diff options
Diffstat (limited to 'include/linux/platform_data')
| -rw-r--r-- | include/linux/platform_data/ad5755.h | 103 | ||||
| -rw-r--r-- | include/linux/platform_data/ad7791.h | 17 |
2 files changed, 120 insertions, 0 deletions
diff --git a/include/linux/platform_data/ad5755.h b/include/linux/platform_data/ad5755.h new file mode 100644 index 000000000000..a5a1cb751874 --- /dev/null +++ b/include/linux/platform_data/ad5755.h @@ -0,0 +1,103 @@ +/* + * Copyright 2012 Analog Devices Inc. + * + * Licensed under the GPL-2. + */ +#ifndef __LINUX_PLATFORM_DATA_AD5755_H__ +#define __LINUX_PLATFORM_DATA_AD5755_H__ + +enum ad5755_mode { + AD5755_MODE_VOLTAGE_0V_5V = 0, + AD5755_MODE_VOLTAGE_0V_10V = 1, + AD5755_MODE_VOLTAGE_PLUSMINUS_5V = 2, + AD5755_MODE_VOLTAGE_PLUSMINUS_10V = 3, + AD5755_MODE_CURRENT_4mA_20mA = 4, + AD5755_MODE_CURRENT_0mA_20mA = 5, + AD5755_MODE_CURRENT_0mA_24mA = 6, +}; + +enum ad5755_dc_dc_phase { + AD5755_DC_DC_PHASE_ALL_SAME_EDGE = 0, + AD5755_DC_DC_PHASE_A_B_SAME_EDGE_C_D_OPP_EDGE = 1, + AD5755_DC_DC_PHASE_A_C_SAME_EDGE_B_D_OPP_EDGE = 2, + AD5755_DC_DC_PHASE_90_DEGREE = 3, +}; + +enum ad5755_dc_dc_freq { + AD5755_DC_DC_FREQ_250kHZ = 0, + AD5755_DC_DC_FREQ_410kHZ = 1, + AD5755_DC_DC_FREQ_650kHZ = 2, +}; + +enum ad5755_dc_dc_maxv { + AD5755_DC_DC_MAXV_23V = 0, + AD5755_DC_DC_MAXV_24V5 = 1, + AD5755_DC_DC_MAXV_27V = 2, + AD5755_DC_DC_MAXV_29V5 = 3, +}; + +enum ad5755_slew_rate { + AD5755_SLEW_RATE_64k = 0, + AD5755_SLEW_RATE_32k = 1, + AD5755_SLEW_RATE_16k = 2, + AD5755_SLEW_RATE_8k = 3, + AD5755_SLEW_RATE_4k = 4, + AD5755_SLEW_RATE_2k = 5, + AD5755_SLEW_RATE_1k = 6, + AD5755_SLEW_RATE_500 = 7, + AD5755_SLEW_RATE_250 = 8, + AD5755_SLEW_RATE_125 = 9, + AD5755_SLEW_RATE_64 = 10, + AD5755_SLEW_RATE_32 = 11, + AD5755_SLEW_RATE_16 = 12, + AD5755_SLEW_RATE_8 = 13, + AD5755_SLEW_RATE_4 = 14, + AD5755_SLEW_RATE_0_5 = 15, +}; + +enum ad5755_slew_step_size { + AD5755_SLEW_STEP_SIZE_1 = 0, + AD5755_SLEW_STEP_SIZE_2 = 1, + AD5755_SLEW_STEP_SIZE_4 = 2, + AD5755_SLEW_STEP_SIZE_8 = 3, + AD5755_SLEW_STEP_SIZE_16 = 4, + AD5755_SLEW_STEP_SIZE_32 = 5, + AD5755_SLEW_STEP_SIZE_64 = 6, + AD5755_SLEW_STEP_SIZE_128 = 7, + AD5755_SLEW_STEP_SIZE_256 = 8, +}; + +/** + * struct ad5755_platform_data - AD5755 DAC driver platform data + * @ext_dc_dc_compenstation_resistor: Whether an external DC-DC converter + * compensation register is used. + * @dc_dc_phase: DC-DC converter phase. + * @dc_dc_freq: DC-DC converter frequency. + * @dc_dc_maxv: DC-DC maximum allowed boost voltage. + * @dac.mode: The mode to be used for the DAC output. + * @dac.ext_current_sense_resistor: Whether an external current sense resistor + * is used. + * @dac.enable_voltage_overrange: Whether to enable 20% voltage output overrange. + * @dac.slew.enable: Whether to enable digital slew. + * @dac.slew.rate: Slew rate of the digital slew. + * @dac.slew.step_size: Slew step size of the digital slew. + **/ +struct ad5755_platform_data { + bool ext_dc_dc_compenstation_resistor; + enum ad5755_dc_dc_phase dc_dc_phase; + enum ad5755_dc_dc_freq dc_dc_freq; + enum ad5755_dc_dc_maxv dc_dc_maxv; + + struct { + enum ad5755_mode mode; + bool ext_current_sense_resistor; + bool enable_voltage_overrange; + struct { + bool enable; + enum ad5755_slew_rate rate; + enum ad5755_slew_step_size step_size; + } slew; + } dac[4]; +}; + +#endif diff --git a/include/linux/platform_data/ad7791.h b/include/linux/platform_data/ad7791.h new file mode 100644 index 000000000000..f9e4db1b82ae --- /dev/null +++ b/include/linux/platform_data/ad7791.h @@ -0,0 +1,17 @@ +#ifndef __LINUX_PLATFORM_DATA_AD7791__ +#define __LINUX_PLATFORM_DATA_AD7791__ + +/** + * struct ad7791_platform_data - AD7791 device platform data + * @buffered: If set to true configure the device for buffered input mode. + * @burnout_current: If set to true the 100mA burnout current is enabled. + * @unipolar: If set to true sample in unipolar mode, if set to false sample in + * bipolar mode. + */ +struct ad7791_platform_data { + bool buffered; + bool burnout_current; + bool unipolar; +}; + +#endif |
