From 9444a300c2be3ce6266462e3171ceb6636cc62e8 Mon Sep 17 00:00:00 2001 From: Robert Dolca Date: Mon, 23 Mar 2015 15:40:25 +0200 Subject: IIO: Add support for L3GD20H gyroscope It can be used exactly like L3GD20 but it has a different WhoAmI register value. Signed-off-by: Robert Dolca Reviewed-by: Linus Walleij Signed-off-by: Jonathan Cameron --- 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 f07a2336f7dc..21395f26d227 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, -- cgit v1.2.3