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iio: imu: st_lsm6dsx: add support to lsm6ds3h

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Add support to STM LSM6DS3H 6-axis (acc + gyro) Mems sensor

http://www.st.com/resource/en/datasheet/lsm6ds3h.pdf
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Lorenzo Bianconi 2017-01-29 11:49:27 +01:00 committed by Jonathan Cameron
parent 3e9b1222ef
commit df47710a6e
6 changed files with 26 additions and 6 deletions
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2
drivers/iio/imu/st_lsm6dsx/Kconfig
View file

@ -8,7 +8,7 @@ config IIO_ST_LSM6DSX
select IIO_ST_LSM6DSX_SPI if (SPI_MASTER)
help
Say yes here to build support for STMicroelectronics LSM6DSx imu
sensor. Supported devices: lsm6ds3, lsm6dsl, lsm6dsm
sensor. Supported devices: lsm6ds3, lsm6ds3h, lsm6dsl, lsm6dsm
To compile this driver as a module, choose M here: the module
will be called st_lsm6dsx.

2
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
View file

@ -15,11 +15,13 @@
#include <linux/device.h>
#define ST_LSM6DS3_DEV_NAME "lsm6ds3"
#define ST_LSM6DS3H_DEV_NAME "lsm6ds3h"
#define ST_LSM6DSL_DEV_NAME "lsm6dsl"
#define ST_LSM6DSM_DEV_NAME "lsm6dsm"
enum st_lsm6dsx_hw_id {
ST_LSM6DS3_ID,
ST_LSM6DS3H_ID,
ST_LSM6DSL_ID,
ST_LSM6DSM_ID,
ST_LSM6DSX_MAX_ID,

9
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
View file

@ -1,9 +1,10 @@
/*
* STMicroelectronics st_lsm6dsx FIFO buffer library driver
*
* LSM6DS3/LSM6DSL/LSM6DSM: The FIFO buffer can be configured to store data
* from gyroscope and accelerometer. Samples are queued without any tag
* according to a specific pattern based on 'FIFO data sets' (6 bytes each):
* LSM6DS3/LSM6DS3H/LSM6DSL/LSM6DSM: The FIFO buffer can be configured
* to store data from gyroscope and accelerometer. Samples are queued
* without any tag according to a specific pattern based on 'FIFO data sets'
* (6 bytes each):
* - 1st data set is reserved for gyroscope data
* - 2nd data set is reserved for accelerometer data
* The FIFO pattern changes depending on the ODRs and decimation factors
@ -206,7 +207,7 @@ int st_lsm6dsx_update_watermark(struct st_lsm6dsx_sensor *sensor, u16 watermark)
}
/**
* st_lsm6dsx_read_fifo() - LSM6DS3-LSM6DSL-LSM6DSM read FIFO routine
* st_lsm6dsx_read_fifo() - LSM6DS3-LSM6DS3H-LSM6DSL-LSM6DSM read FIFO routine
* @hw: Pointer to instance of struct st_lsm6dsx_hw.
*
* Read samples from the hw FIFO and push them to IIO buffers.

9
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
View file

@ -17,7 +17,7 @@
* - Gyroscope supported full-scale [dps]: +-125/+-245/+-500/+-1000/+-2000
* - FIFO size: 8KB
*
* - LSM6DSL/LSM6DSM:
* - LSM6DS3H/LSM6DSL/LSM6DSM:
* - Accelerometer/Gyroscope supported ODR [Hz]: 13, 26, 52, 104, 208, 416
* - Accelerometer supported full-scale [g]: +-2/+-4/+-8/+-16
* - Gyroscope supported full-scale [dps]: +-125/+-245/+-500/+-1000/+-2000
@ -164,6 +164,13 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
[0] = ST_LSM6DS3_ID,
},
},
{
.wai = 0x69,
.max_fifo_size = 4096,
.id = {
[0] = ST_LSM6DS3H_ID,
},
},
{
.wai = 0x6a,
.max_fifo_size = 4096,

5
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c
View file

@ -70,6 +70,10 @@ static const struct of_device_id st_lsm6dsx_i2c_of_match[] = {
.compatible = "st,lsm6ds3",
.data = (void *)ST_LSM6DS3_ID,
},
{
.compatible = "st,lsm6ds3h",
.data = (void *)ST_LSM6DS3H_ID,
},
{
.compatible = "st,lsm6dsl",
.data = (void *)ST_LSM6DSL_ID,
@ -84,6 +88,7 @@ MODULE_DEVICE_TABLE(of, st_lsm6dsx_i2c_of_match);
static const struct i2c_device_id st_lsm6dsx_i2c_id_table[] = {
{ ST_LSM6DS3_DEV_NAME, ST_LSM6DS3_ID },
{ ST_LSM6DS3H_DEV_NAME, ST_LSM6DS3H_ID },
{ ST_LSM6DSL_DEV_NAME, ST_LSM6DSL_ID },
{ ST_LSM6DSM_DEV_NAME, ST_LSM6DSM_ID },
{},

5
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_spi.c
View file

@ -87,6 +87,10 @@ static const struct of_device_id st_lsm6dsx_spi_of_match[] = {
.compatible = "st,lsm6ds3",
.data = (void *)ST_LSM6DS3_ID,
},
{
.compatible = "st,lsm6ds3h",
.data = (void *)ST_LSM6DS3H_ID,
},
{
.compatible = "st,lsm6dsl",
.data = (void *)ST_LSM6DSL_ID,
@ -101,6 +105,7 @@ MODULE_DEVICE_TABLE(of, st_lsm6dsx_spi_of_match);
static const struct spi_device_id st_lsm6dsx_spi_id_table[] = {
{ ST_LSM6DS3_DEV_NAME, ST_LSM6DS3_ID },
{ ST_LSM6DS3H_DEV_NAME, ST_LSM6DS3H_ID },
{ ST_LSM6DSL_DEV_NAME, ST_LSM6DSL_ID },
{ ST_LSM6DSM_DEV_NAME, ST_LSM6DSM_ID },
{},