1 /*
2  * Copyright (c) 2012-2014 NVIDIA CORPORATION.  All rights reserved.
3  *
4  * This program is free software; you can redistribute it and/or modify it
5  * under the terms and conditions of the GNU General Public License,
6  * version 2, as published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope it will be useful, but WITHOUT
9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
11  * more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
15  */
16 
17 #include <linux/io.h>
18 #include <linux/clk.h>
19 #include <linux/clk-provider.h>
20 #include <linux/clkdev.h>
21 #include <linux/of.h>
22 #include <linux/of_address.h>
23 #include <linux/delay.h>
24 #include <linux/export.h>
25 #include <linux/mutex.h>
26 #include <linux/clk/tegra.h>
27 #include <dt-bindings/clock/tegra210-car.h>
28 #include <dt-bindings/reset/tegra210-car.h>
29 #include <linux/iopoll.h>
30 #include <soc/tegra/pmc.h>
31 
32 #include "clk.h"
33 #include "clk-id.h"
34 
35 /*
36  * TEGRA210_CAR_BANK_COUNT: the number of peripheral clock register
37  * banks present in the Tegra210 CAR IP block.  The banks are
38  * identified by single letters, e.g.: L, H, U, V, W, X, Y.  See
39  * periph_regs[] in drivers/clk/tegra/clk.c
40  */
41 #define TEGRA210_CAR_BANK_COUNT			7
42 
43 #define CLK_SOURCE_CSITE 0x1d4
44 #define CLK_SOURCE_EMC 0x19c
45 #define CLK_SOURCE_SOR1 0x410
46 #define CLK_SOURCE_LA 0x1f8
47 #define CLK_SOURCE_SDMMC2 0x154
48 #define CLK_SOURCE_SDMMC4 0x164
49 
50 #define PLLC_BASE 0x80
51 #define PLLC_OUT 0x84
52 #define PLLC_MISC0 0x88
53 #define PLLC_MISC1 0x8c
54 #define PLLC_MISC2 0x5d0
55 #define PLLC_MISC3 0x5d4
56 
57 #define PLLC2_BASE 0x4e8
58 #define PLLC2_MISC0 0x4ec
59 #define PLLC2_MISC1 0x4f0
60 #define PLLC2_MISC2 0x4f4
61 #define PLLC2_MISC3 0x4f8
62 
63 #define PLLC3_BASE 0x4fc
64 #define PLLC3_MISC0 0x500
65 #define PLLC3_MISC1 0x504
66 #define PLLC3_MISC2 0x508
67 #define PLLC3_MISC3 0x50c
68 
69 #define PLLM_BASE 0x90
70 #define PLLM_MISC1 0x98
71 #define PLLM_MISC2 0x9c
72 #define PLLP_BASE 0xa0
73 #define PLLP_MISC0 0xac
74 #define PLLP_MISC1 0x680
75 #define PLLA_BASE 0xb0
76 #define PLLA_MISC0 0xbc
77 #define PLLA_MISC1 0xb8
78 #define PLLA_MISC2 0x5d8
79 #define PLLD_BASE 0xd0
80 #define PLLD_MISC0 0xdc
81 #define PLLD_MISC1 0xd8
82 #define PLLU_BASE 0xc0
83 #define PLLU_OUTA 0xc4
84 #define PLLU_MISC0 0xcc
85 #define PLLU_MISC1 0xc8
86 #define PLLX_BASE 0xe0
87 #define PLLX_MISC0 0xe4
88 #define PLLX_MISC1 0x510
89 #define PLLX_MISC2 0x514
90 #define PLLX_MISC3 0x518
91 #define PLLX_MISC4 0x5f0
92 #define PLLX_MISC5 0x5f4
93 #define PLLE_BASE 0xe8
94 #define PLLE_MISC0 0xec
95 #define PLLD2_BASE 0x4b8
96 #define PLLD2_MISC0 0x4bc
97 #define PLLD2_MISC1 0x570
98 #define PLLD2_MISC2 0x574
99 #define PLLD2_MISC3 0x578
100 #define PLLE_AUX 0x48c
101 #define PLLRE_BASE 0x4c4
102 #define PLLRE_MISC0 0x4c8
103 #define PLLRE_OUT1 0x4cc
104 #define PLLDP_BASE 0x590
105 #define PLLDP_MISC 0x594
106 
107 #define PLLC4_BASE 0x5a4
108 #define PLLC4_MISC0 0x5a8
109 #define PLLC4_OUT 0x5e4
110 #define PLLMB_BASE 0x5e8
111 #define PLLMB_MISC1 0x5ec
112 #define PLLA1_BASE 0x6a4
113 #define PLLA1_MISC0 0x6a8
114 #define PLLA1_MISC1 0x6ac
115 #define PLLA1_MISC2 0x6b0
116 #define PLLA1_MISC3 0x6b4
117 
118 #define PLLU_IDDQ_BIT 31
119 #define PLLCX_IDDQ_BIT 27
120 #define PLLRE_IDDQ_BIT 24
121 #define PLLA_IDDQ_BIT 25
122 #define PLLD_IDDQ_BIT 20
123 #define PLLSS_IDDQ_BIT 18
124 #define PLLM_IDDQ_BIT 5
125 #define PLLMB_IDDQ_BIT 17
126 #define PLLXP_IDDQ_BIT 3
127 
128 #define PLLCX_RESET_BIT 30
129 
130 #define PLL_BASE_LOCK BIT(27)
131 #define PLLCX_BASE_LOCK BIT(26)
132 #define PLLE_MISC_LOCK BIT(11)
133 #define PLLRE_MISC_LOCK BIT(27)
134 
135 #define PLL_MISC_LOCK_ENABLE 18
136 #define PLLC_MISC_LOCK_ENABLE 24
137 #define PLLDU_MISC_LOCK_ENABLE 22
138 #define PLLU_MISC_LOCK_ENABLE 29
139 #define PLLE_MISC_LOCK_ENABLE 9
140 #define PLLRE_MISC_LOCK_ENABLE 30
141 #define PLLSS_MISC_LOCK_ENABLE 30
142 #define PLLP_MISC_LOCK_ENABLE 18
143 #define PLLM_MISC_LOCK_ENABLE 4
144 #define PLLMB_MISC_LOCK_ENABLE 16
145 #define PLLA_MISC_LOCK_ENABLE 28
146 #define PLLU_MISC_LOCK_ENABLE 29
147 #define PLLD_MISC_LOCK_ENABLE 18
148 
149 #define PLLA_SDM_DIN_MASK 0xffff
150 #define PLLA_SDM_EN_MASK BIT(26)
151 
152 #define PLLD_SDM_EN_MASK BIT(16)
153 
154 #define PLLD2_SDM_EN_MASK BIT(31)
155 #define PLLD2_SSC_EN_MASK 0
156 
157 #define PLLDP_SS_CFG	0x598
158 #define PLLDP_SDM_EN_MASK BIT(31)
159 #define PLLDP_SSC_EN_MASK BIT(30)
160 #define PLLDP_SS_CTRL1	0x59c
161 #define PLLDP_SS_CTRL2	0x5a0
162 
163 #define PMC_PLLM_WB0_OVERRIDE 0x1dc
164 #define PMC_PLLM_WB0_OVERRIDE_2 0x2b0
165 
166 #define UTMIP_PLL_CFG2 0x488
167 #define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xfff) << 6)
168 #define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18)
169 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0)
170 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP BIT(1)
171 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2)
172 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP BIT(3)
173 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4)
174 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERUP BIT(5)
175 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN BIT(24)
176 #define UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP BIT(25)
177 
178 #define UTMIP_PLL_CFG1 0x484
179 #define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27)
180 #define UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
181 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERUP BIT(17)
182 #define UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN BIT(16)
183 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP BIT(15)
184 #define UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN BIT(14)
185 #define UTMIP_PLL_CFG1_FORCE_PLL_ACTIVE_POWERDOWN BIT(12)
186 
187 #define SATA_PLL_CFG0				0x490
188 #define SATA_PLL_CFG0_PADPLL_RESET_SWCTL	BIT(0)
189 #define SATA_PLL_CFG0_PADPLL_USE_LOCKDET	BIT(2)
190 #define SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL		BIT(4)
191 #define SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE	BIT(5)
192 #define SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE	BIT(6)
193 #define SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE	BIT(7)
194 
195 #define SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ		BIT(13)
196 #define SATA_PLL_CFG0_SEQ_ENABLE		BIT(24)
197 
198 #define XUSBIO_PLL_CFG0				0x51c
199 #define XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL	BIT(0)
200 #define XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL	BIT(2)
201 #define XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET	BIT(6)
202 #define XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ	BIT(13)
203 #define XUSBIO_PLL_CFG0_SEQ_ENABLE		BIT(24)
204 
205 #define UTMIPLL_HW_PWRDN_CFG0			0x52c
206 #define UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK	BIT(31)
207 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_START_STATE	BIT(25)
208 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE	BIT(24)
209 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE	BIT(7)
210 #define UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET	BIT(6)
211 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_RESET_INPUT_VALUE	BIT(5)
212 #define UTMIPLL_HW_PWRDN_CFG0_SEQ_IN_SWCTL	BIT(4)
213 #define UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL	BIT(2)
214 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE	BIT(1)
215 #define UTMIPLL_HW_PWRDN_CFG0_IDDQ_SWCTL	BIT(0)
216 
217 #define PLLU_HW_PWRDN_CFG0			0x530
218 #define PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE	BIT(28)
219 #define PLLU_HW_PWRDN_CFG0_SEQ_ENABLE		BIT(24)
220 #define PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT	BIT(7)
221 #define PLLU_HW_PWRDN_CFG0_USE_LOCKDET		BIT(6)
222 #define PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL	BIT(2)
223 #define PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL	BIT(0)
224 
225 #define XUSB_PLL_CFG0				0x534
226 #define XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY		0x3ff
227 #define XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK	(0x3ff << 14)
228 
229 #define SPARE_REG0 0x55c
230 #define CLK_M_DIVISOR_SHIFT 2
231 #define CLK_M_DIVISOR_MASK 0x3
232 
233 #define RST_DFLL_DVCO 0x2f4
234 #define DVFS_DFLL_RESET_SHIFT 0
235 
236 #define CLK_RST_CONTROLLER_RST_DEV_Y_SET 0x2a8
237 #define CLK_RST_CONTROLLER_RST_DEV_Y_CLR 0x2ac
238 
239 #define LVL2_CLK_GATE_OVRA 0xf8
240 #define LVL2_CLK_GATE_OVRC 0x3a0
241 #define LVL2_CLK_GATE_OVRD 0x3a4
242 #define LVL2_CLK_GATE_OVRE 0x554
243 
244 /* I2S registers to handle during APE MBIST WAR */
245 #define TEGRA210_I2S_BASE  0x1000
246 #define TEGRA210_I2S_SIZE  0x100
247 #define TEGRA210_I2S_CTRLS 5
248 #define TEGRA210_I2S_CG    0x88
249 #define TEGRA210_I2S_CTRL  0xa0
250 
251 /* DISPA registers to handle during MBIST WAR */
252 #define DC_CMD_DISPLAY_COMMAND 0xc8
253 #define DC_COM_DSC_TOP_CTL 0xcf8
254 
255 /* VIC register to handle during MBIST WAR */
256 #define NV_PVIC_THI_SLCG_OVERRIDE_LOW 0x8c
257 
258 /* APE, DISPA and VIC base addesses needed for MBIST WAR */
259 #define TEGRA210_AHUB_BASE  0x702d0000
260 #define TEGRA210_DISPA_BASE 0x54200000
261 #define TEGRA210_VIC_BASE  0x54340000
262 
263 /*
264  * SDM fractional divisor is 16-bit 2's complement signed number within
265  * (-2^12 ... 2^12-1) range. Represented in PLL data structure as unsigned
266  * 16-bit value, with "0" divisor mapped to 0xFFFF. Data "0" is used to
267  * indicate that SDM is disabled.
268  *
269  * Effective ndiv value when SDM is enabled: ndiv + 1/2 + sdm_din/2^13
270  */
271 #define PLL_SDM_COEFF BIT(13)
272 #define sdin_din_to_data(din)	((u16)((din) ? : 0xFFFFU))
273 #define sdin_data_to_din(dat)	(((dat) == 0xFFFFU) ? 0 : (s16)dat)
274 /* This macro returns ndiv effective scaled to SDM range */
275 #define sdin_get_n_eff(cfg)	((cfg)->n * PLL_SDM_COEFF + ((cfg)->sdm_data ? \
276 		(PLL_SDM_COEFF/2 + sdin_data_to_din((cfg)->sdm_data)) : 0))
277 
278 /* Tegra CPU clock and reset control regs */
279 #define CLK_RST_CONTROLLER_CPU_CMPLX_STATUS	0x470
280 
281 #ifdef CONFIG_PM_SLEEP
282 static struct cpu_clk_suspend_context {
283 	u32 clk_csite_src;
284 } tegra210_cpu_clk_sctx;
285 #endif
286 
287 struct tegra210_domain_mbist_war {
288 	void (*handle_lvl2_ovr)(struct tegra210_domain_mbist_war *mbist);
289 	const u32 lvl2_offset;
290 	const u32 lvl2_mask;
291 	const unsigned int num_clks;
292 	const unsigned int *clk_init_data;
293 	struct clk_bulk_data *clks;
294 };
295 
296 static struct clk **clks;
297 
298 static void __iomem *clk_base;
299 static void __iomem *pmc_base;
300 static void __iomem *ahub_base;
301 static void __iomem *dispa_base;
302 static void __iomem *vic_base;
303 
304 static unsigned long osc_freq;
305 static unsigned long pll_ref_freq;
306 
307 static DEFINE_SPINLOCK(pll_d_lock);
308 static DEFINE_SPINLOCK(pll_e_lock);
309 static DEFINE_SPINLOCK(pll_re_lock);
310 static DEFINE_SPINLOCK(pll_u_lock);
311 static DEFINE_SPINLOCK(sor1_lock);
312 static DEFINE_SPINLOCK(emc_lock);
313 static DEFINE_MUTEX(lvl2_ovr_lock);
314 
315 /* possible OSC frequencies in Hz */
316 static unsigned long tegra210_input_freq[] = {
317 	[5] = 38400000,
318 	[8] = 12000000,
319 };
320 
321 static const char *mux_pllmcp_clkm[] = {
322 	"pll_m", "pll_c", "pll_p", "clk_m", "pll_m_ud", "pll_mb", "pll_mb",
323 	"pll_p",
324 };
325 #define mux_pllmcp_clkm_idx NULL
326 
327 #define PLL_ENABLE			(1 << 30)
328 
329 #define PLLCX_MISC1_IDDQ		(1 << 27)
330 #define PLLCX_MISC0_RESET		(1 << 30)
331 
332 #define PLLCX_MISC0_DEFAULT_VALUE	0x40080000
333 #define PLLCX_MISC0_WRITE_MASK		0x400ffffb
334 #define PLLCX_MISC1_DEFAULT_VALUE	0x08000000
335 #define PLLCX_MISC1_WRITE_MASK		0x08003cff
336 #define PLLCX_MISC2_DEFAULT_VALUE	0x1f720f05
337 #define PLLCX_MISC2_WRITE_MASK		0xffffff17
338 #define PLLCX_MISC3_DEFAULT_VALUE	0x000000c4
339 #define PLLCX_MISC3_WRITE_MASK		0x00ffffff
340 
341 /* PLLA */
342 #define PLLA_BASE_IDDQ			(1 << 25)
343 #define PLLA_BASE_LOCK			(1 << 27)
344 
345 #define PLLA_MISC0_LOCK_ENABLE		(1 << 28)
346 #define PLLA_MISC0_LOCK_OVERRIDE	(1 << 27)
347 
348 #define PLLA_MISC2_EN_SDM		(1 << 26)
349 #define PLLA_MISC2_EN_DYNRAMP		(1 << 25)
350 
351 #define PLLA_MISC0_DEFAULT_VALUE	0x12000020
352 #define PLLA_MISC0_WRITE_MASK		0x7fffffff
353 #define PLLA_MISC2_DEFAULT_VALUE	0x0
354 #define PLLA_MISC2_WRITE_MASK		0x06ffffff
355 
356 /* PLLD */
357 #define PLLD_BASE_CSI_CLKSOURCE		(1 << 23)
358 
359 #define PLLD_MISC0_EN_SDM		(1 << 16)
360 #define PLLD_MISC0_LOCK_OVERRIDE	(1 << 17)
361 #define PLLD_MISC0_LOCK_ENABLE		(1 << 18)
362 #define PLLD_MISC0_IDDQ			(1 << 20)
363 #define PLLD_MISC0_DSI_CLKENABLE	(1 << 21)
364 
365 #define PLLD_MISC0_DEFAULT_VALUE	0x00140000
366 #define PLLD_MISC0_WRITE_MASK		0x3ff7ffff
367 #define PLLD_MISC1_DEFAULT_VALUE	0x20
368 #define PLLD_MISC1_WRITE_MASK		0x00ffffff
369 
370 /* PLLD2 and PLLDP  and PLLC4 */
371 #define PLLDSS_BASE_LOCK		(1 << 27)
372 #define PLLDSS_BASE_LOCK_OVERRIDE	(1 << 24)
373 #define PLLDSS_BASE_IDDQ		(1 << 18)
374 #define PLLDSS_BASE_REF_SEL_SHIFT	25
375 #define PLLDSS_BASE_REF_SEL_MASK	(0x3 << PLLDSS_BASE_REF_SEL_SHIFT)
376 
377 #define PLLDSS_MISC0_LOCK_ENABLE	(1 << 30)
378 
379 #define PLLDSS_MISC1_CFG_EN_SDM		(1 << 31)
380 #define PLLDSS_MISC1_CFG_EN_SSC		(1 << 30)
381 
382 #define PLLD2_MISC0_DEFAULT_VALUE	0x40000020
383 #define PLLD2_MISC1_CFG_DEFAULT_VALUE	0x10000000
384 #define PLLD2_MISC2_CTRL1_DEFAULT_VALUE	0x0
385 #define PLLD2_MISC3_CTRL2_DEFAULT_VALUE	0x0
386 
387 #define PLLDP_MISC0_DEFAULT_VALUE	0x40000020
388 #define PLLDP_MISC1_CFG_DEFAULT_VALUE	0xc0000000
389 #define PLLDP_MISC2_CTRL1_DEFAULT_VALUE	0xf400f0da
390 #define PLLDP_MISC3_CTRL2_DEFAULT_VALUE	0x2004f400
391 
392 #define PLLDSS_MISC0_WRITE_MASK		0x47ffffff
393 #define PLLDSS_MISC1_CFG_WRITE_MASK	0xf8000000
394 #define PLLDSS_MISC2_CTRL1_WRITE_MASK	0xffffffff
395 #define PLLDSS_MISC3_CTRL2_WRITE_MASK	0xffffffff
396 
397 #define PLLC4_MISC0_DEFAULT_VALUE	0x40000000
398 
399 /* PLLRE */
400 #define PLLRE_MISC0_LOCK_ENABLE		(1 << 30)
401 #define PLLRE_MISC0_LOCK_OVERRIDE	(1 << 29)
402 #define PLLRE_MISC0_LOCK		(1 << 27)
403 #define PLLRE_MISC0_IDDQ		(1 << 24)
404 
405 #define PLLRE_BASE_DEFAULT_VALUE	0x0
406 #define PLLRE_MISC0_DEFAULT_VALUE	0x41000000
407 
408 #define PLLRE_BASE_DEFAULT_MASK		0x1c000000
409 #define PLLRE_MISC0_WRITE_MASK		0x67ffffff
410 
411 /* PLLX */
412 #define PLLX_USE_DYN_RAMP		1
413 #define PLLX_BASE_LOCK			(1 << 27)
414 
415 #define PLLX_MISC0_FO_G_DISABLE		(0x1 << 28)
416 #define PLLX_MISC0_LOCK_ENABLE		(0x1 << 18)
417 
418 #define PLLX_MISC2_DYNRAMP_STEPB_SHIFT	24
419 #define PLLX_MISC2_DYNRAMP_STEPB_MASK	(0xFF << PLLX_MISC2_DYNRAMP_STEPB_SHIFT)
420 #define PLLX_MISC2_DYNRAMP_STEPA_SHIFT	16
421 #define PLLX_MISC2_DYNRAMP_STEPA_MASK	(0xFF << PLLX_MISC2_DYNRAMP_STEPA_SHIFT)
422 #define PLLX_MISC2_NDIV_NEW_SHIFT	8
423 #define PLLX_MISC2_NDIV_NEW_MASK	(0xFF << PLLX_MISC2_NDIV_NEW_SHIFT)
424 #define PLLX_MISC2_LOCK_OVERRIDE	(0x1 << 4)
425 #define PLLX_MISC2_DYNRAMP_DONE		(0x1 << 2)
426 #define PLLX_MISC2_EN_DYNRAMP		(0x1 << 0)
427 
428 #define PLLX_MISC3_IDDQ			(0x1 << 3)
429 
430 #define PLLX_MISC0_DEFAULT_VALUE	PLLX_MISC0_LOCK_ENABLE
431 #define PLLX_MISC0_WRITE_MASK		0x10c40000
432 #define PLLX_MISC1_DEFAULT_VALUE	0x20
433 #define PLLX_MISC1_WRITE_MASK		0x00ffffff
434 #define PLLX_MISC2_DEFAULT_VALUE	0x0
435 #define PLLX_MISC2_WRITE_MASK		0xffffff11
436 #define PLLX_MISC3_DEFAULT_VALUE	PLLX_MISC3_IDDQ
437 #define PLLX_MISC3_WRITE_MASK		0x01ff0f0f
438 #define PLLX_MISC4_DEFAULT_VALUE	0x0
439 #define PLLX_MISC4_WRITE_MASK		0x8000ffff
440 #define PLLX_MISC5_DEFAULT_VALUE	0x0
441 #define PLLX_MISC5_WRITE_MASK		0x0000ffff
442 
443 #define PLLX_HW_CTRL_CFG		0x548
444 #define PLLX_HW_CTRL_CFG_SWCTRL		(0x1 << 0)
445 
446 /* PLLMB */
447 #define PLLMB_BASE_LOCK			(1 << 27)
448 
449 #define PLLMB_MISC1_LOCK_OVERRIDE	(1 << 18)
450 #define PLLMB_MISC1_IDDQ		(1 << 17)
451 #define PLLMB_MISC1_LOCK_ENABLE		(1 << 16)
452 
453 #define PLLMB_MISC1_DEFAULT_VALUE	0x00030000
454 #define PLLMB_MISC1_WRITE_MASK		0x0007ffff
455 
456 /* PLLP */
457 #define PLLP_BASE_OVERRIDE		(1 << 28)
458 #define PLLP_BASE_LOCK			(1 << 27)
459 
460 #define PLLP_MISC0_LOCK_ENABLE		(1 << 18)
461 #define PLLP_MISC0_LOCK_OVERRIDE	(1 << 17)
462 #define PLLP_MISC0_IDDQ			(1 << 3)
463 
464 #define PLLP_MISC1_HSIO_EN_SHIFT	29
465 #define PLLP_MISC1_HSIO_EN		(1 << PLLP_MISC1_HSIO_EN_SHIFT)
466 #define PLLP_MISC1_XUSB_EN_SHIFT	28
467 #define PLLP_MISC1_XUSB_EN		(1 << PLLP_MISC1_XUSB_EN_SHIFT)
468 
469 #define PLLP_MISC0_DEFAULT_VALUE	0x00040008
470 #define PLLP_MISC1_DEFAULT_VALUE	0x0
471 
472 #define PLLP_MISC0_WRITE_MASK		0xdc6000f
473 #define PLLP_MISC1_WRITE_MASK		0x70ffffff
474 
475 /* PLLU */
476 #define PLLU_BASE_LOCK			(1 << 27)
477 #define PLLU_BASE_OVERRIDE		(1 << 24)
478 #define PLLU_BASE_CLKENABLE_USB		(1 << 21)
479 #define PLLU_BASE_CLKENABLE_HSIC	(1 << 22)
480 #define PLLU_BASE_CLKENABLE_ICUSB	(1 << 23)
481 #define PLLU_BASE_CLKENABLE_48M		(1 << 25)
482 #define PLLU_BASE_CLKENABLE_ALL		(PLLU_BASE_CLKENABLE_USB |\
483 					 PLLU_BASE_CLKENABLE_HSIC |\
484 					 PLLU_BASE_CLKENABLE_ICUSB |\
485 					 PLLU_BASE_CLKENABLE_48M)
486 
487 #define PLLU_MISC0_IDDQ			(1 << 31)
488 #define PLLU_MISC0_LOCK_ENABLE		(1 << 29)
489 #define PLLU_MISC1_LOCK_OVERRIDE	(1 << 0)
490 
491 #define PLLU_MISC0_DEFAULT_VALUE	0xa0000000
492 #define PLLU_MISC1_DEFAULT_VALUE	0x0
493 
494 #define PLLU_MISC0_WRITE_MASK		0xbfffffff
495 #define PLLU_MISC1_WRITE_MASK		0x00000007
496 
tegra210_xusb_pll_hw_control_enable(void)497 void tegra210_xusb_pll_hw_control_enable(void)
498 {
499 	u32 val;
500 
501 	val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0);
502 	val &= ~(XUSBIO_PLL_CFG0_CLK_ENABLE_SWCTL |
503 		 XUSBIO_PLL_CFG0_PADPLL_RESET_SWCTL);
504 	val |= XUSBIO_PLL_CFG0_PADPLL_USE_LOCKDET |
505 	       XUSBIO_PLL_CFG0_PADPLL_SLEEP_IDDQ;
506 	writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0);
507 }
508 EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_control_enable);
509 
tegra210_xusb_pll_hw_sequence_start(void)510 void tegra210_xusb_pll_hw_sequence_start(void)
511 {
512 	u32 val;
513 
514 	val = readl_relaxed(clk_base + XUSBIO_PLL_CFG0);
