iio: accel: st_sensors: add support for LIS2HH12

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@gaetanandre.eu>
Reviewed-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/accel/Kconfig b/drivers/iio/accel/Kconfig
index 5d91a6dda89405266ba5bbb57ea2386e2374d8b9..24ebe9e76915100e576cd2cf984d267552e12a2a 100644 (file)
--- 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 5b13e293cade71dc155ad19d322239f8553555dd..5d356288e001cbafe01492b17163e7002e28696f 100644 (file)
--- 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 e2ec5d1274953beff0ec92fd9db339558766e1a8..43c50167d220cecb17ea201dd0295bd3a1973fdd 100644 (file)
--- 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,
+       },
+
 };
 
 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 8c489312f6686e57fa39c5bc4b62070742ede7c3..821854251a7b26b2d5e6181ba3d495949ba46ece 100644 (file)
--- 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);