iio: imu: st_lsm6dsx: add support to LSM6DSV

Add support to STM LSM6DSV (accelerometer and gyroscope)
Mems sensor.

Datasheet: https://www.st.com/resource/en/datasheet/lsm6dsv.pdf
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/aad879e7af0fe583bbf043a2b93e32fade79fa19.1667216004.git.lorenzo@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/imu/st_lsm6dsx/Kconfig b/drivers/iio/imu/st_lsm6dsx/Kconfig
index 2ed2b3f..1c68bac 100644 (file)
--- a/drivers/iio/imu/st_lsm6dsx/Kconfig
+++ b/drivers/iio/imu/st_lsm6dsx/Kconfig
@@ -13,7 +13,7 @@ config IIO_ST_LSM6DSX
          sensor. Supported devices: lsm6ds3, lsm6ds3h, lsm6dsl, lsm6dsm,
          ism330dlc, lsm6dso, lsm6dsox, asm330lhh, asm330lhhx, lsm6dsr,
          lsm6ds3tr-c, ism330dhcx, lsm6dsrx, lsm6ds0, lsm6dsop, lsm6dstx,
-         the accelerometer/gyroscope of lsm9ds1 and lsm6dst.
+         lsm6dsv, the accelerometer/gyroscope of lsm9ds1 and lsm6dst.
 
          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 6399b0b..ab61895 100644 (file)
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
@@ -33,6 +33,7 @@
 #define ST_LSM6DSOP_DEV_NAME   "lsm6dsop"
 #define ST_ASM330LHHX_DEV_NAME "asm330lhhx"
 #define ST_LSM6DSTX_DEV_NAME   "lsm6dstx"
+#define ST_LSM6DSV_DEV_NAME    "lsm6dsv"
 
 enum st_lsm6dsx_hw_id {
        ST_LSM6DS3_ID,
@@ -53,6 +54,7 @@ enum st_lsm6dsx_hw_id {
        ST_LSM6DSOP_ID,
        ST_ASM330LHHX_ID,
        ST_LSM6DSTX_ID,
+       ST_LSM6DSV_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 48fe6a4..7dd5205 100644 (file)
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
@@ -15,7 +15,7 @@
  * value of the decimation factor and ODR set for each FIFO data set.
  *
  * LSM6DSO/LSM6DSOX/ASM330LHH/ASM330LHHX/LSM6DSR/LSM6DSRX/ISM330DHCX/
- * LSM6DST/LSM6DSOP/LSM6DSTX:
+ * LSM6DST/LSM6DSOP/LSM6DSTX/LSM6DSV:
  * 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).

diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
index 73fd5f0..5e716a5 100644 (file)
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
@@ -1162,6 +1162,208 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
                        .wakeup_src_x_mask = BIT(2),
                },
        },
+       {
+               .reset = {
+                       .addr = 0x12,
+                       .mask = BIT(0),
+               },
+               .boot = {
+                       .addr = 0x12,
+                       .mask = BIT(7),
+               },
+               .bdu = {
+                       .addr = 0x12,
+                       .mask = BIT(6),
+               },
+               .id = {
+                       {
+                               .hw_id = ST_LSM6DSV_ID,
+                               .name = ST_LSM6DSV_DEV_NAME,
+                               .wai = 0x70,
+                       },
+               },
+               .channels = {
+                       [ST_LSM6DSX_ID_ACC] = {
+                               .chan = st_lsm6dsx_acc_channels,
+                               .len = ARRAY_SIZE(st_lsm6dsx_acc_channels),
+                       },
+                       [ST_LSM6DSX_ID_GYRO] = {
+                               .chan = st_lsm6dsx_gyro_channels,
+                               .len = ARRAY_SIZE(st_lsm6dsx_gyro_channels),
+                       },
+               },
+               .drdy_mask = {
+                       .addr = 0x13,
+                       .mask = BIT(3),
+               },
+               .odr_table = {
+                       [ST_LSM6DSX_ID_ACC] = {
+                               .reg = {
+                                       .addr = 0x10,
+                                       .mask = GENMASK(3, 0),
+                               },
+                               .odr_avl[0] = {   7500, 0x02 },
+                               .odr_avl[1] = {  15000, 0x03 },
+                               .odr_avl[2] = {  30000, 0x04 },
+                               .odr_avl[3] = {  60000, 0x05 },
+                               .odr_avl[4] = { 120000, 0x06 },
+                               .odr_avl[5] = { 240000, 0x07 },
+                               .odr_avl[6] = { 480000, 0x08 },
+                               .odr_avl[7] = { 960000, 0x09 },
+                               .odr_len = 8,
+                       },
+                       [ST_LSM6DSX_ID_GYRO] = {
+                               .reg = {
+                                       .addr = 0x11,
+                                       .mask = GENMASK(3, 0),
+                               },
+                               .odr_avl[0] = {   7500, 0x02 },
+                               .odr_avl[1] = {  15000, 0x03 },
+                               .odr_avl[2] = {  30000, 0x04 },
+                               .odr_avl[3] = {  60000, 0x05 },
+                               .odr_avl[4] = { 120000, 0x06 },
+                               .odr_avl[5] = { 240000, 0x07 },
+                               .odr_avl[6] = { 480000, 0x08 },
+                               .odr_avl[7] = { 960000, 0x09 },
+                               .odr_len = 8,
+                       },
+               },
+               .fs_table = {
+                       [ST_LSM6DSX_ID_ACC] = {
+                               .reg = {
+                                       .addr = 0x17,
+                                       .mask = GENMASK(1, 0),
+                               },
+                               .fs_avl[0] = {  IIO_G_TO_M_S_2(61000), 0x0 },
+                               .fs_avl[1] = { IIO_G_TO_M_S_2(122000), 0x1 },
+                               .fs_avl[2] = { IIO_G_TO_M_S_2(244000), 0x2 },
+                               .fs_avl[3] = { IIO_G_TO_M_S_2(488000), 0x3 },
+                               .fs_len = 4,
+                       },
+                       [ST_LSM6DSX_ID_GYRO] = {
+                               .reg = {
+                                       .addr = 0x15,
+                                       .mask = GENMASK(3, 0),
+                               },
+                               .fs_avl[0] = {  IIO_DEGREE_TO_RAD(8750000), 0x1 },
+                               .fs_avl[1] = { IIO_DEGREE_TO_RAD(17500000), 0x2 },
+                               .fs_avl[2] = { IIO_DEGREE_TO_RAD(35000000), 0x3 },
+                               .fs_avl[3] = { IIO_DEGREE_TO_RAD(70000000), 0x4 },
+                               .fs_len = 4,
+                       },
+               },
+               .irq_config = {
+                       .irq1 = {
+                               .addr = 0x0d,
+                               .mask = BIT(3),
+                       },
+                       .irq2 = {
+                               .addr = 0x0e,
+                               .mask = BIT(3),
+                       },
+                       .lir = {
+                               .addr = 0x56,
+                               .mask = BIT(0),
+                       },
+                       .irq1_func = {
+                               .addr = 0x5e,
+                               .mask = BIT(5),
+                       },
+                       .irq2_func = {
+                               .addr = 0x5f,
+                               .mask = BIT(5),
+                       },
+                       .hla = {
+                               .addr = 0x03,
+                               .mask = BIT(4),
+                       },
+                       .od = {
+                               .addr = 0x03,
+                               .mask = BIT(3),
+                       },
+               },
+               .batch = {
+                       [ST_LSM6DSX_ID_ACC] = {
+                               .addr = 0x09,
+                               .mask = GENMASK(3, 0),
+                       },
+                       [ST_LSM6DSX_ID_GYRO] = {
+                               .addr = 0x09,
+                               .mask = GENMASK(7, 4),
+                       },
+               },
+               .fifo_ops = {
+                       .update_fifo = st_lsm6dsx_update_fifo,
+                       .read_fifo = st_lsm6dsx_read_tagged_fifo,
+                       .fifo_th = {
+                               .addr = 0x07,
+                               .mask = GENMASK(7, 0),
+                       },
+                       .fifo_diff = {
+                               .addr = 0x1b,
+                               .mask = GENMASK(8, 0),
+                       },
+                       .max_size = 512,
+                       .th_wl = 1,
+               },
+               .ts_settings = {
+                       .timer_en = {
+                               .addr = 0x50,
+                               .mask = BIT(6),
+                       },
+                       .decimator = {
+                               .addr = 0x0a,
+                               .mask = GENMASK(7, 6),
+                       },
+                       .freq_fine = 0x4f,
+               },
+               .shub_settings = {
+                       .page_mux = {
+                               .addr = 0x01,
+                               .mask = BIT(6),
+                       },
+                       .master_en = {
+                               .sec_page = true,
+                               .addr = 0x14,
+                               .mask = BIT(2),
+                       },
+                       .pullup_en = {
+                               .addr = 0x03,
+                               .mask = BIT(6),
+                       },
+                       .aux_sens = {
+                               .addr = 0x14,
+                               .mask = GENMASK(1, 0),
+                       },
+                       .wr_once = {
+                               .addr = 0x14,
+                               .mask = BIT(6),
+                       },
+                       .num_ext_dev = 3,
+                       .shub_out = {
+                               .sec_page = true,
+                               .addr = 0x02,
+                       },
+                       .slv0_addr = 0x15,
+                       .dw_slv0_addr = 0x21,
+                       .batch_en = BIT(3),
+               },
+               .event_settings = {
+                       .enable_reg = {
+                               .addr = 0x50,
+                               .mask = BIT(7),
+                       },
+                       .wakeup_reg = {
+                               .addr = 0x5b,
+                               .mask = GENMASK(5, 0),
+                       },
+                       .wakeup_src_reg = 0x45,
+                       .wakeup_src_status_mask = BIT(3),
+                       .wakeup_src_z_mask = BIT(0),
+                       .wakeup_src_y_mask = BIT(1),
+                       .wakeup_src_x_mask = BIT(2),
+               },
+       },
 };
 
