1 /*
2  * Copyright (c) 2014 MediaTek Inc.
3  * Author: James Liao <jamesjj.liao@mediatek.com>
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  */
14 
15 #ifndef __DRV_CLK_GATE_H
16 #define __DRV_CLK_GATE_H
17 
18 #include <linux/regmap.h>
19 #include <linux/clk-provider.h>
20 
21 struct clk;
22 
23 struct mtk_clk_gate {
24 	struct clk_hw	hw;
25 	struct regmap	*regmap;
26 	int		set_ofs;
27 	int		clr_ofs;
28 	int		sta_ofs;
29 	u8		bit;
30 };
31 
to_mtk_clk_gate(struct clk_hw * hw)32 static inline struct mtk_clk_gate *to_mtk_clk_gate(struct clk_hw *hw)
33 {
34 	return container_of(hw, struct mtk_clk_gate, hw);
35 }
36 
37 extern const struct clk_ops mtk_clk_gate_ops_setclr;
38 extern const struct clk_ops mtk_clk_gate_ops_setclr_inv;
39 extern const struct clk_ops mtk_clk_gate_ops_no_setclr;
40 extern const struct clk_ops mtk_clk_gate_ops_no_setclr_inv;
41 
42 struct clk *mtk_clk_register_gate(
43 		const char *name,
44 		const char *parent_name,
45 		struct regmap *regmap,
46 		int set_ofs,
47 		int clr_ofs,
48 		int sta_ofs,
49 		u8 bit,
50 		const struct clk_ops *ops);
51 
52 #endif /* __DRV_CLK_GATE_H */
53