修改GPIO导出默认初始值

hc

2024-10-16 50a212ec906f7524620675f0c57357691c26c81f

 kernel/arch/arm/boot/dts/exynos5420-smdk5420.dts
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@@ -1,6 +1,6 @@
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 // SPDX-License-Identifier: GPL-2.0
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 /*
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- * SAMSUNG SMDK5420 board device tree source
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+ * Samsung SMDK5420 board device tree source
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  *
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  * Copyright (c) 2013 Samsung Electronics Co., Ltd.
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  *		http://www.samsung.com
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@@ -9,10 +9,11 @@
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 /dts-v1/;
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 #include "exynos5420.dtsi"
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 #include "exynos5420-cpus.dtsi"
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+#include <dt-bindings/clock/samsung,s2mps11.h>
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 #include <dt-bindings/gpio/gpio.h>
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 / {
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-	model = "Samsung SMDK5420 board based on EXYNOS5420";
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+	model = "Samsung SMDK5420 board based on Exynos5420";
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 	compatible = "samsung,smdk5420", "samsung,exynos5420", "samsung,exynos5";
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 	memory@20000000 {
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@@ -21,7 +22,8 @@
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 	};
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 	chosen {
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-		bootargs = "console=ttySAC2,115200 init=/linuxrc";
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+		bootargs = "init=/linuxrc";
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+		stdout-path = "serial2:115200n8";
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 	};
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 	fixed-rate-clocks {
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@@ -31,40 +33,31 @@
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 		};
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 	};
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-	regulators {
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-		compatible = "simple-bus";
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-		#address-cells = <1>;
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-		#size-cells = <0>;
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-
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-		vdd: fixed-regulator@0 {
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-			compatible = "regulator-fixed";
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-			reg = <0>;
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-			regulator-name = "vdd-supply";
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-			regulator-min-microvolt = <1800000>;
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-			regulator-max-microvolt = <1800000>;
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-			regulator-always-on;
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-		};
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-
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-		dbvdd: fixed-regulator@1 {
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-			compatible = "regulator-fixed";
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-			reg = <1>;
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-			regulator-name = "dbvdd-supply";
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-			regulator-min-microvolt = <3300000>;
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-			regulator-max-microvolt = <3300000>;
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-			regulator-always-on;
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-		};
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-
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-		spkvdd: fixed-regulator@2 {
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-			compatible = "regulator-fixed";
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-			reg = <2>;
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-			regulator-name = "spkvdd-supply";
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-			regulator-min-microvolt = <5000000>;
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-			regulator-max-microvolt = <5000000>;
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-			regulator-always-on;
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-		};
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+	vdd: regulator-0 {
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+		compatible = "regulator-fixed";
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+		regulator-name = "vdd-supply";
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+		regulator-min-microvolt = <1800000>;
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+		regulator-max-microvolt = <1800000>;
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+		regulator-always-on;
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 	};
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-	usb300_vbus_reg: regulator-usb300 {
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+	dbvdd: regulator-1 {
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+		compatible = "regulator-fixed";
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+		regulator-name = "dbvdd-supply";
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+		regulator-min-microvolt = <3300000>;
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+		regulator-max-microvolt = <3300000>;
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+		regulator-always-on;
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+	};
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+
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+	spkvdd: regulator-2 {
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+		compatible = "regulator-fixed";
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+		regulator-name = "spkvdd-supply";
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+		regulator-min-microvolt = <5000000>;
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+		regulator-max-microvolt = <5000000>;
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+		regulator-always-on;
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+	};
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+
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+	usb300_vbus_reg: regulator-3 {
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 		compatible = "regulator-fixed";
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 		regulator-name = "VBUS0";
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 		regulator-min-microvolt = <5000000>;
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@@ -75,7 +68,7 @@
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 		enable-active-high;
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 	};
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-	usb301_vbus_reg: regulator-usb301 {
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+	usb301_vbus_reg: regulator-4 {
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 		compatible = "regulator-fixed";
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 		regulator-name = "VBUS1";
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 		regulator-min-microvolt = <5000000>;
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@@ -131,6 +124,9 @@
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 	hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>;
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 	pinctrl-names = "default";
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 	pinctrl-0 = <&hdmi_hpd_irq>;
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+	vdd-supply = <&ldo6_reg>;
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+	vdd_osc-supply = <&ldo7_reg>;
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+	vdd_pll-supply = <&ldo6_reg>;
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 };
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 &hsi2c_4 {
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@@ -141,6 +137,7 @@
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 		reg = <0x66>;
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 		s2mps11_osc: clocks {
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+			compatible = "samsung,s2mps11-clk";
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 			#clock-cells = <1>;
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 			clock-output-names = "s2mps11_ap",
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 					"s2mps11_cp", "s2mps11_bt";
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@@ -408,6 +405,8 @@
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 &rtc {
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 	status = "okay";
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+	clocks = <&clock CLK_RTC>, <&s2mps11_osc S2MPS11_CLK_AP>;
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+	clock-names = "rtc", "rtc_src";
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 };
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 &usbdrd_phy0 {