 int st_lsm6dsx_set_page(struct st_lsm6dsx_hw *hw, bool enable)

diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c
index 307c8c4..239c892 100644 (file)
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c
@@ -109,6 +109,10 @@ static const struct of_device_id st_lsm6dsx_i2c_of_match[] = {
                .compatible = "st,lsm6dstx",
                .data = (void *)ST_LSM6DSTX_ID,
        },
+       {
+               .compatible = "st,lsm6dsv",
+               .data = (void *)ST_LSM6DSV_ID,
+       },
        {},
 };
 MODULE_DEVICE_TABLE(of, st_lsm6dsx_i2c_of_match);
@@ -132,6 +136,7 @@ static const struct i2c_device_id st_lsm6dsx_i2c_id_table[] = {
        { ST_LSM6DSOP_DEV_NAME, ST_LSM6DSOP_ID },
        { ST_ASM330LHHX_DEV_NAME, ST_ASM330LHHX_ID },
        { ST_LSM6DSTX_DEV_NAME, ST_LSM6DSTX_ID },
+       { ST_LSM6DSV_DEV_NAME, ST_LSM6DSV_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 6a4eecf..66705ef 100644 (file)
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_spi.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_spi.c
@@ -109,6 +109,10 @@ static const struct of_device_id st_lsm6dsx_spi_of_match[] = {
                .compatible = "st,lsm6dstx",
                .data = (void *)ST_LSM6DSTX_ID,
        },
+       {
+               .compatible = "st,lsm6dsv",
+               .data = (void *)ST_LSM6DSV_ID,
+       },
        {},
 };
 MODULE_DEVICE_TABLE(of, st_lsm6dsx_spi_of_match);
@@ -132,6 +136,7 @@ static const struct spi_device_id st_lsm6dsx_spi_id_table[] = {
        { ST_LSM6DSOP_DEV_NAME, ST_LSM6DSOP_ID },
        { ST_ASM330LHHX_DEV_NAME, ST_ASM330LHHX_ID },
        { ST_LSM6DSTX_DEV_NAME, ST_LSM6DSTX_ID },
+       { ST_LSM6DSV_DEV_NAME, ST_LSM6DSV_ID },
        {},
 };
 MODULE_DEVICE_TABLE(spi, st_lsm6dsx_spi_id_table);