diff options
| author |   Alexandre Belloni <alexandre.belloni@free-electrons.com> | 2014-04-15 12:27:58 +0200 |
|---|---|---|
| committer |   Nicolas Ferre <nicolas.ferre@atmel.com> | 2014-05-07 18:28:39 +0200 |
| commit | 2de0c019f34ffbe49744c453628afb270aa9adb6 (patch) | |
| tree | 373fb69307927a11d8eeb31d56a786336b962fdb /drivers/iio/adc/at91_adc.c | |
| parent | ARM: at91: sam9260: remove unused platform_data (diff) | |
| download | linux-dev-2de0c019f34ffbe49744c453628afb270aa9adb6.tar.xz linux-dev-2de0c019f34ffbe49744c453628afb270aa9adb6.zip | |
iio: adc: at91: cleanup platform_data
num_channels and registers are not used anymore since they are defined inside
the driver and assigned by matching the id_table.
Also, struct at91_adc_reg_desc is now only used inside the driver.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
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 89777ed9abd8..1beae65aef2c 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 */ |