* [PATCH 1/2] iio: imu: st_lsm6dsx: add support to LSM6DST
2020-10-06 12:07 [PATCH 0/2] add support for LSM6DST Lorenzo Bianconi
@ 2020-10-06 12:07 ` Lorenzo Bianconi
2020-10-06 12:07 ` [PATCH 2/2] dt-bindings: iio: imu: st_lsm6dsx: add lsm6dst device bindings Lorenzo Bianconi
2020-10-10 16:27 ` [PATCH 0/2] add support for LSM6DST Jonathan Cameron
2 siblings, 0 replies; 5+ messages in thread
From: Lorenzo Bianconi @ 2020-10-06 12:07 UTC (permalink / raw)
To: jic23; +Cc: linux-iio, devicetree, lorenzo.bianconi, mario.tesi
Add support to STM LSM6DST (acc + gyro) Mems sensor
https://www.st.com/resource/en/datasheet/lsm6dst.pdf
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
drivers/iio/imu/st_lsm6dsx/Kconfig | 4 +-
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h | 2 +
.../iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c | 2 +-
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c | 207 +++++++++++++++++-
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c | 5 +
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_spi.c | 5 +
6 files changed, 221 insertions(+), 4 deletions(-)
diff --git a/drivers/iio/imu/st_lsm6dsx/Kconfig b/drivers/iio/imu/st_lsm6dsx/Kconfig
index 28f59d09208a..76c7abbd1ae8 100644
--- a/drivers/iio/imu/st_lsm6dsx/Kconfig
+++ b/drivers/iio/imu/st_lsm6dsx/Kconfig
@@ -12,8 +12,8 @@ config IIO_ST_LSM6DSX
Say yes here to build support for STMicroelectronics LSM6DSx imu
sensor. Supported devices: lsm6ds3, lsm6ds3h, lsm6dsl, lsm6dsm,
ism330dlc, lsm6dso, lsm6dsox, asm330lhh, lsm6dsr, lsm6ds3tr-c,
- ism330dhcx, lsm6dsrx, lsm6ds0 and the accelerometer/gyroscope
- of lsm9ds1.
+ ism330dhcx, lsm6dsrx, lsm6ds0, 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 9275346a9cc1..1f31657a7a0e 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
@@ -28,6 +28,7 @@
#define ST_LSM9DS1_DEV_NAME "lsm9ds1-imu"
#define ST_LSM6DS0_DEV_NAME "lsm6ds0"
#define ST_LSM6DSRX_DEV_NAME "lsm6dsrx"
+#define ST_LSM6DST_DEV_NAME "lsm6dst"
enum st_lsm6dsx_hw_id {
ST_LSM6DS3_ID,
@@ -44,6 +45,7 @@ enum st_lsm6dsx_hw_id {
ST_LSM9DS1_ID,
ST_LSM6DS0_ID,
ST_LSM6DSRX_ID,
+ ST_LSM6DST_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 12ed0a2e55e4..49923503b75a 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
@@ -14,7 +14,7 @@
* (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/LSM6DSOX/ASM330LHH/LSM6DSR/LSM6DSRX/ISM330DHCX:
+ * LSM6DSO/LSM6DSOX/ASM330LHH/LSM6DSR/LSM6DSRX/ISM330DHCX/LSM6DST:
* 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 42f485634d04..5e584c6026f1 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
@@ -26,7 +26,7 @@
* - Gyroscope supported full-scale [dps]: +-125/+-245/+-500/+-1000/+-2000
* - FIFO size: 4KB
*
- * - LSM6DSO/LSM6DSOX/ASM330LHH/LSM6DSR/ISM330DHCX:
+ * - LSM6DSO/LSM6DSOX/ASM330LHH/LSM6DSR/ISM330DHCX/LSM6DST:
* - Accelerometer/Gyroscope supported ODR [Hz]: 13, 26, 52, 104, 208, 416,
* 833
* - Accelerometer supported full-scale [g]: +-2/+-4/+-8/+-16
@@ -1334,6 +1334,211 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
.wakeup_src_x_mask = BIT(2),
}
},
+ {
+ .wai = 0x6d,
+ .reset = {
+ .addr = 0x12,
+ .mask = BIT(0),
+ },
+ .boot = {
+ .addr = 0x12,
+ .mask = BIT(7),
+ },
+ .bdu = {
+ .addr = 0x12,
+ .mask = BIT(6),
+ },
+ .max_fifo_size = 512,
+ .id = {
+ {
+ .hw_id = ST_LSM6DST_ID,
+ .name = ST_LSM6DST_DEV_NAME,
+ },
+ },
+ .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(7, 4),
+ },
+ .odr_avl[0] = { 12500, 0x01 },
+ .odr_avl[1] = { 26000, 0x02 },
+ .odr_avl[2] = { 52000, 0x03 },
+ .odr_avl[3] = { 104000, 0x04 },
+ .odr_avl[4] = { 208000, 0x05 },
+ .odr_avl[5] = { 416000, 0x06 },
+ .odr_avl[6] = { 833000, 0x07 },
+ .odr_len = 7,
