修改GPIO导出默认初始值

hc

2024-10-16 50a212ec906f7524620675f0c57357691c26c81f

 kernel/arch/arm/boot/dts/imx6qdl-gw552x.dtsi
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@@ -1,15 +1,11 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Copyright 2014 Gateworks Corporation
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- *
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- * The code contained herein is licensed under the GNU General Public
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- * License. You may obtain a copy of the GNU General Public License
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- * Version 2 or later at the following locations:
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- *
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- * http://www.opensource.org/licenses/gpl-license.html
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- * http://www.gnu.org/copyleft/gpl.html
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  */
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5
 
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 #include <dt-bindings/gpio/gpio.h>
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+#include <dt-bindings/input/linux-event-codes.h>
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+#include <dt-bindings/interrupt-controller/irq.h>
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 / {
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 	/* these are used by bootloader for disabling nodes */
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@@ -24,6 +20,53 @@
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20
 
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 	chosen {
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 		bootargs = "console=ttymxc1,115200";
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+	};
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+
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+	gpio-keys {
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+		compatible = "gpio-keys";
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+		#address-cells = <1>;
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+		#size-cells = <0>;
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+
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+		user-pb {
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+			label = "user_pb";
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+			gpios = <&gsc_gpio 0 GPIO_ACTIVE_LOW>;
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+			linux,code = <BTN_0>;
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+		};
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+
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+		user-pb1x {
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+			label = "user_pb1x";
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+			linux,code = <BTN_1>;
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+			interrupt-parent = <&gsc>;
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+			interrupts = <0>;
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+		};
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+
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+		key-erased {
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+			label = "key-erased";
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+			linux,code = <BTN_2>;
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+			interrupt-parent = <&gsc>;
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+			interrupts = <1>;
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+		};
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+
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+		eeprom-wp {
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+			label = "eeprom_wp";
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+			linux,code = <BTN_3>;
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+			interrupt-parent = <&gsc>;
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+			interrupts = <2>;
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+		};
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+
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+		tamper {
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+			label = "tamper";
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+			linux,code = <BTN_4>;
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+			interrupt-parent = <&gsc>;
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+			interrupts = <5>;
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+		};
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+
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+		switch-hold {
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+			label = "switch_hold";
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+			linux,code = <BTN_5>;
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+			interrupt-parent = <&gsc>;
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+			interrupts = <7>;
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+		};
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 	};
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 	leds {
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@@ -52,6 +95,7 @@
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 	};
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 	memory@10000000 {
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+		device_type = "memory";
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 		reg = <0x10000000 0x20000000>;
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 	};
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..
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@@ -97,6 +141,103 @@
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 	pinctrl-0 = <&pinctrl_i2c1>;
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 	status = "okay";
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+	gsc: gsc@20 {
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+		compatible = "gw,gsc";
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+		reg = <0x20>;
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+		interrupt-parent = <&gpio1>;
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+		interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
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+		interrupt-controller;
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+		#interrupt-cells = <1>;
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+		#size-cells = <0>;
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+
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+		adc {
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+			compatible = "gw,gsc-adc";
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+			#address-cells = <1>;
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+			#size-cells = <0>;
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+
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+			channel@0 {
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+				gw,mode = <0>;
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+				reg = <0x00>;
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+				label = "temp";
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+			};
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+
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+			channel@2 {
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+				gw,mode = <1>;
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+				reg = <0x02>;
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+				label = "vdd_vin";
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+			};
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+
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+			channel@5 {
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+				gw,mode = <1>;
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+				reg = <0x05>;
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+				label = "vdd_3p3";
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+			};
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+
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+			channel@8 {
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+				gw,mode = <1>;
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+				reg = <0x08>;
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+				label = "vdd_bat";
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+			};
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+
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+			channel@b {
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+				gw,mode = <1>;
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+				reg = <0x0b>;
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+				label = "vdd_5p0";
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+			};
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+
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+			channel@e {
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+				gw,mode = <1>;
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+				reg = <0xe>;
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+				label = "vdd_arm";
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+			};
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+
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+			channel@11 {
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+				gw,mode = <1>;
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+				reg = <0x11>;
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+				label = "vdd_soc";
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+			};
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+
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+			channel@14 {
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+				gw,mode = <1>;
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+				reg = <0x14>;
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+				label = "vdd_3p0";
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+			};
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+
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+			channel@17 {
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+				gw,mode = <1>;
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+				reg = <0x17>;
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+				label = "vdd_1p5";
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+			};
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+
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+			channel@1d {
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+				gw,mode = <1>;
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+				reg = <0x1d>;
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+				label = "vdd_1p8";
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+			};
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+
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+			channel@20 {
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+				gw,mode = <1>;
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+				reg = <0x20>;
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+				label = "vdd_1p0";
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+			};
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+
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+			channel@23 {
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+				gw,mode = <1>;
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+				reg = <0x23>;
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+				label = "vdd_2p5";
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+			};
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+		};
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+	};
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+
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+	gsc_gpio: gpio@23 {
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+		compatible = "nxp,pca9555";
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+		reg = <0x23>;
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+		gpio-controller;
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+		#gpio-cells = <2>;
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+		interrupt-parent = <&gsc>;
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+		interrupts = <4>;
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+	};
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+
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 	eeprom1: eeprom@50 {
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 		compatible = "atmel,24c02";
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 		reg = <0x50>;
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@@ -119,13 +260,6 @@
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 		compatible = "atmel,24c02";
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 		reg = <0x53>;
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 		pagesize = <16>;
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-	};
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-
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-	gpio: pca9555@23 {
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-		compatible = "nxp,pca9555";
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-		reg = <0x23>;
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-		gpio-controller;
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-		#gpio-cells = <2>;
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 	};
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264
 
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 	rtc: ds1672@68 {
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@@ -263,6 +397,14 @@
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 	status = "okay";
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 };
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+&usbotg {
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+	vbus-supply = <&reg_5p0v>;
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+	pinctrl-names = "default";
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+	pinctrl-0 = <&pinctrl_usbotg>;
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+	disable-over-current;
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+	status = "okay";
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+};
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+
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 &wdog1 {
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 	pinctrl-names = "default";
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 	pinctrl-0 = <&pinctrl_wdog>;
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@@ -302,6 +444,7 @@
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 		fsl,pins = <
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 			MX6QDL_PAD_EIM_D21__I2C1_SCL		0x4001b8b1
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 			MX6QDL_PAD_EIM_D28__I2C1_SDA		0x4001b8b1
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+			MX6QDL_PAD_GPIO_4__GPIO1_IO04		0xb0b1
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 		>;
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 	};
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..
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@@ -364,6 +507,12 @@
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 		>;
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 	};
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509
 
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+	pinctrl_usbotg: usbotggrp {
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+		fsl,pins = <
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+			MX6QDL_PAD_ENET_RX_ER__USB_OTG_ID	0x13059
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+		>;
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+	};
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+
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 	pinctrl_wdog: wdoggrp {
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 		fsl,pins = <
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 			MX6QDL_PAD_DISP0_DAT8__WDOG1_B		0x1b0b0