GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
commit b1928b41c0
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+/*
+ * Copyright (c) 2020-2022, STMicroelectronics - All Rights Reserved
+ * Copyright (c) 2017-2022, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef STM32MP_DT_H
+#define STM32MP_DT_H
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#define DT_DISABLED		U(0)
+#define DT_NON_SECURE		U(1)
+#define DT_SECURE		U(2)
+#define DT_SHARED		(DT_NON_SECURE | DT_SECURE)
+
+struct dt_node_info {
+	uint32_t base;
+	int32_t clock;
+	int32_t reset;
+	uint32_t status;
+};
+
+/*******************************************************************************
+ * Function and variable prototypes
+ ******************************************************************************/
+int dt_open_and_check(uintptr_t dt_addr);
+int fdt_get_address(void **fdt_addr);
+bool fdt_check_node(int node);
+uint8_t fdt_get_status(int node);
+int dt_set_stdout_pinctrl(void);
+void dt_fill_device_info(struct dt_node_info *info, int node);
+int dt_get_node(struct dt_node_info *info, int offset, const char *compat);
+int dt_get_stdout_uart_info(struct dt_node_info *info);
+int dt_match_instance_by_compatible(const char *compatible, uintptr_t address);
+uint32_t dt_get_ddr_size(void);
+uint32_t dt_get_pwr_vdd_voltage(void);
+struct rdev *dt_get_vdd_regulator(void);
+struct rdev *dt_get_cpu_regulator(void);
+const char *dt_get_board_model(void);
+int dt_find_otp_name(const char *name, uint32_t *otp, uint32_t *otp_len);
+int fdt_get_gpio_bank_pin_count(unsigned int bank);
+
+#endif /* STM32MP_DT_H */