| /* |
| * Copyright (C) 2018-2019, STMicroelectronics - All Rights Reserved |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #ifndef STM32MP_COMMON_H |
| #define STM32MP_COMMON_H |
| |
| #include <stdbool.h> |
| |
| /* Functions to save and get boot context address given by ROM code */ |
| void stm32mp_save_boot_ctx_address(uintptr_t address); |
| uintptr_t stm32mp_get_boot_ctx_address(void); |
| |
| /* |
| * Platform util functions for the GPIO driver |
| * @bank: Target GPIO bank ID as per DT bindings |
| * |
| * Platform shall implement these functions to provide to stm32_gpio |
| * driver the resource reference for a target GPIO bank. That are |
| * memory mapped interface base address, interface offset (see below) |
| * and clock identifier. |
| * |
| * stm32_get_gpio_bank_offset() returns a bank offset that is used to |
| * check DT configuration matches platform implementation of the banks |
| * description. |
| */ |
| uintptr_t stm32_get_gpio_bank_base(unsigned int bank); |
| unsigned long stm32_get_gpio_bank_clock(unsigned int bank); |
| uint32_t stm32_get_gpio_bank_offset(unsigned int bank); |
| |
| /* |
| * Util for clock gating and to get clock rate for stm32 and platform drivers |
| * @id: Target clock ID, ID used in clock DT bindings |
| */ |
| bool stm32mp_clk_is_enabled(unsigned long id); |
| int stm32mp_clk_enable(unsigned long id); |
| int stm32mp_clk_disable(unsigned long id); |
| unsigned long stm32mp_clk_get_rate(unsigned long id); |
| |
| /* Initialise the IO layer and register platform IO devices */ |
| void stm32mp_io_setup(void); |
| |
| #endif /* STM32MP_COMMON_H */ |