aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/iio
diff options
context:
space:
mode:
authorLorenzo Bianconi <lorenzo@kernel.org>2019-10-06 15:21:59 +0200
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2019-10-15 21:11:04 +0100
commit66b662a1760e4c21af6f3aaf8dd575363c174473 (patch)
treed99ad3b659440bf522a20c27e668eadeabbfc4d0 /drivers/iio
parentiio: imu: st_lsm6dsx: do not access active-low/open-drain regs if not supported (diff)
downloadlinux-dev-66b662a1760e4c21af6f3aaf8dd575363c174473.tar.xz
linux-dev-66b662a1760e4c21af6f3aaf8dd575363c174473.zip
iio: imu: st_lsm6dsx: move bdu/boot and reset register info in hw_settings
Move bdu, boot and reset register definitions in hw_settings register map since not all supported sensors (e.g lsm9ds1) rely on the same definitions Fixes: 52f4b1f19679 ("iio: imu: st_lsm6dsx: add support for accel/gyro unit of lsm9ds1") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio')
-rw-r--r--drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h8
-rw-r--r--drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c113
2 files changed, 99 insertions, 22 deletions
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
index 2fb92f765226..7dbce8b971ef 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h
@@ -238,7 +238,9 @@ struct st_lsm6dsx_ext_dev_settings {
/**
* struct st_lsm6dsx_settings - ST IMU sensor settings
* @wai: Sensor WhoAmI default value.
- * @reset_addr: register address for reset/reboot
+ * @reset: register address for reset.
+ * @boot: register address for boot.
+ * @bdu: register address for Block Data Update.
* @max_fifo_size: Sensor max fifo length in FIFO words.
* @id: List of hw id/device name supported by the driver configuration.
* @channels: IIO channels supported by the device.
@@ -253,7 +255,9 @@ struct st_lsm6dsx_ext_dev_settings {
*/
struct st_lsm6dsx_settings {
u8 wai;
- u8 reset_addr;
+ struct st_lsm6dsx_reg reset;
+ struct st_lsm6dsx_reg boot;
+ struct st_lsm6dsx_reg bdu;
u16 max_fifo_size;
struct {
enum st_lsm6dsx_hw_id hw_id;
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
index 1f29dd24dcae..854489e024ad 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
@@ -62,10 +62,6 @@
#include "st_lsm6dsx.h"
#define ST_LSM6DSX_REG_WHOAMI_ADDR 0x0f
-#define ST_LSM6DSX_REG_RESET_MASK BIT(0)
-#define ST_LSM6DSX_REG_BOOT_MASK BIT(7)
-#define ST_LSM6DSX_REG_BDU_ADDR 0x12
-#define ST_LSM6DSX_REG_BDU_MASK BIT(6)
static const struct iio_chan_spec st_lsm6dsx_acc_channels[] = {
ST_LSM6DSX_CHANNEL_ACC(IIO_ACCEL, 0x28, IIO_MOD_X, 0),
@@ -91,7 +87,18 @@ static const struct iio_chan_spec st_lsm6ds0_gyro_channels[] = {
static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
{
.wai = 0x68,
- .reset_addr = 0x22,
+ .reset = {
+ .addr = 0x22,
+ .mask = BIT(0),
+ },
+ .boot = {
+ .addr = 0x22,
+ .mask = BIT(7),
+ },
+ .bdu = {
+ .addr = 0x22,
+ .mask = BIT(6),
+ },
