It can be used exactly like L3GD20 but it has a different WhoAmI
register value.
Signed-off-by: Robert Dolca <robert.dolca@xxxxxxxxx>
---
drivers/iio/gyro/st_gyro_core.c | 83 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 83 insertions(+)
diff --git a/drivers/iio/gyro/st_gyro_core.c b/drivers/iio/gyro/st_gyro_core.c
index f07a233..21395f2 100644
--- a/drivers/iio/gyro/st_gyro_core.c
+++ b/drivers/iio/gyro/st_gyro_core.c
@@ -87,6 +87,31 @@
#define ST_GYRO_2_DRDY_IRQ_INT2_MASK 0x08
#define ST_GYRO_2_MULTIREAD_BIT true
+/* CUSTOM VALUES FOR SENSOR 3 */
+#define ST_GYRO_3_WAI_EXP 0xd7
+#define ST_GYRO_3_ODR_ADDR 0x20
+#define ST_GYRO_3_ODR_MASK 0xc0
+#define ST_GYRO_3_ODR_AVL_95HZ_VAL 0x00
+#define ST_GYRO_3_ODR_AVL_190HZ_VAL 0x01
+#define ST_GYRO_3_ODR_AVL_380HZ_VAL 0x02
+#define ST_GYRO_3_ODR_AVL_760HZ_VAL 0x03
+#define ST_GYRO_3_PW_ADDR 0x20
+#define ST_GYRO_3_PW_MASK 0x08
+#define ST_GYRO_3_FS_ADDR 0x23
+#define ST_GYRO_3_FS_MASK 0x30
+#define ST_GYRO_3_FS_AVL_250_VAL 0x00
+#define ST_GYRO_3_FS_AVL_500_VAL 0x01
+#define ST_GYRO_3_FS_AVL_2000_VAL 0x02
+#define ST_GYRO_3_FS_AVL_250_GAIN IIO_DEGREE_TO_RAD(8750)
+#define ST_GYRO_3_FS_AVL_500_GAIN IIO_DEGREE_TO_RAD(17500)
+#define ST_GYRO_3_FS_AVL_2000_GAIN IIO_DEGREE_TO_RAD(70000)
+#define ST_GYRO_3_BDU_ADDR 0x23
+#define ST_GYRO_3_BDU_MASK 0x80
+#define ST_GYRO_3_DRDY_IRQ_ADDR 0x22
+#define ST_GYRO_3_DRDY_IRQ_INT2_MASK 0x08
+#define ST_GYRO_3_MULTIREAD_BIT true
+
+
static const struct iio_chan_spec st_gyro_16bit_channels[] = {
ST_SENSORS_LSM_CHANNELS(IIO_ANGL_VEL,
BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE),
@@ -225,6 +250,64 @@ static const struct st_sensor_settings st_gyro_sensors_settings[] = {
.multi_read_bit = ST_GYRO_2_MULTIREAD_BIT,
.bootime = 2,
},
+ {
+ .wai = ST_GYRO_3_WAI_EXP,
+ .sensors_supported = {
+ [0] = L3GD20_GYRO_DEV_NAME,
+ },
+ .ch = (struct iio_chan_spec *)st_gyro_16bit_channels,
+ .odr = {
+ .addr = ST_GYRO_3_ODR_ADDR,
+ .mask = ST_GYRO_3_ODR_MASK,
+ .odr_avl = {
+ { 95, ST_GYRO_3_ODR_AVL_95HZ_VAL, },
+ { 190, ST_GYRO_3_ODR_AVL_190HZ_VAL, },
+ { 380, ST_GYRO_3_ODR_AVL_380HZ_VAL, },
+ { 760, ST_GYRO_3_ODR_AVL_760HZ_VAL, },
+ },
+ },
+ .pw = {
+ .addr = ST_GYRO_3_PW_ADDR,
+ .mask = ST_GYRO_3_PW_MASK,
+ .value_on = ST_SENSORS_DEFAULT_POWER_ON_VALUE,
+ .value_off = ST_SENSORS_DEFAULT_POWER_OFF_VALUE,
+ },
+ .enable_axis = {
+ .addr = ST_SENSORS_DEFAULT_AXIS_ADDR,
+ .mask = ST_SENSORS_DEFAULT_AXIS_MASK,
+ },
+ .fs = {
+ .addr = ST_GYRO_3_FS_ADDR,
+ .mask = ST_GYRO_3_FS_MASK,
+ .fs_avl = {
+ [0] = {
+ .num = ST_GYRO_FS_AVL_250DPS,
+ .value = ST_GYRO_3_FS_AVL_250_VAL,
+ .gain = ST_GYRO_3_FS_AVL_250_GAIN,
+ },
+ [1] = {
+ .num = ST_GYRO_FS_AVL_500DPS,
+ .value = ST_GYRO_3_FS_AVL_500_VAL,
+ .gain = ST_GYRO_3_FS_AVL_500_GAIN,
+ },
+ [2] = {
+ .num = ST_GYRO_FS_AVL_2000DPS,
+ .value = ST_GYRO_3_FS_AVL_2000_VAL,
+ .gain = ST_GYRO_3_FS_AVL_2000_GAIN,
+ },
+ },
+ },
+ .bdu = {
+ .addr = ST_GYRO_3_BDU_ADDR,
+ .mask = ST_GYRO_3_BDU_MASK,
+ },
+ .drdy_irq = {
+ .addr = ST_GYRO_3_DRDY_IRQ_ADDR,
+ .mask_int2 = ST_GYRO_3_DRDY_IRQ_INT2_MASK,
+ },
+ .multi_read_bit = ST_GYRO_3_MULTIREAD_BIT,
+ .bootime = 2,
+ },
};
static int st_gyro_read_raw(struct iio_dev *indio_dev,
--
1.9.1
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