515 	val |= XUSBIO_PLL_CFG0_SEQ_ENABLE;
516 	writel_relaxed(val, clk_base + XUSBIO_PLL_CFG0);
517 }
518 EXPORT_SYMBOL_GPL(tegra210_xusb_pll_hw_sequence_start);
519 
tegra210_sata_pll_hw_control_enable(void)520 void tegra210_sata_pll_hw_control_enable(void)
521 {
522 	u32 val;
523 
524 	val = readl_relaxed(clk_base + SATA_PLL_CFG0);
525 	val &= ~SATA_PLL_CFG0_PADPLL_RESET_SWCTL;
526 	val |= SATA_PLL_CFG0_PADPLL_USE_LOCKDET |
527 	       SATA_PLL_CFG0_PADPLL_SLEEP_IDDQ;
528 	writel_relaxed(val, clk_base + SATA_PLL_CFG0);
529 }
530 EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_control_enable);
531 
tegra210_sata_pll_hw_sequence_start(void)532 void tegra210_sata_pll_hw_sequence_start(void)
533 {
534 	u32 val;
535 
536 	val = readl_relaxed(clk_base + SATA_PLL_CFG0);
537 	val |= SATA_PLL_CFG0_SEQ_ENABLE;
538 	writel_relaxed(val, clk_base + SATA_PLL_CFG0);
539 }
540 EXPORT_SYMBOL_GPL(tegra210_sata_pll_hw_sequence_start);
541 
tegra210_set_sata_pll_seq_sw(bool state)542 void tegra210_set_sata_pll_seq_sw(bool state)
543 {
544 	u32 val;
545 
546 	val = readl_relaxed(clk_base + SATA_PLL_CFG0);
547 	if (state) {
548 		val |= SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL;
549 		val |= SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE;
550 		val |= SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE;
551 		val |= SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE;
552 	} else {
553 		val &= ~SATA_PLL_CFG0_SATA_SEQ_IN_SWCTL;
554 		val &= ~SATA_PLL_CFG0_SATA_SEQ_RESET_INPUT_VALUE;
555 		val &= ~SATA_PLL_CFG0_SATA_SEQ_LANE_PD_INPUT_VALUE;
556 		val &= ~SATA_PLL_CFG0_SATA_SEQ_PADPLL_PD_INPUT_VALUE;
557 	}
558 	writel_relaxed(val, clk_base + SATA_PLL_CFG0);
559 }
560 EXPORT_SYMBOL_GPL(tegra210_set_sata_pll_seq_sw);
561 
tegra210_generic_mbist_war(struct tegra210_domain_mbist_war * mbist)562 static void tegra210_generic_mbist_war(struct tegra210_domain_mbist_war *mbist)
563 {
564 	u32 val;
565 
566 	val = readl_relaxed(clk_base + mbist->lvl2_offset);
567 	writel_relaxed(val | mbist->lvl2_mask, clk_base + mbist->lvl2_offset);
568 	fence_udelay(1, clk_base);
569 	writel_relaxed(val, clk_base + mbist->lvl2_offset);
570 	fence_udelay(1, clk_base);
571 }
572 
tegra210_venc_mbist_war(struct tegra210_domain_mbist_war * mbist)573 static void tegra210_venc_mbist_war(struct tegra210_domain_mbist_war *mbist)
574 {
575 	u32 csi_src, ovra, ovre;
576 	unsigned long flags = 0;
577 
578 	spin_lock_irqsave(&pll_d_lock, flags);
579 
580 	csi_src = readl_relaxed(clk_base + PLLD_BASE);
581 	writel_relaxed(csi_src | PLLD_BASE_CSI_CLKSOURCE, clk_base + PLLD_BASE);
582 	fence_udelay(1, clk_base);
583 
584 	ovra = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRA);
585 	writel_relaxed(ovra | BIT(15), clk_base + LVL2_CLK_GATE_OVRA);
586 	ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE);
587 	writel_relaxed(ovre | BIT(3), clk_base + LVL2_CLK_GATE_OVRE);
588 	fence_udelay(1, clk_base);
589 
590 	writel_relaxed(ovra, clk_base + LVL2_CLK_GATE_OVRA);
591 	writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE);
592 	writel_relaxed(csi_src, clk_base + PLLD_BASE);
593 	fence_udelay(1, clk_base);
594 
595 	spin_unlock_irqrestore(&pll_d_lock, flags);
596 }
597 
tegra210_disp_mbist_war(struct tegra210_domain_mbist_war * mbist)598 static void tegra210_disp_mbist_war(struct tegra210_domain_mbist_war *mbist)
599 {
600 	u32 ovra, dsc_top_ctrl;
601 
602 	ovra = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRA);
603 	writel_relaxed(ovra | BIT(1), clk_base + LVL2_CLK_GATE_OVRA);
604 	fence_udelay(1, clk_base);
605 
606 	dsc_top_ctrl = readl_relaxed(dispa_base + DC_COM_DSC_TOP_CTL);
607 	writel_relaxed(dsc_top_ctrl | BIT(2), dispa_base + DC_COM_DSC_TOP_CTL);
608 	readl_relaxed(dispa_base + DC_CMD_DISPLAY_COMMAND);
609 	writel_relaxed(dsc_top_ctrl, dispa_base + DC_COM_DSC_TOP_CTL);
610 	readl_relaxed(dispa_base + DC_CMD_DISPLAY_COMMAND);
611 
612 	writel_relaxed(ovra, clk_base + LVL2_CLK_GATE_OVRA);
613 	fence_udelay(1, clk_base);
614 }
615 
tegra210_vic_mbist_war(struct tegra210_domain_mbist_war * mbist)616 static void tegra210_vic_mbist_war(struct tegra210_domain_mbist_war *mbist)
617 {
618 	u32 ovre, val;
619 
620 	ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE);
621 	writel_relaxed(ovre | BIT(5), clk_base + LVL2_CLK_GATE_OVRE);
622 	fence_udelay(1, clk_base);
623 
624 	val = readl_relaxed(vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW);
625 	writel_relaxed(val | BIT(0) | GENMASK(7, 2) | BIT(24),
626 			vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW);
627 	fence_udelay(1, vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW);
628 
629 	writel_relaxed(val, vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW);
630 	readl(vic_base + NV_PVIC_THI_SLCG_OVERRIDE_LOW);
631 
632 	writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE);
633 	fence_udelay(1, clk_base);
634 }
635 
tegra210_ape_mbist_war(struct tegra210_domain_mbist_war * mbist)636 static void tegra210_ape_mbist_war(struct tegra210_domain_mbist_war *mbist)
637 {
638 	void __iomem *i2s_base;
639 	unsigned int i;
640 	u32 ovrc, ovre;
641 
642 	ovrc = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRC);
643 	ovre = readl_relaxed(clk_base + LVL2_CLK_GATE_OVRE);
644 	writel_relaxed(ovrc | BIT(1), clk_base + LVL2_CLK_GATE_OVRC);
645 	writel_relaxed(ovre | BIT(10) | BIT(11),
646 			clk_base + LVL2_CLK_GATE_OVRE);
647 	fence_udelay(1, clk_base);
648 
649 	i2s_base = ahub_base + TEGRA210_I2S_BASE;
650 
651 	for (i = 0; i < TEGRA210_I2S_CTRLS; i++) {
652 		u32 i2s_ctrl;
653 
654 		i2s_ctrl = readl_relaxed(i2s_base + TEGRA210_I2S_CTRL);
655 		writel_relaxed(i2s_ctrl | BIT(10),
656 				i2s_base + TEGRA210_I2S_CTRL);
657 		writel_relaxed(0, i2s_base + TEGRA210_I2S_CG);
658 		readl(i2s_base + TEGRA210_I2S_CG);
659 		writel_relaxed(1, i2s_base + TEGRA210_I2S_CG);
660 		writel_relaxed(i2s_ctrl, i2s_base + TEGRA210_I2S_CTRL);
661 		readl(i2s_base + TEGRA210_I2S_CTRL);
662 
663 		i2s_base += TEGRA210_I2S_SIZE;
664 	}
665 
666 	writel_relaxed(ovrc, clk_base + LVL2_CLK_GATE_OVRC);
667 	writel_relaxed(ovre, clk_base + LVL2_CLK_GATE_OVRE);
668 	fence_udelay(1, clk_base);
669 }
670 
_pll_misc_chk_default(void __iomem * base,struct tegra_clk_pll_params * params,u8 misc_num,u32 default_val,u32 mask)671 static inline void _pll_misc_chk_default(void __iomem *base,
672 					struct tegra_clk_pll_params *params,
673 					u8 misc_num, u32 default_val, u32 mask)
674 {
675 	u32 boot_val = readl_relaxed(base + params->ext_misc_reg[misc_num]);
676 
677 	boot_val &= mask;
678 	default_val &= mask;
679 	if (boot_val != default_val) {
680 		pr_warn("boot misc%d 0x%x: expected 0x%x\n",
681 			misc_num, boot_val, default_val);
682 		pr_warn(" (comparison mask = 0x%x)\n", mask);
683 		params->defaults_set = false;
684 	}
685 }
686 
687 /*
688  * PLLCX: PLLC, PLLC2, PLLC3, PLLA1
689  * Hybrid PLLs with dynamic ramp. Dynamic ramp is allowed for any transition
690  * that changes NDIV only, while PLL is already locked.
691  */
pllcx_check_defaults(struct tegra_clk_pll_params * params)692 static void pllcx_check_defaults(struct tegra_clk_pll_params *params)
693 {
694 	u32 default_val;
695 
696 	default_val = PLLCX_MISC0_DEFAULT_VALUE & (~PLLCX_MISC0_RESET);
697 	_pll_misc_chk_default(clk_base, params, 0, default_val,
698 			PLLCX_MISC0_WRITE_MASK);
699 
700 	default_val = PLLCX_MISC1_DEFAULT_VALUE & (~PLLCX_MISC1_IDDQ);
701 	_pll_misc_chk_default(clk_base, params, 1, default_val,
702 			PLLCX_MISC1_WRITE_MASK);
703 
704 	default_val = PLLCX_MISC2_DEFAULT_VALUE;
705 	_pll_misc_chk_default(clk_base, params, 2, default_val,
706 			PLLCX_MISC2_WRITE_MASK);
707 
708 	default_val = PLLCX_MISC3_DEFAULT_VALUE;
709 	_pll_misc_chk_default(clk_base, params, 3, default_val,
710 			PLLCX_MISC3_WRITE_MASK);
711 }
712 
tegra210_pllcx_set_defaults(const char * name,struct tegra_clk_pll * pllcx)713 static void tegra210_pllcx_set_defaults(const char *name,
714 					struct tegra_clk_pll *pllcx)
715 {
716 	pllcx->params->defaults_set = true;
717 
718 	if (readl_relaxed(clk_base + pllcx->params->base_reg) & PLL_ENABLE) {
719 		/* PLL is ON: only check if defaults already set */
720 		pllcx_check_defaults(pllcx->params);
721 		if (!pllcx->params->defaults_set)
722 			pr_warn("%s already enabled. Postponing set full defaults\n",
723 				name);
724 		return;
725 	}
726 
727 	/* Defaults assert PLL reset, and set IDDQ */
728 	writel_relaxed(PLLCX_MISC0_DEFAULT_VALUE,
729 			clk_base + pllcx->params->ext_misc_reg[0]);
730 	writel_relaxed(PLLCX_MISC1_DEFAULT_VALUE,
731 			clk_base + pllcx->params->ext_misc_reg[1]);
732 	writel_relaxed(PLLCX_MISC2_DEFAULT_VALUE,
733 			clk_base + pllcx->params->ext_misc_reg[2]);
734 	writel_relaxed(PLLCX_MISC3_DEFAULT_VALUE,
735 			clk_base + pllcx->params->ext_misc_reg[3]);
736 	udelay(1);
737 }
738 
_pllc_set_defaults(struct tegra_clk_pll * pllcx)739 static void _pllc_set_defaults(struct tegra_clk_pll *pllcx)
740 {
741 	tegra210_pllcx_set_defaults("PLL_C", pllcx);
742 }
743 
_pllc2_set_defaults(struct tegra_clk_pll * pllcx)744 static void _pllc2_set_defaults(struct tegra_clk_pll *pllcx)
745 {
746 	tegra210_pllcx_set_defaults("PLL_C2", pllcx);
747 }
748 
_pllc3_set_defaults(struct tegra_clk_pll * pllcx)749 static void _pllc3_set_defaults(struct tegra_clk_pll *pllcx)
750 {
751 	tegra210_pllcx_set_defaults("PLL_C3", pllcx);
752 }
753 
_plla1_set_defaults(struct tegra_clk_pll * pllcx)754 static void _plla1_set_defaults(struct tegra_clk_pll *pllcx)
755 {
756 	tegra210_pllcx_set_defaults("PLL_A1", pllcx);
757 }
758 
759 /*
760  * PLLA
761  * PLL with dynamic ramp and fractional SDM. Dynamic ramp is not used.
762  * Fractional SDM is allowed to provide exact audio rates.
763  */
tegra210_plla_set_defaults(struct tegra_clk_pll * plla)764 static void tegra210_plla_set_defaults(struct tegra_clk_pll *plla)
765 {
766 	u32 mask;
767 	u32 val = readl_relaxed(clk_base + plla->params->base_reg);
768 
769 	plla->params->defaults_set = true;
770 
771 	if (val & PLL_ENABLE) {
772 		/*
773 		 * PLL is ON: check if defaults already set, then set those
774 		 * that can be updated in flight.
775 		 */
776 		if (val & PLLA_BASE_IDDQ) {
777 			pr_warn("PLL_A boot enabled with IDDQ set\n");
778 			plla->params->defaults_set = false;
779 		}
780 
781 		pr_warn("PLL_A already enabled. Postponing set full defaults\n");
782 
783 		val = PLLA_MISC0_DEFAULT_VALUE;	/* ignore lock enable */
784 		mask = PLLA_MISC0_LOCK_ENABLE | PLLA_MISC0_LOCK_OVERRIDE;
785 		_pll_misc_chk_default(clk_base, plla->params, 0, val,
786 				~mask & PLLA_MISC0_WRITE_MASK);
787 
788 		val = PLLA_MISC2_DEFAULT_VALUE; /* ignore all but control bit */
789 		_pll_misc_chk_default(clk_base, plla->params, 2, val,
790 				PLLA_MISC2_EN_DYNRAMP);
791 
792 		/* Enable lock detect */
793 		val = readl_relaxed(clk_base + plla->params->ext_misc_reg[0]);
794 		val &= ~mask;
795 		val |= PLLA_MISC0_DEFAULT_VALUE & mask;
796 		writel_relaxed(val, clk_base + plla->params->ext_misc_reg[0]);
797 		udelay(1);
798 
799 		return;
800 	}
801 
802 	/* set IDDQ, enable lock detect, disable dynamic ramp and SDM */
803 	val |= PLLA_BASE_IDDQ;
804 	writel_relaxed(val, clk_base + plla->params->base_reg);
805 	writel_relaxed(PLLA_MISC0_DEFAULT_VALUE,
806 			clk_base + plla->params->ext_misc_reg[0]);
807 	writel_relaxed(PLLA_MISC2_DEFAULT_VALUE,
808 			clk_base + plla->params->ext_misc_reg[2]);
809 	udelay(1);
810 }
811 
812 /*
813  * PLLD
814  * PLL with fractional SDM.
815  */
tegra210_plld_set_defaults(struct tegra_clk_pll * plld)816 static void tegra210_plld_set_defaults(struct tegra_clk_pll *plld)
817 {
818 	u32 val;
819 	u32 mask = 0xffff;
820 
821 	plld->params->defaults_set = true;
822 
823 	if (readl_relaxed(clk_base + plld->params->base_reg) &
824 			PLL_ENABLE) {
825 
826 		/*
827 		 * PLL is ON: check if defaults already set, then set those
828 		 * that can be updated in flight.
829 		 */
830 		val = PLLD_MISC1_DEFAULT_VALUE;
831 		_pll_misc_chk_default(clk_base, plld->params, 1,
832 				val, PLLD_MISC1_WRITE_MASK);
833 
834 		/* ignore lock, DSI and SDM controls, make sure IDDQ not set */
835 		val = PLLD_MISC0_DEFAULT_VALUE & (~PLLD_MISC0_IDDQ);
836 		mask |= PLLD_MISC0_DSI_CLKENABLE | PLLD_MISC0_LOCK_ENABLE |
837 			PLLD_MISC0_LOCK_OVERRIDE | PLLD_MISC0_EN_SDM;
838 		_pll_misc_chk_default(clk_base, plld->params, 0, val,
839 				~mask & PLLD_MISC0_WRITE_MASK);
840 
841 		if (!plld->params->defaults_set)
842 			pr_warn("PLL_D already enabled. Postponing set full defaults\n");
843 
844 		/* Enable lock detect */
845 		mask = PLLD_MISC0_LOCK_ENABLE | PLLD_MISC0_LOCK_OVERRIDE;
846 		val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]);
847 		val &= ~mask;
848 		val |= PLLD_MISC0_DEFAULT_VALUE & mask;
849 		writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]);
850 		udelay(1);
851 
852 		return;
853 	}
854 
855 	val = readl_relaxed(clk_base + plld->params->ext_misc_reg[0]);
856 	val &= PLLD_MISC0_DSI_CLKENABLE;
857 	val |= PLLD_MISC0_DEFAULT_VALUE;
858 	/* set IDDQ, enable lock detect, disable SDM */
859 	writel_relaxed(val, clk_base + plld->params->ext_misc_reg[0]);
860 	writel_relaxed(PLLD_MISC1_DEFAULT_VALUE, clk_base +
861 			plld->params->ext_misc_reg[1]);
862 	udelay(1);
863 }
864 
865 /*
866  * PLLD2, PLLDP
867  * PLL with fractional SDM and Spread Spectrum (SDM is a must if SSC is used).
868  */
plldss_defaults(const char * pll_name,struct tegra_clk_pll * plldss,u32 misc0_val,u32 misc1_val,u32 misc2_val,u32 misc3_val)869 static void plldss_defaults(const char *pll_name, struct tegra_clk_pll *plldss,
870 		u32 misc0_val, u32 misc1_val, u32 misc2_val, u32 misc3_val)
871 {
872 	u32 default_val;
873 	u32 val = readl_relaxed(clk_base + plldss->params->base_reg);
874 
875 	plldss->params->defaults_set = true;
876 
877 	if (val & PLL_ENABLE) {
878 
879 		/*
880 		 * PLL is ON: check if defaults already set, then set those
881 		 * that can be updated in flight.
882 		 */
883 		if (val & PLLDSS_BASE_IDDQ) {
884 			pr_warn("plldss boot enabled with IDDQ set\n");
885 			plldss->params->defaults_set = false;
886 		}
887 
888 		/* ignore lock enable */
889 		default_val = misc0_val;
890 		_pll_misc_chk_default(clk_base, plldss->params, 0, default_val,
891 				     PLLDSS_MISC0_WRITE_MASK &
892 				     (~PLLDSS_MISC0_LOCK_ENABLE));
893 
894 		/*
895 		 * If SSC is used, check all settings, otherwise just confirm
896 		 * that SSC is not used on boot as well. Do nothing when using
897 		 * this function for PLLC4 that has only MISC0.
898 		 */
899 		if (plldss->params->ssc_ctrl_en_mask) {
900 			default_val = misc1_val;
901 			_pll_misc_chk_default(clk_base, plldss->params, 1,
902 				default_val, PLLDSS_MISC1_CFG_WRITE_MASK);
903 			default_val = misc2_val;
904 			_pll_misc_chk_default(clk_base, plldss->params, 2,
905 				default_val, PLLDSS_MISC2_CTRL1_WRITE_MASK);
906 			default_val = misc3_val;
907 			_pll_misc_chk_default(clk_base, plldss->params, 3,
908 				default_val, PLLDSS_MISC3_CTRL2_WRITE_MASK);
909 		} else if (plldss->params->ext_misc_reg[1]) {
910 			default_val = misc1_val;
911 			_pll_misc_chk_default(clk_base, plldss->params, 1,
912 				default_val, PLLDSS_MISC1_CFG_WRITE_MASK &
913 				(~PLLDSS_MISC1_CFG_EN_SDM));
914 		}
915 
916 		if (!plldss->params->defaults_set)
917 			pr_warn("%s already enabled. Postponing set full defaults\n",
918 				 pll_name);
919 
920 		/* Enable lock detect */
921 		if (val & PLLDSS_BASE_LOCK_OVERRIDE) {
922 			val &= ~PLLDSS_BASE_LOCK_OVERRIDE;
923 			writel_relaxed(val, clk_base +
924 					plldss->params->base_reg);
925 		}
926 
927 		val = readl_relaxed(clk_base + plldss->params->ext_misc_reg[0]);
928 		val &= ~PLLDSS_MISC0_LOCK_ENABLE;
929 		val |= misc0_val & PLLDSS_MISC0_LOCK_ENABLE;
930 		writel_relaxed(val, clk_base + plldss->params->ext_misc_reg[0]);
931 		udelay(1);
932 
933 		return;
934 	}
935 
936 	/* set IDDQ, enable lock detect, configure SDM/SSC  */
937 	val |= PLLDSS_BASE_IDDQ;
938 	val &= ~PLLDSS_BASE_LOCK_OVERRIDE;
939 	writel_relaxed(val, clk_base + plldss->params->base_reg);
940 
941 	/* When using this function for PLLC4 exit here */
942 	if (!plldss->params->ext_misc_reg[1]) {
943 		writel_relaxed(misc0_val, clk_base +
944 				plldss->params->ext_misc_reg[0]);
945 		udelay(1);
946 		return;
947 	}
948 
949 	writel_relaxed(misc0_val, clk_base +
950 			plldss->params->ext_misc_reg[0]);
951 	/* if SSC used set by 1st enable */
952 	writel_relaxed(misc1_val & (~PLLDSS_MISC1_CFG_EN_SSC),
953 			clk_base + plldss->params->ext_misc_reg[1]);
954 	writel_relaxed(misc2_val, clk_base + plldss->params->ext_misc_reg[2]);
955 	writel_relaxed(misc3_val, clk_base + plldss->params->ext_misc_reg[3]);
956 	udelay(1);
957 }
958 
tegra210_plld2_set_defaults(struct tegra_clk_pll * plld2)959 static void tegra210_plld2_set_defaults(struct tegra_clk_pll *plld2)
960 {
961 	plldss_defaults("PLL_D2", plld2, PLLD2_MISC0_DEFAULT_VALUE,
962 			PLLD2_MISC1_CFG_DEFAULT_VALUE,
963 			PLLD2_MISC2_CTRL1_DEFAULT_VALUE,
964 			PLLD2_MISC3_CTRL2_DEFAULT_VALUE);
965 }
966 
tegra210_plldp_set_defaults(struct tegra_clk_pll * plldp)967 static void tegra210_plldp_set_defaults(struct tegra_clk_pll *plldp)
968 {
969 	plldss_defaults("PLL_DP", plldp, PLLDP_MISC0_DEFAULT_VALUE,
970 			PLLDP_MISC1_CFG_DEFAULT_VALUE,
971 			PLLDP_MISC2_CTRL1_DEFAULT_VALUE,
972 			PLLDP_MISC3_CTRL2_DEFAULT_VALUE);
973 }
974 
975 /*
976  * PLLC4
977  * Base and misc0 layout is the same as PLLD2/PLLDP, but no SDM/SSC support.
978  * VCO is exposed to the clock tree via fixed 1/3 and 1/5 dividers.
979  */
tegra210_pllc4_set_defaults(struct tegra_clk_pll * pllc4)980 static void tegra210_pllc4_set_defaults(struct tegra_clk_pll *pllc4)
981 {
982 	plldss_defaults("PLL_C4", pllc4, PLLC4_MISC0_DEFAULT_VALUE, 0, 0, 0);
983 }
984 
985 /*
986  * PLLRE
987  * VCO is exposed to the clock tree directly along with post-divider output
988  */
tegra210_pllre_set_defaults(struct tegra_clk_pll * pllre)989 static void tegra210_pllre_set_defaults(struct tegra_clk_pll *pllre)
990 {
991 	u32 mask;
992 	u32 val = readl_relaxed(clk_base + pllre->params->base_reg);
993 
994 	pllre->params->defaults_set = true;
995 
996 	if (val & PLL_ENABLE) {
997 		pr_warn("PLL_RE already enabled. Postponing set full defaults\n");
998 
999 		/*
1000 		 * PLL is ON: check if defaults already set, then set those
1001 		 * that can be updated in flight.
