| Lars-Peter Clausen | c499d02 | 2012-09-17 10:24:00 +0100 | [diff] [blame] | 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 |