diff options
Diffstat (limited to 'drivers/iio/pressure/st_pressure_core.c')
| -rw-r--r-- | drivers/iio/pressure/st_pressure_core.c | 129 |
1 files changed, 85 insertions, 44 deletions
diff --git a/drivers/iio/pressure/st_pressure_core.c b/drivers/iio/pressure/st_pressure_core.c index 58083f9d51c..cd7e01f3a93 100644 --- a/drivers/iio/pressure/st_pressure_core.c +++ b/drivers/iio/pressure/st_pressure_core.c @@ -23,7 +23,6 @@ #include <linux/iio/sysfs.h> #include <linux/iio/trigger.h> #include <linux/iio/buffer.h> -#include <linux/regulator/consumer.h> #include <asm/unaligned.h> #include <linux/iio/common/st_sensors.h> @@ -40,6 +39,9 @@ /* FULLSCALE */ #define ST_PRESS_FS_AVL_1260MB 1260 +#define ST_PRESS_1_OUT_XL_ADDR 0x28 +#define ST_TEMP_1_OUT_L_ADDR 0x2b + /* CUSTOM VALUES FOR LPS331AP SENSOR */ #define ST_PRESS_LPS331AP_WAI_EXP 0xbb #define ST_PRESS_LPS331AP_ODR_ADDR 0x20 @@ -62,8 +64,6 @@ #define ST_PRESS_LPS331AP_DRDY_IRQ_INT2_MASK 0x20 #define ST_PRESS_LPS331AP_MULTIREAD_BIT true #define ST_PRESS_LPS331AP_TEMP_OFFSET 42500 -#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 @@ -80,11 +80,36 @@ #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[] = { +/* CUSTOM VALUES FOR LPS25H SENSOR */ +#define ST_PRESS_LPS25H_WAI_EXP 0xbd +#define ST_PRESS_LPS25H_ODR_ADDR 0x20 +#define ST_PRESS_LPS25H_ODR_MASK 0x70 +#define ST_PRESS_LPS25H_ODR_AVL_1HZ_VAL 0x01 +#define ST_PRESS_LPS25H_ODR_AVL_7HZ_VAL 0x02 +#define ST_PRESS_LPS25H_ODR_AVL_13HZ_VAL 0x03 +#define ST_PRESS_LPS25H_ODR_AVL_25HZ_VAL 0x04 +#define ST_PRESS_LPS25H_PW_ADDR 0x20 +#define ST_PRESS_LPS25H_PW_MASK 0x80 +#define ST_PRESS_LPS25H_FS_ADDR 0x00 +#define ST_PRESS_LPS25H_FS_MASK 0x00 +#define ST_PRESS_LPS25H_FS_AVL_1260_VAL 0x00 +#define ST_PRESS_LPS25H_FS_AVL_1260_GAIN ST_PRESS_KPASCAL_NANO_SCALE +#define ST_PRESS_LPS25H_FS_AVL_TEMP_GAIN ST_PRESS_CELSIUS_NANO_SCALE +#define ST_PRESS_LPS25H_BDU_ADDR 0x20 +#define ST_PRESS_LPS25H_BDU_MASK 0x04 +#define ST_PRESS_LPS25H_DRDY_IRQ_ADDR 0x23 +#define ST_PRESS_LPS25H_DRDY_IRQ_INT1_MASK 0x01 +#define ST_PRESS_LPS25H_DRDY_IRQ_INT2_MASK 0x10 +#define ST_PRESS_LPS25H_MULTIREAD_BIT true +#define ST_PRESS_LPS25H_TEMP_OFFSET 42500 +#define ST_PRESS_LPS25H_OUT_XL_ADDR 0x28 +#define ST_TEMP_LPS25H_OUT_L_ADDR 0x2b + +static const struct iio_chan_spec st_press_1_channels[] = { { .type = IIO_PRESSURE, .channel2 = IIO_NO_MOD, - .address = ST_PRESS_LPS331AP_OUT_XL_ADDR, + .address = ST_PRESS_1_OUT_XL_ADDR, .scan_index = ST_SENSORS_SCAN_X, .scan_type = { .sign = 'u', @@ -99,7 +124,7 @@ static const struct iio_chan_spec st_press_lps331ap_channels[] = { { .type = IIO_TEMP, .channel2 = IIO_NO_MOD, - .address = ST_TEMP_LPS331AP_OUT_L_ADDR, + .address = ST_TEMP_1_OUT_L_ADDR, .scan_index = -1, .scan_type = { .sign = 'u', @@ -156,8 +181,8 @@ static const struct st_sensors st_press_sensors[] = { .sensors_supported = { [0] = LPS331AP_PRESS_DEV_NAME, }, - .ch = (struct iio_chan_spec *)st_press_lps331ap_channels, - .num_ch = ARRAY_SIZE(st_press_lps331ap_channels), + .ch = (struct iio_chan_spec *)st_press_1_channels, + .num_ch = ARRAY_SIZE(st_press_1_channels), .odr = { .addr = ST_PRESS_LPS331AP_ODR_ADDR, .mask = ST_PRESS_LPS331AP_ODR_MASK, @@ -233,6 +258,53 @@ static const struct st_sensors st_press_sensors[] = { .multi_read_bit = ST_PRESS_LPS001WP_MULTIREAD_BIT, .bootime = 