1 /* 2 * Copyright 2012 Analog Devices Inc. 3 * 4 * Licensed under the GPL-2. 5 */ 6 #ifndef __LINUX_PLATFORM_DATA_AD5755_H__ 7 #define __LINUX_PLATFORM_DATA_AD5755_H__ 8 9 enum ad5755_mode { 10 AD5755_MODE_VOLTAGE_0V_5V = 0, 11 AD5755_MODE_VOLTAGE_0V_10V = 1, 12 AD5755_MODE_VOLTAGE_PLUSMINUS_5V = 2, 13 AD5755_MODE_VOLTAGE_PLUSMINUS_10V = 3, 14 AD5755_MODE_CURRENT_4mA_20mA = 4, 15 AD5755_MODE_CURRENT_0mA_20mA = 5, 16 AD5755_MODE_CURRENT_0mA_24mA = 6, 17 }; 18 19 enum ad5755_dc_dc_phase { 20 AD5755_DC_DC_PHASE_ALL_SAME_EDGE = 0, 21 AD5755_DC_DC_PHASE_A_B_SAME_EDGE_C_D_OPP_EDGE = 1, 22 AD5755_DC_DC_PHASE_A_C_SAME_EDGE_B_D_OPP_EDGE = 2, 23 AD5755_DC_DC_PHASE_90_DEGREE = 3, 24 }; 25 26 enum ad5755_dc_dc_freq { 27 AD5755_DC_DC_FREQ_250kHZ = 0, 28 AD5755_DC_DC_FREQ_410kHZ = 1, 29 AD5755_DC_DC_FREQ_650kHZ = 2, 30 }; 31 32 enum ad5755_dc_dc_maxv { 33 AD5755_DC_DC_MAXV_23V = 0, 34 AD5755_DC_DC_MAXV_24V5 = 1, 35 AD5755_DC_DC_MAXV_27V = 2, 36 AD5755_DC_DC_MAXV_29V5 = 3, 37 }; 38 39 enum ad5755_slew_rate { 40 AD5755_SLEW_RATE_64k = 0, 41 AD5755_SLEW_RATE_32k = 1, 42 AD5755_SLEW_RATE_16k = 2, 43 AD5755_SLEW_RATE_8k = 3, 44 AD5755_SLEW_RATE_4k = 4, 45 AD5755_SLEW_RATE_2k = 5, 46 AD5755_SLEW_RATE_1k = 6, 47 AD5755_SLEW_RATE_500 = 7, 48 AD5755_SLEW_RATE_250 = 8, 49 AD5755_SLEW_RATE_125 = 9, 50 AD5755_SLEW_RATE_64 = 10, 51 AD5755_SLEW_RATE_32 = 11, 52 AD5755_SLEW_RATE_16 = 12, 53 AD5755_SLEW_RATE_8 = 13, 54 AD5755_SLEW_RATE_4 = 14, 55 AD5755_SLEW_RATE_0_5 = 15, 56 }; 57 58 enum ad5755_slew_step_size { 59 AD5755_SLEW_STEP_SIZE_1 = 0, 60 AD5755_SLEW_STEP_SIZE_2 = 1, 61 AD5755_SLEW_STEP_SIZE_4 = 2, 62 AD5755_SLEW_STEP_SIZE_8 = 3, 63 AD5755_SLEW_STEP_SIZE_16 = 4, 64 AD5755_SLEW_STEP_SIZE_32 = 5, 65 AD5755_SLEW_STEP_SIZE_64 = 6, 66 AD5755_SLEW_STEP_SIZE_128 = 7, 67 AD5755_SLEW_STEP_SIZE_256 = 8, 68 }; 69 70 /** 71 * struct ad5755_platform_data - AD5755 DAC driver platform data 72 * @ext_dc_dc_compenstation_resistor: Whether an external DC-DC converter 73 * compensation register is used. 74 * @dc_dc_phase: DC-DC converter phase. 75 * @dc_dc_freq: DC-DC converter frequency. 76 * @dc_dc_maxv: DC-DC maximum allowed boost voltage. 77 * @dac.mode: The mode to be used for the DAC output. 78 * @dac.ext_current_sense_resistor: Whether an external current sense resistor 79 * is used. 80 * @dac.enable_voltage_overrange: Whether to enable 20% voltage output overrange. 81 * @dac.slew.enable: Whether to enable digital slew. 82 * @dac.slew.rate: Slew rate of the digital slew. 83 * @dac.slew.step_size: Slew step size of the digital slew. 84 **/ 85 struct ad5755_platform_data { 86 bool ext_dc_dc_compenstation_resistor; 87 enum ad5755_dc_dc_phase dc_dc_phase; 88 enum ad5755_dc_dc_freq dc_dc_freq; 89 enum ad5755_dc_dc_maxv dc_dc_maxv; 90 91 struct { 92 enum ad5755_mode mode; 93 bool ext_current_sense_resistor; 94 bool enable_voltage_overrange; 95 struct { 96 bool enable; 97 enum ad5755_slew_rate rate; 98 enum ad5755_slew_step_size step_size; 99 } slew; 100 } dac[4]; 101 }; 102 103 #endif 104