stm32-lptim-trigger.h

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copyright (C) STMicroelectronics 2017
 4 *
 5 * Author: Fabrice Gasnier <fabrice.gasnier@st.com>
 6 */
 7
 8#ifndef _STM32_LPTIM_TRIGGER_H_
 9#define _STM32_LPTIM_TRIGGER_H_
10
11#include <linux/iio/iio.h>
12#include <linux/iio/trigger.h>
13
14#define LPTIM1_OUT	"lptim1_out"
15#define LPTIM2_OUT	"lptim2_out"
16#define LPTIM3_OUT	"lptim3_out"
17#define LPTIM4_OUT	"lptim4_out"
18#define LPTIM5_OUT	"lptim5_out"
19
20#define LPTIM1_CH1	"lptim1_ch1"
21#define LPTIM1_CH2	"lptim1_ch2"
22#define LPTIM2_CH1	"lptim2_ch1"
23#define LPTIM2_CH2	"lptim2_ch2"
24#define LPTIM3_CH1	"lptim3_ch1"
25#define LPTIM4_CH1	"lptim4_ch1"
26
27#if IS_REACHABLE(CONFIG_IIO_STM32_LPTIMER_TRIGGER)
28bool is_stm32_lptim_trigger(struct iio_trigger *trig);
29#else
30static inline bool is_stm32_lptim_trigger(struct iio_trigger *trig)
31{
32#if IS_ENABLED(CONFIG_IIO_STM32_LPTIMER_TRIGGER)
33	pr_warn_once("stm32 lptim_trigger not linked in\n");
34#endif
35	return false;
36}
37#endif
38#endif