2, }, + { + .wai = ST_PRESS_LPS25H_WAI_EXP, + .sensors_supported = { + [0] = LPS25H_PRESS_DEV_NAME, + }, + .ch = (struct iio_chan_spec *)st_press_1_channels, + .num_ch = ARRAY_SIZE(st_press_1_channels), + .odr = { + .addr = ST_PRESS_LPS25H_ODR_ADDR, + .mask = ST_PRESS_LPS25H_ODR_MASK, + .odr_avl = { + { 1, ST_PRESS_LPS25H_ODR_AVL_1HZ_VAL, }, + { 7, ST_PRESS_LPS25H_ODR_AVL_7HZ_VAL, }, + { 13, ST_PRESS_LPS25H_ODR_AVL_13HZ_VAL, }, + { 25, ST_PRESS_LPS25H_ODR_AVL_25HZ_VAL, }, + }, + }, + .pw = { + .addr = ST_PRESS_LPS25H_PW_ADDR, + .mask = ST_PRESS_LPS25H_PW_MASK, + .value_on = ST_SENSORS_DEFAULT_POWER_ON_VALUE, + .value_off = ST_SENSORS_DEFAULT_POWER_OFF_VALUE, + }, + .fs = { + .addr = ST_PRESS_LPS25H_FS_ADDR, + .mask = ST_PRESS_LPS25H_FS_MASK, + .fs_avl = { + [0] = { + .num = ST_PRESS_FS_AVL_1260MB, + .value = ST_PRESS_LPS25H_FS_AVL_1260_VAL, + .gain = ST_PRESS_LPS25H_FS_AVL_1260_GAIN, + .gain2 = ST_PRESS_LPS25H_FS_AVL_TEMP_GAIN, + }, + }, + }, + .bdu = { + .addr = ST_PRESS_LPS25H_BDU_ADDR, + .mask = ST_PRESS_LPS25H_BDU_MASK, + }, + .drdy_irq = { + .addr = ST_PRESS_LPS25H_DRDY_IRQ_ADDR, + .mask_int1 = ST_PRESS_LPS25H_DRDY_IRQ_INT1_MASK, + .mask_int2 = ST_PRESS_LPS25H_DRDY_IRQ_INT2_MASK, + }, + .multi_read_bit = ST_PRESS_LPS25H_MULTIREAD_BIT, + .bootime = 2, + }, }; static int st_press_read_raw(struct iio_dev *indio_dev, @@ -314,40 +386,6 @@ static const struct iio_trigger_ops st_press_trigger_ops = { #define ST_PRESS_TRIGGER_OPS NULL #endif -static void st_press_power_enable(struct iio_dev *indio_dev) -{ - struct st_sensor_data *pdata = iio_priv(indio_dev); - int err; - - /* Regulators not mandatory, but if requested we should enable them. */ - pdata->vdd = devm_regulator_get_optional(&indio_dev->dev, "vdd"); - if (!IS_ERR(pdata->vdd)) { - err = regulator_enable(pdata->vdd); - if (err != 0) - dev_warn(&indio_dev->dev, - "Failed to enable specified Vdd supply\n"); - } - - pdata->vdd_io = devm_regulator_get_optional(&indio_dev->dev, "vddio"); - if (!IS_ERR(pdata->vdd_io)) { - err = regulator_enable(pdata->vdd_io); - if (err != 0) - dev_warn(&indio_dev->dev, - "Failed to enable specified Vdd_IO supply\n"); - } -} - -static void st_press_power_disable(struct iio_dev *indio_dev) -{ - struct st_sensor_data *pdata = iio_priv(indio_dev); - - if (!IS_ERR(pdata->vdd)) - regulator_disable(pdata->vdd); - - if (!IS_ERR(pdata->vdd_io)) - regulator_disable(pdata->vdd_io); -} - int st_press_common_probe(struct iio_dev *indio_dev, struct st_sensors_platform_data *plat_data) { @@ -358,7 +396,7 @@ int st_press_common_probe(struct iio_dev *indio_dev, indio_dev->modes = INDIO_DIRECT_MODE; indio_dev->info = &press_info; - st_press_power_enable(indio_dev); + st_sensors_power_enable(indio_dev); err = st_sensors_check_device_support(indio_dev, ARRAY_SIZE(st_press_sensors), @@ -401,6 +439,9 @@ int st_press_common_probe(struct iio_dev *indio_dev, if (err) goto st_press_device_register_error; + dev_info(&indio_dev->dev, "registered pressure sensor %s\n", + indio_dev->name); + return err; st_press_device_register_error: @@ -417,7 +458,7 @@ void st_press_common_remove(struct iio_dev *indio_dev) { struct st_sensor_data *pdata = iio_priv(indio_dev); - st_press_power_disable(indio_dev); + st_sensors_power_disable(indio_dev); iio_device_unregister(indio_dev); if (pdata->get_irq_data_ready(indio_dev) > 0) |