iio: accel: add support to LIS2DE12

Add support to STMicroelectronics LIS2DE12 accelerometer in
st_accel framework.

http://www.st.com/resource/en/datasheet/lis2de12.pdf

Signed-off-by: Robert Jones <rjones@gateworks.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/accel/Kconfig b/drivers/iio/accel/Kconfig
index 4a1f133..62a970a 100644 (file)
--- a/drivers/iio/accel/Kconfig
+++ b/drivers/iio/accel/Kconfig
@@ -223,7 +223,7 @@ 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
+         LNG2DM, LIS3DE, LIS2DE12
 
          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 fd53258..9d25955 100644 (file)
--- a/drivers/iio/accel/st_accel.h
+++ b/drivers/iio/accel/st_accel.h
@@ -34,6 +34,7 @@ enum st_accel_type {
        LIS3LV02DL,
        LIS2DW12,
        LIS3DHH,
+       LIS2DE12,
        ST_ACCEL_MAX,
 };
 
@@ -57,6 +58,7 @@ enum st_accel_type {
 #define LIS2DW12_ACCEL_DEV_NAME                "lis2dw12"
 #define LIS3DHH_ACCEL_DEV_NAME         "lis3dhh"
 #define LIS3DE_ACCEL_DEV_NAME          "lis3de"
+#define LIS2DE12_ACCEL_DEV_NAME                "lis2de12"
 
 /**
 * 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 9930edf..5ff04d9 100644 (file)
--- a/drivers/iio/accel/st_accel_core.c
+++ b/drivers/iio/accel/st_accel_core.c
@@ -831,6 +831,82 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = {
                .multi_read_bit = false,
                .bootime = 2,
        },
+       {
+               .wai = 0x33,
+               .wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS,
+               .sensors_supported = {
+                       [0] = LIS2DE12_ACCEL_DEV_NAME,
+               },
+               .ch = (struct iio_chan_spec *)st_accel_8bit_channels,
+               .odr = {
+                       .addr = 0x20,
+                       .mask = 0xf0,
+                       .odr_avl = {
+                               { .hz = 1, .value = 0x01, },
+                               { .hz = 10, .value = 0x02, },
+                               { .hz = 25, .value = 0x03, },
+                               { .hz = 50, .value = 0x04, },
+                               { .hz = 100, .value = 0x05, },
+                               { .hz = 200, .value = 0x06, },
+                               { .hz = 400, .value = 0x07, },
+                               { .hz = 1620, .value = 0x08, },
+                               { .hz = 5376, .value = 0x09, },
+                       },
+               },
+               .pw = {
+                       .addr = 0x20,
+                       .mask = 0xf0,
+                       .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(15600),
+                               },
+                               [1] = {
+                                       .num = ST_ACCEL_FS_AVL_4G,
+                                       .value = 0x01,
+                                       .gain = IIO_G_TO_M_S_2(31200),
+                               },
+                               [2] = {
+                                       .num = ST_ACCEL_FS_AVL_8G,
+                                       .value = 0x02,
+                                       .gain = IIO_G_TO_M_S_2(62500),
+                               },
+                               [3] = {
+                                       .num = ST_ACCEL_FS_AVL_16G,
+                                       .value = 0x03,
+                                       .gain = IIO_G_TO_M_S_2(187500),
+                               },
+                       },
+               },
+               .drdy_irq = {
+                       .int1 = {
+                               .addr = 0x22,
+                               .mask = 0x10,
+                       },
+                       .addr_ihl = 0x25,
+                       .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 de8ae43..4e54477 100644 (file)
--- a/drivers/iio/accel/st_accel_i2c.c
+++ b/drivers/iio/accel/st_accel_i2c.c
@@ -102,6 +102,10 @@ static const struct of_device_id st_accel_of_match[] = {
                .compatible = "st,lis3de",
                .data = LIS3DE_ACCEL_DEV_NAME,
        },
+       {
+               .compatible = "st,lis2de12",
+               .data = LIS2DE12_ACCEL_DEV_NAME,
+       },
        {},
 };
 MODULE_DEVICE_TABLE(of, st_accel_of_match);
@@ -140,6 +144,7 @@ static const struct i2c_device_id st_accel_id_table[] = {
        { LIS3LV02DL_ACCEL_DEV_NAME },
        { LIS2DW12_ACCEL_DEV_NAME },
        { LIS3DE_ACCEL_DEV_NAME },
+       { LIS2DE12_ACCEL_DEV_NAME },
        {},
 };
 MODULE_DEVICE_TABLE(i2c, st_accel_id_table);