1002 		 */
1003 		val &= PLLRE_BASE_DEFAULT_MASK;
1004 		if (val != PLLRE_BASE_DEFAULT_VALUE) {
1005 			pr_warn("pllre boot base 0x%x : expected 0x%x\n",
1006 				val, PLLRE_BASE_DEFAULT_VALUE);
1007 			pr_warn("(comparison mask = 0x%x)\n",
1008 				PLLRE_BASE_DEFAULT_MASK);
1009 			pllre->params->defaults_set = false;
1010 		}
1011 
1012 		/* Ignore lock enable */
1013 		val = PLLRE_MISC0_DEFAULT_VALUE & (~PLLRE_MISC0_IDDQ);
1014 		mask = PLLRE_MISC0_LOCK_ENABLE | PLLRE_MISC0_LOCK_OVERRIDE;
1015 		_pll_misc_chk_default(clk_base, pllre->params, 0, val,
1016 				~mask & PLLRE_MISC0_WRITE_MASK);
1017 
1018 		/* Enable lock detect */
1019 		val = readl_relaxed(clk_base + pllre->params->ext_misc_reg[0]);
1020 		val &= ~mask;
1021 		val |= PLLRE_MISC0_DEFAULT_VALUE & mask;
1022 		writel_relaxed(val, clk_base + pllre->params->ext_misc_reg[0]);
1023 		udelay(1);
1024 
1025 		return;
1026 	}
1027 
1028 	/* set IDDQ, enable lock detect */
1029 	val &= ~PLLRE_BASE_DEFAULT_MASK;
1030 	val |= PLLRE_BASE_DEFAULT_VALUE & PLLRE_BASE_DEFAULT_MASK;
1031 	writel_relaxed(val, clk_base + pllre->params->base_reg);
1032 	writel_relaxed(PLLRE_MISC0_DEFAULT_VALUE,
1033 			clk_base + pllre->params->ext_misc_reg[0]);
1034 	udelay(1);
1035 }
1036 
pllx_get_dyn_steps(struct clk_hw * hw,u32 * step_a,u32 * step_b)1037 static void pllx_get_dyn_steps(struct clk_hw *hw, u32 *step_a, u32 *step_b)
1038 {
1039 	unsigned long input_rate;
1040 
1041 	/* cf rate */
1042 	if (!IS_ERR_OR_NULL(hw->clk))
1043 		input_rate = clk_hw_get_rate(clk_hw_get_parent(hw));
1044 	else
1045 		input_rate = 38400000;
1046 
1047 	input_rate /= tegra_pll_get_fixed_mdiv(hw, input_rate);
1048 
1049 	switch (input_rate) {
1050 	case 12000000:
1051 	case 12800000:
1052 	case 13000000:
1053 		*step_a = 0x2B;
1054 		*step_b = 0x0B;
1055 		return;
1056 	case 19200000:
1057 		*step_a = 0x12;
1058 		*step_b = 0x08;
1059 		return;
1060 	case 38400000:
1061 		*step_a = 0x04;
1062 		*step_b = 0x05;
1063 		return;
1064 	default:
1065 		pr_err("%s: Unexpected reference rate %lu\n",
1066 			__func__, input_rate);
1067 		BUG();
1068 	}
1069 }
1070 
pllx_check_defaults(struct tegra_clk_pll * pll)1071 static void pllx_check_defaults(struct tegra_clk_pll *pll)
1072 {
1073 	u32 default_val;
1074 
1075 	default_val = PLLX_MISC0_DEFAULT_VALUE;
1076 	/* ignore lock enable */
1077 	_pll_misc_chk_default(clk_base, pll->params, 0, default_val,
1078 			PLLX_MISC0_WRITE_MASK & (~PLLX_MISC0_LOCK_ENABLE));
1079 
1080 	default_val = PLLX_MISC1_DEFAULT_VALUE;
1081 	_pll_misc_chk_default(clk_base, pll->params, 1, default_val,
1082 			PLLX_MISC1_WRITE_MASK);
1083 
1084 	/* ignore all but control bit */
1085 	default_val = PLLX_MISC2_DEFAULT_VALUE;
1086 	_pll_misc_chk_default(clk_base, pll->params, 2,
1087 			default_val, PLLX_MISC2_EN_DYNRAMP);
1088 
1089 	default_val = PLLX_MISC3_DEFAULT_VALUE & (~PLLX_MISC3_IDDQ);
1090 	_pll_misc_chk_default(clk_base, pll->params, 3, default_val,
1091 			PLLX_MISC3_WRITE_MASK);
1092 
1093 	default_val = PLLX_MISC4_DEFAULT_VALUE;
1094 	_pll_misc_chk_default(clk_base, pll->params, 4, default_val,
1095 			PLLX_MISC4_WRITE_MASK);
1096 
1097 	default_val = PLLX_MISC5_DEFAULT_VALUE;
1098 	_pll_misc_chk_default(clk_base, pll->params, 5, default_val,
1099 			PLLX_MISC5_WRITE_MASK);
1100 }
1101 
tegra210_pllx_set_defaults(struct tegra_clk_pll * pllx)1102 static void tegra210_pllx_set_defaults(struct tegra_clk_pll *pllx)
1103 {
1104 	u32 val;
1105 	u32 step_a, step_b;
1106 
1107 	pllx->params->defaults_set = true;
1108 
1109 	/* Get ready dyn ramp state machine settings */
1110 	pllx_get_dyn_steps(&pllx->hw, &step_a, &step_b);
1111 	val = PLLX_MISC2_DEFAULT_VALUE & (~PLLX_MISC2_DYNRAMP_STEPA_MASK) &
1112 		(~PLLX_MISC2_DYNRAMP_STEPB_MASK);
1113 	val |= step_a << PLLX_MISC2_DYNRAMP_STEPA_SHIFT;
1114 	val |= step_b << PLLX_MISC2_DYNRAMP_STEPB_SHIFT;
1115 
1116 	if (readl_relaxed(clk_base + pllx->params->base_reg) & PLL_ENABLE) {
1117 
1118 		/*
1119 		 * PLL is ON: check if defaults already set, then set those
1120 		 * that can be updated in flight.
1121 		 */
1122 		pllx_check_defaults(pllx);
1123 
1124 		if (!pllx->params->defaults_set)
1125 			pr_warn("PLL_X already enabled. Postponing set full defaults\n");
1126 		/* Configure dyn ramp, disable lock override */
1127 		writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1128 
1129 		/* Enable lock detect */
1130 		val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[0]);
1131 		val &= ~PLLX_MISC0_LOCK_ENABLE;
1132 		val |= PLLX_MISC0_DEFAULT_VALUE & PLLX_MISC0_LOCK_ENABLE;
1133 		writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[0]);
1134 		udelay(1);
1135 
1136 		return;
1137 	}
1138 
1139 	/* Enable lock detect and CPU output */
1140 	writel_relaxed(PLLX_MISC0_DEFAULT_VALUE, clk_base +
1141 			pllx->params->ext_misc_reg[0]);
1142 
1143 	/* Setup */
1144 	writel_relaxed(PLLX_MISC1_DEFAULT_VALUE, clk_base +
1145 			pllx->params->ext_misc_reg[1]);
1146 
1147 	/* Configure dyn ramp state machine, disable lock override */
1148 	writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1149 
1150 	/* Set IDDQ */
1151 	writel_relaxed(PLLX_MISC3_DEFAULT_VALUE, clk_base +
1152 			pllx->params->ext_misc_reg[3]);
1153 
1154 	/* Disable SDM */
1155 	writel_relaxed(PLLX_MISC4_DEFAULT_VALUE, clk_base +
1156 			pllx->params->ext_misc_reg[4]);
1157 	writel_relaxed(PLLX_MISC5_DEFAULT_VALUE, clk_base +
1158 			pllx->params->ext_misc_reg[5]);
1159 	udelay(1);
1160 }
1161 
1162 /* PLLMB */
tegra210_pllmb_set_defaults(struct tegra_clk_pll * pllmb)1163 static void tegra210_pllmb_set_defaults(struct tegra_clk_pll *pllmb)
1164 {
1165 	u32 mask, val = readl_relaxed(clk_base + pllmb->params->base_reg);
1166 
1167 	pllmb->params->defaults_set = true;
1168 
1169 	if (val & PLL_ENABLE) {
1170 
1171 		/*
1172 		 * PLL is ON: check if defaults already set, then set those
1173 		 * that can be updated in flight.
1174 		 */
1175 		val = PLLMB_MISC1_DEFAULT_VALUE & (~PLLMB_MISC1_IDDQ);
1176 		mask = PLLMB_MISC1_LOCK_ENABLE | PLLMB_MISC1_LOCK_OVERRIDE;
1177 		_pll_misc_chk_default(clk_base, pllmb->params, 0, val,
1178 				~mask & PLLMB_MISC1_WRITE_MASK);
1179 
1180 		if (!pllmb->params->defaults_set)
1181 			pr_warn("PLL_MB already enabled. Postponing set full defaults\n");
1182 		/* Enable lock detect */
1183 		val = readl_relaxed(clk_base + pllmb->params->ext_misc_reg[0]);
1184 		val &= ~mask;
1185 		val |= PLLMB_MISC1_DEFAULT_VALUE & mask;
1186 		writel_relaxed(val, clk_base + pllmb->params->ext_misc_reg[0]);
1187 		udelay(1);
1188 
1189 		return;
1190 	}
1191 
1192 	/* set IDDQ, enable lock detect */
1193 	writel_relaxed(PLLMB_MISC1_DEFAULT_VALUE,
1194 			clk_base + pllmb->params->ext_misc_reg[0]);
1195 	udelay(1);
1196 }
1197 
1198 /*
1199  * PLLP
1200  * VCO is exposed to the clock tree directly along with post-divider output.
1201  * Both VCO and post-divider output rates are fixed at 408MHz and 204MHz,
1202  * respectively.
1203  */
pllp_check_defaults(struct tegra_clk_pll * pll,bool enabled)1204 static void pllp_check_defaults(struct tegra_clk_pll *pll, bool enabled)
1205 {
1206 	u32 val, mask;
1207 
1208 	/* Ignore lock enable (will be set), make sure not in IDDQ if enabled */
1209 	val = PLLP_MISC0_DEFAULT_VALUE & (~PLLP_MISC0_IDDQ);
1210 	mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE;
1211 	if (!enabled)
1212 		mask |= PLLP_MISC0_IDDQ;
1213 	_pll_misc_chk_default(clk_base, pll->params, 0, val,
1214 			~mask & PLLP_MISC0_WRITE_MASK);
1215 
1216 	/* Ignore branch controls */
1217 	val = PLLP_MISC1_DEFAULT_VALUE;
1218 	mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN;
1219 	_pll_misc_chk_default(clk_base, pll->params, 1, val,
1220 			~mask & PLLP_MISC1_WRITE_MASK);
1221 }
1222 
tegra210_pllp_set_defaults(struct tegra_clk_pll * pllp)1223 static void tegra210_pllp_set_defaults(struct tegra_clk_pll *pllp)
1224 {
1225 	u32 mask;
1226 	u32 val = readl_relaxed(clk_base + pllp->params->base_reg);
1227 
1228 	pllp->params->defaults_set = true;
1229 
1230 	if (val & PLL_ENABLE) {
1231 
1232 		/*
1233 		 * PLL is ON: check if defaults already set, then set those
1234 		 * that can be updated in flight.
1235 		 */
1236 		pllp_check_defaults(pllp, true);
1237 		if (!pllp->params->defaults_set)
1238 			pr_warn("PLL_P already enabled. Postponing set full defaults\n");
1239 
1240 		/* Enable lock detect */
1241 		val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[0]);
1242 		mask = PLLP_MISC0_LOCK_ENABLE | PLLP_MISC0_LOCK_OVERRIDE;
1243 		val &= ~mask;
1244 		val |= PLLP_MISC0_DEFAULT_VALUE & mask;
1245 		writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[0]);
1246 		udelay(1);
1247 
1248 		return;
1249 	}
1250 
1251 	/* set IDDQ, enable lock detect */
1252 	writel_relaxed(PLLP_MISC0_DEFAULT_VALUE,
1253 			clk_base + pllp->params->ext_misc_reg[0]);
1254 
1255 	/* Preserve branch control */
1256 	val = readl_relaxed(clk_base + pllp->params->ext_misc_reg[1]);
1257 	mask = PLLP_MISC1_HSIO_EN | PLLP_MISC1_XUSB_EN;
1258 	val &= mask;
1259 	val |= ~mask & PLLP_MISC1_DEFAULT_VALUE;
1260 	writel_relaxed(val, clk_base + pllp->params->ext_misc_reg[1]);
1261 	udelay(1);
1262 }
1263 
1264 /*
1265  * PLLU
1266  * VCO is exposed to the clock tree directly along with post-divider output.
1267  * Both VCO and post-divider output rates are fixed at 480MHz and 240MHz,
1268  * respectively.
1269  */
pllu_check_defaults(struct tegra_clk_pll_params * params,bool hw_control)1270 static void pllu_check_defaults(struct tegra_clk_pll_params *params,
1271 				bool hw_control)
1272 {
1273 	u32 val, mask;
1274 
1275 	/* Ignore lock enable (will be set) and IDDQ if under h/w control */
1276 	val = PLLU_MISC0_DEFAULT_VALUE & (~PLLU_MISC0_IDDQ);
1277 	mask = PLLU_MISC0_LOCK_ENABLE | (hw_control ? PLLU_MISC0_IDDQ : 0);
1278 	_pll_misc_chk_default(clk_base, params, 0, val,
1279 			~mask & PLLU_MISC0_WRITE_MASK);
1280 
1281 	val = PLLU_MISC1_DEFAULT_VALUE;
1282 	mask = PLLU_MISC1_LOCK_OVERRIDE;
1283 	_pll_misc_chk_default(clk_base, params, 1, val,
1284 			~mask & PLLU_MISC1_WRITE_MASK);
1285 }
1286 
tegra210_pllu_set_defaults(struct tegra_clk_pll_params * pllu)1287 static void tegra210_pllu_set_defaults(struct tegra_clk_pll_params *pllu)
1288 {
1289 	u32 val = readl_relaxed(clk_base + pllu->base_reg);
1290 
1291 	pllu->defaults_set = true;
1292 
1293 	if (val & PLL_ENABLE) {
1294 
1295 		/*
1296 		 * PLL is ON: check if defaults already set, then set those
1297 		 * that can be updated in flight.
1298 		 */
1299 		pllu_check_defaults(pllu, false);
1300 		if (!pllu->defaults_set)
1301 			pr_warn("PLL_U already enabled. Postponing set full defaults\n");
1302 
1303 		/* Enable lock detect */
1304 		val = readl_relaxed(clk_base + pllu->ext_misc_reg[0]);
1305 		val &= ~PLLU_MISC0_LOCK_ENABLE;
1306 		val |= PLLU_MISC0_DEFAULT_VALUE & PLLU_MISC0_LOCK_ENABLE;
1307 		writel_relaxed(val, clk_base + pllu->ext_misc_reg[0]);
1308 
1309 		val = readl_relaxed(clk_base + pllu->ext_misc_reg[1]);
1310 		val &= ~PLLU_MISC1_LOCK_OVERRIDE;
1311 		val |= PLLU_MISC1_DEFAULT_VALUE & PLLU_MISC1_LOCK_OVERRIDE;
1312 		writel_relaxed(val, clk_base + pllu->ext_misc_reg[1]);
1313 		udelay(1);
1314 
1315 		return;
1316 	}
1317 
1318 	/* set IDDQ, enable lock detect */
1319 	writel_relaxed(PLLU_MISC0_DEFAULT_VALUE,
1320 			clk_base + pllu->ext_misc_reg[0]);
1321 	writel_relaxed(PLLU_MISC1_DEFAULT_VALUE,
1322 			clk_base + pllu->ext_misc_reg[1]);
1323 	udelay(1);
1324 }
1325 
1326 #define mask(w) ((1 << (w)) - 1)
1327 #define divm_mask(p) mask(p->params->div_nmp->divm_width)
1328 #define divn_mask(p) mask(p->params->div_nmp->divn_width)
1329 #define divp_mask(p) (p->params->flags & TEGRA_PLLU ? PLLU_POST_DIVP_MASK :\
1330 		      mask(p->params->div_nmp->divp_width))
1331 
1332 #define divm_shift(p) ((p)->params->div_nmp->divm_shift)
1333 #define divn_shift(p) ((p)->params->div_nmp->divn_shift)
1334 #define divp_shift(p) ((p)->params->div_nmp->divp_shift)
1335 
1336 #define divm_mask_shifted(p) (divm_mask(p) << divm_shift(p))
1337 #define divn_mask_shifted(p) (divn_mask(p) << divn_shift(p))
1338 #define divp_mask_shifted(p) (divp_mask(p) << divp_shift(p))
1339 
1340 #define PLL_LOCKDET_DELAY 2	/* Lock detection safety delays */
tegra210_wait_for_mask(struct tegra_clk_pll * pll,u32 reg,u32 mask)1341 static int tegra210_wait_for_mask(struct tegra_clk_pll *pll,
1342 				  u32 reg, u32 mask)
1343 {
1344 	int i;
1345 	u32 val = 0;
1346 
1347 	for (i = 0; i < pll->params->lock_delay / PLL_LOCKDET_DELAY + 1; i++) {
1348 		udelay(PLL_LOCKDET_DELAY);
1349 		val = readl_relaxed(clk_base + reg);
1350 		if ((val & mask) == mask) {
1351 			udelay(PLL_LOCKDET_DELAY);
1352 			return 0;
1353 		}
1354 	}
1355 	return -ETIMEDOUT;
1356 }
1357 
tegra210_pllx_dyn_ramp(struct tegra_clk_pll * pllx,struct tegra_clk_pll_freq_table * cfg)1358 static int tegra210_pllx_dyn_ramp(struct tegra_clk_pll *pllx,
1359 		struct tegra_clk_pll_freq_table *cfg)
1360 {
1361 	u32 val, base, ndiv_new_mask;
1362 
1363 	ndiv_new_mask = (divn_mask(pllx) >> pllx->params->div_nmp->divn_shift)
1364 			 << PLLX_MISC2_NDIV_NEW_SHIFT;
1365 
1366 	val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]);
1367 	val &= (~ndiv_new_mask);
1368 	val |= cfg->n << PLLX_MISC2_NDIV_NEW_SHIFT;
1369 	writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1370 	udelay(1);
1371 
1372 	val = readl_relaxed(clk_base + pllx->params->ext_misc_reg[2]);
1373 	val |= PLLX_MISC2_EN_DYNRAMP;
1374 	writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1375 	udelay(1);
1376 
1377 	tegra210_wait_for_mask(pllx, pllx->params->ext_misc_reg[2],
1378 			       PLLX_MISC2_DYNRAMP_DONE);
1379 
1380 	base = readl_relaxed(clk_base + pllx->params->base_reg) &
1381 		(~divn_mask_shifted(pllx));
1382 	base |= cfg->n << pllx->params->div_nmp->divn_shift;
1383 	writel_relaxed(base, clk_base + pllx->params->base_reg);
1384 	udelay(1);
1385 
1386 	val &= ~PLLX_MISC2_EN_DYNRAMP;
1387 	writel_relaxed(val, clk_base + pllx->params->ext_misc_reg[2]);
1388 	udelay(1);
1389 
1390 	pr_debug("%s: dynamic ramp to m = %u n = %u p = %u, Fout = %lu kHz\n",
1391 		 __clk_get_name(pllx->hw.clk), cfg->m, cfg->n, cfg->p,
1392 		 cfg->input_rate / cfg->m * cfg->n /
1393 		 pllx->params->pdiv_tohw[cfg->p].pdiv / 1000);
1394 
1395 	return 0;
1396 }
1397 
1398 /*
1399  * Common configuration for PLLs with fixed input divider policy:
1400  * - always set fixed M-value based on the reference rate
1401  * - always set P-value value 1:1 for output rates above VCO minimum, and
1402  *   choose minimum necessary P-value for output rates below VCO maximum
1403  * - calculate N-value based on selected M and P
1404  * - calculate SDM_DIN fractional part
1405  */
tegra210_pll_fixed_mdiv_cfg(struct clk_hw * hw,struct tegra_clk_pll_freq_table * cfg,unsigned long rate,unsigned long input_rate)1406 static int tegra210_pll_fixed_mdiv_cfg(struct clk_hw *hw,
1407 			       struct tegra_clk_pll_freq_table *cfg,
1408 			       unsigned long rate, unsigned long input_rate)
1409 {
1410 	struct tegra_clk_pll *pll = to_clk_pll(hw);
1411 	struct tegra_clk_pll_params *params = pll->params;
1412 	int p;
1413 	unsigned long cf, p_rate;
1414 	u32 pdiv;
1415 
1416 	if (!rate)
1417 		return -EINVAL;
1418 
1419 	if (!(params->flags & TEGRA_PLL_VCO_OUT)) {
1420 		p = DIV_ROUND_UP(params->vco_min, rate);
1421 		p = params->round_p_to_pdiv(p, &pdiv);
1422 	} else {
1423 		p = rate >= params->vco_min ? 1 : -EINVAL;
1424 	}
1425 
1426 	if (p < 0)
1427 		return -EINVAL;
1428 
1429 	cfg->m = tegra_pll_get_fixed_mdiv(hw, input_rate);
1430 	cfg->p = p;
1431 
1432 	/* Store P as HW value, as that is what is expected */
1433 	cfg->p = tegra_pll_p_div_to_hw(pll, cfg->p);
1434 
1435 	p_rate = rate * p;
1436 	if (p_rate > params->vco_max)
1437 		p_rate = params->vco_max;
1438 	cf = input_rate / cfg->m;
1439 	cfg->n = p_rate / cf;
1440 
1441 	cfg->sdm_data = 0;
1442 	cfg->output_rate = input_rate;
1443 	if (params->sdm_ctrl_reg) {
1444 		unsigned long rem = p_rate - cf * cfg->n;
1445 		/* If ssc is enabled SDM enabled as well, even for integer n */
1446 		if (rem || params->ssc_ctrl_reg) {
1447 			u64 s = rem * PLL_SDM_COEFF;
1448 
1449 			do_div(s, cf);
1450 			s -= PLL_SDM_COEFF / 2;
1451 			cfg->sdm_data = sdin_din_to_data(s);
1452 		}
1453 		cfg->output_rate *= sdin_get_n_eff(cfg);
1454 		cfg->output_rate /= p * cfg->m * PLL_SDM_COEFF;
1455 	} else {
1456 		cfg->output_rate *= cfg->n;
1457 		cfg->output_rate /= p * cfg->m;
1458 	}
1459 
1460 	cfg->input_rate = input_rate;
1461 
1462 	return 0;
1463 }
1464 
1465 /*
1466  * clk_pll_set_gain - set gain to m, n to calculate correct VCO rate
1467  *
1468  * @cfg: struct tegra_clk_pll_freq_table * cfg
1469  *
1470  * For Normal mode:
1471  *     Fvco = Fref * NDIV / MDIV
1472  *
1473  * For fractional mode:
1474  *     Fvco = Fref * (NDIV + 0.5 + SDM_DIN / PLL_SDM_COEFF) / MDIV
1475  */
tegra210_clk_pll_set_gain(struct tegra_clk_pll_freq_table * cfg)1476 static void tegra210_clk_pll_set_gain(struct tegra_clk_pll_freq_table *cfg)
1477 {
1478 	cfg->n = sdin_get_n_eff(cfg);
1479 	cfg->m *= PLL_SDM_COEFF;
1480 }
1481 
1482 static unsigned long
tegra210_clk_adjust_vco_min(struct tegra_clk_pll_params * params,unsigned long parent_rate)1483 tegra210_clk_adjust_vco_min(struct tegra_clk_pll_params *params,
1484 			    unsigned long parent_rate)
1485 {
1486 	unsigned long vco_min = params->vco_min;
1487 
1488 	params->vco_min += DIV_ROUND_UP(parent_rate, PLL_SDM_COEFF);
1489 	vco_min = min(vco_min, params->vco_min);
1490 
1491 	return vco_min;
1492 }
1493 
1494 static struct div_nmp pllx_nmp = {
1495 	.divm_shift = 0,
1496 	.divm_width = 8,
1497 	.divn_shift = 8,
1498 	.divn_width = 8,
1499 	.divp_shift = 20,
1500 	.divp_width = 5,
1501 };
1502 /*
1503  * PLL post divider maps - two types: quasi-linear and exponential
1504  * post divider.
