xref: /linux/include/linux/iio/timer/stm32-lptim-trigger.h (revision c26f4fbd58375bd6ef74f95eb73d61762ad97c59)
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)
28 bool is_stm32_lptim_trigger(struct iio_trigger *trig);
29 #else
is_stm32_lptim_trigger(struct iio_trigger * trig)30 static 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
39