Add support to STM ASM330LHH 6-axis (acc + gyro) Mems sensor https://www.st.com/resource/en/datasheet/asm330lhh.pdf Tested-by: Mario Tesi <mario.tesi@xxxxxx> 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 | 41 ++++++++++++++++++- drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c | 5 +++ drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_spi.c | 5 +++ 6 files changed, 57 insertions(+), 6 deletions(-) diff --git a/drivers/iio/imu/st_lsm6dsx/Kconfig b/drivers/iio/imu/st_lsm6dsx/Kconfig index 094fd006b63d..36048bf0455a 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 + ism330dlc, lsm6dso, asm330lhh 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 d1d8d07a0714..de2a0dc39353 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h @@ -20,6 +20,7 @@ #define ST_LSM6DSM_DEV_NAME "lsm6dsm" #define ST_ISM330DLC_DEV_NAME "ism330dlc" #define ST_LSM6DSO_DEV_NAME "lsm6dso" +#define ST_ASM330LHH_DEV_NAME "asm330lhh" enum st_lsm6dsx_hw_id { ST_LSM6DS3_ID, @@ -28,6 +29,7 @@ enum st_lsm6dsx_hw_id { ST_LSM6DSM_ID, ST_ISM330DLC_ID, ST_LSM6DSO_ID, + ST_ASM330LHH_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 2c0d3763405a..8f443bdb5b51 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: 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/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). * * 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 read FIFO routine + * st_lsm6dsx_read_tagged_fifo() - LSM6DSO/ASM330LHH read FIFO 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 12e29dda9b98..50cab3531b11 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 + * - LSM6DSO/ASM330LHH * - 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 @@ -347,6 +347,45 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .batch_en = BIT(3), } }, + { + .wai = 0x6b, + .max_fifo_size = 512, + .id = { + [0] = ST_ASM330LHH_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), + }, + }, + }, }; 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 448b7bc1e578..00b4b702645a 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c @@ -65,6 +65,10 @@ static const struct of_device_id st_lsm6dsx_i2c_of_match[] = { .compatible = "st,lsm6dso", .data = (void *)ST_LSM6DSO_ID, }, + { + .compatible = "st,asm330lhh", + .data = (void *)ST_ASM330LHH_ID, + }, {}, }; MODULE_DEVICE_TABLE(of, st_lsm6dsx_i2c_of_match); @@ -76,6 +80,7 @@ static const struct i2c_device_id st_lsm6dsx_i2c_id_table[] = { { ST_LSM6DSM_DEV_NAME, ST_LSM6DSM_ID }, { ST_ISM330DLC_DEV_NAME, ST_ISM330DLC_ID }, { ST_LSM6DSO_DEV_NAME, ST_LSM6DSO_ID }, + { ST_ASM330LHH_DEV_NAME, ST_ASM330LHH_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 b1df8a6973e6..836256c2ac7d 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_spi.c +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_spi.c @@ -65,6 +65,10 @@ static const struct of_device_id st_lsm6dsx_spi_of_match[] = { .compatible = "st,lsm6dso", .data = (void *)ST_LSM6DSO_ID, }, + { + .compatible = "st,asm330lhh", + .data = (void *)ST_ASM330LHH_ID, + }, {}, }; MODULE_DEVICE_TABLE(of, st_lsm6dsx_spi_of_match); @@ -76,6 +80,7 @@ static const struct spi_device_id st_lsm6dsx_spi_id_table[] = { { ST_LSM6DSM_DEV_NAME, ST_LSM6DSM_ID }, { ST_ISM330DLC_DEV_NAME, ST_ISM330DLC_ID }, { ST_LSM6DSO_DEV_NAME, ST_LSM6DSO_ID }, + { ST_ASM330LHH_DEV_NAME, ST_ASM330LHH_ID }, {}, }; MODULE_DEVICE_TABLE(spi, st_lsm6dsx_spi_id_table); -- 2.20.1