1505  */
1506 #define PLL_QLIN_PDIV_MAX	16
1507 static const struct pdiv_map pll_qlin_pdiv_to_hw[] = {
1508 	{ .pdiv =  1, .hw_val =  0 },
1509 	{ .pdiv =  2, .hw_val =  1 },
1510 	{ .pdiv =  3, .hw_val =  2 },
1511 	{ .pdiv =  4, .hw_val =  3 },
1512 	{ .pdiv =  5, .hw_val =  4 },
1513 	{ .pdiv =  6, .hw_val =  5 },
1514 	{ .pdiv =  8, .hw_val =  6 },
1515 	{ .pdiv =  9, .hw_val =  7 },
1516 	{ .pdiv = 10, .hw_val =  8 },
1517 	{ .pdiv = 12, .hw_val =  9 },
1518 	{ .pdiv = 15, .hw_val = 10 },
1519 	{ .pdiv = 16, .hw_val = 11 },
1520 	{ .pdiv = 18, .hw_val = 12 },
1521 	{ .pdiv = 20, .hw_val = 13 },
1522 	{ .pdiv = 24, .hw_val = 14 },
1523 	{ .pdiv = 30, .hw_val = 15 },
1524 	{ .pdiv = 32, .hw_val = 16 },
1525 };
1526 
pll_qlin_p_to_pdiv(u32 p,u32 * pdiv)1527 static u32 pll_qlin_p_to_pdiv(u32 p, u32 *pdiv)
1528 {
1529 	int i;
1530 
1531 	if (p) {
1532 		for (i = 0; i <= PLL_QLIN_PDIV_MAX; i++) {
1533 			if (p <= pll_qlin_pdiv_to_hw[i].pdiv) {
1534 				if (pdiv)
1535 					*pdiv = i;
1536 				return pll_qlin_pdiv_to_hw[i].pdiv;
1537 			}
1538 		}
1539 	}
1540 
1541 	return -EINVAL;
1542 }
1543 
1544 #define PLL_EXPO_PDIV_MAX	7
1545 static const struct pdiv_map pll_expo_pdiv_to_hw[] = {
1546 	{ .pdiv =   1, .hw_val = 0 },
1547 	{ .pdiv =   2, .hw_val = 1 },
1548 	{ .pdiv =   4, .hw_val = 2 },
1549 	{ .pdiv =   8, .hw_val = 3 },
1550 	{ .pdiv =  16, .hw_val = 4 },
1551 	{ .pdiv =  32, .hw_val = 5 },
1552 	{ .pdiv =  64, .hw_val = 6 },
1553 	{ .pdiv = 128, .hw_val = 7 },
1554 };
1555 
pll_expo_p_to_pdiv(u32 p,u32 * pdiv)1556 static u32 pll_expo_p_to_pdiv(u32 p, u32 *pdiv)
1557 {
1558 	if (p) {
1559 		u32 i = fls(p);
1560 
1561 		if (i == ffs(p))
1562 			i--;
1563 
1564 		if (i <= PLL_EXPO_PDIV_MAX) {
1565 			if (pdiv)
1566 				*pdiv = i;
1567 			return 1 << i;
1568 		}
1569 	}
1570 	return -EINVAL;
1571 }
1572 
1573 static struct tegra_clk_pll_freq_table pll_x_freq_table[] = {
1574 	/* 1 GHz */
1575 	{ 12000000, 1000000000, 166, 1, 2, 0 }, /* actual: 996.0 MHz */
1576 	{ 13000000, 1000000000, 153, 1, 2, 0 }, /* actual: 994.0 MHz */
1577 	{ 38400000, 1000000000, 156, 3, 2, 0 }, /* actual: 998.4 MHz */
1578 	{        0,          0,   0, 0, 0, 0 },
1579 };
1580 
1581 static struct tegra_clk_pll_params pll_x_params = {
1582 	.input_min = 12000000,
1583 	.input_max = 800000000,
1584 	.cf_min = 12000000,
1585 	.cf_max = 38400000,
1586 	.vco_min = 1350000000,
1587 	.vco_max = 3000000000UL,
1588 	.base_reg = PLLX_BASE,
1589 	.misc_reg = PLLX_MISC0,
1590 	.lock_mask = PLL_BASE_LOCK,
1591 	.lock_enable_bit_idx = PLL_MISC_LOCK_ENABLE,
1592 	.lock_delay = 300,
1593 	.ext_misc_reg[0] = PLLX_MISC0,
1594 	.ext_misc_reg[1] = PLLX_MISC1,
1595 	.ext_misc_reg[2] = PLLX_MISC2,
1596 	.ext_misc_reg[3] = PLLX_MISC3,
1597 	.ext_misc_reg[4] = PLLX_MISC4,
1598 	.ext_misc_reg[5] = PLLX_MISC5,
1599 	.iddq_reg = PLLX_MISC3,
1600 	.iddq_bit_idx = PLLXP_IDDQ_BIT,
1601 	.max_p = PLL_QLIN_PDIV_MAX,
1602 	.mdiv_default = 2,
1603 	.dyn_ramp_reg = PLLX_MISC2,
1604 	.stepa_shift = 16,
1605 	.stepb_shift = 24,
1606 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
1607 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
1608 	.div_nmp = &pllx_nmp,
1609 	.freq_table = pll_x_freq_table,
1610 	.flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
1611 	.dyn_ramp = tegra210_pllx_dyn_ramp,
1612 	.set_defaults = tegra210_pllx_set_defaults,
1613 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
1614 };
1615 
1616 static struct div_nmp pllc_nmp = {
1617 	.divm_shift = 0,
1618 	.divm_width = 8,
1619 	.divn_shift = 10,
1620 	.divn_width = 8,
1621 	.divp_shift = 20,
1622 	.divp_width = 5,
1623 };
1624 
1625 static struct tegra_clk_pll_freq_table pll_cx_freq_table[] = {
1626 	{ 12000000, 510000000, 85, 1, 2, 0 },
1627 	{ 13000000, 510000000, 78, 1, 2, 0 }, /* actual: 507.0 MHz */
1628 	{ 38400000, 510000000, 79, 3, 2, 0 }, /* actual: 505.6 MHz */
1629 	{        0,         0,  0, 0, 0, 0 },
1630 };
1631 
1632 static struct tegra_clk_pll_params pll_c_params = {
1633 	.input_min = 12000000,
1634 	.input_max = 700000000,
1635 	.cf_min = 12000000,
1636 	.cf_max = 50000000,
1637 	.vco_min = 600000000,
1638 	.vco_max = 1200000000,
1639 	.base_reg = PLLC_BASE,
1640 	.misc_reg = PLLC_MISC0,
1641 	.lock_mask = PLL_BASE_LOCK,
1642 	.lock_delay = 300,
1643 	.iddq_reg = PLLC_MISC1,
1644 	.iddq_bit_idx = PLLCX_IDDQ_BIT,
1645 	.reset_reg = PLLC_MISC0,
1646 	.reset_bit_idx = PLLCX_RESET_BIT,
1647 	.max_p = PLL_QLIN_PDIV_MAX,
1648 	.ext_misc_reg[0] = PLLC_MISC0,
1649 	.ext_misc_reg[1] = PLLC_MISC1,
1650 	.ext_misc_reg[2] = PLLC_MISC2,
1651 	.ext_misc_reg[3] = PLLC_MISC3,
1652 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
1653 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
1654 	.mdiv_default = 3,
1655 	.div_nmp = &pllc_nmp,
1656 	.freq_table = pll_cx_freq_table,
1657 	.flags = TEGRA_PLL_USE_LOCK,
1658 	.set_defaults = _pllc_set_defaults,
1659 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
1660 };
1661 
1662 static struct div_nmp pllcx_nmp = {
1663 	.divm_shift = 0,
1664 	.divm_width = 8,
1665 	.divn_shift = 10,
1666 	.divn_width = 8,
1667 	.divp_shift = 20,
1668 	.divp_width = 5,
1669 };
1670 
1671 static struct tegra_clk_pll_params pll_c2_params = {
1672 	.input_min = 12000000,
1673 	.input_max = 700000000,
1674 	.cf_min = 12000000,
1675 	.cf_max = 50000000,
1676 	.vco_min = 600000000,
1677 	.vco_max = 1200000000,
1678 	.base_reg = PLLC2_BASE,
1679 	.misc_reg = PLLC2_MISC0,
1680 	.iddq_reg = PLLC2_MISC1,
1681 	.iddq_bit_idx = PLLCX_IDDQ_BIT,
1682 	.reset_reg = PLLC2_MISC0,
1683 	.reset_bit_idx = PLLCX_RESET_BIT,
1684 	.lock_mask = PLLCX_BASE_LOCK,
1685 	.lock_delay = 300,
1686 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
1687 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
1688 	.mdiv_default = 3,
1689 	.div_nmp = &pllcx_nmp,
1690 	.max_p = PLL_QLIN_PDIV_MAX,
1691 	.ext_misc_reg[0] = PLLC2_MISC0,
1692 	.ext_misc_reg[1] = PLLC2_MISC1,
1693 	.ext_misc_reg[2] = PLLC2_MISC2,
1694 	.ext_misc_reg[3] = PLLC2_MISC3,
1695 	.freq_table = pll_cx_freq_table,
1696 	.flags = TEGRA_PLL_USE_LOCK,
1697 	.set_defaults = _pllc2_set_defaults,
1698 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
1699 };
1700 
1701 static struct tegra_clk_pll_params pll_c3_params = {
1702 	.input_min = 12000000,
1703 	.input_max = 700000000,
1704 	.cf_min = 12000000,
1705 	.cf_max = 50000000,
1706 	.vco_min = 600000000,
1707 	.vco_max = 1200000000,
1708 	.base_reg = PLLC3_BASE,
1709 	.misc_reg = PLLC3_MISC0,
1710 	.lock_mask = PLLCX_BASE_LOCK,
1711 	.lock_delay = 300,
1712 	.iddq_reg = PLLC3_MISC1,
1713 	.iddq_bit_idx = PLLCX_IDDQ_BIT,
1714 	.reset_reg = PLLC3_MISC0,
1715 	.reset_bit_idx = PLLCX_RESET_BIT,
1716 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
1717 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
1718 	.mdiv_default = 3,
1719 	.div_nmp = &pllcx_nmp,
1720 	.max_p = PLL_QLIN_PDIV_MAX,
1721 	.ext_misc_reg[0] = PLLC3_MISC0,
1722 	.ext_misc_reg[1] = PLLC3_MISC1,
1723 	.ext_misc_reg[2] = PLLC3_MISC2,
1724 	.ext_misc_reg[3] = PLLC3_MISC3,
1725 	.freq_table = pll_cx_freq_table,
1726 	.flags = TEGRA_PLL_USE_LOCK,
1727 	.set_defaults = _pllc3_set_defaults,
1728 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
1729 };
1730 
1731 static struct div_nmp pllss_nmp = {
1732 	.divm_shift = 0,
1733 	.divm_width = 8,
1734 	.divn_shift = 8,
1735 	.divn_width = 8,
1736 	.divp_shift = 19,
1737 	.divp_width = 5,
1738 };
1739 
1740 static struct tegra_clk_pll_freq_table pll_c4_vco_freq_table[] = {
1741 	{ 12000000, 600000000, 50, 1, 1, 0 },
1742 	{ 13000000, 600000000, 46, 1, 1, 0 }, /* actual: 598.0 MHz */
1743 	{ 38400000, 600000000, 62, 4, 1, 0 }, /* actual: 595.2 MHz */
1744 	{        0,         0,  0, 0, 0, 0 },
1745 };
1746 
1747 static const struct clk_div_table pll_vco_post_div_table[] = {
1748 	{ .val =  0, .div =  1 },
1749 	{ .val =  1, .div =  2 },
1750 	{ .val =  2, .div =  3 },
1751 	{ .val =  3, .div =  4 },
1752 	{ .val =  4, .div =  5 },
1753 	{ .val =  5, .div =  6 },
1754 	{ .val =  6, .div =  8 },
1755 	{ .val =  7, .div = 10 },
1756 	{ .val =  8, .div = 12 },
1757 	{ .val =  9, .div = 16 },
1758 	{ .val = 10, .div = 12 },
1759 	{ .val = 11, .div = 16 },
1760 	{ .val = 12, .div = 20 },
1761 	{ .val = 13, .div = 24 },
1762 	{ .val = 14, .div = 32 },
1763 	{ .val =  0, .div =  0 },
1764 };
1765 
1766 static struct tegra_clk_pll_params pll_c4_vco_params = {
1767 	.input_min = 9600000,
1768 	.input_max = 800000000,
1769 	.cf_min = 9600000,
1770 	.cf_max = 19200000,
1771 	.vco_min = 500000000,
1772 	.vco_max = 1080000000,
1773 	.base_reg = PLLC4_BASE,
1774 	.misc_reg = PLLC4_MISC0,
1775 	.lock_mask = PLL_BASE_LOCK,
1776 	.lock_delay = 300,
1777 	.max_p = PLL_QLIN_PDIV_MAX,
1778 	.ext_misc_reg[0] = PLLC4_MISC0,
1779 	.iddq_reg = PLLC4_BASE,
1780 	.iddq_bit_idx = PLLSS_IDDQ_BIT,
1781 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
1782 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
1783 	.mdiv_default = 3,
1784 	.div_nmp = &pllss_nmp,
1785 	.freq_table = pll_c4_vco_freq_table,
1786 	.set_defaults = tegra210_pllc4_set_defaults,
1787 	.flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
1788 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
1789 };
1790 
1791 static struct tegra_clk_pll_freq_table pll_m_freq_table[] = {
1792 	{ 12000000,  800000000,  66, 1, 1, 0 }, /* actual: 792.0 MHz */
1793 	{ 13000000,  800000000,  61, 1, 1, 0 }, /* actual: 793.0 MHz */
1794 	{ 38400000,  297600000,  93, 4, 3, 0 },
1795 	{ 38400000,  400000000, 125, 4, 3, 0 },
1796 	{ 38400000,  532800000, 111, 4, 2, 0 },
1797 	{ 38400000,  665600000, 104, 3, 2, 0 },
1798 	{ 38400000,  800000000, 125, 3, 2, 0 },
1799 	{ 38400000,  931200000,  97, 4, 1, 0 },
1800 	{ 38400000, 1065600000, 111, 4, 1, 0 },
1801 	{ 38400000, 1200000000, 125, 4, 1, 0 },
1802 	{ 38400000, 1331200000, 104, 3, 1, 0 },
1803 	{ 38400000, 1459200000,  76, 2, 1, 0 },
1804 	{ 38400000, 1600000000, 125, 3, 1, 0 },
1805 	{        0,          0,   0, 0, 0, 0 },
1806 };
1807 
1808 static struct div_nmp pllm_nmp = {
1809 	.divm_shift = 0,
1810 	.divm_width = 8,
1811 	.override_divm_shift = 0,
1812 	.divn_shift = 8,
1813 	.divn_width = 8,
1814 	.override_divn_shift = 8,
1815 	.divp_shift = 20,
1816 	.divp_width = 5,
1817 	.override_divp_shift = 27,
1818 };
1819 
1820 static struct tegra_clk_pll_params pll_m_params = {
1821 	.input_min = 9600000,
1822 	.input_max = 500000000,
1823 	.cf_min = 9600000,
1824 	.cf_max = 19200000,
1825 	.vco_min = 800000000,
1826 	.vco_max = 1866000000,
1827 	.base_reg = PLLM_BASE,
1828 	.misc_reg = PLLM_MISC2,
1829 	.lock_mask = PLL_BASE_LOCK,
1830 	.lock_enable_bit_idx = PLLM_MISC_LOCK_ENABLE,
1831 	.lock_delay = 300,
1832 	.iddq_reg = PLLM_MISC2,
1833 	.iddq_bit_idx = PLLM_IDDQ_BIT,
1834 	.max_p = PLL_QLIN_PDIV_MAX,
1835 	.ext_misc_reg[0] = PLLM_MISC2,
1836 	.ext_misc_reg[1] = PLLM_MISC1,
1837 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
1838 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
1839 	.div_nmp = &pllm_nmp,
1840 	.pmc_divnm_reg = PMC_PLLM_WB0_OVERRIDE,
1841 	.pmc_divp_reg = PMC_PLLM_WB0_OVERRIDE_2,
1842 	.freq_table = pll_m_freq_table,
1843 	.flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_HAS_LOCK_ENABLE,
1844 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
1845 };
1846 
1847 static struct tegra_clk_pll_params pll_mb_params = {
1848 	.input_min = 9600000,
1849 	.input_max = 500000000,
1850 	.cf_min = 9600000,
1851 	.cf_max = 19200000,
1852 	.vco_min = 800000000,
1853 	.vco_max = 1866000000,
1854 	.base_reg = PLLMB_BASE,
1855 	.misc_reg = PLLMB_MISC1,
1856 	.lock_mask = PLL_BASE_LOCK,
1857 	.lock_delay = 300,
1858 	.iddq_reg = PLLMB_MISC1,
1859 	.iddq_bit_idx = PLLMB_IDDQ_BIT,
1860 	.max_p = PLL_QLIN_PDIV_MAX,
1861 	.ext_misc_reg[0] = PLLMB_MISC1,
1862 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
1863 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
1864 	.div_nmp = &pllm_nmp,
1865 	.freq_table = pll_m_freq_table,
1866 	.flags = TEGRA_PLL_USE_LOCK,
1867 	.set_defaults = tegra210_pllmb_set_defaults,
1868 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
1869 };
1870 
1871 
1872 static struct tegra_clk_pll_freq_table pll_e_freq_table[] = {
1873 	/* PLLE special case: use cpcon field to store cml divider value */
1874 	{ 672000000, 100000000, 125, 42, 0, 13 },
1875 	{ 624000000, 100000000, 125, 39, 0, 13 },
1876 	{ 336000000, 100000000, 125, 21, 0, 13 },
1877 	{ 312000000, 100000000, 200, 26, 0, 14 },
1878 	{  38400000, 100000000, 125,  2, 0, 14 },
1879 	{  12000000, 100000000, 200,  1, 0, 14 },
1880 	{         0,         0,   0,  0, 0,  0 },
1881 };
1882 
1883 static struct div_nmp plle_nmp = {
1884 	.divm_shift = 0,
1885 	.divm_width = 8,
1886 	.divn_shift = 8,
1887 	.divn_width = 8,
1888 	.divp_shift = 24,
1889 	.divp_width = 5,
1890 };
1891 
1892 static struct tegra_clk_pll_params pll_e_params = {
1893 	.input_min = 12000000,
1894 	.input_max = 800000000,
1895 	.cf_min = 12000000,
1896 	.cf_max = 38400000,
1897 	.vco_min = 1600000000,
1898 	.vco_max = 2500000000U,
1899 	.base_reg = PLLE_BASE,
1900 	.misc_reg = PLLE_MISC0,
1901 	.aux_reg = PLLE_AUX,
1902 	.lock_mask = PLLE_MISC_LOCK,
1903 	.lock_enable_bit_idx = PLLE_MISC_LOCK_ENABLE,
1904 	.lock_delay = 300,
1905 	.div_nmp = &plle_nmp,
1906 	.freq_table = pll_e_freq_table,
1907 	.flags = TEGRA_PLL_FIXED | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_USE_LOCK |
1908 		 TEGRA_PLL_HAS_LOCK_ENABLE,
1909 	.fixed_rate = 100000000,
1910 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
1911 };
1912 
1913 static struct tegra_clk_pll_freq_table pll_re_vco_freq_table[] = {
1914 	{ 12000000, 672000000, 56, 1, 1, 0 },
1915 	{ 13000000, 672000000, 51, 1, 1, 0 }, /* actual: 663.0 MHz */
1916 	{ 38400000, 672000000, 70, 4, 1, 0 },
1917 	{        0,         0,  0, 0, 0, 0 },
1918 };
1919 
1920 static struct div_nmp pllre_nmp = {
1921 	.divm_shift = 0,
1922 	.divm_width = 8,
1923 	.divn_shift = 8,
1924 	.divn_width = 8,
1925 	.divp_shift = 16,
1926 	.divp_width = 5,
1927 };
1928 
1929 static struct tegra_clk_pll_params pll_re_vco_params = {
1930 	.input_min = 9600000,
1931 	.input_max = 800000000,
1932 	.cf_min = 9600000,
1933 	.cf_max = 19200000,
1934 	.vco_min = 350000000,
1935 	.vco_max = 700000000,
1936 	.base_reg = PLLRE_BASE,
1937 	.misc_reg = PLLRE_MISC0,
1938 	.lock_mask = PLLRE_MISC_LOCK,
1939 	.lock_delay = 300,
1940 	.max_p = PLL_QLIN_PDIV_MAX,
1941 	.ext_misc_reg[0] = PLLRE_MISC0,
1942 	.iddq_reg = PLLRE_MISC0,
1943 	.iddq_bit_idx = PLLRE_IDDQ_BIT,
1944 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
1945 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
1946 	.div_nmp = &pllre_nmp,
1947 	.freq_table = pll_re_vco_freq_table,
1948 	.flags = TEGRA_PLL_USE_LOCK | TEGRA_PLL_LOCK_MISC | TEGRA_PLL_VCO_OUT,
1949 	.set_defaults = tegra210_pllre_set_defaults,
1950 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
1951 };
1952 
1953 static struct div_nmp pllp_nmp = {
1954 	.divm_shift = 0,
1955 	.divm_width = 8,
1956 	.divn_shift = 10,
1957 	.divn_width = 8,
1958 	.divp_shift = 20,
1959 	.divp_width = 5,
1960 };
1961 
1962 static struct tegra_clk_pll_freq_table pll_p_freq_table[] = {
1963 	{ 12000000, 408000000, 34, 1, 1, 0 },
1964 	{ 38400000, 408000000, 85, 8, 1, 0 }, /* cf = 4.8MHz, allowed exception */
1965 	{        0,         0,  0, 0, 0, 0 },
1966 };
1967 
1968 static struct tegra_clk_pll_params pll_p_params = {
1969 	.input_min = 9600000,
1970 	.input_max = 800000000,
1971 	.cf_min = 9600000,
1972 	.cf_max = 19200000,
1973 	.vco_min = 350000000,
1974 	.vco_max = 700000000,
1975 	.base_reg = PLLP_BASE,
1976 	.misc_reg = PLLP_MISC0,
1977 	.lock_mask = PLL_BASE_LOCK,
1978 	.lock_delay = 300,
1979 	.iddq_reg = PLLP_MISC0,
1980 	.iddq_bit_idx = PLLXP_IDDQ_BIT,
1981 	.ext_misc_reg[0] = PLLP_MISC0,
1982 	.ext_misc_reg[1] = PLLP_MISC1,
1983 	.div_nmp = &pllp_nmp,
1984 	.freq_table = pll_p_freq_table,
1985 	.fixed_rate = 408000000,
1986 	.flags = TEGRA_PLL_FIXED | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
1987 	.set_defaults = tegra210_pllp_set_defaults,
1988 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
1989 };
1990 
1991 static struct tegra_clk_pll_params pll_a1_params = {
1992 	.input_min = 12000000,
1993 	.input_max = 700000000,
1994 	.cf_min = 12000000,
1995 	.cf_max = 50000000,
1996 	.vco_min = 600000000,
1997 	.vco_max = 1200000000,
1998 	.base_reg = PLLA1_BASE,
1999 	.misc_reg = PLLA1_MISC0,
2000 	.lock_mask = PLLCX_BASE_LOCK,
2001 	.lock_delay = 300,
2002 	.iddq_reg = PLLA1_MISC1,
2003 	.iddq_bit_idx = PLLCX_IDDQ_BIT,
2004 	.reset_reg = PLLA1_MISC0,
2005 	.reset_bit_idx = PLLCX_RESET_BIT,
2006 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
2007 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
2008 	.div_nmp = &pllc_nmp,
2009 	.ext_misc_reg[0] = PLLA1_MISC0,
2010 	.ext_misc_reg[1] = PLLA1_MISC1,
2011 	.ext_misc_reg[2] = PLLA1_MISC2,
2012 	.ext_misc_reg[3] = PLLA1_MISC3,
2013 	.freq_table = pll_cx_freq_table,
2014 	.flags = TEGRA_PLL_USE_LOCK,
2015 	.set_defaults = _plla1_set_defaults,
2016 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
2017 };
2018 
2019 static struct div_nmp plla_nmp = {
2020 	.divm_shift = 0,
2021 	.divm_width = 8,
2022 	.divn_shift = 8,
2023 	.divn_width = 8,
2024 	.divp_shift = 20,
2025 	.divp_width = 5,
2026 };
2027 
2028 static struct tegra_clk_pll_freq_table pll_a_freq_table[] = {
2029 	{ 12000000, 282240000, 47, 1, 2, 1, 0xf148 }, /* actual: 282240234 */
2030 	{ 12000000, 368640000, 61, 1, 2, 1, 0xfe15 }, /* actual: 368640381 */
