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| author | Milan Stevanovic <milan.o.stevanovic@gmail.com> | 2018-01-14 21:32:39 +0100 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2018-01-30 19:33:27 +0100 |
| commit | 4d2b6d8c0ae831ba91608f605ce25171bd2d4a4b (patch) | |
| tree | 92d620d08346a7f65b49a5f7f2119847b4b41d9a /drivers | |
| parent | iio/adc: depend on SYSFS instead of selecting it (diff) | |
| download | linux-4d2b6d8c0ae831ba91608f605ce25171bd2d4a4b.tar.xz linux-4d2b6d8c0ae831ba91608f605ce25171bd2d4a4b.zip | |
iio: adc: driver for ti adc081s/adc101s/adc121s
Add Linux device driver for TI single-channel CMOS
8/10/12-bit analog-to-digital converter with a
high-speed serial interface.
Signed-off-by: Milan Stevanovic <milan.o.stevanovic@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/iio/adc/ad7476.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/drivers/iio/adc/ad7476.c b/drivers/iio/adc/ad7476.c index b7706bf10ffe..0ea0f9066a53 100644 --- a/drivers/iio/adc/ad7476.c +++ b/drivers/iio/adc/ad7476.c @@ -1,5 +1,6 @@ /* - * AD7466/7/8 AD7476/5/7/8 (A) SPI ADC driver + * Analog Devices AD7466/7/8 AD7476/5/7/8 (A) SPI ADC driver + * TI ADC081S/ADC101S/ADC121S 8/10/12-bit SPI ADC driver * * Copyright 2010 Analog Devices Inc. * @@ -56,6 +57,9 @@ enum ad7476_supported_device_ids { ID_AD7468, ID_AD7495, ID_AD7940, + ID_ADC081S, + ID_ADC101S, + ID_ADC121S, }; static irqreturn_t ad7476_trigger_handler(int irq, void *p) @@ -147,6 +151,8 @@ static int ad7476_read_raw(struct iio_dev *indio_dev, }, \ } +#define ADC081S_CHAN(bits) _AD7476_CHAN((bits), 12 - (bits), \ + BIT(IIO_CHAN_INFO_RAW)) #define AD7476_CHAN(bits) _AD7476_CHAN((bits), 13 - (bits), \ BIT(IIO_CHAN_INFO_RAW)) #define AD7940_CHAN(bits) _AD7476_CHAN((bits), 15 - (bits), \ @@ -192,6 +198,18 @@ static const struct ad7476_chip_info ad7476_chip_info_tbl[] = { .channel[0] = AD7940_CHAN(14), .channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1), }, + [ID_ADC081S] = { + .channel[0] = ADC081S_CHAN(8), + .channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1), + }, + [ID_ADC101S] = { + .channel[0] = ADC081S_CHAN(10), + .channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1), + }, + [ID_ADC121S] = { + .channel[0] = ADC081S_CHAN(12), + .channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1), + }, }; static const struct iio_info ad7476_info = { @@ -294,6 +312,9 @@ static const struct spi_device_id ad7476_id[] = { {"ad7910", ID_AD7467}, {"ad7920", ID_AD7466}, {"ad7940", ID_AD7940}, + {"adc081s", ID_ADC081S}, + {"adc101s", ID_ADC101S}, + {"adc121s", ID_ADC121S}, {} }; MODULE_DEVICE_TABLE(spi, ad7476_id); |