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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+// SPDX-License-Identifier: GPL-2.0+ OR X11
+/*
+ * Copyright 2015 - Maxime Coquelin <mcoquelin.stm32@gmail.com>
+ */
+
+/dts-v1/;
+#include "stm32f429.dtsi"
+#include "stm32f429-pinctrl.dtsi"
+#include <dt-bindings/input/input.h>
+
+/ {
+	model = "STMicroelectronics STM32F429i-DISCO board";
+	compatible = "st,stm32f429i-disco", "st,stm32f429";
+
+	chosen {
+		bootargs = "root=/dev/ram";
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x90000000 0x800000>;
+	};
+
+	aliases {
+		serial0 = &usart1;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		red {
+			gpios = <&gpiog 14 0>;
+		};
+		green {
+			gpios = <&gpiog 13 0>;
+			linux,default-trigger = "heartbeat";
+		};
+	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		autorepeat;
+		button@0 {
+			label = "User";
+			linux,code = <KEY_HOME>;
+			gpios = <&gpioa 0 0>;
+		};
+	};
+
+	/* This turns on vbus for otg for host mode (dwc2) */
+	vcc5v_otg: vcc5v-otg-regulator {
+		compatible = "regulator-fixed";
+		gpio = <&gpioc 4 0>;
+		regulator-name = "vcc5_host1";
+		regulator-always-on;
+	};
+};
+
+&clk_hse {
+	clock-frequency = <8000000>;
+};
+
+&crc {
+	status = "okay";
+};
+
+&rtc {
+	assigned-clocks = <&rcc 1 CLK_RTC>;
+	assigned-clock-parents = <&rcc 1 CLK_LSI>;
+	status = "okay";
+};
+
+&usart1 {
+	pinctrl-0 = <&usart1_pins_a>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&usbotg_hs {
+	compatible = "st,stm32f4x9-fsotg";
+	dr_mode = "host";
+	pinctrl-0 = <&usbotg_fs_pins_b>;
+	pinctrl-names = "default";
+	status = "okay";
+};