+ },
+ [ST_LSM6DSX_ID_GYRO] = {
+ .reg = {
+ .addr = 0x11,
+ .mask = GENMASK(7, 4),
+ },
+ .odr_avl[0] = { 12500, 0x01 },
+ .odr_avl[1] = { 26000, 0x02 },
+ .odr_avl[2] = { 52000, 0x03 },
+ .odr_avl[3] = { 104000, 0x04 },
+ .odr_avl[4] = { 208000, 0x05 },
+ .odr_avl[5] = { 416000, 0x06 },
+ .odr_avl[6] = { 833000, 0x07 },
+ .odr_len = 7,
+ },
+ },
+ .fs_table = {
+ [ST_LSM6DSX_ID_ACC] = {
+ .reg = {
+ .addr = 0x10,
+ .mask = GENMASK(3, 2),
+ },
+ .fs_avl[0] = { IIO_G_TO_M_S_2(61000), 0x0 },
+ .fs_avl[1] = { IIO_G_TO_M_S_2(122000), 0x2 },
+ .fs_avl[2] = { IIO_G_TO_M_S_2(244000), 0x3 },
+ .fs_avl[3] = { IIO_G_TO_M_S_2(488000), 0x1 },
+ .fs_len = 4,
+ },
+ [ST_LSM6DSX_ID_GYRO] = {
+ .reg = {
+ .addr = 0x11,
+ .mask = GENMASK(3, 2),
+ },
+ .fs_avl[0] = { IIO_DEGREE_TO_RAD(8750000), 0x0 },
+ .fs_avl[1] = { IIO_DEGREE_TO_RAD(17500000), 0x1 },
+ .fs_avl[2] = { IIO_DEGREE_TO_RAD(35000000), 0x2 },
+ .fs_avl[3] = { IIO_DEGREE_TO_RAD(70000000), 0x3 },
+ .fs_len = 4,
+ },
+ },
+ .irq_config = {
+ .irq1 = {
+ .addr = 0x0d,
+ .mask = BIT(3),
+ },
+ .irq2 = {
+ .addr = 0x0e,
+ .mask = BIT(3),
+ },
+ .lir = {
+ .addr = 0x56,
+ .mask = BIT(0),
+ },
+ .clear_on_read = {
+ .addr = 0x56,
+ .mask = BIT(6),
+ },
+ .irq1_func = {
+ .addr = 0x5e,
+ .mask = BIT(5),
+ },
+ .irq2_func = {
+ .addr = 0x5f,
+ .mask = BIT(5),
+ },
+ .hla = {
+ .addr = 0x12,
+ .mask = BIT(5),
+ },
+ .od = {
+ .addr = 0x12,
+ .mask = BIT(4),
+ },
+ },
+ .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(8, 0),
+ },
+ .fifo_diff = {
+ .addr = 0x3a,
+ .mask = GENMASK(9, 0),
+ },
+ .th_wl = 1,
+ },
+ .ts_settings = {
+ .timer_en = {
+ .addr = 0x19,
+ .mask = BIT(5),
+ },
+ .decimator = {
+ .addr = 0x0a,
+ .mask = GENMASK(7, 6),
+ },
+ .freq_fine = 0x63,
+ },
+ .shub_settings = {
+ .page_mux = {
+ .addr = 0x01,
+ .mask = BIT(6),
+ },
+ .master_en = {
+ .sec_page = true,
+ .addr = 0x14,
+ .mask = BIT(2),
+ },
+ .pullup_en = {
+ .sec_page = true,
+ .addr = 0x14,
+ .mask = BIT(3),
+ },
+ .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 = 0x58,
+ .mask = BIT(7),
+ },
+ .wakeup_reg = {
+ .addr = 0x5b,
+ .mask = GENMASK(5, 0),
+ },
+ .wakeup_src_reg = 0x1b,
+ .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 0fb32131afce..e0f945dde12d 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_i2c.c
@@ -94,6 +94,10 @@ static const struct of_device_id st_lsm6dsx_i2c_of_match[] = {
.compatible = "st,lsm6dsrx",
.data = (void *)ST_LSM6DSRX_ID,
},
+ {
+ .compatible = "st,lsm6dst",
+ .data = (void *)ST_LSM6DST_ID,
+ },
{},
};
MODULE_DEVICE_TABLE(of, st_lsm6dsx_i2c_of_match);
@@ -113,6 +117,7 @@ static const struct i2c_device_id st_lsm6dsx_i2c_id_table[] = {
{ ST_LSM9DS1_DEV_NAME, ST_LSM9DS1_ID },
{ ST_LSM6DS0_DEV_NAME, ST_LSM6DS0_ID },
{ ST_LSM6DSRX_DEV_NAME, ST_LSM6DSRX_ID },
+ { ST_LSM6DST_DEV_NAME, ST_LSM6DST_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 eb1086e4a951..c57895be8afe 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_spi.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_spi.c
@@ -94,6 +94,10 @@ static const struct of_device_id st_lsm6dsx_spi_of_match[] = {
.compatible = "st,lsm6dsrx",
.data = (void *)ST_LSM6DSRX_ID,
},
+ {
+ .compatible = "st,lsm6dst",
+ .data = (void *)ST_LSM6DST_ID,
+ },
{},
};
MODULE_DEVICE_TABLE(of, st_lsm6dsx_spi_of_match);
@@ -113,6 +117,7 @@ static const struct spi_device_id st_lsm6dsx_spi_id_table[] = {
{ ST_LSM9DS1_DEV_NAME, ST_LSM9DS1_ID },
{ ST_LSM6DS0_DEV_NAME, ST_LSM6DS0_ID },
{ ST_LSM6DSRX_DEV_NAME, ST_LSM6DSRX_ID },
+ { ST_LSM6DST_DEV_NAME, ST_LSM6DST_ID },
{},
};
MODULE_DEVICE_TABLE(spi, st_lsm6dsx_spi_id_table);
--
2.26.2
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