disable i2c1

hc

2024-05-11 645e752c5a84baeb21015cdc85fc05b7d16312c8

 kernel/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi
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@@ -1,46 +1,14 @@
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+// SPDX-License-Identifier: GPL-2.0+ OR MIT
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 /*
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- * Copyright 2016 Toradex AG
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- *
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- * This file is dual-licensed: you can use it either under the terms
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- * of the GPL or the X11 license, at your option. Note that this dual
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- * licensing only applies to this file, and not this project as a
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- * whole.
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- *
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- *  a) This file is free software; you can redistribute it and/or
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- *     modify it under the terms of the GNU General Public License as
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- *     published by the Free Software Foundation; either version 2 of the
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- *     License, or (at your option) any later version.
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- *
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- *     This file is distributed in the hope that it will be useful,
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- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
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- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- *     GNU General Public License for more details.
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- *
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- * Or, alternatively,
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- *
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- *  b) Permission is hereby granted, free of charge, to any person
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- *     obtaining a copy of this software and associated documentation
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- *     files (the "Software"), to deal in the Software without
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- *     restriction, including without limitation the rights to use,
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- *     copy, modify, merge, publish, distribute, sublicense, and/or
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- *     sell copies of the Software, and to permit persons to whom the
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- *     Software is furnished to do so, subject to the following
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- *     conditions:
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- *
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- *     The above copyright notice and this permission notice shall be
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- *     included in all copies or substantial portions of the Software.
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- *
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- *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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- *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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- *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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- *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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- *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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- *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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- *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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- *     OTHER DEALINGS IN THE SOFTWARE.
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+ * Copyright 2016-2020 Toradex
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  */
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5
 
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 / {
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+	aliases {
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+		rtc0 = &rtc;
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+		rtc1 = &snvs_rtc;
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+	};
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+
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 	chosen {
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 		stdout-path = "serial0:115200n8";
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 	};
..
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@@ -50,6 +18,20 @@
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 		compatible = "fixed-clock";
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 		#clock-cells = <0>;
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 		clock-frequency = <16000000>;
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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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+		pinctrl-names = "default";
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+		pinctrl-0 = <&pinctrl_gpiokeys>;
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+
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+		power {
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+			label = "Wake-Up";
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+			gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
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+			linux,code = <KEY_WAKEUP>;
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+			debounce-interval = <10>;
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+			wakeup-source;
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+		};
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 	};
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36
 
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 	panel: panel {
..
..
@@ -131,6 +113,21 @@
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 &i2c4 {
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 	status = "okay";
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+	/*
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+	 * Touchscreen is using SODIMM 28/30, also used for PWM<B>, PWM<C>,
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+	 * aka pwm2, pwm3. so if you enable touchscreen, disable the pwms
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+	 */
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+	touchscreen@4a {
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+		compatible = "atmel,maxtouch";
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+		pinctrl-names = "default";
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+		pinctrl-0 = <&pinctrl_gpiotouch>;
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+		reg = <0x4a>;
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+		interrupt-parent = <&gpio1>;
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+		interrupts = <9 IRQ_TYPE_EDGE_FALLING>;		/* SODIMM 28 */
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+		reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;	/* SODIMM 30 */
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+		status = "disabled";
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+	};
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+
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 	/* M41T0M6 real time clock on carrier board */
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 	rtc: m41t0m6@68 {
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 		compatible = "st,m41t0";
..
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@@ -186,3 +183,12 @@
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 	vmmc-supply = <&reg_3v3>;
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 	status = "okay";
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 };
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+
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+&iomuxc {
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+	pinctrl_gpiotouch: touchgpios {
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+		fsl,pins = <
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+			MX7D_PAD_GPIO1_IO09__GPIO1_IO9		0x74
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+			MX7D_PAD_GPIO1_IO10__GPIO1_IO10		0x14
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+		>;
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+	};
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+};