iio: accel: st_accel: Add LSM303C

The accelerometer part of ST LSM303C is similar (perhaps even identical)
to the already supported standalone LIS2HH12 accelerometer, so just
add the new st,lsm303c-accel compatible for the existing definitions.
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20230106102239.9647-3-stephan@gerhold.netSigned-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/accel/Kconfig

@@ -380,7 +380,7 @@ config IIO_ST_ACCEL_3AXIS
 	select IIO_TRIGGERED_BUFFER if (IIO_BUFFER)
 	help
 	  Say yes here to build support for STMicroelectronics accelerometers:
-	  LSM303DLH, LSM303DLHC, LIS3DH, LSM330D, LSM330DL, LSM330DLC,
+	  LSM303C, LSM303DLH, LSM303DLHC, LIS3DH, LSM330D, LSM330DL, LSM330DLC,
 	  LIS331DLH, LSM303DL, LSM303DLM, LSM330, LIS2DH12, H3LIS331DL,
 	  LNG2DM, LIS3DE, LIS2DE12, LIS2HH12
 

drivers/iio/accel/st_accel.h

@@ -37,6 +37,7 @@
 #define LIS2DE12_ACCEL_DEV_NAME		"lis2de12"
 #define LIS2HH12_ACCEL_DEV_NAME		"lis2hh12"
 #define LIS302DL_ACCEL_DEV_NAME		"lis302dl"
+#define LSM303C_ACCEL_DEV_NAME		"lsm303c_accel"
 #define SC7A20_ACCEL_DEV_NAME		"sc7a20"
 
 

drivers/iio/accel/st_accel_core.c

@@ -929,6 +929,7 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = {
 		.wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS,
 		.sensors_supported = {
 			[0] = LIS2HH12_ACCEL_DEV_NAME,
+			[1] = LSM303C_ACCEL_DEV_NAME,
 		},
 		.ch = (struct iio_chan_spec *)st_accel_16bit_channels,
 		.odr = {

drivers/iio/accel/st_accel_i2c.c

@@ -111,6 +111,10 @@ static const struct of_device_id st_accel_of_match[] = {
 		.compatible = "st,lis302dl",
 		.data = LIS302DL_ACCEL_DEV_NAME,
 	},
+	{
+		.compatible = "st,lsm303c-accel",
+		.data = LSM303C_ACCEL_DEV_NAME,
+	},
 	{
 		.compatible = "silan,sc7a20",
 		.data = SC7A20_ACCEL_DEV_NAME,
@@ -151,6 +155,7 @@ static const struct i2c_device_id st_accel_id_table[] = {
 	{ LIS2DE12_ACCEL_DEV_NAME },
 	{ LIS2HH12_ACCEL_DEV_NAME },
 	{ LIS302DL_ACCEL_DEV_NAME },
+	{ LSM303C_ACCEL_DEV_NAME },
 	{ SC7A20_ACCEL_DEV_NAME },
 	{},
 };

drivers/iio/accel/st_accel_spi.c

@@ -96,6 +96,10 @@ static const struct of_device_id st_accel_of_match[] = {
 		.compatible = "st,lis302dl",
 		.data = LIS302DL_ACCEL_DEV_NAME,
 	},
+	{
+		.compatible = "st,lsm303c-accel",
+		.data = LSM303C_ACCEL_DEV_NAME,
+	},
 	{}
 };
 MODULE_DEVICE_TABLE(of, st_accel_of_match);
@@ -152,6 +156,7 @@ static const struct spi_device_id st_accel_id_table[] = {
 	{ LIS3DHH_ACCEL_DEV_NAME },
 	{ LIS3DE_ACCEL_DEV_NAME },
 	{ LIS302DL_ACCEL_DEV_NAME },
+	{ LSM303C_ACCEL_DEV_NAME },
 	{},
 };
 MODULE_DEVICE_TABLE(spi, st_accel_id_table);