diff options
Diffstat (limited to 'drivers/iio/adc/at91_adc.c')
| -rw-r--r-- | drivers/iio/adc/at91_adc.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c index 89777ed..1beae65 100644 --- a/drivers/iio/adc/at91_adc.c +++ b/drivers/iio/adc/at91_adc.c @@ -46,6 +46,25 @@ #define TOUCH_SAMPLE_PERIOD_US 2000 /* 2ms */ #define TOUCH_PEN_DETECT_DEBOUNCE_US 200 +/** + * struct at91_adc_reg_desc - Various informations relative to registers + * @channel_base: Base offset for the channel data registers + * @drdy_mask: Mask of the DRDY field in the relevant registers + (Interruptions registers mostly) + * @status_register: Offset of the Interrupt Status Register + * @trigger_register: Offset of the Trigger setup register + * @mr_prescal_mask: Mask of the PRESCAL field in the adc MR register + * @mr_startup_mask: Mask of the STARTUP field in the adc MR register + */ +struct at91_adc_reg_desc { + u8 channel_base; + u32 drdy_mask; + u8 status_register; + u8 trigger_register; + u32 mr_prescal_mask; + u32 mr_startup_mask; +}; + struct at91_adc_caps { bool has_ts; /* Support touch screen */ bool has_tsmr; /* only at91sam9x5, sama5d3 have TSMR reg */ |