diff options
| author | Lars-Peter Clausen <lars@metafoo.de> | 2012-08-10 17:36:00 +0100 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2012-08-27 18:10:55 +0100 |
| commit | 8c29ecd3620cce207f383fd3ab9b345061a9a8dc (patch) | |
| tree | 0a01f5a90f93a8d8e665b3c776d3c326a000630b /drivers/staging/iio/adc | |
| parent | 525e643e4812cd0ced0f40908fafaf0c4317ac73 (diff) | |
staging:iio:ad7793: Add ad7785 support
The ad7785 is similar to the ad7792/ad7793, but has 20 bit wide data samples.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/staging/iio/adc')
| -rw-r--r-- | drivers/staging/iio/adc/Kconfig | 4 | ||||
| -rw-r--r-- | drivers/staging/iio/adc/ad7793.c | 27 |
2 files changed, 19 insertions, 12 deletions
diff --git a/drivers/staging/iio/adc/Kconfig b/drivers/staging/iio/adc/Kconfig index 0eab0c61c87b..a1fa1729acbe 100644 --- a/drivers/staging/iio/adc/Kconfig +++ b/drivers/staging/iio/adc/Kconfig @@ -113,8 +113,8 @@ config AD7793 depends on SPI select AD_SIGMA_DELTA help - Say yes here to build support for Analog Devices AD7792, AD7793, AD7794 - and AD7795 SPI analog to digital converters (ADC). + Say yes here to build support for Analog Devices AD7785, AD7792, AD7793, + AD7794 and AD7795 SPI analog to digital converters (ADC). If unsure, say N (but it's safe to say "Y"). To compile this driver as a module, choose M here: the diff --git a/drivers/staging/iio/adc/ad7793.c b/drivers/staging/iio/adc/ad7793.c index f11dcaf0fbae..ddc7fd721e46 100644 --- a/drivers/staging/iio/adc/ad7793.c +++ b/drivers/staging/iio/adc/ad7793.c @@ -1,5 +1,5 @@ /* - * AD7792/AD7793/AD7794/AD7795 SPI ADC driver + * AD7785/AD7792/AD7793/AD7794/AD7795 SPI ADC driver * * Copyright 2011-2012 Analog Devices Inc. * @@ -54,6 +54,7 @@ struct ad7793_state { }; enum ad7793_supported_device_ids { + ID_AD7785, ID_AD7792, ID_AD7793, ID_AD7794, @@ -386,14 +387,14 @@ static const struct iio_info ad7793_info = { .driver_module = THIS_MODULE, }; -#define DECLARE_AD7793_CHANNELS(_name, _b, _sb) \ +#define DECLARE_AD7793_CHANNELS(_name, _b, _sb, _s) \ const struct iio_chan_spec _name##_channels[] = { \ - AD_SD_DIFF_CHANNEL(0, 0, 0, AD7793_CH_AIN1P_AIN1M, (_b), (_sb), 0), \ - AD_SD_DIFF_CHANNEL(1, 1, 1, AD7793_CH_AIN2P_AIN2M, (_b), (_sb), 0), \ - AD_SD_DIFF_CHANNEL(2, 2, 2, AD7793_CH_AIN3P_AIN3M, (_b), (_sb), 0), \ - AD_SD_SHORTED_CHANNEL(3, 0, AD7793_CH_AIN1M_AIN1M, (_b), (_sb), 0), \ - AD_SD_TEMP_CHANNEL(4, AD7793_CH_TEMP, (_b), (_sb), 0), \ - AD_SD_SUPPLY_CHANNEL(5, 3, AD7793_CH_AVDD_MONITOR, (_b), (_sb), 0), \ + AD_SD_DIFF_CHANNEL(0, 0, 0, AD7793_CH_AIN1P_AIN1M, (_b), (_sb), (_s)), \ + AD_SD_DIFF_CHANNEL(1, 1, 1, AD7793_CH_AIN2P_AIN2M, (_b), (_sb), (_s)), \ + AD_SD_DIFF_CHANNEL(2, 2, 2, AD7793_CH_AIN3P_AIN3M, (_b), (_sb), (_s)), \ + AD_SD_SHORTED_CHANNEL(3, 0, AD7793_CH_AIN1M_AIN1M, (_b), (_sb), (_s)), \ + AD_SD_TEMP_CHANNEL(4, AD7793_CH_TEMP, (_b), (_sb), (_s)), \ + AD_SD_SUPPLY_CHANNEL(5, 3, AD7793_CH_AVDD_MONITOR, (_b), (_sb), (_s)), \ IIO_CHAN_SOFT_TIMESTAMP(6), \ } @@ -411,12 +412,17 @@ const struct iio_chan_spec _name##_channels[] = { \ IIO_CHAN_SOFT_TIMESTAMP(9), \ } -static DECLARE_AD7793_CHANNELS(ad7792, 16, 32); -static DECLARE_AD7793_CHANNELS(ad7793, 24, 32); +static DECLARE_AD7793_CHANNELS(ad7785, 20, 32, 4); +static DECLARE_AD7793_CHANNELS(ad7792, 16, 32, 0); +static DECLARE_AD7793_CHANNELS(ad7793, 24, 32, 0); static DECLARE_AD7795_CHANNELS(ad7794, 16, 32); static DECLARE_AD7795_CHANNELS(ad7795, 24, 32); static const struct ad7793_chip_info ad7793_chip_info_tbl[] = { + [ID_AD7785] = { + .channels = ad7785_channels, + .num_channels = ARRAY_SIZE(ad7785_channels), + }, [ID_AD7792] = { .channels = ad7792_channels, .num_channels = ARRAY_SIZE(ad7792_channels), @@ -535,6 +541,7 @@ static int ad7793_remove(struct spi_device *spi) } static const struct spi_device_id ad7793_id[] = { + {"ad7785", ID_AD7785}, {"ad7792", ID_AD7792}, {"ad7793", ID_AD7793}, {"ad7794", ID_AD7794}, |