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/*
* Copyright (c) 2016 Linaro Limited.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @file Header file for the STM32 PWM driver.
*/
#ifndef __PWM_STM32_H__
#define __PWM_STM32_H__
#ifdef __cplusplus
extern "C" {
#endif
/** Configuration data */
struct pwm_stm32_config {
uint32_t pwm_base;
/* clock subsystem driving this peripheral */
#if defined(CONFIG_SOC_SERIES_STM32F1X) || defined(CONFIG_SOC_SERIES_STM32L4X)
clock_control_subsys_t clock_subsys;
#elif defined(CONFIG_SOC_SERIES_STM32F4X)
struct stm32f4x_pclken pclken;
#endif
};
/** Runtime driver data */
struct pwm_stm32_data {
/* PWM peripheral handler */
TIM_HandleTypeDef hpwm;
/* Prescaler for PWM output clock
* Value used to divide the TIM clock.
* Min = 0x0000U, Max = 0xFFFFU
*/
uint32_t pwm_prescaler;
/* clock device */
struct device *clock;
};
#ifdef __cplusplus
}
#endif
#endif /* __PWM_STM32_H__ */
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