Add support to STM LSM6DSR 6-axis (acc + gyro) Mems sensor https://www.st.com/resource/en/datasheet/lsm6dsr.pdf Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx> --- drivers/iio/imu/st_lsm6dsx/Kconfig | 2 +- drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h | 2 + .../iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c | 8 +-- drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c | 67 ++++++++++++++++++- drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c | 5 ++ drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_spi.c | 5 ++ 6 files changed, 83 insertions(+), 6 deletions(-) diff --git a/drivers/iio/imu/st_lsm6dsx/Kconfig b/drivers/iio/imu/st_lsm6dsx/Kconfig index 8dcf5137b8da..9e592973a8a6 100644 --- a/drivers/iio/imu/st_lsm6dsx/Kconfig +++ b/drivers/iio/imu/st_lsm6dsx/Kconfig @@ -9,7 +9,7 @@ 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 + ism330dlc, lsm6dso, lsm6dsox, asm330lhh, lsm6dsr 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 0a0c56c1701d..004a8a1a0027 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h @@ -22,6 +22,7 @@ #define ST_LSM6DSO_DEV_NAME "lsm6dso" #define ST_ASM330LHH_DEV_NAME "asm330lhh" #define ST_LSM6DSOX_DEV_NAME "lsm6dsox" +#define ST_LSM6DSR_DEV_NAME "lsm6dsr" enum st_lsm6dsx_hw_id { ST_LSM6DS3_ID, @@ -32,6 +33,7 @@ enum st_lsm6dsx_hw_id { ST_LSM6DSO_ID, ST_ASM330LHH_ID, ST_LSM6DSOX_ID, + ST_LSM6DSR_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 2da8c5ff699a..ef1728528e2f 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c @@ -13,9 +13,9 @@ * (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: 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: 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 @@ -506,7 +506,7 @@ st_lsm6dsx_push_tagged_data(struct st_lsm6dsx_hw *hw, u8 tag, } /** - * st_lsm6dsx_read_tagged_fifo() - LSM6DSO/LSM6DSOX/ASM330LHH read FIFO routine + * st_lsm6dsx_read_tagged_fifo() - tagged hw FIFO read routine * @hw: Pointer to instance of struct st_lsm6dsx_hw. * * Read samples from the hw FIFO and push them to IIO buffers. diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c index c167ae2c21ab..04124cc277dd 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c @@ -23,7 +23,7 @@ * - Gyroscope supported full-scale [dps]: +-125/+-245/+-500/+-1000/+-2000 * - FIFO size: 4KB * - * - LSM6DSO/LSM6DSOX/ASM330LHH + * - LSM6DSO/LSM6DSOX/ASM330LHH/LSM6DSR * - 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 @@ -387,6 +387,71 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { }, }, }, + { + .wai = 0x6b, + .max_fifo_size = 512, + .id = { + [0] = ST_LSM6DSR_ID, + }, + .batch = { + [ST_LSM6DSX_ID_ACC] = { + .addr = 0x09, + .mask = GENMASK(3, 0), + }, + [ST_LSM6DSX_ID_GYRO] = { + .addr = 0x09, + .mask = GENMASK(7, 4), + }, + }, + .fifo_ops = { + .read_fifo = st_lsm6dsx_read_tagged_fifo, + .fifo_th = { + .addr = 0x07, + .mask = GENMASK(8, 0), + }, + .fifo_diff = { + .addr = 0x3a, + .mask = GENMASK(8, 0), + }, + .th_wl = 1, + }, + .ts_settings = { + .timer_en = { + .addr = 0x19, + .mask = BIT(5), + }, + .decimator = { + .addr = 0x0a, + .mask = GENMASK(7, 6), + }, + }, + .shub_settings = { + .page_mux = { + .addr = 0x01, + .mask = BIT(6), + }, + .master_en = { + .addr = 0x14, + .mask = BIT(2), + }, + .pullup_en = { + .addr = 0x14, + .mask = BIT(3), + }, + .aux_sens = { + .addr = 0x14, + .mask = GENMASK(1, 0), + }, + .wr_once = { + .addr = 0x14, + .mask = BIT(6), + }, + .shub_out = 0x02, + .slv0_addr = 0x15, + .dw_slv0_addr = 0x21, + .batch_en = BIT(3), + } + }, }; static const struct iio_chan_spec st_lsm6dsx_acc_channels[] = { diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c index 0bfc66d2d772..f54370196098 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c @@ -73,6 +73,10 @@ static const struct of_device_id st_lsm6dsx_i2c_of_match[] = { .compatible = "st,lsm6dsox", .data = (void *)ST_LSM6DSOX_ID, }, + { + .compatible = "st,lsm6dsr", + .data = (void *)ST_LSM6DSR_ID, + }, {}, }; MODULE_DEVICE_TABLE(of, st_lsm6dsx_i2c_of_match); @@ -86,6 +90,7 @@ static const struct i2c_device_id st_lsm6dsx_i2c_id_table[] = { { ST_LSM6DSO_DEV_NAME, ST_LSM6DSO_ID }, { ST_ASM330LHH_DEV_NAME, ST_ASM330LHH_ID }, { ST_LSM6DSOX_DEV_NAME, ST_LSM6DSOX_ID }, + { ST_LSM6DSR_DEV_NAME, ST_LSM6DSR_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 9f46d4ce9fc1..4a4abb2935da 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_spi.c +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_spi.c @@ -73,6 +73,10 @@ static const struct of_device_id st_lsm6dsx_spi_of_match[] = { .compatible = "st,lsm6dsox", .data = (void *)ST_LSM6DSOX_ID, }, + { + .compatible = "st,lsm6dsr", + .data = (void *)ST_LSM6DSR_ID, + }, {}, }; MODULE_DEVICE_TABLE(of, st_lsm6dsx_spi_of_match); @@ -86,6 +90,7 @@ static const struct spi_device_id st_lsm6dsx_spi_id_table[] = { { ST_LSM6DSO_DEV_NAME, ST_LSM6DSO_ID }, { ST_ASM330LHH_DEV_NAME, ST_ASM330LHH_ID }, { ST_LSM6DSOX_DEV_NAME, ST_LSM6DSOX_ID }, + { ST_LSM6DSR_DEV_NAME, ST_LSM6DSR_ID }, {}, }; MODULE_DEVICE_TABLE(spi, st_lsm6dsx_spi_id_table); -- 2.20.1
