kevin/linux
1
Fork 0
Code

iio: accel: st_accel: add support for LIS2DS12

Browse Source 
Define sensor settings for LIS2DS12 by STMicroelectronics (WhoAmI 0x43)
and add support in the I2C and SPI drivers.

Datasheet: https://www.st.com/resource/en/datasheet/lis2ds12.pdf
Signed-off-by: Kaustabh Chakraborty <kauschluss@disroot.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patch.msgid.link/20240622123520.39253-1-kauschluss@disroot.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Kaustabh Chakraborty 2024-06-22 18:03:45 +05:30 committed by Jonathan Cameron
parent a1a09713b4
commit f168a6db11
4 changed files with 92 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/iio/accel/st_accel.h
View File

@ -35,6 +35,7 @@
#define LIS3DHH_ACCEL_DEV_NAME "lis3dhh"
#define LIS3DE_ACCEL_DEV_NAME "lis3de"
#define LIS2DE12_ACCEL_DEV_NAME "lis2de12"
#define LIS2DS12_ACCEL_DEV_NAME "lis2ds12"
#define LIS2HH12_ACCEL_DEV_NAME "lis2hh12"
#define LIS302DL_ACCEL_DEV_NAME "lis302dl"
#define LSM303C_ACCEL_DEV_NAME "lsm303c_accel"

81
drivers/iio/accel/st_accel_core.c
View File

@ -925,6 +925,87 @@ static const struct st_sensor_settings st_accel_sensors_settings[] = {
.multi_read_bit = true,
.bootime = 2,
},
{
.wai = 0x43,
.wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS,
.sensors_supported = {
[0] = LIS2DS12_ACCEL_DEV_NAME,
},
.ch = (struct iio_chan_spec *)st_accel_16bit_channels,
.odr = {
.addr = 0x20,
.mask = 0xf0,
.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 = 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 = 0x20,
.mask = 0x0c,
.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),
},
[3] = {
.num = ST_ACCEL_FS_AVL_16G,
.value = 0x01,
.gain = IIO_G_TO_M_S_2(488),
},
},
},
.bdu = {
.addr = 0x20,
.mask = 0x01,
},
.drdy_irq = {
.int1 = {
.addr = 0x23,
.mask = 0x01,
},
.int2 = {
.addr = 0x24,
.mask = 0x01,
},
.addr_ihl = 0x22,
.mask_ihl = 0x02,
.stat_drdy = {
.addr = ST_SENSORS_DEFAULT_STAT_ADDR,
.mask = 0x01,
},
},
.sim = {
.addr = 0x21,
.value = BIT(0),
},
.multi_read_bit = true,
.bootime = 2,
},
{
.wai = 0x41,
.wai_addr = ST_SENSORS_DEFAULT_WAI_ADDRESS,

5
drivers/iio/accel/st_accel_i2c.c
View File

@ -102,6 +102,10 @@ static const struct of_device_id st_accel_of_match[] = {
.compatible = "st,lis2de12",
.data = LIS2DE12_ACCEL_DEV_NAME,
},
{
.compatible = "st,lis2ds12",
.data = LIS2DS12_ACCEL_DEV_NAME,
},
{
.compatible = "st,lis2hh12",
.data = LIS2HH12_ACCEL_DEV_NAME,
@ -154,6 +158,7 @@ static const struct i2c_device_id st_accel_id_table[] = {
{ LIS2DW12_ACCEL_DEV_NAME },
{ LIS3DE_ACCEL_DEV_NAME },
{ LIS2DE12_ACCEL_DEV_NAME },
{ LIS2DS12_ACCEL_DEV_NAME },
{ LIS2HH12_ACCEL_DEV_NAME },
{ LIS302DL_ACCEL_DEV_NAME },
{ LSM303C_ACCEL_DEV_NAME },

5
drivers/iio/accel/st_accel_spi.c
View File

@ -64,6 +64,10 @@ static const struct of_device_id st_accel_of_match[] = {
.compatible = "st,lis2dh12-accel",
.data = LIS2DH12_ACCEL_DEV_NAME,
},
{
.compatible = "st,lis2ds12",
.data = LIS2DS12_ACCEL_DEV_NAME,
},
{
.compatible = "st,lis3l02dq",
.data = LIS3L02DQ_ACCEL_DEV_NAME,
@ -151,6 +155,7 @@ static const struct spi_device_id st_accel_id_table[] = {
{ LSM330_ACCEL_DEV_NAME },
{ LSM303AGR_ACCEL_DEV_NAME },
{ LIS2DH12_ACCEL_DEV_NAME },
{ LIS2DS12_ACCEL_DEV_NAME },
{ LIS3L02DQ_ACCEL_DEV_NAME },
{ LNG2DM_ACCEL_DEV_NAME },
{ H3LIS331DL_ACCEL_DEV_NAME },