mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-27 20:35:12 +07:00
e5aab7b0d8
Initial support for ST LPS22HH pressure sensor. Datasheet: http://www2.st.com/resource/en/datasheet/lps22hh.pdf Features: * pressure, temperature data and timestamping channels * sampling frequency selection [1..200] Hz * interrupt based trigger * over I2C or SPI interface Signed-off-by: mario tesi <mario.tesi@st.com> Acked-by: Denis Ciocca <denis.ciocca@st.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
/*
|
|
* STMicroelectronics pressures driver
|
|
*
|
|
* Copyright 2013 STMicroelectronics Inc.
|
|
*
|
|
* Denis Ciocca <denis.ciocca@st.com>
|
|
* v. 1.0.0
|
|
* Licensed under the GPL-2.
|
|
*/
|
|
|
|
#ifndef ST_PRESS_H
|
|
#define ST_PRESS_H
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/iio/common/st_sensors.h>
|
|
|
|
enum st_press_type {
|
|
LPS001WP,
|
|
LPS25H,
|
|
LPS331AP,
|
|
LPS22HB,
|
|
LPS33HW,
|
|
LPS35HW,
|
|
LPS22HH,
|
|
ST_PRESS_MAX,
|
|
};
|
|
|
|
#define LPS001WP_PRESS_DEV_NAME "lps001wp"
|
|
#define LPS25H_PRESS_DEV_NAME "lps25h"
|
|
#define LPS331AP_PRESS_DEV_NAME "lps331ap"
|
|
#define LPS22HB_PRESS_DEV_NAME "lps22hb"
|
|
#define LPS33HW_PRESS_DEV_NAME "lps33hw"
|
|
#define LPS35HW_PRESS_DEV_NAME "lps35hw"
|
|
#define LPS22HH_PRESS_DEV_NAME "lps22hh"
|
|
|
|
/**
|
|
* struct st_sensors_platform_data - default press platform data
|
|
* @drdy_int_pin: default press DRDY is available on INT1 pin.
|
|
*/
|
|
static const struct st_sensors_platform_data default_press_pdata = {
|
|
.drdy_int_pin = 1,
|
|
};
|
|
|
|
int st_press_common_probe(struct iio_dev *indio_dev);
|
|
void st_press_common_remove(struct iio_dev *indio_dev);
|
|
|
|
#ifdef CONFIG_IIO_BUFFER
|
|
int st_press_allocate_ring(struct iio_dev *indio_dev);
|
|
void st_press_deallocate_ring(struct iio_dev *indio_dev);
|
|
int st_press_trig_set_state(struct iio_trigger *trig, bool state);
|
|
#define ST_PRESS_TRIGGER_SET_STATE (&st_press_trig_set_state)
|
|
#else /* CONFIG_IIO_BUFFER */
|
|
static inline int st_press_allocate_ring(struct iio_dev *indio_dev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void st_press_deallocate_ring(struct iio_dev *indio_dev)
|
|
{
|
|
}
|
|
#define ST_PRESS_TRIGGER_SET_STATE NULL
|
|
#endif /* CONFIG_IIO_BUFFER */
|
|
|
|
#endif /* ST_PRESS_H */
|