Hi, On Mon, Mar 30, 2020 at 04:19:23PM +0200, Gaëtan André wrote: > Add support for STMicroelectronics LISHH12 accelerometer in st_accel > framework. > > https://www.st.com/resource/en/datasheet/lis2hh12.pdf > > Signed-off-by: Gaëtan André <rvlander@xxxxxxxxxxxxxx> Thanks a lot for sending this patch upstream! > --- > drivers/iio/accel/Kconfig | 2 +- > drivers/iio/accel/st_accel.h | 2 + > drivers/iio/accel/st_accel_core.c | 77 +++++++++++++++++++++++++++++++ > drivers/iio/accel/st_accel_i2c.c | 5 ++ > 4 files changed, 85 insertions(+), 1 deletion(-) > > diff --git a/drivers/iio/accel/Kconfig b/drivers/iio/accel/Kconfig > index 5d91a6dda894..24ebe9e76915 100644 > --- a/drivers/iio/accel/Kconfig > +++ b/drivers/iio/accel/Kconfig > @@ -238,7 +238,7 @@ config IIO_ST_ACCEL_3AXIS > Say yes here to build support for STMicroelectronics accelerometers: > LSM303DLH, LSM303DLHC, LIS3DH, LSM330D, LSM330DL, LSM330DLC, > LIS331DLH, LSM303DL, LSM303DLM, LSM330, LIS2DH12, H3LIS331DL, > - LNG2DM, LIS3DE, LIS2DE12 > + LNG2DM, LIS3DE, LIS2DE12, LIS2HH12 > > This driver can also be built as a module. If so, these modules > will be created: > diff --git a/drivers/iio/accel/st_accel.h b/drivers/iio/accel/st_accel.h > index 5b13e293cade..5d356288e001 100644 > --- a/drivers/iio/accel/st_accel.h > +++ b/drivers/iio/accel/st_accel.h > @@ -35,6 +35,7 @@ enum st_accel_type { > LIS2DW12, > LIS3DHH, > LIS2DE12, > + LIS2HH12, > ST_ACCEL_MAX, > }; > > @@ -59,6 +60,7 @@ enum st_accel_type { > #define LIS3DHH_ACCEL_DEV_NAME "lis3dhh" > #define LIS3DE_ACCEL_DEV_NAME "lis3de" > #define LIS2DE12_ACCEL_DEV_NAME "lis2de12" > +#define LIS2HH12_ACCEL_DEV_NAME "lis2hh12" > > /** > * struct st_sensors_platform_data - default accel platform data > diff --git a/drivers/iio/accel/st_accel_core.c b/drivers/iio/accel/st_accel_core.c > index e2ec5d127495..43c50167d220 100644 > --- a/drivers/iio/accel/st_accel_core.c > +++ b/drivers/iio/accel/st_accel_core.c > @@ -904,6 +904,83 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = { > .multi_read_bit = true, > .bootime = 2, > }, > + { > + .wai = 0x41, > + .wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS, > + .sensors_supported = { > + [0] = LIS2HH12_ACCEL_DEV_NAME, > + }, > + .ch = (struct iio_chan_spec *)st_accel_16bit_channels, > + .odr = { > + .addr = 0x20, > + .mask = 0x70, > + .odr_avl = { > + { .hz = 10, .value = 0x01, }, > + { .hz = 50, .value = 0x02, }, > + { .hz = 100, .value = 0x03, }, > + { .hz = 200, .value = 0x04, }, > + { .hz = 400, .value = 0x05, }, > + { .hz = 800, .value = 0x06, }, > + }, > + }, > + .pw = { > + .addr = 0x20, > + .mask = 0x70, > + .value_off = ST_SENSORS_DEFAULT_POWER_OFF_VALUE, > + }, > + .enable_axis = { > + .addr = ST_SENSORS_DEFAULT_AXIS_ADDR, > + .mask = ST_SENSORS_DEFAULT_AXIS_MASK, > + }, > + .fs = { > + .addr = 0x23, > + .mask = 0x30, > + .fs_avl = { > + [0] = { > + .num = ST_ACCEL_FS_AVL_2G, > + .value = 0x00, > + .gain = IIO_G_TO_M_S_2(61), > + }, > + [1] = { > + .num = ST_ACCEL_FS_AVL_4G, > + .value = 0x02, > + .gain = IIO_G_TO_M_S_2(122), > + }, > + [2] = { > + .num = ST_ACCEL_FS_AVL_8G, > + .value = 0x03, > + .gain = IIO_G_TO_M_S_2(244), > + }, > + }, > + }, > + .bdu = { > + .addr = 0x20, > + .mask = 0x08, > + }, > + .drdy_irq = { > + .int1 = { > + .addr = 0x22, > + .mask = 0x01, > + }, > + .int2 = { > + .addr = 0x25, > + .mask = 0x01, > + }, > + .addr_ihl = 0x24, > + .mask_ihl = 0x02, > + .stat_drdy = { > + .addr = ST_SENSORS_DEFAULT_STAT_ADDR, > + .mask = 0x07, > + }, > + }, > + .sim = { > + .addr = 0x23, > + .value = BIT(0), > + }, > + .multi_read_bit = true, > + .bootime = 2, > + }, > + > }; I checked that this conforms to the information in the linked datasheet: Reviewed-by: Stephan Gerhold <stephan@xxxxxxxxxxx> > > static int st_accel_read_raw(struct iio_dev *indio_dev, > diff --git a/drivers/iio/accel/st_accel_i2c.c b/drivers/iio/accel/st_accel_i2c.c > index 8c489312f668..821854251a7b 100644 > --- a/drivers/iio/accel/st_accel_i2c.c > +++ b/drivers/iio/accel/st_accel_i2c.c > @@ -104,6 +104,10 @@ static const struct of_device_id st_accel_of_match[] = { > .compatible = "st,lis2de12", > .data = LIS2DE12_ACCEL_DEV_NAME, > }, > + { > + .compatible = "st,lis2hh12", > + .data = LIS2HH12_ACCEL_DEV_NAME, > + }, > {}, > }; > MODULE_DEVICE_TABLE(of, st_accel_of_match); > @@ -138,6 +142,7 @@ static const struct i2c_device_id st_accel_id_table[] = { > { LIS2DW12_ACCEL_DEV_NAME }, > { LIS3DE_ACCEL_DEV_NAME }, > { LIS2DE12_ACCEL_DEV_NAME }, > + { LIS2HH12_ACCEL_DEV_NAME }, > {}, > }; > MODULE_DEVICE_TABLE(i2c, st_accel_id_table); > -- > 2.26.0