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authorLars-Peter Clausen <lars@metafoo.de>2012-09-04 10:10:00 +0100
committerJonathan Cameron <jic23@kernel.org>2012-09-08 10:14:45 +0100
commit2fafbce25063ae2732f2f2d9f853f1d97145eab5 (patch)
tree344fe7ea9647545c1ba2ec4b80493357c8c69ef3 /drivers/iio
parentce56ade6ae74e604a4b5d6ea5b1d58960fa8e7aa (diff)
downloadlinux-2fafbce25063ae2732f2f2d9f853f1d97145eab5.tar.bz2
iio:ad5446: Add support for the ad5300/ad5310/ad5320
The ad5300/ad5310/ad5320 is a family of single channel DACs with a SPI interface similar to the ad5601/ad5611/ad5621 but use a different shift factor for the data word. While we are at it also reorder the device part numbers in the ad5446 driver Kconfig to be ordered alphabetically. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio')
-rw-r--r--drivers/iio/dac/Kconfig6
-rw-r--r--drivers/iio/dac/ad5446.c18
2 files changed, 21 insertions, 3 deletions
diff --git a/drivers/iio/dac/Kconfig b/drivers/iio/dac/Kconfig
index 293b61dcc559..7599d62eb142 100644
--- a/drivers/iio/dac/Kconfig
+++ b/drivers/iio/dac/Kconfig
@@ -59,10 +59,10 @@ config AD5446
tristate "Analog Devices AD5446 and similar single channel DACs driver"
depends on (SPI_MASTER || I2C)
help
- Say yes here to build support for Analog Devices AD5602, AD5612, AD5622,
+ Say yes here to build support for Analog Devices AD5300, AD5310, AD5320,
AD5444, AD5446, AD5450, AD5451, AD5452, AD5453, AD5512A, AD5541A, AD5542A,
- AD5543, AD5553, AD5601, AD5611, AD5620, AD5621, AD5640, AD5660, AD5662
- DACs.
+ AD5543, AD5553, AD5601, AD5602, AD5611, AD5612, AD5620, AD5621, AD5622,
+ AD5640, AD5660, AD5662 DACs.
To compile this driver as a module, choose M here: the
module will be called ad5446.
diff --git a/drivers/iio/dac/ad5446.c b/drivers/iio/dac/ad5446.c
index 7f11c1c89960..2b0968f717db 100644
--- a/drivers/iio/dac/ad5446.c
+++ b/drivers/iio/dac/ad5446.c
@@ -321,6 +321,9 @@ static int ad5660_write(struct ad5446_state *st, unsigned val)
* parts are supported here.
*/
enum ad5446_supported_spi_device_ids {
+ ID_AD5300,
+ ID_AD5310,
+ ID_AD5320,
ID_AD5444,
ID_AD5446,
ID_AD5450,
@@ -341,6 +344,18 @@ enum ad5446_supported_spi_device_ids {
};
static const struct ad5446_chip_info ad5446_spi_chip_info[] = {
+ [ID_AD5300] = {
+ .channel = AD5446_CHANNEL_POWERDOWN(8, 16, 4),
+ .write = ad5446_write,
+ },
+ [ID_AD5310] = {
+ .channel = AD5446_CHANNEL_POWERDOWN(10, 16, 2),
+ .write = ad5446_write,
+ },
+ [ID_AD5320] = {
+ .channel = AD5446_CHANNEL_POWERDOWN(12, 16, 0),
+ .write = ad5446_write,
+ },
[ID_AD5444] = {
.channel = AD5446_CHANNEL(12, 16, 2),
.write = ad5446_write,
@@ -418,6 +433,9 @@ static const struct ad5446_chip_info ad5446_spi_chip_info[] = {
};
static const struct spi_device_id ad5446_spi_ids[] = {
+ {"ad5300", ID_AD5300},
+ {"ad5310", ID_AD5310},
+ {"ad5320", ID_AD5320},
{"ad5444", ID_AD5444},
{"ad5446", ID_AD5446},
{"ad5450", ID_AD5450},