The ad7276/ad7277/ad7278 are similar to the ad7476/ad7477/ad7478 but have the
same number of leading zeros as the ad7940. The ad7274/ad7275 have a extra pin
for VREF where as for the ad7276/ad7277/ad7278 VREF is taken from VDD, but
otherwise they are compatible to the ad7276/ad7277.
Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
---
drivers/iio/adc/Kconfig | 6 +++---
drivers/iio/adc/ad7476.c | 20 ++++++++++++++++++++
2 files changed, 23 insertions(+), 3 deletions(-)
diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
index 7152a49..645c052 100644
--- a/drivers/iio/adc/Kconfig
+++ b/drivers/iio/adc/Kconfig
@@ -24,9 +24,9 @@ config AD7476
select IIO_BUFFER
select IIO_TRIGGERED_BUFFER
help
- Say yes here to build support for Analog Devices AD7475, AD7476, AD7477,
- AD7478, AD7466, AD7467, AD7468, AD7495, AD7910, AD7920, AD7920 SPI analog
- to digital converters (ADC).
+ Say yes here to build support for Analog Devices AD7274, AD7275, AD7276,
+ AD7277, AD7278, AD7475, AD7476, AD7477, AD7478, AD7466, AD7467, AD7468,
+ AD7495, AD7910, AD7920, AD7920 SPI analog to digital converters (ADC).
If unsure, say N (but it's safe to say "Y").
diff --git a/drivers/iio/adc/ad7476.c b/drivers/iio/adc/ad7476.c
index e6c92a5..9cb10f4 100644
--- a/drivers/iio/adc/ad7476.c
+++ b/drivers/iio/adc/ad7476.c
@@ -45,6 +45,9 @@ struct ad7476_state {
};
enum ad7476_supported_device_ids {
+ ID_AD7276,
+ ID_AD7277,
+ ID_AD7278,
ID_AD7466,
ID_AD7467,
ID_AD7468,
@@ -146,6 +149,18 @@ static int ad7476_read_raw(struct iio_dev *indio_dev,
#define AD7940_CHAN(bits) _AD7476_CHAN((bits), 15 - (bits))
static const struct ad7476_chip_info ad7476_chip_info_tbl[] = {
+ [ID_AD7276] = {
+ .channel[0] = AD7940_CHAN(12),
+ .channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1),
+ },
+ [ID_AD7277] = {
+ .channel[0] = AD7940_CHAN(10),
+ .channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1),
+ },
+ [ID_AD7278] = {
+ .channel[0] = AD7940_CHAN(8),
+ .channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1),
+ },
[ID_AD7466] = {
.channel[0] = AD7476_CHAN(12),
.channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1),
@@ -255,6 +270,11 @@ static int __devexit ad7476_remove(struct spi_device *spi)
}
static const struct spi_device_id ad7476_id[] = {
+ {"ad7274", ID_AD7276},
+ {"ad7275", ID_AD7277},
+ {"ad7276", ID_AD7276},
+ {"ad7277", ID_AD7277},
+ {"ad7278", ID_AD7278},
{"ad7466", ID_AD7466},
{"ad7467", ID_AD7467},
{"ad7468", ID_AD7468},
--
1.7.10.4
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