diff options
Diffstat (limited to 'include/linux/mfd/stmpe.h')
| -rw-r--r-- | include/linux/mfd/stmpe.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/include/linux/mfd/stmpe.h b/include/linux/mfd/stmpe.h index be1af7c42e57..b584ea64a16a 100644 --- a/include/linux/mfd/stmpe.h +++ b/include/linux/mfd/stmpe.h @@ -10,6 +10,17 @@ #include <linux/device.h> +#define SAMPLE_TIME(x) ((x & 0xf) << 4) +#define MOD_12B(x) ((x & 0x1) << 3) +#define REF_SEL(x) ((x & 0x1) << 1) +#define ADC_FREQ(x) (x & 0x3) +#define AVE_CTRL(x) ((x & 0x3) << 6) +#define DET_DELAY(x) ((x & 0x7) << 3) +#define SETTLING(x) (x & 0x7) +#define FRACTION_Z(x) (x & 0x7) +#define I_DRIVE(x) (x & 0x1) +#define OP_MODE(x) ((x & 0x7) << 1) + enum stmpe_block { STMPE_BLOCK_GPIO = 1 << 0, STMPE_BLOCK_KEYPAD = 1 << 1, @@ -174,6 +185,26 @@ struct stmpe_ts_platform_data { }; /** + * struct stmpe_adc_platform_data - stmpe811 adc controller platform + * data + * @sample_time: ADC converstion time in number of clock. + * (0 -> 36 clocks, 1 -> 44 clocks, 2 -> 56 clocks, 3 -> 64 clocks, + * 4 -> 80 clocks, 5 -> 96 clocks, 6 -> 144 clocks), + * recommended is 4. + * @mod_12b: ADC Bit mode (0 -> 10bit ADC, 1 -> 12bit ADC) + * @ref_sel: ADC reference source + * (0 -> internal reference, 1 -> external reference) + * @adc_freq: ADC Clock speed + * (0 -> 1.625 MHz, 1 -> 3.25 MHz, 2 || 3 -> 6.5 MHz) + */ +struct stmpe_adc_platform_data { + u8 sample_time; + u8 mod_12b; + u8 ref_sel; + u8 adc_freq; +}; + +/** * struct stmpe_platform_data - STMPE platform data * @id: device id to distinguish between multiple STMPEs on the same board * @blocks: bitmask of blocks to enable (use STMPE_BLOCK_*) @@ -199,6 +230,7 @@ struct stmpe_platform_data { struct stmpe_gpio_platform_data *gpio; struct stmpe_keypad_platform_data *keypad; struct stmpe_ts_platform_data *ts; + struct stmpe_adc_platform_data *adc; }; #define STMPE_NR_INTERNAL_IRQS 9 |