[PATCH 1/2] iio: imu: st_lsm6dsx: add support to ASM330LHHX

[Lorenzo Bianconi <lorenzo@kernel.org>]

Add support to STM  ASM330LHHX (acc + gyro) Mems sensor
https://www.st.com/resource/en/datasheet/asm330lhhx.pdf

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
 drivers/iio/imu/st_lsm6dsx/Kconfig             | 6 +++---
 drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h        | 2 ++
 drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c | 3 ++-
 drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c   | 6 +++++-
 drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c    | 5 +++++
 drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_spi.c    | 5 +++++
 6 files changed, 22 insertions(+), 5 deletions(-)

diff --git a/drivers/iio/imu/st_lsm6dsx/Kconfig b/drivers/iio/imu/st_lsm6dsx/Kconfig
index 85860217aaf3..fefd0b939100 100644
--- a/drivers/iio/imu/st_lsm6dsx/Kconfig
+++ b/drivers/iio/imu/st_lsm6dsx/Kconfig
@@ -11,9 +11,9 @@ config IIO_ST_LSM6DSX
 	help
 	  Say yes here to build support for STMicroelectronics LSM6DSx imu
 	  sensor. Supported devices: lsm6ds3, lsm6ds3h, lsm6dsl, lsm6dsm,
-	  ism330dlc, lsm6dso, lsm6dsox, asm330lhh, lsm6dsr, lsm6ds3tr-c,
-	  ism330dhcx, lsm6dsrx, lsm6ds0, lsm6dsop, the accelerometer/gyroscope
-	  of lsm9ds1 and lsm6dst.
+	  ism330dlc, lsm6dso, lsm6dsox, asm330lhh, asm330lhhx, lsm6dsr,
+	  lsm6ds3tr-c, ism330dhcx, lsm6dsrx, lsm6ds0, lsm6dsop,
+	  the accelerometer/gyroscope of lsm9ds1 and lsm6dst.
 
 	  To compile this driver as a module, choose M here: the module
 	  will be called st_lsm6dsx.
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
index 6ac4eac36458..a86dd29a4738 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
@@ -31,6 +31,7 @@
 #define ST_LSM6DSRX_DEV_NAME	"lsm6dsrx"
 #define ST_LSM6DST_DEV_NAME	"lsm6dst"
 #define ST_LSM6DSOP_DEV_NAME	"lsm6dsop"
+#define ST_ASM330LHHX_DEV_NAME	"asm330lhhx"
 
 enum st_lsm6dsx_hw_id {
 	ST_LSM6DS3_ID,
@@ -49,6 +50,7 @@ enum st_lsm6dsx_hw_id {
 	ST_LSM6DSRX_ID,
 	ST_LSM6DST_ID,
 	ST_LSM6DSOP_ID,
+	ST_ASM330LHHX_ID,
 	ST_LSM6DSX_MAX_ID,
 };
 
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
index 16730a780964..38bb5f645ebd 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
@@ -14,7 +14,8 @@
  * (e.g. Gx, Gy, Gz, Ax, Ay, Az), then data are repeated depending on the
  * value of the decimation factor and ODR set for each FIFO data set.
  *
- * LSM6DSO/LSM6DSOX/ASM330LHH/LSM6DSR/LSM6DSRX/ISM330DHCX/LSM6DST/LSM6DSOP:
+ * LSM6DSO/LSM6DSOX/ASM330LHH/ASM330LHHX/LSM6DSR/LSM6DSRX/ISM330DHCX/
+ * LSM6DST/LSM6DSOP:
  * The FIFO buffer can be configured to store data from gyroscope and
  * accelerometer. Each sample is queued with a tag (1B) indicating data
  * source (gyroscope, accelerometer, hw timer).
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
index b1d8d5a66f01..910397716833 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
@@ -26,7 +26,7 @@
  *   - Gyroscope supported full-scale [dps]: +-125/+-245/+-500/+-1000/+-2000
  *   - FIFO size: 4KB
  *
- * - LSM6DSO/LSM6DSOX/ASM330LHH/LSM6DSR/ISM330DHCX/LSM6DST/LSM6DSOP:
+ * - LSM6DSO/LSM6DSOX/ASM330LHH/ASM330LHHX/LSM6DSR/ISM330DHCX/LSM6DST/LSM6DSOP:
  *   - Accelerometer/Gyroscope supported ODR [Hz]: 12.5, 26, 52, 104, 208, 416,
  *     833
  *   - Accelerometer supported full-scale [g]: +-2/+-4/+-8/+-16
@@ -786,6 +786,10 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
 				.hw_id = ST_LSM6DST_ID,
 				.name = ST_LSM6DST_DEV_NAME,
 				.wai = 0x6d,
+			}, {
+				.hw_id = ST_ASM330LHHX_ID,
+				.name = ST_ASM330LHHX_DEV_NAME,
+				.wai = 0x6b,
 			},
 		},
 		.channels = {
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c
index 8b4fc2c15622..715fbdc8190e 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c
@@ -101,6 +101,10 @@ static const struct of_device_id st_lsm6dsx_i2c_of_match[] = {
 		.compatible = "st,lsm6dsop",
 		.data = (void *)ST_LSM6DSOP_ID,
 	},
+	{
+		.compatible = "st,asm330lhhx",
+		.data = (void *)ST_ASM330LHHX_ID,
+	},
 	{},
 };
 MODULE_DEVICE_TABLE(of, st_lsm6dsx_i2c_of_match);
@@ -122,6 +126,7 @@ static const struct i2c_device_id st_lsm6dsx_i2c_id_table[] = {
 	{ ST_LSM6DSRX_DEV_NAME, ST_LSM6DSRX_ID },
 	{ ST_LSM6DST_DEV_NAME, ST_LSM6DST_ID },
 	{ ST_LSM6DSOP_DEV_NAME, ST_LSM6DSOP_ID },
+	{ ST_ASM330LHHX_DEV_NAME, ST_ASM330LHHX_ID },
 	{},
 };
 MODULE_DEVICE_TABLE(i2c, st_lsm6dsx_i2c_id_table);
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_spi.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_spi.c
index e80110b6b280..f5767cf76c1d 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_spi.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_spi.c
@@ -101,6 +101,10 @@ static const struct of_device_id st_lsm6dsx_spi_of_match[] = {
 		.compatible = "st,lsm6dsop",
 		.data = (void *)ST_LSM6DSOP_ID,
 	},
+	{
+		.compatible = "st,asm330lhhx",
+		.data = (void *)ST_ASM330LHHX_ID,
+	},
 	{},
 };
 MODULE_DEVICE_TABLE(of, st_lsm6dsx_spi_of_match);
@@ -122,6 +126,7 @@ static const struct spi_device_id st_lsm6dsx_spi_id_table[] = {
 	{ ST_LSM6DSRX_DEV_NAME, ST_LSM6DSRX_ID },
 	{ ST_LSM6DST_DEV_NAME, ST_LSM6DST_ID },
 	{ ST_LSM6DSOP_DEV_NAME, ST_LSM6DSOP_ID },
+	{ ST_ASM330LHHX_DEV_NAME, ST_ASM330LHHX_ID },
 	{},
 };
 MODULE_DEVICE_TABLE(spi, st_lsm6dsx_spi_id_table);
-- 
2.35.1