.max_fifo_size = 32,
.id = {
{
@@ -179,7 +186,18 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
},
{
.wai = 0x69,
- .reset_addr = 0x12,
+ .reset = {
+ .addr = 0x12,
+ .mask = BIT(0),
+ },
+ .boot = {
+ .addr = 0x12,
+ .mask = BIT(7),
+ },
+ .bdu = {
+ .addr = 0x12,
+ .mask = BIT(6),
+ },
.max_fifo_size = 1365,
.id = {
{
@@ -332,7 +350,18 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
},
{
.wai = 0x69,
- .reset_addr = 0x12,
+ .reset = {
+ .addr = 0x12,
+ .mask = BIT(0),
+ },
+ .boot = {
+ .addr = 0x12,
+ .mask = BIT(7),
+ },
+ .bdu = {
+ .addr = 0x12,
+ .mask = BIT(6),
+ },
.max_fifo_size = 682,
.id = {
{
@@ -485,7 +514,18 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
},
{
.wai = 0x6a,
- .reset_addr = 0x12,
+ .reset = {
+ .addr = 0x12,
+ .mask = BIT(0),
+ },
+ .boot = {
+ .addr = 0x12,
+ .mask = BIT(7),
+ },
+ .bdu = {
+ .addr = 0x12,
+ .mask = BIT(6),
+ },
.max_fifo_size = 682,
.id = {
{
@@ -651,7 +691,18 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
},
{
.wai = 0x6c,
- .reset_addr = 0x12,
+ .reset = {
+ .addr = 0x12,
+ .mask = BIT(0),
+ },
+ .boot = {
+ .addr = 0x12,
+ .mask = BIT(7),
+ },
+ .bdu = {
+ .addr = 0x12,
+ .mask = BIT(6),
+ },
.max_fifo_size = 512,
.id = {
{
@@ -810,7 +861,18 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
},
{
.wai = 0x6b,
- .reset_addr = 0x12,
+ .reset = {
+ .addr = 0x12,
+ .mask = BIT(0),
+ },
+ .boot = {
+ .addr = 0x12,
+ .mask = BIT(7),
+ },
+ .bdu = {
+ .addr = 0x12,
+ .mask = BIT(6),
+ },
.max_fifo_size = 512,
.id = {
{
@@ -963,7 +1025,18 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = {
},
{
.wai = 0x6b,
- .reset_addr = 0x12,
+ .reset = {
+ .addr = 0x12,
+ .mask = BIT(0),
+ },
+ .boot = {
+ .addr = 0x12,
+ .mask = BIT(7),
+ },
+ .bdu = {
+ .addr = 0x12,
+ .mask = BIT(6),
+ },
.max_fifo_size = 512,
.id = {
{
@@ -1788,27 +1861,27 @@ static int st_lsm6dsx_init_device(struct st_lsm6dsx_hw *hw)
int err;
/* device sw reset */
- err = regmap_update_bits(hw->regmap, hw->settings->reset_addr,
- ST_LSM6DSX_REG_RESET_MASK,
- FIELD_PREP(ST_LSM6DSX_REG_RESET_MASK, 1));
+ reg = &hw->settings->reset;
+ err = regmap_update_bits(hw->regmap, reg->addr, reg->mask,
+ ST_LSM6DSX_SHIFT_VAL(1, reg->mask));
if (err < 0)
return err;
msleep(50);
/* reload trimming parameter */
- err = regmap_update_bits(hw->regmap, hw->settings->reset_addr,
- ST_LSM6DSX_REG_BOOT_MASK,
- FIELD_PREP(ST_LSM6DSX_REG_BOOT_MASK, 1));
+ reg = &hw->settings->boot;
+ err = regmap_update_bits(hw->regmap, reg->addr, reg->mask,
+ ST_LSM6DSX_SHIFT_VAL(1, reg->mask));
if (err < 0)
return err;
msleep(50);
/* enable Block Data Update */
- err = regmap_update_bits(hw->regmap, ST_LSM6DSX_REG_BDU_ADDR,
- ST_LSM6DSX_REG_BDU_MASK,
- FIELD_PREP(ST_LSM6DSX_REG_BDU_MASK, 1));
+ reg = &hw->settings->bdu;
+ err = regmap_update_bits(hw->regmap, reg->addr, reg->mask,
+ ST_LSM6DSX_SHIFT_VAL(1, reg->mask));
if (err < 0)
return err;