58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
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/*
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* Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef STM32MP_DT_H
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#define STM32MP_DT_H
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#include <stdbool.h>
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#include <libfdt.h>
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#define DT_DISABLED U(0)
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#define DT_NON_SECURE U(1)
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#define DT_SECURE U(2)
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#define DT_SHARED (DT_NON_SECURE | DT_SECURE)
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struct dt_node_info {
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uint32_t base;
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int32_t clock;
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int32_t reset;
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uint32_t status;
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};
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/*******************************************************************************
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* Function and variable prototypes
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******************************************************************************/
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int dt_open_and_check(void);
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int fdt_get_address(void **fdt_addr);
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bool fdt_check_node(int node);
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uint8_t fdt_get_status(int node);
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int fdt_get_interrupt(int node, const fdt32_t **array, int *len,
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bool *extended);
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uint32_t fdt_read_uint32_default(int node, const char *prop_name,
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uint32_t dflt_value);
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int fdt_read_uint32_array(int node, const char *prop_name,
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uint32_t *array, uint32_t count);
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int fdt_get_reg_props_by_name(int node, const char *name, uintptr_t *base,
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size_t *size);
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int dt_set_stdout_pinctrl(void);
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void dt_fill_device_info(struct dt_node_info *info, int node);
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int dt_get_node(struct dt_node_info *info, int offset, const char *compat);
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int dt_get_stdout_uart_info(struct dt_node_info *info);
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int dt_get_node_by_compatible(const char *compatible);
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int dt_match_instance_by_compatible(const char *compatible, uintptr_t address);
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uint32_t dt_get_ddr_size(void);
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int dt_get_max_opp_freqvolt(uint32_t *freq_khz, uint32_t *voltage_mv);
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int dt_get_all_opp_freqvolt(uint32_t *count, uint32_t *freq_khz_array,
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uint32_t *voltage_mv_array);
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uint32_t dt_get_pwr_vdd_voltage(void);
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const char *dt_get_cpu_regulator_name(void);
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const char *dt_get_board_model(void);
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int fdt_get_gpio_bank_pinctrl_node(unsigned int bank);
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int fdt_get_gpioz_nbpins_from_dt(void);
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#endif /* STM32MP_DT_H */
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