2031 	{ 12000000, 240000000, 60, 1, 3, 1,      0 },
2032 	{ 13000000, 282240000, 43, 1, 2, 1, 0xfd7d }, /* actual: 282239807 */
2033 	{ 13000000, 368640000, 56, 1, 2, 1, 0x06d8 }, /* actual: 368640137 */
2034 	{ 13000000, 240000000, 55, 1, 3, 1,      0 }, /* actual: 238.3 MHz */
2035 	{ 38400000, 282240000, 44, 3, 2, 1, 0xf333 }, /* actual: 282239844 */
2036 	{ 38400000, 368640000, 57, 3, 2, 1, 0x0333 }, /* actual: 368639844 */
2037 	{ 38400000, 240000000, 75, 3, 3, 1,      0 },
2038 	{        0,         0,  0, 0, 0, 0,      0 },
2039 };
2040 
2041 static struct tegra_clk_pll_params pll_a_params = {
2042 	.input_min = 12000000,
2043 	.input_max = 800000000,
2044 	.cf_min = 12000000,
2045 	.cf_max = 19200000,
2046 	.vco_min = 500000000,
2047 	.vco_max = 1000000000,
2048 	.base_reg = PLLA_BASE,
2049 	.misc_reg = PLLA_MISC0,
2050 	.lock_mask = PLL_BASE_LOCK,
2051 	.lock_delay = 300,
2052 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
2053 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
2054 	.iddq_reg = PLLA_BASE,
2055 	.iddq_bit_idx = PLLA_IDDQ_BIT,
2056 	.div_nmp = &plla_nmp,
2057 	.sdm_din_reg = PLLA_MISC1,
2058 	.sdm_din_mask = PLLA_SDM_DIN_MASK,
2059 	.sdm_ctrl_reg = PLLA_MISC2,
2060 	.sdm_ctrl_en_mask = PLLA_SDM_EN_MASK,
2061 	.ext_misc_reg[0] = PLLA_MISC0,
2062 	.ext_misc_reg[1] = PLLA_MISC1,
2063 	.ext_misc_reg[2] = PLLA_MISC2,
2064 	.freq_table = pll_a_freq_table,
2065 	.flags = TEGRA_PLL_USE_LOCK | TEGRA_MDIV_NEW,
2066 	.set_defaults = tegra210_plla_set_defaults,
2067 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
2068 	.set_gain = tegra210_clk_pll_set_gain,
2069 	.adjust_vco = tegra210_clk_adjust_vco_min,
2070 };
2071 
2072 static struct div_nmp plld_nmp = {
2073 	.divm_shift = 0,
2074 	.divm_width = 8,
2075 	.divn_shift = 11,
2076 	.divn_width = 8,
2077 	.divp_shift = 20,
2078 	.divp_width = 3,
2079 };
2080 
2081 static struct tegra_clk_pll_freq_table pll_d_freq_table[] = {
2082 	{ 12000000, 594000000, 99, 1, 2, 0,      0 },
2083 	{ 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */
2084 	{ 38400000, 594000000, 30, 1, 2, 0, 0x0e00 },
2085 	{        0,         0,  0, 0, 0, 0,      0 },
2086 };
2087 
2088 static struct tegra_clk_pll_params pll_d_params = {
2089 	.input_min = 12000000,
2090 	.input_max = 800000000,
2091 	.cf_min = 12000000,
2092 	.cf_max = 38400000,
2093 	.vco_min = 750000000,
2094 	.vco_max = 1500000000,
2095 	.base_reg = PLLD_BASE,
2096 	.misc_reg = PLLD_MISC0,
2097 	.lock_mask = PLL_BASE_LOCK,
2098 	.lock_delay = 1000,
2099 	.iddq_reg = PLLD_MISC0,
2100 	.iddq_bit_idx = PLLD_IDDQ_BIT,
2101 	.round_p_to_pdiv = pll_expo_p_to_pdiv,
2102 	.pdiv_tohw = pll_expo_pdiv_to_hw,
2103 	.div_nmp = &plld_nmp,
2104 	.sdm_din_reg = PLLD_MISC0,
2105 	.sdm_din_mask = PLLA_SDM_DIN_MASK,
2106 	.sdm_ctrl_reg = PLLD_MISC0,
2107 	.sdm_ctrl_en_mask = PLLD_SDM_EN_MASK,
2108 	.ext_misc_reg[0] = PLLD_MISC0,
2109 	.ext_misc_reg[1] = PLLD_MISC1,
2110 	.freq_table = pll_d_freq_table,
2111 	.flags = TEGRA_PLL_USE_LOCK,
2112 	.mdiv_default = 1,
2113 	.set_defaults = tegra210_plld_set_defaults,
2114 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
2115 	.set_gain = tegra210_clk_pll_set_gain,
2116 	.adjust_vco = tegra210_clk_adjust_vco_min,
2117 };
2118 
2119 static struct tegra_clk_pll_freq_table tegra210_pll_d2_freq_table[] = {
2120 	{ 12000000, 594000000, 99, 1, 2, 0, 0xf000 },
2121 	{ 13000000, 594000000, 91, 1, 2, 0, 0xfc4f }, /* actual: 594000183 */
2122 	{ 38400000, 594000000, 30, 1, 2, 0, 0x0e00 },
2123 	{        0,         0,  0, 0, 0, 0,      0 },
2124 };
2125 
2126 /* s/w policy, always tegra_pll_ref */
2127 static struct tegra_clk_pll_params pll_d2_params = {
2128 	.input_min = 12000000,
2129 	.input_max = 800000000,
2130 	.cf_min = 12000000,
2131 	.cf_max = 38400000,
2132 	.vco_min = 750000000,
2133 	.vco_max = 1500000000,
2134 	.base_reg = PLLD2_BASE,
2135 	.misc_reg = PLLD2_MISC0,
2136 	.lock_mask = PLL_BASE_LOCK,
2137 	.lock_delay = 300,
2138 	.iddq_reg = PLLD2_BASE,
2139 	.iddq_bit_idx = PLLSS_IDDQ_BIT,
2140 	.sdm_din_reg = PLLD2_MISC3,
2141 	.sdm_din_mask = PLLA_SDM_DIN_MASK,
2142 	.sdm_ctrl_reg = PLLD2_MISC1,
2143 	.sdm_ctrl_en_mask = PLLD2_SDM_EN_MASK,
2144 	/* disable spread-spectrum for pll_d2 */
2145 	.ssc_ctrl_reg = 0,
2146 	.ssc_ctrl_en_mask = 0,
2147 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
2148 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
2149 	.div_nmp = &pllss_nmp,
2150 	.ext_misc_reg[0] = PLLD2_MISC0,
2151 	.ext_misc_reg[1] = PLLD2_MISC1,
2152 	.ext_misc_reg[2] = PLLD2_MISC2,
2153 	.ext_misc_reg[3] = PLLD2_MISC3,
2154 	.max_p = PLL_QLIN_PDIV_MAX,
2155 	.mdiv_default = 1,
2156 	.freq_table = tegra210_pll_d2_freq_table,
2157 	.set_defaults = tegra210_plld2_set_defaults,
2158 	.flags = TEGRA_PLL_USE_LOCK,
2159 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
2160 	.set_gain = tegra210_clk_pll_set_gain,
2161 	.adjust_vco = tegra210_clk_adjust_vco_min,
2162 };
2163 
2164 static struct tegra_clk_pll_freq_table pll_dp_freq_table[] = {
2165 	{ 12000000, 270000000, 90, 1, 4, 0, 0xf000 },
2166 	{ 13000000, 270000000, 83, 1, 4, 0, 0xf000 }, /* actual: 269.8 MHz */
2167 	{ 38400000, 270000000, 28, 1, 4, 0, 0xf400 },
2168 	{        0,         0,  0, 0, 0, 0,      0 },
2169 };
2170 
2171 static struct tegra_clk_pll_params pll_dp_params = {
2172 	.input_min = 12000000,
2173 	.input_max = 800000000,
2174 	.cf_min = 12000000,
2175 	.cf_max = 38400000,
2176 	.vco_min = 750000000,
2177 	.vco_max = 1500000000,
2178 	.base_reg = PLLDP_BASE,
2179 	.misc_reg = PLLDP_MISC,
2180 	.lock_mask = PLL_BASE_LOCK,
2181 	.lock_delay = 300,
2182 	.iddq_reg = PLLDP_BASE,
2183 	.iddq_bit_idx = PLLSS_IDDQ_BIT,
2184 	.sdm_din_reg = PLLDP_SS_CTRL2,
2185 	.sdm_din_mask = PLLA_SDM_DIN_MASK,
2186 	.sdm_ctrl_reg = PLLDP_SS_CFG,
2187 	.sdm_ctrl_en_mask = PLLDP_SDM_EN_MASK,
2188 	.ssc_ctrl_reg = PLLDP_SS_CFG,
2189 	.ssc_ctrl_en_mask = PLLDP_SSC_EN_MASK,
2190 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
2191 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
2192 	.div_nmp = &pllss_nmp,
2193 	.ext_misc_reg[0] = PLLDP_MISC,
2194 	.ext_misc_reg[1] = PLLDP_SS_CFG,
2195 	.ext_misc_reg[2] = PLLDP_SS_CTRL1,
2196 	.ext_misc_reg[3] = PLLDP_SS_CTRL2,
2197 	.max_p = PLL_QLIN_PDIV_MAX,
2198 	.mdiv_default = 1,
2199 	.freq_table = pll_dp_freq_table,
2200 	.set_defaults = tegra210_plldp_set_defaults,
2201 	.flags = TEGRA_PLL_USE_LOCK,
2202 	.calc_rate = tegra210_pll_fixed_mdiv_cfg,
2203 	.set_gain = tegra210_clk_pll_set_gain,
2204 	.adjust_vco = tegra210_clk_adjust_vco_min,
2205 };
2206 
2207 static struct div_nmp pllu_nmp = {
2208 	.divm_shift = 0,
2209 	.divm_width = 8,
2210 	.divn_shift = 8,
2211 	.divn_width = 8,
2212 	.divp_shift = 16,
2213 	.divp_width = 5,
2214 };
2215 
2216 static struct tegra_clk_pll_freq_table pll_u_freq_table[] = {
2217 	{ 12000000, 480000000, 40, 1, 1, 0 },
2218 	{ 13000000, 480000000, 36, 1, 1, 0 }, /* actual: 468.0 MHz */
2219 	{ 38400000, 480000000, 25, 2, 1, 0 },
2220 	{        0,         0,  0, 0, 0, 0 },
2221 };
2222 
2223 static struct tegra_clk_pll_params pll_u_vco_params = {
2224 	.input_min = 9600000,
2225 	.input_max = 800000000,
2226 	.cf_min = 9600000,
2227 	.cf_max = 19200000,
2228 	.vco_min = 350000000,
2229 	.vco_max = 700000000,
2230 	.base_reg = PLLU_BASE,
2231 	.misc_reg = PLLU_MISC0,
2232 	.lock_mask = PLL_BASE_LOCK,
2233 	.lock_delay = 1000,
2234 	.iddq_reg = PLLU_MISC0,
2235 	.iddq_bit_idx = PLLU_IDDQ_BIT,
2236 	.ext_misc_reg[0] = PLLU_MISC0,
2237 	.ext_misc_reg[1] = PLLU_MISC1,
2238 	.round_p_to_pdiv = pll_qlin_p_to_pdiv,
2239 	.pdiv_tohw = pll_qlin_pdiv_to_hw,
2240 	.div_nmp = &pllu_nmp,
2241 	.freq_table = pll_u_freq_table,
2242 	.flags = TEGRA_PLLU | TEGRA_PLL_USE_LOCK | TEGRA_PLL_VCO_OUT,
2243 };
2244 
2245 struct utmi_clk_param {
2246 	/* Oscillator Frequency in KHz */
2247 	u32 osc_frequency;
2248 	/* UTMIP PLL Enable Delay Count  */
2249 	u8 enable_delay_count;
2250 	/* UTMIP PLL Stable count */
2251 	u16 stable_count;
2252 	/*  UTMIP PLL Active delay count */
2253 	u8 active_delay_count;
2254 	/* UTMIP PLL Xtal frequency count */
2255 	u16 xtal_freq_count;
2256 };
2257 
2258 static const struct utmi_clk_param utmi_parameters[] = {
2259 	{
2260 		.osc_frequency = 38400000, .enable_delay_count = 0x0,
2261 		.stable_count = 0x0, .active_delay_count = 0x6,
2262 		.xtal_freq_count = 0x80
2263 	}, {
2264 		.osc_frequency = 13000000, .enable_delay_count = 0x02,
2265 		.stable_count = 0x33, .active_delay_count = 0x05,
2266 		.xtal_freq_count = 0x7f
2267 	}, {
2268 		.osc_frequency = 19200000, .enable_delay_count = 0x03,
2269 		.stable_count = 0x4b, .active_delay_count = 0x06,
2270 		.xtal_freq_count = 0xbb
2271 	}, {
2272 		.osc_frequency = 12000000, .enable_delay_count = 0x02,
2273 		.stable_count = 0x2f, .active_delay_count = 0x08,
2274 		.xtal_freq_count = 0x76
2275 	}, {
2276 		.osc_frequency = 26000000, .enable_delay_count = 0x04,
2277 		.stable_count = 0x66, .active_delay_count = 0x09,
2278 		.xtal_freq_count = 0xfe
2279 	}, {
2280 		.osc_frequency = 16800000, .enable_delay_count = 0x03,
2281 		.stable_count = 0x41, .active_delay_count = 0x0a,
2282 		.xtal_freq_count = 0xa4
2283 	},
2284 };
2285 
2286 static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = {
2287 	[tegra_clk_ispb] = { .dt_id = TEGRA210_CLK_ISPB, .present = true },
2288 	[tegra_clk_rtc] = { .dt_id = TEGRA210_CLK_RTC, .present = true },
2289 	[tegra_clk_timer] = { .dt_id = TEGRA210_CLK_TIMER, .present = true },
2290 	[tegra_clk_uarta_8] = { .dt_id = TEGRA210_CLK_UARTA, .present = true },
2291 	[tegra_clk_i2s1] = { .dt_id = TEGRA210_CLK_I2S1, .present = true },
2292 	[tegra_clk_i2c1] = { .dt_id = TEGRA210_CLK_I2C1, .present = true },
2293 	[tegra_clk_sdmmc1_9] = { .dt_id = TEGRA210_CLK_SDMMC1, .present = true },
2294 	[tegra_clk_pwm] = { .dt_id = TEGRA210_CLK_PWM, .present = true },
2295 	[tegra_clk_i2s2] = { .dt_id = TEGRA210_CLK_I2S2, .present = true },
2296 	[tegra_clk_usbd] = { .dt_id = TEGRA210_CLK_USBD, .present = true },
2297 	[tegra_clk_isp_9] = { .dt_id = TEGRA210_CLK_ISP, .present = true },
2298 	[tegra_clk_disp2_8] = { .dt_id = TEGRA210_CLK_DISP2, .present = true },
2299 	[tegra_clk_disp1_8] = { .dt_id = TEGRA210_CLK_DISP1, .present = true },
2300 	[tegra_clk_host1x_9] = { .dt_id = TEGRA210_CLK_HOST1X, .present = true },
2301 	[tegra_clk_i2s0] = { .dt_id = TEGRA210_CLK_I2S0, .present = true },
2302 	[tegra_clk_apbdma] = { .dt_id = TEGRA210_CLK_APBDMA, .present = true },
2303 	[tegra_clk_kfuse] = { .dt_id = TEGRA210_CLK_KFUSE, .present = true },
2304 	[tegra_clk_sbc1_9] = { .dt_id = TEGRA210_CLK_SBC1, .present = true },
2305 	[tegra_clk_sbc2_9] = { .dt_id = TEGRA210_CLK_SBC2, .present = true },
2306 	[tegra_clk_sbc3_9] = { .dt_id = TEGRA210_CLK_SBC3, .present = true },
2307 	[tegra_clk_i2c5] = { .dt_id = TEGRA210_CLK_I2C5, .present = true },
2308 	[tegra_clk_csi] = { .dt_id = TEGRA210_CLK_CSI, .present = true },
2309 	[tegra_clk_i2c2] = { .dt_id = TEGRA210_CLK_I2C2, .present = true },
2310 	[tegra_clk_uartc_8] = { .dt_id = TEGRA210_CLK_UARTC, .present = true },
2311 	[tegra_clk_mipi_cal] = { .dt_id = TEGRA210_CLK_MIPI_CAL, .present = true },
2312 	[tegra_clk_emc] = { .dt_id = TEGRA210_CLK_EMC, .present = true },
2313 	[tegra_clk_usb2] = { .dt_id = TEGRA210_CLK_USB2, .present = true },
2314 	[tegra_clk_bsev] = { .dt_id = TEGRA210_CLK_BSEV, .present = true },
2315 	[tegra_clk_uartd_8] = { .dt_id = TEGRA210_CLK_UARTD, .present = true },
2316 	[tegra_clk_i2c3] = { .dt_id = TEGRA210_CLK_I2C3, .present = true },
2317 	[tegra_clk_sbc4_9] = { .dt_id = TEGRA210_CLK_SBC4, .present = true },
2318 	[tegra_clk_sdmmc3_9] = { .dt_id = TEGRA210_CLK_SDMMC3, .present = true },
2319 	[tegra_clk_pcie] = { .dt_id = TEGRA210_CLK_PCIE, .present = true },
2320 	[tegra_clk_owr_8] = { .dt_id = TEGRA210_CLK_OWR, .present = true },
2321 	[tegra_clk_afi] = { .dt_id = TEGRA210_CLK_AFI, .present = true },
2322 	[tegra_clk_csite_8] = { .dt_id = TEGRA210_CLK_CSITE, .present = true },
2323 	[tegra_clk_soc_therm_8] = { .dt_id = TEGRA210_CLK_SOC_THERM, .present = true },
2324 	[tegra_clk_dtv] = { .dt_id = TEGRA210_CLK_DTV, .present = true },
2325 	[tegra_clk_i2cslow] = { .dt_id = TEGRA210_CLK_I2CSLOW, .present = true },
2326 	[tegra_clk_tsec_8] = { .dt_id = TEGRA210_CLK_TSEC, .present = true },
2327 	[tegra_clk_xusb_host] = { .dt_id = TEGRA210_CLK_XUSB_HOST, .present = true },
2328 	[tegra_clk_csus] = { .dt_id = TEGRA210_CLK_CSUS, .present = true },
2329 	[tegra_clk_mselect] = { .dt_id = TEGRA210_CLK_MSELECT, .present = true },
2330 	[tegra_clk_tsensor] = { .dt_id = TEGRA210_CLK_TSENSOR, .present = true },
2331 	[tegra_clk_i2s3] = { .dt_id = TEGRA210_CLK_I2S3, .present = true },
2332 	[tegra_clk_i2s4] = { .dt_id = TEGRA210_CLK_I2S4, .present = true },
2333 	[tegra_clk_i2c4] = { .dt_id = TEGRA210_CLK_I2C4, .present = true },
2334 	[tegra_clk_d_audio] = { .dt_id = TEGRA210_CLK_D_AUDIO, .present = true },
2335 	[tegra_clk_hda2codec_2x_8] = { .dt_id = TEGRA210_CLK_HDA2CODEC_2X, .present = true },
2336 	[tegra_clk_spdif_2x] = { .dt_id = TEGRA210_CLK_SPDIF_2X, .present = true },
2337 	[tegra_clk_actmon] = { .dt_id = TEGRA210_CLK_ACTMON, .present = true },
2338 	[tegra_clk_extern1] = { .dt_id = TEGRA210_CLK_EXTERN1, .present = true },
2339 	[tegra_clk_extern2] = { .dt_id = TEGRA210_CLK_EXTERN2, .present = true },
2340 	[tegra_clk_extern3] = { .dt_id = TEGRA210_CLK_EXTERN3, .present = true },
2341 	[tegra_clk_sata_oob_8] = { .dt_id = TEGRA210_CLK_SATA_OOB, .present = true },
2342 	[tegra_clk_sata_8] = { .dt_id = TEGRA210_CLK_SATA, .present = true },
2343 	[tegra_clk_hda_8] = { .dt_id = TEGRA210_CLK_HDA, .present = true },
2344 	[tegra_clk_hda2hdmi] = { .dt_id = TEGRA210_CLK_HDA2HDMI, .present = true },
2345 	[tegra_clk_cilab] = { .dt_id = TEGRA210_CLK_CILAB, .present = true },
2346 	[tegra_clk_cilcd] = { .dt_id = TEGRA210_CLK_CILCD, .present = true },
2347 	[tegra_clk_cile] = { .dt_id = TEGRA210_CLK_CILE, .present = true },
2348 	[tegra_clk_dsialp] = { .dt_id = TEGRA210_CLK_DSIALP, .present = true },
2349 	[tegra_clk_dsiblp] = { .dt_id = TEGRA210_CLK_DSIBLP, .present = true },
2350 	[tegra_clk_entropy_8] = { .dt_id = TEGRA210_CLK_ENTROPY, .present = true },
2351 	[tegra_clk_xusb_ss] = { .dt_id = TEGRA210_CLK_XUSB_SS, .present = true },
2352 	[tegra_clk_i2c6] = { .dt_id = TEGRA210_CLK_I2C6, .present = true },
2353 	[tegra_clk_vim2_clk] = { .dt_id = TEGRA210_CLK_VIM2_CLK, .present = true },
2354 	[tegra_clk_clk72Mhz_8] = { .dt_id = TEGRA210_CLK_CLK72MHZ, .present = true },
2355 	[tegra_clk_vic03_8] = { .dt_id = TEGRA210_CLK_VIC03, .present = true },
2356 	[tegra_clk_dpaux] = { .dt_id = TEGRA210_CLK_DPAUX, .present = true },
2357 	[tegra_clk_dpaux1] = { .dt_id = TEGRA210_CLK_DPAUX1, .present = true },
2358 	[tegra_clk_sor0] = { .dt_id = TEGRA210_CLK_SOR0, .present = true },
2359 	[tegra_clk_sor0_lvds] = { .dt_id = TEGRA210_CLK_SOR0_LVDS, .present = true },
2360 	[tegra_clk_sor1] = { .dt_id = TEGRA210_CLK_SOR1, .present = true },
2361 	[tegra_clk_sor1_src] = { .dt_id = TEGRA210_CLK_SOR1_SRC, .present = true },
2362 	[tegra_clk_gpu] = { .dt_id = TEGRA210_CLK_GPU, .present = true },
2363 	[tegra_clk_pll_g_ref] = { .dt_id = TEGRA210_CLK_PLL_G_REF, .present = true, },
2364 	[tegra_clk_uartb_8] = { .dt_id = TEGRA210_CLK_UARTB, .present = true },
2365 	[tegra_clk_spdif_in_8] = { .dt_id = TEGRA210_CLK_SPDIF_IN, .present = true },
2366 	[tegra_clk_spdif_out] = { .dt_id = TEGRA210_CLK_SPDIF_OUT, .present = true },
2367 	[tegra_clk_vi_10] = { .dt_id = TEGRA210_CLK_VI, .present = true },
2368 	[tegra_clk_vi_sensor_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR, .present = true },
2369 	[tegra_clk_fuse] = { .dt_id = TEGRA210_CLK_FUSE, .present = true },
2370 	[tegra_clk_fuse_burn] = { .dt_id = TEGRA210_CLK_FUSE_BURN, .present = true },
2371 	[tegra_clk_clk_32k] = { .dt_id = TEGRA210_CLK_CLK_32K, .present = true },
2372 	[tegra_clk_clk_m] = { .dt_id = TEGRA210_CLK_CLK_M, .present = true },
2373 	[tegra_clk_clk_m_div2] = { .dt_id = TEGRA210_CLK_CLK_M_DIV2, .present = true },
2374 	[tegra_clk_clk_m_div4] = { .dt_id = TEGRA210_CLK_CLK_M_DIV4, .present = true },
2375 	[tegra_clk_pll_ref] = { .dt_id = TEGRA210_CLK_PLL_REF, .present = true },
2376 	[tegra_clk_pll_c] = { .dt_id = TEGRA210_CLK_PLL_C, .present = true },
2377 	[tegra_clk_pll_c_out1] = { .dt_id = TEGRA210_CLK_PLL_C_OUT1, .present = true },
2378 	[tegra_clk_pll_c2] = { .dt_id = TEGRA210_CLK_PLL_C2, .present = true },
2379 	[tegra_clk_pll_c3] = { .dt_id = TEGRA210_CLK_PLL_C3, .present = true },
2380 	[tegra_clk_pll_m] = { .dt_id = TEGRA210_CLK_PLL_M, .present = true },
2381 	[tegra_clk_pll_p] = { .dt_id = TEGRA210_CLK_PLL_P, .present = true },
2382 	[tegra_clk_pll_p_out1] = { .dt_id = TEGRA210_CLK_PLL_P_OUT1, .present = true },
2383 	[tegra_clk_pll_p_out3] = { .dt_id = TEGRA210_CLK_PLL_P_OUT3, .present = true },
2384 	[tegra_clk_pll_p_out4_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT4, .present = true },
2385 	[tegra_clk_pll_p_out_hsio] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_HSIO, .present = true },
2386 	[tegra_clk_pll_p_out_xusb] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_XUSB, .present = true },
2387 	[tegra_clk_pll_p_out_cpu] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_CPU, .present = true },
2388 	[tegra_clk_pll_p_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_P_OUT_ADSP, .present = true },
2389 	[tegra_clk_pll_a] = { .dt_id = TEGRA210_CLK_PLL_A, .present = true },
