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iio:ad5446: Add support for the ad5300/ad5310/ad5320

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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>
This commit is contained in:
Lars-Peter Clausen 2012-09-04 10:10:00 +01:00 committed by Jonathan Cameron
parent ce56ade6ae
commit 2fafbce250
2 changed files with 21 additions and 3 deletions
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6
drivers/iio/dac/Kconfig
View file

@ -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.

18
drivers/iio/dac/ad5446.c
View file

@ -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},