@@ -15,6 +15,7 @@
#include <linux/iio/common/st_sensors.h>
#define LPS331AP_PRESS_DEV_NAME "lps331ap"
+#define LPS001WP_PRESS_DEV_NAME "lps001wp"
int st_press_common_probe(struct iio_dev *indio_dev);
void st_press_common_remove(struct iio_dev *indio_dev);
@@ -58,6 +58,21 @@
#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_lsp331ap_channels[] = {
{
.type = IIO_PRESSURE,
@@ -94,6 +109,40 @@ static const struct iio_chan_spec st_press_lsp331ap_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,
@@ -141,6 +190,41 @@ 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,
@@ -52,6 +52,7 @@ static int st_press_i2c_remove(struct i2c_client *client)
static const struct i2c_device_id st_press_id_table[] = {
{ LPS331AP_PRESS_DEV_NAME },
+ { LPS001WP_PRESS_DEV_NAME },
{},
};
MODULE_DEVICE_TABLE(i2c, st_press_id_table);
Here we use existing practices to introduce support for another pressure/temperature sensor, the LPS001WP. Signed-off-by: Lee Jones <lee.jones@linaro.org> --- drivers/iio/pressure/st_pressure.h | 1 + drivers/iio/pressure/st_pressure_core.c | 84 +++++++++++++++++++++++++++++++++ drivers/iio/pressure/st_pressure_i2c.c | 1 + 3 files changed, 86 insertions(+)