1 /* 2 * Copyright (c) 2020-2023, STMicroelectronics - All Rights Reserved 3 * Copyright (c) 2017-2023, Arm Limited and Contributors. All rights reserved. 4 * 5 * SPDX-License-Identifier: BSD-3-Clause 6 */ 7 8 #ifndef STM32MP_DT_H 9 #define STM32MP_DT_H 10 11 #include <stdbool.h> 12 #include <stdint.h> 13 14 #define DT_DISABLED U(0) 15 #define DT_NON_SECURE U(1) 16 #define DT_SECURE U(2) 17 #define DT_SHARED (DT_NON_SECURE | DT_SECURE) 18 19 struct dt_node_info { 20 uint32_t base; 21 int32_t clock; 22 int32_t reset; 23 uint32_t status; 24 }; 25 26 /******************************************************************************* 27 * Function and variable prototypes 28 ******************************************************************************/ 29 int dt_open_and_check(uintptr_t dt_addr); 30 int fdt_get_address(void **fdt_addr); 31 bool fdt_check_node(int node); 32 uint8_t fdt_get_status(int node); 33 int dt_set_stdout_pinctrl(void); 34 void dt_fill_device_info(struct dt_node_info *info, int node); 35 int dt_get_node(struct dt_node_info *info, int offset, const char *compat); 36 int dt_get_stdout_uart_info(struct dt_node_info *info); 37 int dt_match_instance_by_compatible(const char *compatible, uintptr_t address); 38 size_t dt_get_ddr_size(void); 39 uint32_t dt_get_pwr_vdd_voltage(void); 40 struct rdev *dt_get_vdd_regulator(void); 41 struct rdev *dt_get_cpu_regulator(void); 42 const char *dt_get_board_model(void); 43 int dt_find_otp_name(const char *name, uint32_t *otp, uint32_t *otp_len); 44 int fdt_get_gpio_bank_pin_count(unsigned int bank); 45 46 #endif /* STM32MP_DT_H */ 47