2390 	[tegra_clk_pll_a_out0] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0, .present = true },
2391 	[tegra_clk_pll_d] = { .dt_id = TEGRA210_CLK_PLL_D, .present = true },
2392 	[tegra_clk_pll_d_out0] = { .dt_id = TEGRA210_CLK_PLL_D_OUT0, .present = true },
2393 	[tegra_clk_pll_d2] = { .dt_id = TEGRA210_CLK_PLL_D2, .present = true },
2394 	[tegra_clk_pll_d2_out0] = { .dt_id = TEGRA210_CLK_PLL_D2_OUT0, .present = true },
2395 	[tegra_clk_pll_u] = { .dt_id = TEGRA210_CLK_PLL_U, .present = true },
2396 	[tegra_clk_pll_u_out] = { .dt_id = TEGRA210_CLK_PLL_U_OUT, .present = true },
2397 	[tegra_clk_pll_u_out1] = { .dt_id = TEGRA210_CLK_PLL_U_OUT1, .present = true },
2398 	[tegra_clk_pll_u_out2] = { .dt_id = TEGRA210_CLK_PLL_U_OUT2, .present = true },
2399 	[tegra_clk_pll_u_480m] = { .dt_id = TEGRA210_CLK_PLL_U_480M, .present = true },
2400 	[tegra_clk_pll_u_60m] = { .dt_id = TEGRA210_CLK_PLL_U_60M, .present = true },
2401 	[tegra_clk_pll_u_48m] = { .dt_id = TEGRA210_CLK_PLL_U_48M, .present = true },
2402 	[tegra_clk_pll_x] = { .dt_id = TEGRA210_CLK_PLL_X, .present = true },
2403 	[tegra_clk_pll_x_out0] = { .dt_id = TEGRA210_CLK_PLL_X_OUT0, .present = true },
2404 	[tegra_clk_pll_re_vco] = { .dt_id = TEGRA210_CLK_PLL_RE_VCO, .present = true },
2405 	[tegra_clk_pll_re_out] = { .dt_id = TEGRA210_CLK_PLL_RE_OUT, .present = true },
2406 	[tegra_clk_spdif_in_sync] = { .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC, .present = true },
2407 	[tegra_clk_i2s0_sync] = { .dt_id = TEGRA210_CLK_I2S0_SYNC, .present = true },
2408 	[tegra_clk_i2s1_sync] = { .dt_id = TEGRA210_CLK_I2S1_SYNC, .present = true },
2409 	[tegra_clk_i2s2_sync] = { .dt_id = TEGRA210_CLK_I2S2_SYNC, .present = true },
2410 	[tegra_clk_i2s3_sync] = { .dt_id = TEGRA210_CLK_I2S3_SYNC, .present = true },
2411 	[tegra_clk_i2s4_sync] = { .dt_id = TEGRA210_CLK_I2S4_SYNC, .present = true },
2412 	[tegra_clk_vimclk_sync] = { .dt_id = TEGRA210_CLK_VIMCLK_SYNC, .present = true },
2413 	[tegra_clk_audio0] = { .dt_id = TEGRA210_CLK_AUDIO0, .present = true },
2414 	[tegra_clk_audio1] = { .dt_id = TEGRA210_CLK_AUDIO1, .present = true },
2415 	[tegra_clk_audio2] = { .dt_id = TEGRA210_CLK_AUDIO2, .present = true },
2416 	[tegra_clk_audio3] = { .dt_id = TEGRA210_CLK_AUDIO3, .present = true },
2417 	[tegra_clk_audio4] = { .dt_id = TEGRA210_CLK_AUDIO4, .present = true },
2418 	[tegra_clk_spdif] = { .dt_id = TEGRA210_CLK_SPDIF, .present = true },
2419 	[tegra_clk_clk_out_1] = { .dt_id = TEGRA210_CLK_CLK_OUT_1, .present = true },
2420 	[tegra_clk_clk_out_2] = { .dt_id = TEGRA210_CLK_CLK_OUT_2, .present = true },
2421 	[tegra_clk_clk_out_3] = { .dt_id = TEGRA210_CLK_CLK_OUT_3, .present = true },
2422 	[tegra_clk_blink] = { .dt_id = TEGRA210_CLK_BLINK, .present = true },
2423 	[tegra_clk_xusb_gate] = { .dt_id = TEGRA210_CLK_XUSB_GATE, .present = true },
2424 	[tegra_clk_xusb_host_src_8] = { .dt_id = TEGRA210_CLK_XUSB_HOST_SRC, .present = true },
2425 	[tegra_clk_xusb_falcon_src_8] = { .dt_id = TEGRA210_CLK_XUSB_FALCON_SRC, .present = true },
2426 	[tegra_clk_xusb_fs_src] = { .dt_id = TEGRA210_CLK_XUSB_FS_SRC, .present = true },
2427 	[tegra_clk_xusb_ss_src_8] = { .dt_id = TEGRA210_CLK_XUSB_SS_SRC, .present = true },
2428 	[tegra_clk_xusb_ss_div2] = { .dt_id = TEGRA210_CLK_XUSB_SS_DIV2, .present = true },
2429 	[tegra_clk_xusb_dev_src_8] = { .dt_id = TEGRA210_CLK_XUSB_DEV_SRC, .present = true },
2430 	[tegra_clk_xusb_dev] = { .dt_id = TEGRA210_CLK_XUSB_DEV, .present = true },
2431 	[tegra_clk_xusb_hs_src_4] = { .dt_id = TEGRA210_CLK_XUSB_HS_SRC, .present = true },
2432 	[tegra_clk_xusb_ssp_src] = { .dt_id = TEGRA210_CLK_XUSB_SSP_SRC, .present = true },
2433 	[tegra_clk_usb2_hsic_trk] = { .dt_id = TEGRA210_CLK_USB2_HSIC_TRK, .present = true },
2434 	[tegra_clk_hsic_trk] = { .dt_id = TEGRA210_CLK_HSIC_TRK, .present = true },
2435 	[tegra_clk_usb2_trk] = { .dt_id = TEGRA210_CLK_USB2_TRK, .present = true },
2436 	[tegra_clk_sclk] = { .dt_id = TEGRA210_CLK_SCLK, .present = true },
2437 	[tegra_clk_sclk_mux] = { .dt_id = TEGRA210_CLK_SCLK_MUX, .present = true },
2438 	[tegra_clk_hclk] = { .dt_id = TEGRA210_CLK_HCLK, .present = true },
2439 	[tegra_clk_pclk] = { .dt_id = TEGRA210_CLK_PCLK, .present = true },
2440 	[tegra_clk_cclk_g] = { .dt_id = TEGRA210_CLK_CCLK_G, .present = true },
2441 	[tegra_clk_cclk_lp] = { .dt_id = TEGRA210_CLK_CCLK_LP, .present = true },
2442 	[tegra_clk_dfll_ref] = { .dt_id = TEGRA210_CLK_DFLL_REF, .present = true },
2443 	[tegra_clk_dfll_soc] = { .dt_id = TEGRA210_CLK_DFLL_SOC, .present = true },
2444 	[tegra_clk_vi_sensor2_8] = { .dt_id = TEGRA210_CLK_VI_SENSOR2, .present = true },
2445 	[tegra_clk_pll_p_out5] = { .dt_id = TEGRA210_CLK_PLL_P_OUT5, .present = true },
2446 	[tegra_clk_pll_c4] = { .dt_id = TEGRA210_CLK_PLL_C4, .present = true },
2447 	[tegra_clk_pll_dp] = { .dt_id = TEGRA210_CLK_PLL_DP, .present = true },
2448 	[tegra_clk_audio0_mux] = { .dt_id = TEGRA210_CLK_AUDIO0_MUX, .present = true },
2449 	[tegra_clk_audio1_mux] = { .dt_id = TEGRA210_CLK_AUDIO1_MUX, .present = true },
2450 	[tegra_clk_audio2_mux] = { .dt_id = TEGRA210_CLK_AUDIO2_MUX, .present = true },
2451 	[tegra_clk_audio3_mux] = { .dt_id = TEGRA210_CLK_AUDIO3_MUX, .present = true },
2452 	[tegra_clk_audio4_mux] = { .dt_id = TEGRA210_CLK_AUDIO4_MUX, .present = true },
2453 	[tegra_clk_spdif_mux] = { .dt_id = TEGRA210_CLK_SPDIF_MUX, .present = true },
2454 	[tegra_clk_clk_out_1_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_1_MUX, .present = true },
2455 	[tegra_clk_clk_out_2_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_2_MUX, .present = true },
2456 	[tegra_clk_clk_out_3_mux] = { .dt_id = TEGRA210_CLK_CLK_OUT_3_MUX, .present = true },
2457 	[tegra_clk_maud] = { .dt_id = TEGRA210_CLK_MAUD, .present = true },
2458 	[tegra_clk_mipibif] = { .dt_id = TEGRA210_CLK_MIPIBIF, .present = true },
2459 	[tegra_clk_qspi] = { .dt_id = TEGRA210_CLK_QSPI, .present = true },
2460 	[tegra_clk_sdmmc_legacy] = { .dt_id = TEGRA210_CLK_SDMMC_LEGACY, .present = true },
2461 	[tegra_clk_tsecb] = { .dt_id = TEGRA210_CLK_TSECB, .present = true },
2462 	[tegra_clk_uartape] = { .dt_id = TEGRA210_CLK_UARTAPE, .present = true },
2463 	[tegra_clk_vi_i2c] = { .dt_id = TEGRA210_CLK_VI_I2C, .present = true },
2464 	[tegra_clk_ape] = { .dt_id = TEGRA210_CLK_APE, .present = true },
2465 	[tegra_clk_dbgapb] = { .dt_id = TEGRA210_CLK_DBGAPB, .present = true },
2466 	[tegra_clk_nvdec] = { .dt_id = TEGRA210_CLK_NVDEC, .present = true },
2467 	[tegra_clk_nvenc] = { .dt_id = TEGRA210_CLK_NVENC, .present = true },
2468 	[tegra_clk_nvjpg] = { .dt_id = TEGRA210_CLK_NVJPG, .present = true },
2469 	[tegra_clk_pll_c4_out0] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT0, .present = true },
2470 	[tegra_clk_pll_c4_out1] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT1, .present = true },
2471 	[tegra_clk_pll_c4_out2] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT2, .present = true },
2472 	[tegra_clk_pll_c4_out3] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT3, .present = true },
2473 	[tegra_clk_apb2ape] = { .dt_id = TEGRA210_CLK_APB2APE, .present = true },
2474 	[tegra_clk_pll_a1] = { .dt_id = TEGRA210_CLK_PLL_A1, .present = true },
2475 	[tegra_clk_ispa] = { .dt_id = TEGRA210_CLK_ISPA, .present = true },
2476 	[tegra_clk_cec] = { .dt_id = TEGRA210_CLK_CEC, .present = true },
2477 	[tegra_clk_dmic1] = { .dt_id = TEGRA210_CLK_DMIC1, .present = true },
2478 	[tegra_clk_dmic2] = { .dt_id = TEGRA210_CLK_DMIC2, .present = true },
2479 	[tegra_clk_dmic3] = { .dt_id = TEGRA210_CLK_DMIC3, .present = true },
2480 	[tegra_clk_dmic1_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK, .present = true },
2481 	[tegra_clk_dmic2_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK, .present = true },
2482 	[tegra_clk_dmic3_sync_clk] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK, .present = true },
2483 	[tegra_clk_dmic1_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC1_SYNC_CLK_MUX, .present = true },
2484 	[tegra_clk_dmic2_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC2_SYNC_CLK_MUX, .present = true },
2485 	[tegra_clk_dmic3_sync_clk_mux] = { .dt_id = TEGRA210_CLK_DMIC3_SYNC_CLK_MUX, .present = true },
2486 	[tegra_clk_dp2] = { .dt_id = TEGRA210_CLK_DP2, .present = true },
2487 	[tegra_clk_iqc1] = { .dt_id = TEGRA210_CLK_IQC1, .present = true },
2488 	[tegra_clk_iqc2] = { .dt_id = TEGRA210_CLK_IQC2, .present = true },
2489 	[tegra_clk_pll_a_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT_ADSP, .present = true },
2490 	[tegra_clk_pll_a_out0_out_adsp] = { .dt_id = TEGRA210_CLK_PLL_A_OUT0_OUT_ADSP, .present = true },
2491 	[tegra_clk_adsp] = { .dt_id = TEGRA210_CLK_ADSP, .present = true },
2492 	[tegra_clk_adsp_neon] = { .dt_id = TEGRA210_CLK_ADSP_NEON, .present = true },
2493 };
2494 
2495 static struct tegra_devclk devclks[] __initdata = {
2496 	{ .con_id = "clk_m", .dt_id = TEGRA210_CLK_CLK_M },
2497 	{ .con_id = "pll_ref", .dt_id = TEGRA210_CLK_PLL_REF },
2498 	{ .con_id = "clk_32k", .dt_id = TEGRA210_CLK_CLK_32K },
2499 	{ .con_id = "clk_m_div2", .dt_id = TEGRA210_CLK_CLK_M_DIV2 },
2500 	{ .con_id = "clk_m_div4", .dt_id = TEGRA210_CLK_CLK_M_DIV4 },
2501 	{ .con_id = "pll_c", .dt_id = TEGRA210_CLK_PLL_C },
2502 	{ .con_id = "pll_c_out1", .dt_id = TEGRA210_CLK_PLL_C_OUT1 },
2503 	{ .con_id = "pll_c2", .dt_id = TEGRA210_CLK_PLL_C2 },
2504 	{ .con_id = "pll_c3", .dt_id = TEGRA210_CLK_PLL_C3 },
2505 	{ .con_id = "pll_p", .dt_id = TEGRA210_CLK_PLL_P },
2506 	{ .con_id = "pll_p_out1", .dt_id = TEGRA210_CLK_PLL_P_OUT1 },
2507 	{ .con_id = "pll_p_out2", .dt_id = TEGRA210_CLK_PLL_P_OUT2 },
2508 	{ .con_id = "pll_p_out3", .dt_id = TEGRA210_CLK_PLL_P_OUT3 },
2509 	{ .con_id = "pll_p_out4", .dt_id = TEGRA210_CLK_PLL_P_OUT4 },
2510 	{ .con_id = "pll_m", .dt_id = TEGRA210_CLK_PLL_M },
2511 	{ .con_id = "pll_x", .dt_id = TEGRA210_CLK_PLL_X },
2512 	{ .con_id = "pll_x_out0", .dt_id = TEGRA210_CLK_PLL_X_OUT0 },
2513 	{ .con_id = "pll_u", .dt_id = TEGRA210_CLK_PLL_U },
2514 	{ .con_id = "pll_u_out", .dt_id = TEGRA210_CLK_PLL_U_OUT },
2515 	{ .con_id = "pll_u_out1", .dt_id = TEGRA210_CLK_PLL_U_OUT1 },
2516 	{ .con_id = "pll_u_out2", .dt_id = TEGRA210_CLK_PLL_U_OUT2 },
2517 	{ .con_id = "pll_u_480M", .dt_id = TEGRA210_CLK_PLL_U_480M },
2518 	{ .con_id = "pll_u_60M", .dt_id = TEGRA210_CLK_PLL_U_60M },
2519 	{ .con_id = "pll_u_48M", .dt_id = TEGRA210_CLK_PLL_U_48M },
2520 	{ .con_id = "pll_d", .dt_id = TEGRA210_CLK_PLL_D },
2521 	{ .con_id = "pll_d_out0", .dt_id = TEGRA210_CLK_PLL_D_OUT0 },
2522 	{ .con_id = "pll_d2", .dt_id = TEGRA210_CLK_PLL_D2 },
2523 	{ .con_id = "pll_d2_out0", .dt_id = TEGRA210_CLK_PLL_D2_OUT0 },
2524 	{ .con_id = "pll_a", .dt_id = TEGRA210_CLK_PLL_A },
2525 	{ .con_id = "pll_a_out0", .dt_id = TEGRA210_CLK_PLL_A_OUT0 },
2526 	{ .con_id = "pll_re_vco", .dt_id = TEGRA210_CLK_PLL_RE_VCO },
2527 	{ .con_id = "pll_re_out", .dt_id = TEGRA210_CLK_PLL_RE_OUT },
2528 	{ .con_id = "spdif_in_sync", .dt_id = TEGRA210_CLK_SPDIF_IN_SYNC },
2529 	{ .con_id = "i2s0_sync", .dt_id = TEGRA210_CLK_I2S0_SYNC },
2530 	{ .con_id = "i2s1_sync", .dt_id = TEGRA210_CLK_I2S1_SYNC },
2531 	{ .con_id = "i2s2_sync", .dt_id = TEGRA210_CLK_I2S2_SYNC },
2532 	{ .con_id = "i2s3_sync", .dt_id = TEGRA210_CLK_I2S3_SYNC },
2533 	{ .con_id = "i2s4_sync", .dt_id = TEGRA210_CLK_I2S4_SYNC },
2534 	{ .con_id = "vimclk_sync", .dt_id = TEGRA210_CLK_VIMCLK_SYNC },
2535 	{ .con_id = "audio0", .dt_id = TEGRA210_CLK_AUDIO0 },
2536 	{ .con_id = "audio1", .dt_id = TEGRA210_CLK_AUDIO1 },
2537 	{ .con_id = "audio2", .dt_id = TEGRA210_CLK_AUDIO2 },
2538 	{ .con_id = "audio3", .dt_id = TEGRA210_CLK_AUDIO3 },
2539 	{ .con_id = "audio4", .dt_id = TEGRA210_CLK_AUDIO4 },
2540 	{ .con_id = "spdif", .dt_id = TEGRA210_CLK_SPDIF },
2541 	{ .con_id = "spdif_2x", .dt_id = TEGRA210_CLK_SPDIF_2X },
2542 	{ .con_id = "extern1", .dev_id = "clk_out_1", .dt_id = TEGRA210_CLK_EXTERN1 },
2543 	{ .con_id = "extern2", .dev_id = "clk_out_2", .dt_id = TEGRA210_CLK_EXTERN2 },
2544 	{ .con_id = "extern3", .dev_id = "clk_out_3", .dt_id = TEGRA210_CLK_EXTERN3 },
2545 	{ .con_id = "blink", .dt_id = TEGRA210_CLK_BLINK },
2546 	{ .con_id = "cclk_g", .dt_id = TEGRA210_CLK_CCLK_G },
2547 	{ .con_id = "cclk_lp", .dt_id = TEGRA210_CLK_CCLK_LP },
2548 	{ .con_id = "sclk", .dt_id = TEGRA210_CLK_SCLK },
2549 	{ .con_id = "hclk", .dt_id = TEGRA210_CLK_HCLK },
2550 	{ .con_id = "pclk", .dt_id = TEGRA210_CLK_PCLK },
2551 	{ .con_id = "fuse", .dt_id = TEGRA210_CLK_FUSE },
2552 	{ .dev_id = "rtc-tegra", .dt_id = TEGRA210_CLK_RTC },
2553 	{ .dev_id = "timer", .dt_id = TEGRA210_CLK_TIMER },
2554 	{ .con_id = "pll_c4_out0", .dt_id = TEGRA210_CLK_PLL_C4_OUT0 },
2555 	{ .con_id = "pll_c4_out1", .dt_id = TEGRA210_CLK_PLL_C4_OUT1 },
2556 	{ .con_id = "pll_c4_out2", .dt_id = TEGRA210_CLK_PLL_C4_OUT2 },
2557 	{ .con_id = "pll_c4_out3", .dt_id = TEGRA210_CLK_PLL_C4_OUT3 },
2558 	{ .con_id = "dpaux", .dt_id = TEGRA210_CLK_DPAUX },
2559 	{ .con_id = "sor0", .dt_id = TEGRA210_CLK_SOR0 },
2560 };
2561 
2562 static struct tegra_audio_clk_info tegra210_audio_plls[] = {
2563 	{ "pll_a", &pll_a_params, tegra_clk_pll_a, "pll_ref" },
2564 	{ "pll_a1", &pll_a1_params, tegra_clk_pll_a1, "pll_ref" },
2565 };
2566 
2567 static const char * const aclk_parents[] = {
2568 	"pll_a1", "pll_c", "pll_p", "pll_a_out0", "pll_c2", "pll_c3",
2569 	"clk_m"
2570 };
2571 
2572 static const unsigned int nvjpg_slcg_clkids[] = { TEGRA210_CLK_NVDEC };
2573 static const unsigned int nvdec_slcg_clkids[] = { TEGRA210_CLK_NVJPG };
2574 static const unsigned int sor_slcg_clkids[] = { TEGRA210_CLK_HDA2CODEC_2X,
2575 	TEGRA210_CLK_HDA2HDMI, TEGRA210_CLK_DISP1, TEGRA210_CLK_DISP2 };
2576 static const unsigned int disp_slcg_clkids[] = { TEGRA210_CLK_LA,
2577 	TEGRA210_CLK_HOST1X};
2578 static const unsigned int xusba_slcg_clkids[] = { TEGRA210_CLK_XUSB_HOST,
2579 	TEGRA210_CLK_XUSB_DEV };
2580 static const unsigned int xusbb_slcg_clkids[] = { TEGRA210_CLK_XUSB_HOST,
2581 	TEGRA210_CLK_XUSB_SS };
2582 static const unsigned int xusbc_slcg_clkids[] = { TEGRA210_CLK_XUSB_DEV,
2583 	TEGRA210_CLK_XUSB_SS };
2584 static const unsigned int venc_slcg_clkids[] = { TEGRA210_CLK_HOST1X,
2585 	TEGRA210_CLK_PLL_D };
2586 static const unsigned int ape_slcg_clkids[] = { TEGRA210_CLK_ACLK,
2587 	TEGRA210_CLK_I2S0, TEGRA210_CLK_I2S1, TEGRA210_CLK_I2S2,
2588 	TEGRA210_CLK_I2S3, TEGRA210_CLK_I2S4, TEGRA210_CLK_SPDIF_OUT,
2589 	TEGRA210_CLK_D_AUDIO };
2590 static const unsigned int vic_slcg_clkids[] = { TEGRA210_CLK_HOST1X };
2591 
2592 static struct tegra210_domain_mbist_war tegra210_pg_mbist_war[] = {
2593 	[TEGRA_POWERGATE_VENC] = {
2594 		.handle_lvl2_ovr = tegra210_venc_mbist_war,
2595 		.num_clks = ARRAY_SIZE(venc_slcg_clkids),
2596 		.clk_init_data = venc_slcg_clkids,
2597 	},
2598 	[TEGRA_POWERGATE_SATA] = {
2599 		.handle_lvl2_ovr = tegra210_generic_mbist_war,
2600 		.lvl2_offset = LVL2_CLK_GATE_OVRC,
2601 		.lvl2_mask = BIT(0) | BIT(17) | BIT(19),
2602 	},
2603 	[TEGRA_POWERGATE_MPE] = {
2604 		.handle_lvl2_ovr = tegra210_generic_mbist_war,
2605 		.lvl2_offset = LVL2_CLK_GATE_OVRE,
2606 		.lvl2_mask = BIT(29),
2607 	},
2608 	[TEGRA_POWERGATE_SOR] = {
2609 		.handle_lvl2_ovr = tegra210_generic_mbist_war,
2610 		.num_clks = ARRAY_SIZE(sor_slcg_clkids),
2611 		.clk_init_data = sor_slcg_clkids,
2612 		.lvl2_offset = LVL2_CLK_GATE_OVRA,
2613 		.lvl2_mask = BIT(1) | BIT(2),
2614 	},
2615 	[TEGRA_POWERGATE_DIS] = {
2616 		.handle_lvl2_ovr = tegra210_disp_mbist_war,
2617 		.num_clks = ARRAY_SIZE(disp_slcg_clkids),
2618 		.clk_init_data = disp_slcg_clkids,
2619 	},
2620 	[TEGRA_POWERGATE_DISB] = {
2621 		.num_clks = ARRAY_SIZE(disp_slcg_clkids),
2622 		.clk_init_data = disp_slcg_clkids,
2623 		.handle_lvl2_ovr = tegra210_generic_mbist_war,
2624 		.lvl2_offset = LVL2_CLK_GATE_OVRA,
2625 		.lvl2_mask = BIT(2),
2626 	},
2627 	[TEGRA_POWERGATE_XUSBA] = {
2628 		.num_clks = ARRAY_SIZE(xusba_slcg_clkids),
2629 		.clk_init_data = xusba_slcg_clkids,
2630 		.handle_lvl2_ovr = tegra210_generic_mbist_war,
2631 		.lvl2_offset = LVL2_CLK_GATE_OVRC,
2632 		.lvl2_mask = BIT(30) | BIT(31),
2633 	},
2634 	[TEGRA_POWERGATE_XUSBB] = {
2635 		.num_clks = ARRAY_SIZE(xusbb_slcg_clkids),
2636 		.clk_init_data = xusbb_slcg_clkids,
2637 		.handle_lvl2_ovr = tegra210_generic_mbist_war,
2638 		.lvl2_offset = LVL2_CLK_GATE_OVRC,
2639 		.lvl2_mask = BIT(30) | BIT(31),
2640 	},
2641 	[TEGRA_POWERGATE_XUSBC] = {
2642 		.num_clks = ARRAY_SIZE(xusbc_slcg_clkids),
2643 		.clk_init_data = xusbc_slcg_clkids,
2644 		.handle_lvl2_ovr = tegra210_generic_mbist_war,
2645 		.lvl2_offset = LVL2_CLK_GATE_OVRC,
2646 		.lvl2_mask = BIT(30) | BIT(31),
2647 	},
2648 	[TEGRA_POWERGATE_VIC] = {
2649 		.num_clks = ARRAY_SIZE(vic_slcg_clkids),
2650 		.clk_init_data = vic_slcg_clkids,
2651 		.handle_lvl2_ovr = tegra210_vic_mbist_war,
2652 	},
2653 	[TEGRA_POWERGATE_NVDEC] = {
2654 		.num_clks = ARRAY_SIZE(nvdec_slcg_clkids),
2655 		.clk_init_data = nvdec_slcg_clkids,
2656 		.handle_lvl2_ovr = tegra210_generic_mbist_war,
2657 		.lvl2_offset = LVL2_CLK_GATE_OVRE,
2658 		.lvl2_mask = BIT(9) | BIT(31),
2659 	},
2660 	[TEGRA_POWERGATE_NVJPG] = {
2661 		.num_clks = ARRAY_SIZE(nvjpg_slcg_clkids),
2662 		.clk_init_data = nvjpg_slcg_clkids,
2663 		.handle_lvl2_ovr = tegra210_generic_mbist_war,
2664 		.lvl2_offset = LVL2_CLK_GATE_OVRE,
2665 		.lvl2_mask = BIT(9) | BIT(31),
2666 	},
2667 	[TEGRA_POWERGATE_AUD] = {
2668 		.num_clks = ARRAY_SIZE(ape_slcg_clkids),
2669 		.clk_init_data = ape_slcg_clkids,
2670 		.handle_lvl2_ovr = tegra210_ape_mbist_war,
2671 	},
