iio:dac:ad5686: Add AD5311R support

AD5311R is a single channel DAC with 10-bit precision and i2c interface.
The device includes a 2.5V internal reference which is enabled by default.

This device is similar to AD5691R/AD5692R/AD5693/AD5693R, the only
difference is that it has 10-bit precision.

Datasheet:
http://www.analog.com/media/en/technical-documentation/data-sheets/AD5310R_5311R.pdf

Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/dac/ad5686.c b/drivers/iio/dac/ad5686.c
index e136f0fd38f04ee7e6d0a2875f2ed9b89aab2e03..2ddbfc3fdbae7430330466c9dc386ae8d3e26603 100644 (file)
--- a/drivers/iio/dac/ad5686.c
+++ b/drivers/iio/dac/ad5686.c
@@ -221,6 +221,7 @@ static struct iio_chan_spec name[] = {                              \
                AD5868_CHANNEL(7, 7, bits, _shift),             \
 }
 
+DECLARE_AD5693_CHANNELS(ad5311r_channels, 10, 6);
 DECLARE_AD5676_CHANNELS(ad5672_channels, 12, 4);
 DECLARE_AD5676_CHANNELS(ad5676_channels, 16, 0);
 DECLARE_AD5686_CHANNELS(ad5684_channels, 12, 4);
@@ -231,6 +232,12 @@ DECLARE_AD5693_CHANNELS(ad5692r_channels, 14, 2);
 DECLARE_AD5693_CHANNELS(ad5691r_channels, 12, 4);
 
 static const struct ad5686_chip_info ad5686_chip_info_tbl[] = {
+       [ID_AD5311R] = {
+               .channels = ad5311r_channels,
+               .int_vref_mv = 2500,
+               .num_channels = 1,
+               .regmap_type = AD5693_REGMAP,
+       },
        [ID_AD5671R] = {
                .channels = ad5672_channels,
                .int_vref_mv = 2500,

diff --git a/drivers/iio/dac/ad5686.h b/drivers/iio/dac/ad5686.h
index d05cda9f1edd77eef2cdc33d224e3ae5eabbe82e..57b3c61bfb9143e804f0f34141f313effeb02e7c 100644 (file)
--- a/drivers/iio/dac/ad5686.h
+++ b/drivers/iio/dac/ad5686.h
@@ -45,6 +45,7 @@
  * ad5686_supported_device_ids:
  */
 enum ad5686_supported_device_ids {
+       ID_AD5311R,
        ID_AD5671R,
        ID_AD5672R,
        ID_AD5675R,

diff --git a/drivers/iio/dac/ad5696-i2c.c b/drivers/iio/dac/ad5696-i2c.c
index d18735d7d9389fd552e8f5231242713e4dd66473..7350d9806a111688a7ec13b58655dee5934879d8 100644 (file)
--- a/drivers/iio/dac/ad5696-i2c.c
+++ b/drivers/iio/dac/ad5696-i2c.c
@@ -71,6 +71,7 @@ static int ad5686_i2c_remove(struct i2c_client *i2c)
 }
 
 static const struct i2c_device_id ad5686_i2c_id[] = {
+       {"ad5311r", ID_AD5311R},
        {"ad5671r", ID_AD5671R},
        {"ad5675r", ID_AD5675R},
        {"ad5691r", ID_AD5691R},