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/*
* Copyright (c) 2018-2019, STMicroelectronics - All Rights Reserved
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef STM32MP_RESET_H
#define STM32MP_RESET_H
#include <stdint.h>
/*
* Assert target reset, if @to_us non null, wait until reset is asserted
*
* @reset_id: Reset controller ID
* @to_us: Timeout in microsecond, or 0 if not waiting
* Return 0 on success and -ETIMEDOUT if waiting and timeout expired
*/
int stm32mp_reset_assert(uint32_t reset_id, unsigned int to_us);
/*
* Enable reset control for target resource
*
* @reset_id: Reset controller ID
*/
static inline void stm32mp_reset_set(uint32_t reset_id)
{
(void)stm32mp_reset_assert(reset_id, 0U);
}
/*
* Deassert target reset, if @to_us non null, wait until reset is deasserted
*
* @reset_id: Reset controller ID
* @to_us: Timeout in microsecond, or 0 if not waiting
* Return 0 on success and -ETIMEDOUT if waiting and timeout expired
*/
int stm32mp_reset_deassert(uint32_t reset_id, unsigned int to_us);
/*
* Release reset control for target resource
*
* @reset_id: Reset controller ID
*/
static inline void stm32mp_reset_release(uint32_t reset_id)
{
(void)stm32mp_reset_deassert(reset_id, 0U);
}
#endif /* STM32MP_RESET_H */
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