[PATCH 1/2] iio: imu: st_lsm6dsx: add support to LSM6DSRX

Lorenzo Bianconi
2019-10-24T15:43:03Z

Add support to STM LSM6DSRX 6-axis (acc + gyro) Mems sensor
https://www.st.com/resource/en/datasheet/lsm6dsrx.pdf

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
drivers/iio/imu/st_lsm6dsx/Kconfig | 3 ++-
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h | 2 ++
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c | 8 ++++----
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c | 3 +++
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c | 5 +++++
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_spi.c | 5 +++++
6 files changed, 21 insertions(+), 5 deletions(-)

diff --git a/drivers/iio/imu/st_lsm6dsx/Kconfig b/drivers/iio/imu/st_lsm6dsx/Kconfig
index b425a356d99e..28f59d09208a 100644
--- a/drivers/iio/imu/st_lsm6dsx/Kconfig
+++ b/drivers/iio/imu/st_lsm6dsx/Kconfig
@@ -12,7 +12,8 @@ config IIO_ST_LSM6DSX
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, lsm6ds0 and the accelerometer/gyroscope of lsm9ds1.
+ ism330dhcx, lsm6dsrx, lsm6ds0 and the accelerometer/gyroscope
+ of lsm9ds1.

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 f660359ccb4d..37e499fe6bcf 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
@@ -27,6 +27,7 @@
#define ST_ISM330DHCX_DEV_NAME "ism330dhcx"
#define ST_LSM9DS1_DEV_NAME "lsm9ds1-imu"
#define ST_LSM6DS0_DEV_NAME "lsm6ds0"
+#define ST_LSM6DSRX_DEV_NAME "lsm6dsrx"

enum st_lsm6dsx_hw_id {
ST_LSM6DS3_ID,
@@ -42,6 +43,7 @@ enum st_lsm6dsx_hw_id {
ST_ISM330DHCX_ID,
ST_LSM9DS1_ID,
ST_LSM6DS0_ID,
+ ST_LSM6DSRX_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 ffeb2596b97b..31cd90d2c60e 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
@@ -14,10 +14,10 @@
* (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/ISM330DHCX: 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).
+ * LSM6DSO/LSM6DSOX/ASM330LHH/LSM6DSR/LSM6DSRX/ISM330DHCX:
+ * 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).
*
* FIFO supported modes:
* - BYPASS: FIFO disabled
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
index f9c83aa2c9b7..1f28a7733fc0 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
@@ -1084,6 +1084,9 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
}, {
.hw_id = ST_ISM330DHCX_ID,
.name = ST_ISM330DHCX_DEV_NAME,
+ }, {
+ .hw_id = ST_LSM6DSRX_ID,
+ .name = ST_LSM6DSRX_DEV_NAME,
},
},
.channels = {
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c
index e57744affbd0..cd47ec1fedcb 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c
@@ -91,6 +91,10 @@ static const struct of_device_id st_lsm6dsx_i2c_of_match[] = {
.compatible = "st,lsm6ds0",
.data = (void *)ST_LSM6DS0_ID,
},
+ {
+ .compatible = "st,lsm6dsrx",
+ .data = (void *)ST_LSM6DSRX_ID,
+ },
{},
};
MODULE_DEVICE_TABLE(of, st_lsm6dsx_i2c_of_match);
@@ -109,6 +113,7 @@ static const struct i2c_device_id st_lsm6dsx_i2c_id_table[] = {
{ ST_ISM330DHCX_DEV_NAME, ST_ISM330DHCX_ID },
{ ST_LSM9DS1_DEV_NAME, ST_LSM9DS1_ID },
{ ST_LSM6DS0_DEV_NAME, ST_LSM6DS0_ID },
+ { ST_LSM6DSRX_DEV_NAME, ST_LSM6DSRX_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 933d4f9f6a4a..67ff36eac247 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_spi.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_spi.c
@@ -91,6 +91,10 @@ static const struct of_device_id st_lsm6dsx_spi_of_match[] = {
.compatible = "st,lsm6ds0",
.data = (void *)ST_LSM6DS0_ID,
},
+ {
+ .compatible = "st,lsm6dsrx",
+ .data = (void *)ST_LSM6DSRX_ID,
+ },
{},
};
MODULE_DEVICE_TABLE(of, st_lsm6dsx_spi_of_match);
@@ -109,6 +113,7 @@ static const struct spi_device_id st_lsm6dsx_spi_id_table[] = {
{ ST_ISM330DHCX_DEV_NAME, ST_ISM330DHCX_ID },
{ ST_LSM9DS1_DEV_NAME, ST_LSM9DS1_ID },
{ ST_LSM6DS0_DEV_NAME, ST_LSM6DS0_ID },
+ { ST_LSM6DSRX_DEV_NAME, ST_LSM6DSRX_ID },
{},
};
MODULE_DEVICE_TABLE(spi, st_lsm6dsx_spi_id_table);
--
2.21.0