iio:dac:ad5446: Add support for the AD5450/51/52/53

This patch adds support for the Analog Devices AD5450/51/52/53 Digital-to-Analog
converters.

The AD5452 and AD5453 are software compatible to the existing AD5444 and AD5446.
The AD5450 and AD5451 are similar but have a smaller resolution.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/iio/dac/Kconfig b/drivers/iio/dac/Kconfig
index 92fb3a0..afd207e 100644 (file)
--- a/drivers/iio/dac/Kconfig
+++ b/drivers/iio/dac/Kconfig
@@ -59,9 +59,9 @@ config AD5446
        tristate "Analog Devices AD5446 and similar single channel DACs driver"
        depends on SPI
        help
-         Say yes here to build support for Analog Devices AD5444, AD5446,
-         AD5512A, AD5541A, AD5542A, AD5543, AD5553, AD5601, AD5611, AD5620,
-         AD5621, AD5640, AD5660, AD5662 DACs.
+         Say yes here to build support for Analog Devices AD5444, AD5446, AD5450,
+         AD5451, AD5452, AD5453, AD5512A, AD5541A, AD5542A, AD5543, AD5553, AD5601,
+         AD5611, AD5620, AD5621, 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 49f557f..2ca5059 100644 (file)
--- a/drivers/iio/dac/ad5446.c
+++ b/drivers/iio/dac/ad5446.c
@@ -147,6 +147,14 @@ static const struct ad5446_chip_info ad5446_chip_info_tbl[] = {
                .channel = AD5446_CHANNEL(14, 16, 0),
                .write = ad5446_write,
        },
+       [ID_AD5450] = {
+               .channel = AD5446_CHANNEL(8, 16, 6),
+               .write = ad5446_write,
+       },
+       [ID_AD5451] = {
+               .channel = AD5446_CHANNEL(10, 16, 4),
+               .write = ad5446_write,
+       },
        [ID_AD5541A] = {
                .channel = AD5446_CHANNEL(16, 16, 0),
                .write = ad5446_write,
@@ -346,6 +354,10 @@ static int ad5446_remove(struct spi_device *spi)
 static const struct spi_device_id ad5446_id[] = {
        {"ad5444", ID_AD5444},
        {"ad5446", ID_AD5446},
+       {"ad5450", ID_AD5450},
+       {"ad5451", ID_AD5451},
+       {"ad5452", ID_AD5444}, /* ad5452 is compatible to the ad5444 */
+       {"ad5453", ID_AD5446}, /* ad5453 is compatible to the ad5446 */
        {"ad5512a", ID_AD5512A},
        {"ad5541a", ID_AD5541A},
        {"ad5542a", ID_AD5541A}, /* ad5541a and ad5542a are compatible */

diff --git a/drivers/iio/dac/ad5446.h b/drivers/iio/dac/ad5446.h
index dfd68ce..2934269 100644 (file)
--- a/drivers/iio/dac/ad5446.h
+++ b/drivers/iio/dac/ad5446.h
@@ -71,6 +71,8 @@ struct ad5446_chip_info {
 enum ad5446_supported_device_ids {
        ID_AD5444,
        ID_AD5446,
+       ID_AD5450,
+       ID_AD5451,
        ID_AD5541A,
        ID_AD5512A,
        ID_AD5553,