2672 	[TEGRA_POWERGATE_VE2] = {
2673 		.handle_lvl2_ovr = tegra210_generic_mbist_war,
2674 		.lvl2_offset = LVL2_CLK_GATE_OVRD,
2675 		.lvl2_mask = BIT(22),
2676 	},
2677 };
2678 
tegra210_clk_handle_mbist_war(unsigned int id)2679 int tegra210_clk_handle_mbist_war(unsigned int id)
2680 {
2681 	int err;
2682 	struct tegra210_domain_mbist_war *mbist_war;
2683 
2684 	if (id >= ARRAY_SIZE(tegra210_pg_mbist_war)) {
2685 		WARN(1, "unknown domain id in MBIST WAR handler\n");
2686 		return -EINVAL;
2687 	}
2688 
2689 	mbist_war = &tegra210_pg_mbist_war[id];
2690 	if (!mbist_war->handle_lvl2_ovr)
2691 		return 0;
2692 
2693 	if (mbist_war->num_clks && !mbist_war->clks)
2694 		return -ENODEV;
2695 
2696 	err = clk_bulk_prepare_enable(mbist_war->num_clks, mbist_war->clks);
2697 	if (err < 0)
2698 		return err;
2699 
2700 	mutex_lock(&lvl2_ovr_lock);
2701 
2702 	mbist_war->handle_lvl2_ovr(mbist_war);
2703 
2704 	mutex_unlock(&lvl2_ovr_lock);
2705 
2706 	clk_bulk_disable_unprepare(mbist_war->num_clks, mbist_war->clks);
2707 
2708 	return 0;
2709 }
2710 
tegra210_put_utmipll_in_iddq(void)2711 void tegra210_put_utmipll_in_iddq(void)
2712 {
2713 	u32 reg;
2714 
2715 	reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2716 
2717 	if (reg & UTMIPLL_HW_PWRDN_CFG0_UTMIPLL_LOCK) {
2718 		pr_err("trying to assert IDDQ while UTMIPLL is locked\n");
2719 		return;
2720 	}
2721 
2722 	reg |= UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2723 	writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2724 }
2725 EXPORT_SYMBOL_GPL(tegra210_put_utmipll_in_iddq);
2726 
tegra210_put_utmipll_out_iddq(void)2727 void tegra210_put_utmipll_out_iddq(void)
2728 {
2729 	u32 reg;
2730 
2731 	reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2732 	reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2733 	writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2734 }
2735 EXPORT_SYMBOL_GPL(tegra210_put_utmipll_out_iddq);
2736 
tegra210_utmi_param_configure(void)2737 static void tegra210_utmi_param_configure(void)
2738 {
2739 	u32 reg;
2740 	int i;
2741 
2742 	for (i = 0; i < ARRAY_SIZE(utmi_parameters); i++) {
2743 		if (osc_freq == utmi_parameters[i].osc_frequency)
2744 			break;
2745 	}
2746 
2747 	if (i >= ARRAY_SIZE(utmi_parameters)) {
2748 		pr_err("%s: Unexpected oscillator freq %lu\n", __func__,
2749 			osc_freq);
2750 		return;
2751 	}
2752 
2753 	reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2754 	reg &= ~UTMIPLL_HW_PWRDN_CFG0_IDDQ_OVERRIDE;
2755 	writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2756 
2757 	udelay(10);
2758 
2759 	reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
2760 
2761 	/* Program UTMIP PLL stable and active counts */
2762 	/* [FIXME] arclk_rst.h says WRONG! This should be 1ms -> 0x50 Check! */
2763 	reg &= ~UTMIP_PLL_CFG2_STABLE_COUNT(~0);
2764 	reg |= UTMIP_PLL_CFG2_STABLE_COUNT(utmi_parameters[i].stable_count);
2765 
2766 	reg &= ~UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(~0);
2767 	reg |=
2768 	UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(utmi_parameters[i].active_delay_count);
2769 	writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
2770 
2771 	/* Program UTMIP PLL delay and oscillator frequency counts */
2772 	reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2773 
2774 	reg &= ~UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(~0);
2775 	reg |=
2776 	UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(utmi_parameters[i].enable_delay_count);
2777 
2778 	reg &= ~UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(~0);
2779 	reg |=
2780 	UTMIP_PLL_CFG1_XTAL_FREQ_COUNT(utmi_parameters[i].xtal_freq_count);
2781 
2782 	reg |= UTMIP_PLL_CFG1_FORCE_PLLU_POWERDOWN;
2783 	writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2784 
2785 	/* Remove power downs from UTMIP PLL control bits */
2786 	reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2787 	reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
2788 	reg |= UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
2789 	writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2790 
2791 	udelay(20);
2792 
2793 	/* Enable samplers for SNPS, XUSB_HOST, XUSB_DEV */
2794 	reg = readl_relaxed(clk_base + UTMIP_PLL_CFG2);
2795 	reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERUP;
2796 	reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERUP;
2797 	reg |= UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERUP;
2798 	reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN;
2799 	reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN;
2800 	reg &= ~UTMIP_PLL_CFG2_FORCE_PD_SAMP_D_POWERDOWN;
2801 	writel_relaxed(reg, clk_base + UTMIP_PLL_CFG2);
2802 
2803 	/* Setup HW control of UTMIPLL */
2804 	reg = readl_relaxed(clk_base + UTMIP_PLL_CFG1);
2805 	reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERDOWN;
2806 	reg &= ~UTMIP_PLL_CFG1_FORCE_PLL_ENABLE_POWERUP;
2807 	writel_relaxed(reg, clk_base + UTMIP_PLL_CFG1);
2808 
2809 	reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2810 	reg |= UTMIPLL_HW_PWRDN_CFG0_USE_LOCKDET;
2811 	reg &= ~UTMIPLL_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL;
2812 	writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2813 
2814 	udelay(1);
2815 
2816 	reg = readl_relaxed(clk_base + XUSB_PLL_CFG0);
2817 	reg &= ~XUSB_PLL_CFG0_UTMIPLL_LOCK_DLY;
2818 	writel_relaxed(reg, clk_base + XUSB_PLL_CFG0);
2819 
2820 	udelay(1);
2821 
2822 	/* Enable HW control UTMIPLL */
2823 	reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2824 	reg |= UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE;
2825 	writel_relaxed(reg, clk_base + UTMIPLL_HW_PWRDN_CFG0);
2826 }
2827 
tegra210_enable_pllu(void)2828 static int tegra210_enable_pllu(void)
2829 {
2830 	struct tegra_clk_pll_freq_table *fentry;
2831 	struct tegra_clk_pll pllu;
2832 	u32 reg;
2833 
2834 	for (fentry = pll_u_freq_table; fentry->input_rate; fentry++) {
2835 		if (fentry->input_rate == pll_ref_freq)
2836 			break;
2837 	}
2838 
2839 	if (!fentry->input_rate) {
2840 		pr_err("Unknown PLL_U reference frequency %lu\n", pll_ref_freq);
2841 		return -EINVAL;
2842 	}
2843 
2844 	/* clear IDDQ bit */
2845 	pllu.params = &pll_u_vco_params;
2846 	reg = readl_relaxed(clk_base + pllu.params->ext_misc_reg[0]);
2847 	reg &= ~BIT(pllu.params->iddq_bit_idx);
2848 	writel_relaxed(reg, clk_base + pllu.params->ext_misc_reg[0]);
2849 	udelay(5);
2850 
2851 	reg = readl_relaxed(clk_base + PLLU_BASE);
2852 	reg &= ~GENMASK(20, 0);
2853 	reg |= fentry->m;
2854 	reg |= fentry->n << 8;
2855 	reg |= fentry->p << 16;
2856 	writel(reg, clk_base + PLLU_BASE);
2857 	udelay(1);
2858 	reg |= PLL_ENABLE;
2859 	writel(reg, clk_base + PLLU_BASE);
2860 
2861 	readl_relaxed_poll_timeout_atomic(clk_base + PLLU_BASE, reg,
2862 					  reg & PLL_BASE_LOCK, 2, 1000);
2863 	if (!(reg & PLL_BASE_LOCK)) {
2864 		pr_err("Timed out waiting for PLL_U to lock\n");
2865 		return -ETIMEDOUT;
2866 	}
2867 
2868 	return 0;
2869 }
2870 
tegra210_init_pllu(void)2871 static int tegra210_init_pllu(void)
2872 {
2873 	u32 reg;
2874 	int err;
2875 
2876 	tegra210_pllu_set_defaults(&pll_u_vco_params);
2877 	/* skip initialization when pllu is in hw controlled mode */
2878 	reg = readl_relaxed(clk_base + PLLU_BASE);
2879 	if (reg & PLLU_BASE_OVERRIDE) {
2880 		if (!(reg & PLL_ENABLE)) {
2881 			err = tegra210_enable_pllu();
2882 			if (err < 0) {
2883 				WARN_ON(1);
2884 				return err;
2885 			}
2886 		}
2887 		/* enable hw controlled mode */
2888 		reg = readl_relaxed(clk_base + PLLU_BASE);
2889 		reg &= ~PLLU_BASE_OVERRIDE;
2890 		writel(reg, clk_base + PLLU_BASE);
2891 
2892 		reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0);
2893 		reg |= PLLU_HW_PWRDN_CFG0_IDDQ_PD_INCLUDE |
2894 		       PLLU_HW_PWRDN_CFG0_USE_SWITCH_DETECT |
2895 		       PLLU_HW_PWRDN_CFG0_USE_LOCKDET;
2896 		reg &= ~(PLLU_HW_PWRDN_CFG0_CLK_ENABLE_SWCTL |
2897 			PLLU_HW_PWRDN_CFG0_CLK_SWITCH_SWCTL);
2898 		writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0);
2899 
2900 		reg = readl_relaxed(clk_base + XUSB_PLL_CFG0);
2901 		reg &= ~XUSB_PLL_CFG0_PLLU_LOCK_DLY_MASK;
2902 		writel_relaxed(reg, clk_base + XUSB_PLL_CFG0);
2903 		udelay(1);
2904 
2905 		reg = readl_relaxed(clk_base + PLLU_HW_PWRDN_CFG0);
2906 		reg |= PLLU_HW_PWRDN_CFG0_SEQ_ENABLE;
2907 		writel_relaxed(reg, clk_base + PLLU_HW_PWRDN_CFG0);
2908 		udelay(1);
2909 
2910 		reg = readl_relaxed(clk_base + PLLU_BASE);
2911 		reg &= ~PLLU_BASE_CLKENABLE_USB;
2912 		writel_relaxed(reg, clk_base + PLLU_BASE);
2913 	}
2914 
2915 	/* enable UTMIPLL hw control if not yet done by the bootloader */
2916 	reg = readl_relaxed(clk_base + UTMIPLL_HW_PWRDN_CFG0);
2917 	if (!(reg & UTMIPLL_HW_PWRDN_CFG0_SEQ_ENABLE))
2918 		tegra210_utmi_param_configure();
2919 
2920 	return 0;
2921 }
2922 
2923 static const char * const sor1_out_parents[] = {
2924 	/*
2925 	 * Bit 0 of the mux selects sor1_pad_clkout, irrespective of bit 1, so
2926 	 * the sor1_pad_clkout parent appears twice in the list below. This is
2927 	 * merely to support clk_get_parent() if firmware happened to set
2928 	 * these bits to 0b11. While not an invalid setting, code should
2929 	 * always set the bits to 0b01 to select sor1_pad_clkout.
2930 	 */
2931 	"sor_safe", "sor1_pad_clkout", "sor1", "sor1_pad_clkout",
2932 };
2933 
2934 static const char * const sor1_parents[] = {
2935 	"pll_p", "pll_d_out0", "pll_d2_out0", "clk_m",
2936 };
2937 
2938 static u32 sor1_parents_idx[] = { 0, 2, 5, 6 };
2939 
2940 static struct tegra_periph_init_data tegra210_periph[] = {
2941 	TEGRA_INIT_DATA_TABLE("sor1", NULL, NULL, sor1_parents,
2942 			      CLK_SOURCE_SOR1, 29, 0x7, 0, 0, 8, 1,
2943 			      TEGRA_DIVIDER_ROUND_UP, 183, 0, tegra_clk_sor1,
2944 			      sor1_parents_idx, 0, &sor1_lock),
2945 };
2946 
2947 static const char * const la_parents[] = {
2948 	"pll_p", "pll_c2", "pll_c", "pll_c3", "pll_re_out1", "pll_a1", "clk_m", "pll_c4_out0"
2949 };
2950 
2951 static struct tegra_clk_periph tegra210_la =
2952 	TEGRA_CLK_PERIPH(29, 7, 9, 0, 8, 1, TEGRA_DIVIDER_ROUND_UP, 76, 0, NULL, 0);
2953 
tegra210_periph_clk_init(void __iomem * clk_base,void __iomem * pmc_base)2954 static __init void tegra210_periph_clk_init(void __iomem *clk_base,
2955 					    void __iomem *pmc_base)
2956 {
2957 	struct clk *clk;
2958 	unsigned int i;
2959 
2960 	/* xusb_ss_div2 */
2961 	clk = clk_register_fixed_factor(NULL, "xusb_ss_div2", "xusb_ss_src", 0,
2962 					1, 2);
2963 	clks[TEGRA210_CLK_XUSB_SS_DIV2] = clk;
2964 
2965 	clk = tegra_clk_register_periph_fixed("sor_safe", "pll_p", 0, clk_base,
2966 					      1, 17, 222);
2967 	clks[TEGRA210_CLK_SOR_SAFE] = clk;
2968 
2969 	clk = tegra_clk_register_periph_fixed("dpaux", "sor_safe", 0, clk_base,
2970 					      1, 17, 181);
2971 	clks[TEGRA210_CLK_DPAUX] = clk;
2972 
2973 	clk = tegra_clk_register_periph_fixed("dpaux1", "sor_safe", 0, clk_base,
2974 					      1, 17, 207);
2975 	clks[TEGRA210_CLK_DPAUX1] = clk;
2976 
2977 	clk = clk_register_mux_table(NULL, "sor1_out", sor1_out_parents,
2978 				     ARRAY_SIZE(sor1_out_parents), 0,
2979 				     clk_base + CLK_SOURCE_SOR1, 14, 0x3,
2980 				     0, NULL, &sor1_lock);
2981 	clks[TEGRA210_CLK_SOR1_OUT] = clk;
2982 
2983 	/* pll_d_dsi_out */
2984 	clk = clk_register_gate(NULL, "pll_d_dsi_out", "pll_d_out0", 0,
2985 				clk_base + PLLD_MISC0, 21, 0, &pll_d_lock);
2986 	clks[TEGRA210_CLK_PLL_D_DSI_OUT] = clk;
2987 
2988 	/* dsia */
2989 	clk = tegra_clk_register_periph_gate("dsia", "pll_d_dsi_out", 0,
2990 					     clk_base, 0, 48,
2991 					     periph_clk_enb_refcnt);
2992 	clks[TEGRA210_CLK_DSIA] = clk;
2993 
2994 	/* dsib */
2995 	clk = tegra_clk_register_periph_gate("dsib", "pll_d_dsi_out", 0,
2996 					     clk_base, 0, 82,
2997 					     periph_clk_enb_refcnt);
2998 	clks[TEGRA210_CLK_DSIB] = clk;
2999 
3000 	/* la */
3001 	clk = tegra_clk_register_periph("la", la_parents,
3002 			ARRAY_SIZE(la_parents), &tegra210_la, clk_base,
3003 			CLK_SOURCE_LA, 0);
3004 	clks[TEGRA210_CLK_LA] = clk;
3005 
3006 	/* emc mux */
3007 	clk = clk_register_mux(NULL, "emc_mux", mux_pllmcp_clkm,
3008 			       ARRAY_SIZE(mux_pllmcp_clkm), 0,
3009 			       clk_base + CLK_SOURCE_EMC,
3010 			       29, 3, 0, &emc_lock);
3011 
3012 	clk = tegra_clk_register_mc("mc", "emc_mux", clk_base + CLK_SOURCE_EMC,
3013 				    &emc_lock);
3014 	clks[TEGRA210_CLK_MC] = clk;
3015 
3016 	/* cml0 */
3017 	clk = clk_register_gate(NULL, "cml0", "pll_e", 0, clk_base + PLLE_AUX,
3018 				0, 0, &pll_e_lock);
3019 	clk_register_clkdev(clk, "cml0", NULL);
3020 	clks[TEGRA210_CLK_CML0] = clk;
3021 
3022 	/* cml1 */
3023 	clk = clk_register_gate(NULL, "cml1", "pll_e", 0, clk_base + PLLE_AUX,
3024 				1, 0, &pll_e_lock);
3025 	clk_register_clkdev(clk, "cml1", NULL);
3026 	clks[TEGRA210_CLK_CML1] = clk;
3027 
3028 	clk = tegra_clk_register_super_clk("aclk", aclk_parents,
3029 				ARRAY_SIZE(aclk_parents), 0, clk_base + 0x6e0,
3030 				0, NULL);
3031 	clks[TEGRA210_CLK_ACLK] = clk;
3032 
3033 	clk = tegra_clk_register_sdmmc_mux_div("sdmmc2", clk_base,
3034 					    CLK_SOURCE_SDMMC2, 9,
3035 					    TEGRA_DIVIDER_ROUND_UP, 0, NULL);
3036 	clks[TEGRA210_CLK_SDMMC2] = clk;
3037 
3038 	clk = tegra_clk_register_sdmmc_mux_div("sdmmc4", clk_base,
3039 					    CLK_SOURCE_SDMMC4, 15,
3040 					    TEGRA_DIVIDER_ROUND_UP, 0, NULL);
3041 	clks[TEGRA210_CLK_SDMMC4] = clk;
3042 
3043 	for (i = 0; i < ARRAY_SIZE(tegra210_periph); i++) {
3044 		struct tegra_periph_init_data *init = &tegra210_periph[i];
3045 		struct clk **clkp;
3046 
3047 		clkp = tegra_lookup_dt_id(init->clk_id, tegra210_clks);
3048 		if (!clkp) {
3049 			pr_warn("clock %u not found\n", init->clk_id);
3050 			continue;
3051 		}
3052 
3053 		clk = tegra_clk_register_periph_data(clk_base, init);
3054 		*clkp = clk;
3055 	}
3056 
3057 	tegra_periph_clk_init(clk_base, pmc_base, tegra210_clks, &pll_p_params);
3058 }
3059 
tegra210_pll_init(void __iomem * clk_base,void __iomem * pmc)3060 static void __init tegra210_pll_init(void __iomem *clk_base,
3061 				     void __iomem *pmc)
3062 {
3063 	struct clk *clk;
3064 
3065 	/* PLLC */
3066 	clk = tegra_clk_register_pllc_tegra210("pll_c", "pll_ref", clk_base,
3067 			pmc, 0, &pll_c_params, NULL);
3068 	if (!WARN_ON(IS_ERR(clk)))
3069 		clk_register_clkdev(clk, "pll_c", NULL);
3070 	clks[TEGRA210_CLK_PLL_C] = clk;
3071 
3072 	/* PLLC_OUT1 */
3073 	clk = tegra_clk_register_divider("pll_c_out1_div", "pll_c",
3074 			clk_base + PLLC_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
3075 			8, 8, 1, NULL);
3076 	clk = tegra_clk_register_pll_out("pll_c_out1", "pll_c_out1_div",
3077 				clk_base + PLLC_OUT, 1, 0,
3078 				CLK_SET_RATE_PARENT, 0, NULL);
3079 	clk_register_clkdev(clk, "pll_c_out1", NULL);
3080 	clks[TEGRA210_CLK_PLL_C_OUT1] = clk;
3081 
3082 	/* PLLC_UD */
3083 	clk = clk_register_fixed_factor(NULL, "pll_c_ud", "pll_c",
3084 					CLK_SET_RATE_PARENT, 1, 1);
3085 	clk_register_clkdev(clk, "pll_c_ud", NULL);
3086 	clks[TEGRA210_CLK_PLL_C_UD] = clk;
3087 
3088 	/* PLLC2 */
3089 	clk = tegra_clk_register_pllc_tegra210("pll_c2", "pll_ref", clk_base,
3090 			     pmc, 0, &pll_c2_params, NULL);
3091 	clk_register_clkdev(clk, "pll_c2", NULL);
3092 	clks[TEGRA210_CLK_PLL_C2] = clk;
3093 
3094 	/* PLLC3 */
3095 	clk = tegra_clk_register_pllc_tegra210("pll_c3", "pll_ref", clk_base,
3096 			     pmc, 0, &pll_c3_params, NULL);
3097 	clk_register_clkdev(clk, "pll_c3", NULL);
3098 	clks[TEGRA210_CLK_PLL_C3] = clk;
3099 
3100 	/* PLLM */
3101 	clk = tegra_clk_register_pllm("pll_m", "osc", clk_base, pmc,
3102 			     CLK_SET_RATE_GATE, &pll_m_params, NULL);
3103 	clk_register_clkdev(clk, "pll_m", NULL);
3104 	clks[TEGRA210_CLK_PLL_M] = clk;
3105 
3106 	/* PLLMB */
3107 	clk = tegra_clk_register_pllmb("pll_mb", "osc", clk_base, pmc,
3108 			     CLK_SET_RATE_GATE, &pll_mb_params, NULL);
3109 	clk_register_clkdev(clk, "pll_mb", NULL);
3110 	clks[TEGRA210_CLK_PLL_MB] = clk;
3111 
3112 	/* PLLM_UD */
3113 	clk = clk_register_fixed_factor(NULL, "pll_m_ud", "pll_m",
3114 					CLK_SET_RATE_PARENT, 1, 1);
3115 	clk_register_clkdev(clk, "pll_m_ud", NULL);
3116 	clks[TEGRA210_CLK_PLL_M_UD] = clk;
3117 
3118 	/* PLLU_VCO */
3119 	if (!tegra210_init_pllu()) {
3120 		clk = clk_register_fixed_rate(NULL, "pll_u_vco", "pll_ref", 0,
3121 					      480*1000*1000);
3122 		clk_register_clkdev(clk, "pll_u_vco", NULL);
3123 		clks[TEGRA210_CLK_PLL_U] = clk;
3124 	}
3125 
3126 	/* PLLU_OUT */
3127 	clk = clk_register_divider_table(NULL, "pll_u_out", "pll_u_vco", 0,
3128 					 clk_base + PLLU_BASE, 16, 4, 0,
3129 					 pll_vco_post_div_table, NULL);
3130 	clk_register_clkdev(clk, "pll_u_out", NULL);
3131 	clks[TEGRA210_CLK_PLL_U_OUT] = clk;
3132 
3133 	/* PLLU_OUT1 */
3134 	clk = tegra_clk_register_divider("pll_u_out1_div", "pll_u_out",
3135 				clk_base + PLLU_OUTA, 0,
3136 				TEGRA_DIVIDER_ROUND_UP,
3137 				8, 8, 1, &pll_u_lock);
3138 	clk = tegra_clk_register_pll_out("pll_u_out1", "pll_u_out1_div",
3139 				clk_base + PLLU_OUTA, 1, 0,
3140 				CLK_SET_RATE_PARENT, 0, &pll_u_lock);
3141 	clk_register_clkdev(clk, "pll_u_out1", NULL);
3142 	clks[TEGRA210_CLK_PLL_U_OUT1] = clk;
3143 
3144 	/* PLLU_OUT2 */
3145 	clk = tegra_clk_register_divider("pll_u_out2_div", "pll_u_out",
3146 				clk_base + PLLU_OUTA, 0,
3147 				TEGRA_DIVIDER_ROUND_UP,
3148 				24, 8, 1, &pll_u_lock);
3149 	clk = tegra_clk_register_pll_out("pll_u_out2", "pll_u_out2_div",
3150 				clk_base + PLLU_OUTA, 17, 16,
3151 				CLK_SET_RATE_PARENT, 0, &pll_u_lock);
3152 	clk_register_clkdev(clk, "pll_u_out2", NULL);
