iio: dac: ds4424: add DS4402/DS4404 device IDs

Add I2C/OF IDs for DS4402 and DS4404 and set the correct channel count.
Follow-up changes add per-variant scaling based on external Rfs.

Co-developed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: David Jander <david@protonic.nl>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/dac/ds4424.c b/drivers/iio/dac/ds4424.c
index f9cdc695032d7acca4c8cd83eeb3d4b02c46ac78..f88e92927bf2a1b108c52e0ebd132d887bc76b06 100644 (file)
--- a/drivers/iio/dac/ds4424.c
+++ b/drivers/iio/dac/ds4424.c
@@ -39,6 +39,16 @@ struct ds4424_chip_info {
        u8 num_channels;
 };
 
+static const struct ds4424_chip_info ds4402_info = {
+       .name = "ds4402",
+       .num_channels = DS4422_MAX_DAC_CHANNELS,
+};
+
+static const struct ds4424_chip_info ds4404_info = {
+       .name = "ds4404",
+       .num_channels = DS4424_MAX_DAC_CHANNELS,
+};
+
 static const struct ds4424_chip_info ds4422_info = {
        .name = "ds4422",
        .num_channels = DS4422_MAX_DAC_CHANNELS,
@@ -285,6 +295,8 @@ static void ds4424_remove(struct i2c_client *client)
 }
 
 static const struct i2c_device_id ds4424_id[] = {
+       { "ds4402", (kernel_ulong_t)&ds4402_info },
+       { "ds4404", (kernel_ulong_t)&ds4404_info },
        { "ds4422", (kernel_ulong_t)&ds4422_info },
        { "ds4424", (kernel_ulong_t)&ds4424_info },
        { }
@@ -293,6 +305,8 @@ static const struct i2c_device_id ds4424_id[] = {
 MODULE_DEVICE_TABLE(i2c, ds4424_id);
 
 static const struct of_device_id ds4424_of_match[] = {
+       { .compatible = "maxim,ds4402", .data = &ds4402_info },
+       { .compatible = "maxim,ds4404", .data = &ds4404_info },
        { .compatible = "maxim,ds4422", .data = &ds4422_info },
        { .compatible = "maxim,ds4424", .data = &ds4424_info },
        { }