From: David Jander <david@protonic.nl>
Date: Tue, 10 Feb 2026 13:51:06 +0000 (+0100)
Subject: iio: dac: ds4424: add DS4402/DS4404 device IDs
X-Git-Tag: v7.1-rc1~17^2~120^2~19
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1fa14dd130fae3feccdde112ed26f48042cf5d7b;p=thirdparty%2Fkernel%2Fstable.git

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 f9cdc695032d7..f88e92927bf2a 100644
--- 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 },
 	{ }