3153 	clks[TEGRA210_CLK_PLL_U_OUT2] = clk;
3154 
3155 	/* PLLU_480M */
3156 	clk = clk_register_gate(NULL, "pll_u_480M", "pll_u_vco",
3157 				CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
3158 				22, 0, &pll_u_lock);
3159 	clk_register_clkdev(clk, "pll_u_480M", NULL);
3160 	clks[TEGRA210_CLK_PLL_U_480M] = clk;
3161 
3162 	/* PLLU_60M */
3163 	clk = clk_register_gate(NULL, "pll_u_60M", "pll_u_out2",
3164 				CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
3165 				23, 0, &pll_u_lock);
3166 	clk_register_clkdev(clk, "pll_u_60M", NULL);
3167 	clks[TEGRA210_CLK_PLL_U_60M] = clk;
3168 
3169 	/* PLLU_48M */
3170 	clk = clk_register_gate(NULL, "pll_u_48M", "pll_u_out1",
3171 				CLK_SET_RATE_PARENT, clk_base + PLLU_BASE,
3172 				25, 0, &pll_u_lock);
3173 	clk_register_clkdev(clk, "pll_u_48M", NULL);
3174 	clks[TEGRA210_CLK_PLL_U_48M] = clk;
3175 
3176 	/* PLLD */
3177 	clk = tegra_clk_register_pll("pll_d", "pll_ref", clk_base, pmc, 0,
3178 			    &pll_d_params, &pll_d_lock);
3179 	clk_register_clkdev(clk, "pll_d", NULL);
3180 	clks[TEGRA210_CLK_PLL_D] = clk;
3181 
3182 	/* PLLD_OUT0 */
3183 	clk = clk_register_fixed_factor(NULL, "pll_d_out0", "pll_d",
3184 					CLK_SET_RATE_PARENT, 1, 2);
3185 	clk_register_clkdev(clk, "pll_d_out0", NULL);
3186 	clks[TEGRA210_CLK_PLL_D_OUT0] = clk;
3187 
3188 	/* PLLRE */
3189 	clk = tegra_clk_register_pllre_tegra210("pll_re_vco", "pll_ref",
3190 						clk_base, pmc, 0,
3191 						&pll_re_vco_params,
3192 						&pll_re_lock, pll_ref_freq);
3193 	clk_register_clkdev(clk, "pll_re_vco", NULL);
3194 	clks[TEGRA210_CLK_PLL_RE_VCO] = clk;
3195 
3196 	clk = clk_register_divider_table(NULL, "pll_re_out", "pll_re_vco", 0,
3197 					 clk_base + PLLRE_BASE, 16, 5, 0,
3198 					 pll_vco_post_div_table, &pll_re_lock);
3199 	clk_register_clkdev(clk, "pll_re_out", NULL);
3200 	clks[TEGRA210_CLK_PLL_RE_OUT] = clk;
3201 
3202 	clk = tegra_clk_register_divider("pll_re_out1_div", "pll_re_vco",
3203 					 clk_base + PLLRE_OUT1, 0,
3204 					 TEGRA_DIVIDER_ROUND_UP,
3205 					 8, 8, 1, NULL);
3206 	clk = tegra_clk_register_pll_out("pll_re_out1", "pll_re_out1_div",
3207 					 clk_base + PLLRE_OUT1, 1, 0,
3208 					 CLK_SET_RATE_PARENT, 0, NULL);
3209 	clks[TEGRA210_CLK_PLL_RE_OUT1] = clk;
3210 
3211 	/* PLLE */
3212 	clk = tegra_clk_register_plle_tegra210("pll_e", "pll_ref",
3213 				      clk_base, 0, &pll_e_params, NULL);
3214 	clk_register_clkdev(clk, "pll_e", NULL);
3215 	clks[TEGRA210_CLK_PLL_E] = clk;
3216 
3217 	/* PLLC4 */
3218 	clk = tegra_clk_register_pllre("pll_c4_vco", "pll_ref", clk_base, pmc,
3219 			     0, &pll_c4_vco_params, NULL, pll_ref_freq);
3220 	clk_register_clkdev(clk, "pll_c4_vco", NULL);
3221 	clks[TEGRA210_CLK_PLL_C4] = clk;
3222 
3223 	/* PLLC4_OUT0 */
3224 	clk = clk_register_divider_table(NULL, "pll_c4_out0", "pll_c4_vco", 0,
3225 					 clk_base + PLLC4_BASE, 19, 4, 0,
3226 					 pll_vco_post_div_table, NULL);
3227 	clk_register_clkdev(clk, "pll_c4_out0", NULL);
3228 	clks[TEGRA210_CLK_PLL_C4_OUT0] = clk;
3229 
3230 	/* PLLC4_OUT1 */
3231 	clk = clk_register_fixed_factor(NULL, "pll_c4_out1", "pll_c4_vco",
3232 					CLK_SET_RATE_PARENT, 1, 3);
3233 	clk_register_clkdev(clk, "pll_c4_out1", NULL);
3234 	clks[TEGRA210_CLK_PLL_C4_OUT1] = clk;
3235 
3236 	/* PLLC4_OUT2 */
3237 	clk = clk_register_fixed_factor(NULL, "pll_c4_out2", "pll_c4_vco",
3238 					CLK_SET_RATE_PARENT, 1, 5);
3239 	clk_register_clkdev(clk, "pll_c4_out2", NULL);
3240 	clks[TEGRA210_CLK_PLL_C4_OUT2] = clk;
3241 
3242 	/* PLLC4_OUT3 */
3243 	clk = tegra_clk_register_divider("pll_c4_out3_div", "pll_c4_out0",
3244 			clk_base + PLLC4_OUT, 0, TEGRA_DIVIDER_ROUND_UP,
3245 			8, 8, 1, NULL);
3246 	clk = tegra_clk_register_pll_out("pll_c4_out3", "pll_c4_out3_div",
3247 				clk_base + PLLC4_OUT, 1, 0,
3248 				CLK_SET_RATE_PARENT, 0, NULL);
3249 	clk_register_clkdev(clk, "pll_c4_out3", NULL);
3250 	clks[TEGRA210_CLK_PLL_C4_OUT3] = clk;
3251 
3252 	/* PLLDP */
3253 	clk = tegra_clk_register_pllss_tegra210("pll_dp", "pll_ref", clk_base,
3254 					0, &pll_dp_params, NULL);
3255 	clk_register_clkdev(clk, "pll_dp", NULL);
3256 	clks[TEGRA210_CLK_PLL_DP] = clk;
3257 
3258 	/* PLLD2 */
3259 	clk = tegra_clk_register_pllss_tegra210("pll_d2", "pll_ref", clk_base,
3260 					0, &pll_d2_params, NULL);
3261 	clk_register_clkdev(clk, "pll_d2", NULL);
3262 	clks[TEGRA210_CLK_PLL_D2] = clk;
3263 
3264 	/* PLLD2_OUT0 */
3265 	clk = clk_register_fixed_factor(NULL, "pll_d2_out0", "pll_d2",
3266 					CLK_SET_RATE_PARENT, 1, 1);
3267 	clk_register_clkdev(clk, "pll_d2_out0", NULL);
3268 	clks[TEGRA210_CLK_PLL_D2_OUT0] = clk;
3269 
3270 	/* PLLP_OUT2 */
3271 	clk = clk_register_fixed_factor(NULL, "pll_p_out2", "pll_p",
3272 					CLK_SET_RATE_PARENT, 1, 2);
3273 	clk_register_clkdev(clk, "pll_p_out2", NULL);
3274 	clks[TEGRA210_CLK_PLL_P_OUT2] = clk;
3275 
3276 }
3277 
3278 /* Tegra210 CPU clock and reset control functions */
tegra210_wait_cpu_in_reset(u32 cpu)3279 static void tegra210_wait_cpu_in_reset(u32 cpu)
3280 {
3281 	unsigned int reg;
3282 
3283 	do {
3284 		reg = readl(clk_base + CLK_RST_CONTROLLER_CPU_CMPLX_STATUS);
3285 		cpu_relax();
3286 	} while (!(reg & (1 << cpu)));  /* check CPU been reset or not */
3287 }
3288 
tegra210_disable_cpu_clock(u32 cpu)3289 static void tegra210_disable_cpu_clock(u32 cpu)
3290 {
3291 	/* flow controller would take care in the power sequence. */
3292 }
3293 
3294 #ifdef CONFIG_PM_SLEEP
tegra210_cpu_clock_suspend(void)3295 static void tegra210_cpu_clock_suspend(void)
3296 {
3297 	/* switch coresite to clk_m, save off original source */
3298 	tegra210_cpu_clk_sctx.clk_csite_src =
3299 				readl(clk_base + CLK_SOURCE_CSITE);
3300 	writel(3 << 30, clk_base + CLK_SOURCE_CSITE);
3301 }
3302 
tegra210_cpu_clock_resume(void)3303 static void tegra210_cpu_clock_resume(void)
3304 {
3305 	writel(tegra210_cpu_clk_sctx.clk_csite_src,
3306 				clk_base + CLK_SOURCE_CSITE);
3307 }
3308 #endif
3309 
3310 static struct tegra_cpu_car_ops tegra210_cpu_car_ops = {
3311 	.wait_for_reset	= tegra210_wait_cpu_in_reset,
3312 	.disable_clock	= tegra210_disable_cpu_clock,
3313 #ifdef CONFIG_PM_SLEEP
3314 	.suspend	= tegra210_cpu_clock_suspend,
3315 	.resume		= tegra210_cpu_clock_resume,
3316 #endif
3317 };
3318 
3319 static const struct of_device_id pmc_match[] __initconst = {
3320 	{ .compatible = "nvidia,tegra210-pmc" },
3321 	{ },
3322 };
3323 
3324 static struct tegra_clk_init_table init_table[] __initdata = {
3325 	{ TEGRA210_CLK_UARTA, TEGRA210_CLK_PLL_P, 408000000, 0 },
3326 	{ TEGRA210_CLK_UARTB, TEGRA210_CLK_PLL_P, 408000000, 0 },
3327 	{ TEGRA210_CLK_UARTC, TEGRA210_CLK_PLL_P, 408000000, 0 },
3328 	{ TEGRA210_CLK_UARTD, TEGRA210_CLK_PLL_P, 408000000, 0 },
3329 	{ TEGRA210_CLK_PLL_A, TEGRA210_CLK_CLK_MAX, 564480000, 1 },
3330 	{ TEGRA210_CLK_PLL_A_OUT0, TEGRA210_CLK_CLK_MAX, 11289600, 1 },
3331 	{ TEGRA210_CLK_EXTERN1, TEGRA210_CLK_PLL_A_OUT0, 0, 1 },
3332 	{ TEGRA210_CLK_CLK_OUT_1_MUX, TEGRA210_CLK_EXTERN1, 0, 1 },
3333 	{ TEGRA210_CLK_CLK_OUT_1, TEGRA210_CLK_CLK_MAX, 0, 1 },
3334 	{ TEGRA210_CLK_I2S0, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3335 	{ TEGRA210_CLK_I2S1, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3336 	{ TEGRA210_CLK_I2S2, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3337 	{ TEGRA210_CLK_I2S3, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3338 	{ TEGRA210_CLK_I2S4, TEGRA210_CLK_PLL_A_OUT0, 11289600, 0 },
3339 	{ TEGRA210_CLK_HOST1X, TEGRA210_CLK_PLL_P, 136000000, 1 },
3340 	{ TEGRA210_CLK_SCLK_MUX, TEGRA210_CLK_PLL_P, 0, 1 },
3341 	{ TEGRA210_CLK_SCLK, TEGRA210_CLK_CLK_MAX, 102000000, 0 },
3342 	{ TEGRA210_CLK_DFLL_SOC, TEGRA210_CLK_PLL_P, 51000000, 1 },
3343 	{ TEGRA210_CLK_DFLL_REF, TEGRA210_CLK_PLL_P, 51000000, 1 },
3344 	{ TEGRA210_CLK_SBC4, TEGRA210_CLK_PLL_P, 12000000, 1 },
3345 	{ TEGRA210_CLK_PLL_RE_VCO, TEGRA210_CLK_CLK_MAX, 672000000, 1 },
3346 	{ TEGRA210_CLK_PLL_U_OUT1, TEGRA210_CLK_CLK_MAX, 48000000, 1 },
3347 	{ TEGRA210_CLK_XUSB_GATE, TEGRA210_CLK_CLK_MAX, 0, 1 },
3348 	{ TEGRA210_CLK_XUSB_SS_SRC, TEGRA210_CLK_PLL_U_480M, 120000000, 0 },
3349 	{ TEGRA210_CLK_XUSB_FS_SRC, TEGRA210_CLK_PLL_U_48M, 48000000, 0 },
3350 	{ TEGRA210_CLK_XUSB_HS_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 },
3351 	{ TEGRA210_CLK_XUSB_SSP_SRC, TEGRA210_CLK_XUSB_SS_SRC, 120000000, 0 },
3352 	{ TEGRA210_CLK_XUSB_FALCON_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 204000000, 0 },
3353 	{ TEGRA210_CLK_XUSB_HOST_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 },
3354 	{ TEGRA210_CLK_XUSB_DEV_SRC, TEGRA210_CLK_PLL_P_OUT_XUSB, 102000000, 0 },
3355 	{ TEGRA210_CLK_SATA, TEGRA210_CLK_PLL_P, 104000000, 0 },
3356 	{ TEGRA210_CLK_SATA_OOB, TEGRA210_CLK_PLL_P, 204000000, 0 },
3357 	{ TEGRA210_CLK_MSELECT, TEGRA210_CLK_CLK_MAX, 0, 1 },
3358 	{ TEGRA210_CLK_CSITE, TEGRA210_CLK_CLK_MAX, 0, 1 },
3359 	/* TODO find a way to enable this on-demand */
3360 	{ TEGRA210_CLK_DBGAPB, TEGRA210_CLK_CLK_MAX, 0, 1 },
3361 	{ TEGRA210_CLK_TSENSOR, TEGRA210_CLK_CLK_M, 400000, 0 },
3362 	{ TEGRA210_CLK_I2C1, TEGRA210_CLK_PLL_P, 0, 0 },
3363 	{ TEGRA210_CLK_I2C2, TEGRA210_CLK_PLL_P, 0, 0 },
3364 	{ TEGRA210_CLK_I2C3, TEGRA210_CLK_PLL_P, 0, 0 },
3365 	{ TEGRA210_CLK_I2C4, TEGRA210_CLK_PLL_P, 0, 0 },
3366 	{ TEGRA210_CLK_I2C5, TEGRA210_CLK_PLL_P, 0, 0 },
3367 	{ TEGRA210_CLK_I2C6, TEGRA210_CLK_PLL_P, 0, 0 },
3368 	{ TEGRA210_CLK_PLL_DP, TEGRA210_CLK_CLK_MAX, 270000000, 0 },
3369 	{ TEGRA210_CLK_SOC_THERM, TEGRA210_CLK_PLL_P, 51000000, 0 },
3370 	{ TEGRA210_CLK_CCLK_G, TEGRA210_CLK_CLK_MAX, 0, 1 },
3371 	{ TEGRA210_CLK_PLL_U_OUT2, TEGRA210_CLK_CLK_MAX, 60000000, 1 },
3372 	{ TEGRA210_CLK_SPDIF_IN_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3373 	{ TEGRA210_CLK_I2S0_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3374 	{ TEGRA210_CLK_I2S1_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3375 	{ TEGRA210_CLK_I2S2_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3376 	{ TEGRA210_CLK_I2S3_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3377 	{ TEGRA210_CLK_I2S4_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3378 	{ TEGRA210_CLK_VIMCLK_SYNC, TEGRA210_CLK_CLK_MAX, 24576000, 0 },
3379 	{ TEGRA210_CLK_HDA, TEGRA210_CLK_PLL_P, 51000000, 0 },
3380 	{ TEGRA210_CLK_HDA2CODEC_2X, TEGRA210_CLK_PLL_P, 48000000, 0 },
3381 	/* This MUST be the last entry. */
3382 	{ TEGRA210_CLK_CLK_MAX, TEGRA210_CLK_CLK_MAX, 0, 0 },
3383 };
3384 
3385 /**
3386  * tegra210_clock_apply_init_table - initialize clocks on Tegra210 SoCs
3387  *
3388  * Program an initial clock rate and enable or disable clocks needed
3389  * by the rest of the kernel, for Tegra210 SoCs.  It is intended to be
3390  * called by assigning a pointer to it to tegra_clk_apply_init_table -
3391  * this will be called as an arch_initcall.  No return value.
3392  */
tegra210_clock_apply_init_table(void)3393 static void __init tegra210_clock_apply_init_table(void)
3394 {
3395 	tegra_init_from_table(init_table, clks, TEGRA210_CLK_CLK_MAX);
3396 }
3397 
3398 /**
3399  * tegra210_car_barrier - wait for pending writes to the CAR to complete
3400  *
3401  * Wait for any outstanding writes to the CAR MMIO space from this CPU
3402  * to complete before continuing execution.  No return value.
3403  */
tegra210_car_barrier(void)3404 static void tegra210_car_barrier(void)
3405 {
3406 	readl_relaxed(clk_base + RST_DFLL_DVCO);
3407 }
3408 
3409 /**
3410  * tegra210_clock_assert_dfll_dvco_reset - assert the DFLL's DVCO reset
3411  *
3412  * Assert the reset line of the DFLL's DVCO.  No return value.
3413  */
tegra210_clock_assert_dfll_dvco_reset(void)3414 static void tegra210_clock_assert_dfll_dvco_reset(void)
3415 {
3416 	u32 v;
3417 
3418 	v = readl_relaxed(clk_base + RST_DFLL_DVCO);
3419 	v |= (1 << DVFS_DFLL_RESET_SHIFT);
3420 	writel_relaxed(v, clk_base + RST_DFLL_DVCO);
3421 	tegra210_car_barrier();
3422 }
3423 
3424 /**
3425  * tegra210_clock_deassert_dfll_dvco_reset - deassert the DFLL's DVCO reset
3426  *
3427  * Deassert the reset line of the DFLL's DVCO, allowing the DVCO to
3428  * operate.  No return value.
3429  */
tegra210_clock_deassert_dfll_dvco_reset(void)3430 static void tegra210_clock_deassert_dfll_dvco_reset(void)
3431 {
3432 	u32 v;
3433 
3434 	v = readl_relaxed(clk_base + RST_DFLL_DVCO);
3435 	v &= ~(1 << DVFS_DFLL_RESET_SHIFT);
3436 	writel_relaxed(v, clk_base + RST_DFLL_DVCO);
3437 	tegra210_car_barrier();
3438 }
3439 
tegra210_reset_assert(unsigned long id)3440 static int tegra210_reset_assert(unsigned long id)
3441 {
3442 	if (id == TEGRA210_RST_DFLL_DVCO)
3443 		tegra210_clock_assert_dfll_dvco_reset();
3444 	else if (id == TEGRA210_RST_ADSP)
3445 		writel(GENMASK(26, 21) | BIT(7),
3446 			clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_SET);
3447 	else
3448 		return -EINVAL;
3449 
3450 	return 0;
3451 }
3452 
tegra210_reset_deassert(unsigned long id)3453 static int tegra210_reset_deassert(unsigned long id)
3454 {
3455 	if (id == TEGRA210_RST_DFLL_DVCO)
3456 		tegra210_clock_deassert_dfll_dvco_reset();
3457 	else if (id == TEGRA210_RST_ADSP) {
3458 		writel(BIT(21), clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR);
3459 		/*
3460 		 * Considering adsp cpu clock (min: 12.5MHZ, max: 1GHz)
3461 		 * a delay of 5us ensures that it's at least
3462 		 * 6 * adsp_cpu_cycle_period long.
3463 		 */
3464 		udelay(5);
3465 		writel(GENMASK(26, 22) | BIT(7),
3466 			clk_base + CLK_RST_CONTROLLER_RST_DEV_Y_CLR);
3467 	} else
3468 		return -EINVAL;
3469 
3470 	return 0;
3471 }
3472 
tegra210_mbist_clk_init(void)3473 static void tegra210_mbist_clk_init(void)
3474 {
3475 	unsigned int i, j;
3476 
3477 	for (i = 0; i < ARRAY_SIZE(tegra210_pg_mbist_war); i++) {
3478 		unsigned int num_clks = tegra210_pg_mbist_war[i].num_clks;
3479 		struct clk_bulk_data *clk_data;
3480 
3481 		if (!num_clks)
3482 			continue;
3483 
3484 		clk_data = kmalloc_array(num_clks, sizeof(*clk_data),
3485 					 GFP_KERNEL);
3486 		if (WARN_ON(!clk_data))
3487 			return;
3488 
3489 		tegra210_pg_mbist_war[i].clks = clk_data;
3490 		for (j = 0; j < num_clks; j++) {
3491 			int clk_id = tegra210_pg_mbist_war[i].clk_init_data[j];
3492 			struct clk *clk = clks[clk_id];
3493 
3494 			if (WARN(IS_ERR(clk), "clk_id: %d\n", clk_id)) {
3495 				kfree(clk_data);
3496 				tegra210_pg_mbist_war[i].clks = NULL;
3497 				break;
3498 			}
3499 			clk_data[j].clk = clk;
3500 		}
3501 	}
3502 }
3503 
3504 /**
3505  * tegra210_clock_init - Tegra210-specific clock initialization
3506  * @np: struct device_node * of the DT node for the SoC CAR IP block
3507  *
3508  * Register most SoC clocks for the Tegra210 system-on-chip.  Intended
3509  * to be called by the OF init code when a DT node with the
3510  * "nvidia,tegra210-car" string is encountered, and declared with
3511  * CLK_OF_DECLARE.  No return value.
3512  */
tegra210_clock_init(struct device_node * np)3513 static void __init tegra210_clock_init(struct device_node *np)
3514 {
3515 	struct device_node *node;
3516 	u32 value, clk_m_div;
3517 
3518 	clk_base = of_iomap(np, 0);
3519 	if (!clk_base) {
3520 		pr_err("ioremap tegra210 CAR failed\n");
3521 		return;
3522 	}
3523 
3524 	node = of_find_matching_node(NULL, pmc_match);
3525 	if (!node) {
3526 		pr_err("Failed to find pmc node\n");
3527 		WARN_ON(1);
3528 		return;
3529 	}
3530 
3531 	pmc_base = of_iomap(node, 0);
3532 	of_node_put(node);
3533 	if (!pmc_base) {
3534 		pr_err("Can't map pmc registers\n");
3535 		WARN_ON(1);
3536 		return;
3537 	}
3538 
3539 	ahub_base = ioremap(TEGRA210_AHUB_BASE, SZ_64K);
3540 	if (!ahub_base) {
3541 		pr_err("ioremap tegra210 APE failed\n");
3542 		return;
3543 	}
3544 
3545 	dispa_base = ioremap(TEGRA210_DISPA_BASE, SZ_256K);
3546 	if (!dispa_base) {
3547 		pr_err("ioremap tegra210 DISPA failed\n");
3548 		return;
3549 	}
3550 
3551 	vic_base = ioremap(TEGRA210_VIC_BASE, SZ_256K);
3552 	if (!vic_base) {
3553 		pr_err("ioremap tegra210 VIC failed\n");
3554 		return;
3555 	}
3556 
3557 	clks = tegra_clk_init(clk_base, TEGRA210_CLK_CLK_MAX,
3558 			      TEGRA210_CAR_BANK_COUNT);
3559 	if (!clks)
3560 		return;
3561 
3562 	value = clk_readl(clk_base + SPARE_REG0) >> CLK_M_DIVISOR_SHIFT;
3563 	clk_m_div = (value & CLK_M_DIVISOR_MASK) + 1;
3564 
3565 	if (tegra_osc_clk_init(clk_base, tegra210_clks, tegra210_input_freq,
3566 			       ARRAY_SIZE(tegra210_input_freq), clk_m_div,
3567 			       &osc_freq, &pll_ref_freq) < 0)
3568 		return;
3569 
3570 	tegra_fixed_clk_init(tegra210_clks);
3571 	tegra210_pll_init(clk_base, pmc_base);
3572 	tegra210_periph_clk_init(clk_base, pmc_base);
3573 	tegra_audio_clk_init(clk_base, pmc_base, tegra210_clks,
3574 			     tegra210_audio_plls,
3575 			     ARRAY_SIZE(tegra210_audio_plls), 24576000);
3576 	tegra_pmc_clk_init(pmc_base, tegra210_clks);
3577 
3578 	/* For Tegra210, PLLD is the only source for DSIA & DSIB */
3579 	value = clk_readl(clk_base + PLLD_BASE);
3580 	value &= ~BIT(25);
3581 	clk_writel(value, clk_base + PLLD_BASE);
3582 
3583 	tegra_clk_apply_init_table = tegra210_clock_apply_init_table;
3584 
3585 	tegra_super_clk_gen5_init(clk_base, pmc_base, tegra210_clks,
3586 				  &pll_x_params);
3587 	tegra_init_special_resets(2, tegra210_reset_assert,
3588 				  tegra210_reset_deassert);
3589 
3590 	tegra_add_of_provider(np, of_clk_src_onecell_get);
3591 	tegra_register_devclks(devclks, ARRAY_SIZE(devclks));
3592 
3593 	tegra210_mbist_clk_init();
3594 
3595 	tegra_cpu_car_ops = &tegra210_cpu_car_ops;
3596 }
3597 CLK_OF_DECLARE(tegra210, "nvidia,tegra210-car", tegra210_clock_init);
3598