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iio: imu: st_lsm6dsx: add support to LSM6DSR
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@kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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932f98922f
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6 changed files with 83 additions and 6 deletions
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@ -9,7 +9,7 @@ config IIO_ST_LSM6DSX
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help
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Say yes here to build support for STMicroelectronics LSM6DSx imu
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sensor. Supported devices: lsm6ds3, lsm6ds3h, lsm6dsl, lsm6dsm,
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ism330dlc, lsm6dso, lsm6dsox, asm330lhh
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ism330dlc, lsm6dso, lsm6dsox, asm330lhh, lsm6dsr
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To compile this driver as a module, choose M here: the module
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will be called st_lsm6dsx.
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@ -22,6 +22,7 @@
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#define ST_LSM6DSO_DEV_NAME "lsm6dso"
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#define ST_ASM330LHH_DEV_NAME "asm330lhh"
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#define ST_LSM6DSOX_DEV_NAME "lsm6dsox"
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#define ST_LSM6DSR_DEV_NAME "lsm6dsr"
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enum st_lsm6dsx_hw_id {
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ST_LSM6DS3_ID,
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@ -32,6 +33,7 @@ enum st_lsm6dsx_hw_id {
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ST_LSM6DSO_ID,
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ST_ASM330LHH_ID,
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ST_LSM6DSOX_ID,
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ST_LSM6DSR_ID,
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ST_LSM6DSX_MAX_ID,
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};
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@ -13,9 +13,9 @@
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* (e.g. Gx, Gy, Gz, Ax, Ay, Az), then data are repeated depending on the
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* value of the decimation factor and ODR set for each FIFO data set.
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*
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* LSM6DSO/LSM6DSOX/ASM330LHH: The FIFO buffer can be configured to store data
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* from gyroscope and accelerometer. Each sample is queued with a tag (1B)
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* indicating data source (gyroscope, accelerometer, hw timer).
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* LSM6DSO/LSM6DSOX/ASM330LHH/LSM6DSR: The FIFO buffer can be configured to
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* store data from gyroscope and accelerometer. Each sample is queued with
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* a tag (1B) indicating data source (gyroscope, accelerometer, hw timer).
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*
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* FIFO supported modes:
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* - BYPASS: FIFO disabled
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@ -506,7 +506,7 @@ st_lsm6dsx_push_tagged_data(struct st_lsm6dsx_hw *hw, u8 tag,
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}
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/**
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* st_lsm6dsx_read_tagged_fifo() - LSM6DSO/LSM6DSOX/ASM330LHH read FIFO routine
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* st_lsm6dsx_read_tagged_fifo() - tagged hw FIFO read routine
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* @hw: Pointer to instance of struct st_lsm6dsx_hw.
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*
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* Read samples from the hw FIFO and push them to IIO buffers.
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@ -23,7 +23,7 @@
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* - Gyroscope supported full-scale [dps]: +-125/+-245/+-500/+-1000/+-2000
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* - FIFO size: 4KB
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*
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* - LSM6DSO/LSM6DSOX/ASM330LHH
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* - LSM6DSO/LSM6DSOX/ASM330LHH/LSM6DSR
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* - Accelerometer/Gyroscope supported ODR [Hz]: 13, 26, 52, 104, 208, 416
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* - Accelerometer supported full-scale [g]: +-2/+-4/+-8/+-16
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* - Gyroscope supported full-scale [dps]: +-125/+-245/+-500/+-1000/+-2000
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@ -387,6 +387,71 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
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},
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},
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},
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{
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.wai = 0x6b,
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.max_fifo_size = 512,
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.id = {
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[0] = ST_LSM6DSR_ID,
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},
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.batch = {
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[ST_LSM6DSX_ID_ACC] = {
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.addr = 0x09,
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.mask = GENMASK(3, 0),
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},
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[ST_LSM6DSX_ID_GYRO] = {
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.addr = 0x09,
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.mask = GENMASK(7, 4),
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},
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},
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.fifo_ops = {
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.read_fifo = st_lsm6dsx_read_tagged_fifo,
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.fifo_th = {
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.addr = 0x07,
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.mask = GENMASK(8, 0),
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},
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.fifo_diff = {
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.addr = 0x3a,
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.mask = GENMASK(8, 0),
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},
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.th_wl = 1,
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},
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.ts_settings = {
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.timer_en = {
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.addr = 0x19,
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.mask = BIT(5),
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},
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.decimator = {
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.addr = 0x0a,
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.mask = GENMASK(7, 6),
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},
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},
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.shub_settings = {
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.page_mux = {
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.addr = 0x01,
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.mask = BIT(6),
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},
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.master_en = {
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.addr = 0x14,
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.mask = BIT(2),
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},
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.pullup_en = {
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.addr = 0x14,
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.mask = BIT(3),
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},
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.aux_sens = {
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.addr = 0x14,
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.mask = GENMASK(1, 0),
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},
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.wr_once = {
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.addr = 0x14,
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.mask = BIT(6),
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},
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.shub_out = 0x02,
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.slv0_addr = 0x15,
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.dw_slv0_addr = 0x21,
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.batch_en = BIT(3),
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}
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},
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};
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static const struct iio_chan_spec st_lsm6dsx_acc_channels[] = {
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@ -73,6 +73,10 @@ static const struct of_device_id st_lsm6dsx_i2c_of_match[] = {
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.compatible = "st,lsm6dsox",
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.data = (void *)ST_LSM6DSOX_ID,
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},
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{
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.compatible = "st,lsm6dsr",
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.data = (void *)ST_LSM6DSR_ID,
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},
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{},
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};
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MODULE_DEVICE_TABLE(of, st_lsm6dsx_i2c_of_match);
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@ -86,6 +90,7 @@ static const struct i2c_device_id st_lsm6dsx_i2c_id_table[] = {
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{ ST_LSM6DSO_DEV_NAME, ST_LSM6DSO_ID },
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{ ST_ASM330LHH_DEV_NAME, ST_ASM330LHH_ID },
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{ ST_LSM6DSOX_DEV_NAME, ST_LSM6DSOX_ID },
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{ ST_LSM6DSR_DEV_NAME, ST_LSM6DSR_ID },
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{},
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};
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MODULE_DEVICE_TABLE(i2c, st_lsm6dsx_i2c_id_table);
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@ -73,6 +73,10 @@ static const struct of_device_id st_lsm6dsx_spi_of_match[] = {
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.compatible = "st,lsm6dsox",
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.data = (void *)ST_LSM6DSOX_ID,
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},
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{
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.compatible = "st,lsm6dsr",
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.data = (void *)ST_LSM6DSR_ID,
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},
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{},
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};
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MODULE_DEVICE_TABLE(of, st_lsm6dsx_spi_of_match);
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@ -86,6 +90,7 @@ static const struct spi_device_id st_lsm6dsx_spi_id_table[] = {
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{ ST_LSM6DSO_DEV_NAME, ST_LSM6DSO_ID },
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{ ST_ASM330LHH_DEV_NAME, ST_ASM330LHH_ID },
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{ ST_LSM6DSOX_DEV_NAME, ST_LSM6DSOX_ID },
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{ ST_LSM6DSR_DEV_NAME, ST_LSM6DSR_ID },
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{},
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};
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MODULE_DEVICE_TABLE(spi, st_lsm6dsx_spi_id_table);
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