diff options
author | Lee Jones <lee.jones@linaro.org> | 2013-09-16 16:02:00 (GMT) |
---|---|---|
committer | Jonathan Cameron <jic23@kernel.org> | 2013-09-21 18:24:05 (GMT) |
commit | 7885a8ce6800ec37147902b316cd73790865dc1d (patch) | |
tree | 59bd36172a3f51e4c31298ef652cec8bfc776971 /drivers | |
parent | a6cc5b250c88930c47a0a231107844b69f086428 (diff) | |
download | linux-7885a8ce6800ec37147902b316cd73790865dc1d.tar.xz |
iio: pressure: st: Add support for new LPS001WP pressure sensor
Here we use existing practices to introduce support for another
pressure/temperature sensor, the LPS001WP.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/iio/pressure/st_pressure.h | 1 | ||||
-rw-r--r-- | drivers/iio/pressure/st_pressure_core.c | 84 | ||||
-rw-r--r-- | drivers/iio/pressure/st_pressure_i2c.c | 1 |
3 files changed, 86 insertions, 0 deletions
diff --git a/drivers/iio/pressure/st_pressure.h b/drivers/iio/pressure/st_pressure.h index b0b6306..049c21a 100644 --- a/drivers/iio/pressure/st_pressure.h +++ b/drivers/iio/pressure/st_pressure.h @@ -14,6 +14,7 @@ #include <linux/types.h> #include <linux/iio/common/st_sensors.h> +#define LPS001WP_PRESS_DEV_NAME "lps001wp" #define LPS331AP_PRESS_DEV_NAME "lps331ap" /** diff --git a/drivers/iio/pressure/st_pressure_core.c b/drivers/iio/pressure/st_pressure_core.c index 4539953..e879542 100644 --- a/drivers/iio/pressure/st_pressure_core.c +++ b/drivers/iio/pressure/st_pressure_core.c @@ -64,6 +64,21 @@ #define ST_PRESS_LPS331AP_OUT_XL_ADDR 0x28 #define ST_TEMP_LPS331AP_OUT_L_ADDR 0x2b +/* CUSTOM VALUES FOR LPS001WP SENSOR */ +#define ST_PRESS_LPS001WP_WAI_EXP 0xba +#define ST_PRESS_LPS001WP_ODR_ADDR 0x20 +#define ST_PRESS_LPS001WP_ODR_MASK 0x30 +#define ST_PRESS_LPS001WP_ODR_AVL_1HZ_VAL 0x01 +#define ST_PRESS_LPS001WP_ODR_AVL_7HZ_VAL 0x02 +#define ST_PRESS_LPS001WP_ODR_AVL_13HZ_VAL 0x03 +#define ST_PRESS_LPS001WP_PW_ADDR 0x20 +#define ST_PRESS_LPS001WP_PW_MASK 0x40 +#define ST_PRESS_LPS001WP_BDU_ADDR 0x20 +#define ST_PRESS_LPS001WP_BDU_MASK 0x04 +#define ST_PRESS_LPS001WP_MULTIREAD_BIT true +#define ST_PRESS_LPS001WP_OUT_L_ADDR 0x28 +#define ST_TEMP_LPS001WP_OUT_L_ADDR 0x2a + static const struct iio_chan_spec st_press_lps331ap_channels[] = { { .type = IIO_PRESSURE, @@ -100,6 +115,40 @@ static const struct iio_chan_spec st_press_lps331ap_channels[] = { IIO_CHAN_SOFT_TIMESTAMP(1) }; +static const struct iio_chan_spec st_press_lps001wp_channels[] = { + { + .type = IIO_PRESSURE, + .channel2 = IIO_NO_MOD, + .address = ST_PRESS_LPS001WP_OUT_L_ADDR, + .scan_index = ST_SENSORS_SCAN_X, + .scan_type = { + .sign = 'u', + .realbits = 16, + .storagebits = 16, + .endianness = IIO_LE, + }, + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), + .modified = 0, + }, + { + .type = IIO_TEMP, + .channel2 = IIO_NO_MOD, + .address = ST_TEMP_LPS001WP_OUT_L_ADDR, + .scan_index = -1, + .scan_type = { + .sign = 'u', + .realbits = 16, + .storagebits = 16, + .endianness = IIO_LE, + }, + .info_mask_separate = + BIT(IIO_CHAN_INFO_RAW) | + BIT(IIO_CHAN_INFO_OFFSET), + .modified = 0, + }, + IIO_CHAN_SOFT_TIMESTAMP(1) +}; + static const struct st_sensors st_press_sensors[] = { { .wai = ST_PRESS_LPS331AP_WAI_EXP, @@ -148,6 +197,41 @@ static const struct st_sensors st_press_sensors[] = { .multi_read_bit = ST_PRESS_LPS331AP_MULTIREAD_BIT, .bootime = 2, }, + { + .wai = ST_PRESS_LPS001WP_WAI_EXP, + .sensors_supported = { + [0] = LPS001WP_PRESS_DEV_NAME, + }, + .ch = (struct iio_chan_spec *)st_press_lps001wp_channels, + .num_ch = ARRAY_SIZE(st_press_lps001wp_channels), + .odr = { + .addr = ST_PRESS_LPS001WP_ODR_ADDR, + .mask = ST_PRESS_LPS001WP_ODR_MASK, + .odr_avl = { + { 1, ST_PRESS_LPS001WP_ODR_AVL_1HZ_VAL, }, + { 7, ST_PRESS_LPS001WP_ODR_AVL_7HZ_VAL, }, + { 13, ST_PRESS_LPS001WP_ODR_AVL_13HZ_VAL, }, + }, + }, + .pw = { + .addr = ST_PRESS_LPS001WP_PW_ADDR, + .mask = ST_PRESS_LPS001WP_PW_MASK, + .value_on = ST_SENSORS_DEFAULT_POWER_ON_VALUE, + .value_off = ST_SENSORS_DEFAULT_POWER_OFF_VALUE, + }, + .fs = { + .addr = 0, + }, + .bdu = { + .addr = ST_PRESS_LPS001WP_BDU_ADDR, + .mask = ST_PRESS_LPS001WP_BDU_MASK, + }, + .drdy_irq = { + .addr = 0, + }, + .multi_read_bit = ST_PRESS_LPS001WP_MULTIREAD_BIT, + .bootime = 2, + }, }; static int st_press_read_raw(struct iio_dev *indio_dev, diff --git a/drivers/iio/pressure/st_pressure_i2c.c b/drivers/iio/pressure/st_pressure_i2c.c index 08aac5e..51eab7f 100644 --- a/drivers/iio/pressure/st_pressure_i2c.c +++ b/drivers/iio/pressure/st_pressure_i2c.c @@ -49,6 +49,7 @@ static int st_press_i2c_remove(struct i2c_client *client) } static const struct i2c_device_id st_press_id_table[] = { + { LPS001WP_PRESS_DEV_NAME }, { LPS331AP_PRESS_DEV_NAME }, {}, }; |