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 2017 - Vikas MANOCHA <vikas.manocha@st.com>
+ *
+ */
+
+/dts-v1/;
+#include "stm32f746.dtsi"
+#include "stm32f769-pinctrl.dtsi"
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	model = "STMicroelectronics STM32F769-DISCO board";
+	compatible = "st,stm32f769-disco", "st,stm32f769";
+
+	chosen {
+		bootargs = "root=/dev/ram";
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0xC0000000 0x1000000>;
+	};
+
+	aliases {
+		serial0 = &usart1;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		green {
+			gpios = <&gpioj 5 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "heartbeat";
+		};
+		red {
+			gpios = <&gpioj 13 GPIO_ACTIVE_HIGH>;
+		};
+	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		autorepeat;
+		button@0 {
+			label = "User";
+			linux,code = <KEY_HOME>;
+			gpios = <&gpioa 0 GPIO_ACTIVE_HIGH>;
+		};
+	};
+
+	usbotg_hs_phy: usb-phy {
+		#phy-cells = <0>;
+		compatible = "usb-nop-xceiv";
+		clocks = <&rcc 0 STM32F7_AHB1_CLOCK(OTGHSULPI)>;
+		clock-names = "main_clk";
+	};
+
+	mmc_vcard: mmc_vcard {
+		compatible = "regulator-fixed";
+		regulator-name = "mmc_vcard";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+};
+
+&rcc {
+	compatible = "st,stm32f769-rcc", "st,stm32f746-rcc", "st,stm32-rcc";
+};
+
+&cec {
+	pinctrl-0 = <&cec_pins_a>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&clk_hse {
+	clock-frequency = <25000000>;
+};
+
+&i2c1 {
+	pinctrl-0 = <&i2c1_pins_b>;
+	pinctrl-names = "default";
+	i2c-scl-rising-time-ns = <185>;
+	i2c-scl-falling-time-ns = <20>;
+	status = "okay";
+};
+
+&rtc {
+	status = "okay";
+};
+
+&sdio2 {
+	status = "okay";
+	vmmc-supply = <&mmc_vcard>;
+	cd-gpios = <&gpioi 15 GPIO_ACTIVE_LOW>;
+	broken-cd;
+	pinctrl-names = "default", "opendrain";
+	pinctrl-0 = <&sdio_pins_b>;
+	pinctrl-1 = <&sdio_pins_od_b>;
+	bus-width = <4>;
+};
+
+&usart1 {
+	pinctrl-0 = <&usart1_pins_a>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&usbotg_hs {
+	dr_mode = "otg";
+	phys = <&usbotg_hs_phy>;
+	phy-names = "usb2-phy";
+	pinctrl-0 = <&usbotg_hs_pins_a>;
+	pinctrl-names = "default";
+	status = "okay";
+};