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2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f 
 kernel/arch/arm/boot/dts/imx6qdl-gw51xx.dtsi
....@@ -1,15 +1,11 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23  * Copyright 2013 Gateworks Corporation
3
- *
4
- * The code contained herein is licensed under the GNU General Public
5
- * 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
104  */
115 
126 #include <dt-bindings/gpio/gpio.h>
7
+#include <dt-bindings/input/linux-event-codes.h>
8
+#include <dt-bindings/interrupt-controller/irq.h>
139 
1410 / {
1511 	/* these are used by bootloader for disabling nodes */
....@@ -23,6 +19,51 @@
2319 
2420 	chosen {
2521 		bootargs = "console=ttymxc1,115200";
22
+	};
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+
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+	gpio-keys {
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+		compatible = "gpio-keys";
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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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+		};
2667 	};
2768 
2869 	leds {
....@@ -45,6 +86,7 @@
4586 	};
4687 
4788 	memory@10000000 {
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+		device_type = "memory";
4890 		reg = <0x10000000 0x20000000>;
4991 	};
5092 
....@@ -107,6 +149,103 @@
107149 	pinctrl-0 = <&pinctrl_i2c1>;
108150 	status = "okay";
109151 
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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_an1";
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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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+
110249 	eeprom1: eeprom@50 {
111250 		compatible = "atmel,24c02";
112251 		reg = <0x50>;
....@@ -129,13 +268,6 @@
129268 		compatible = "atmel,24c02";
130269 		reg = <0x53>;
131270 		pagesize = <16>;
132
-	};
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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;
138
-		#gpio-cells = <2>;
139271 	};
140272 
141273 	rtc: ds1672@68 {
....@@ -392,6 +524,7 @@
392524 		fsl,pins = <
393525 			MX6QDL_PAD_EIM_D21__I2C1_SCL		0x4001b8b1
394526 			MX6QDL_PAD_EIM_D28__I2C1_SDA		0x4001b8b1
527
+			MX6QDL_PAD_GPIO_4__GPIO1_IO04		0x0001b0b0 /* GSC_IRQ# */
395528 		>;
396529 	};
397530