iio: imu: st_lsm6dsx: add support to LSM6DSV16X

Add support to STM LSM6DSV16X (accelerometer and gyroscope) Mems sensor.
The LSM6DSV16X sensor can use LSM6DSV as fallback device since it
implements all the LSM6DSV16X features currently implemented in
st_lsm6dsx.

Datasheet: https://www.st.com/resource/en/datasheet/lsm6dsv16x.pdf
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/284b251f861dff30c399e5736a843c8e3a497249.1667745215.git.lorenzo@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/imu/st_lsm6dsx/Kconfig

@@ -13,7 +13,8 @@ config IIO_ST_LSM6DSX
 	  sensor. Supported devices: lsm6ds3, lsm6ds3h, lsm6dsl, lsm6dsm,
 	  ism330dlc, lsm6dso, lsm6dsox, asm330lhh, asm330lhhx, lsm6dsr,
 	  lsm6ds3tr-c, ism330dhcx, lsm6dsrx, lsm6ds0, lsm6dsop, lsm6dstx,
-	  lsm6dsv, the accelerometer/gyroscope of lsm9ds1 and lsm6dst.
+	  lsm6dsv, lsm6dsv16x, the accelerometer/gyroscope of lsm9ds1
+	  and lsm6dst.
 
 	  To compile this driver as a module, choose M here: the module
 	  will be called st_lsm6dsx.

drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h

@@ -34,6 +34,7 @@
 #define ST_ASM330LHHX_DEV_NAME	"asm330lhhx"
 #define ST_LSM6DSTX_DEV_NAME	"lsm6dstx"
 #define ST_LSM6DSV_DEV_NAME	"lsm6dsv"
+#define ST_LSM6DSV16X_DEV_NAME	"lsm6dsv16x"
 
 enum st_lsm6dsx_hw_id {
 	ST_LSM6DS3_ID,
@@ -55,6 +56,7 @@ enum st_lsm6dsx_hw_id {
 	ST_ASM330LHHX_ID,
 	ST_LSM6DSTX_ID,
 	ST_LSM6DSV_ID,
+	ST_LSM6DSV16X_ID,
 	ST_LSM6DSX_MAX_ID,
 };
 

drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c

@@ -27,7 +27,7 @@
  *   - FIFO size: 4KB
  *
  * - LSM6DSO/LSM6DSOX/ASM330LHH/ASM330LHHX/LSM6DSR/ISM330DHCX/LSM6DST/LSM6DSOP/
- *   LSM6DSTX:
+ *   LSM6DSTX/LSM6DSV/LSM6DSV16X:
  *   - Accelerometer/Gyroscope supported ODR [Hz]: 12.5, 26, 52, 104, 208, 416,
  *     833
  *   - Accelerometer supported full-scale [g]: +-2/+-4/+-8/+-16
@@ -1180,6 +1180,10 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
 				.hw_id = ST_LSM6DSV_ID,
 				.name = ST_LSM6DSV_DEV_NAME,
 				.wai = 0x70,
+			}, {
+				.hw_id = ST_LSM6DSV16X_ID,
+				.name = ST_LSM6DSV16X_DEV_NAME,
+				.wai = 0x70,
 			},
 		},
 		.channels = {

drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c

@@ -113,6 +113,10 @@ static const struct of_device_id st_lsm6dsx_i2c_of_match[] = {
 		.compatible = "st,lsm6dsv",
 		.data = (void *)ST_LSM6DSV_ID,
 	},
+	{
+		.compatible = "st,lsm6dsv16x",
+		.data = (void *)ST_LSM6DSV16X_ID,
+	},
 	{},
 };
 MODULE_DEVICE_TABLE(of, st_lsm6dsx_i2c_of_match);
@@ -137,6 +141,7 @@ static const struct i2c_device_id st_lsm6dsx_i2c_id_table[] = {
 	{ ST_ASM330LHHX_DEV_NAME, ST_ASM330LHHX_ID },
 	{ ST_LSM6DSTX_DEV_NAME, ST_LSM6DSTX_ID },
 	{ ST_LSM6DSV_DEV_NAME, ST_LSM6DSV_ID },
+	{ ST_LSM6DSV16X_DEV_NAME, ST_LSM6DSV16X_ID },
 	{},
 };
 MODULE_DEVICE_TABLE(i2c, st_lsm6dsx_i2c_id_table);

drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_spi.c

@@ -113,6 +113,10 @@ static const struct of_device_id st_lsm6dsx_spi_of_match[] = {
 		.compatible = "st,lsm6dsv",
 		.data = (void *)ST_LSM6DSV_ID,
 	},
+	{
+		.compatible = "st,lsm6dsv16x",
+		.data = (void *)ST_LSM6DSV16X_ID,
+	},
 	{},
 };
 MODULE_DEVICE_TABLE(of, st_lsm6dsx_spi_of_match);
@@ -137,6 +141,7 @@ static const struct spi_device_id st_lsm6dsx_spi_id_table[] = {
 	{ ST_ASM330LHHX_DEV_NAME, ST_ASM330LHHX_ID },
 	{ ST_LSM6DSTX_DEV_NAME, ST_LSM6DSTX_ID },
 	{ ST_LSM6DSV_DEV_NAME, ST_LSM6DSV_ID },
+	{ ST_LSM6DSV16X_DEV_NAME, ST_LSM6DSV16X_ID },
 	{},
 };
 MODULE_DEVICE_TABLE(spi, st_lsm6dsx_spi_id_table);