ARM: dts: imx6q-apalis-eval: add support for Apalis Evaluation Board

Add support for the Toradex Apalis Evaluation Board.
Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/Makefile

@@ -392,6 +392,7 @@ dtb-$(CONFIG_SOC_IMX6Q) += \
 	imx6dl-udoo.dtb \
 	imx6dl-wandboard.dtb \
 	imx6dl-wandboard-revb1.dtb \
+	imx6q-apalis-eval.dtb \
 	imx6q-apalis-ixora.dtb \
 	imx6q-apalis-ixora-v1.1.dtb \
 	imx6q-apf6dev.dtb \

arch/arm/boot/dts/imx6q-apalis-eval.dts

+/*
+ * Copyright 2014-2017 Toradex AG
+ * Copyright 2012 Freescale Semiconductor, Inc.
+ * Copyright 2011 Linaro Ltd.
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ *  a) This file is free software; you can redistribute it and/or
+ *     modify it under the terms of the GNU General Public License
+ *     version 2 as published by the Free Software Foundation.
+ *
+ *     This file is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ * Or, alternatively,
+ *
+ *  b) Permission is hereby granted, free of charge, to any person
+ *     obtaining a copy of this software and associated documentation
+ *     files (the "Software"), to deal in the Software without
+ *     restriction, including without limitation the rights to use,
+ *     copy, modify, merge, publish, distribute, sublicense, and/or
+ *     sell copies of the Software, and to permit persons to whom the
+ *     Software is furnished to do so, subject to the following
+ *     conditions:
+ *
+ *     The above copyright notice and this permission notice shall be
+ *     included in all copies or substantial portions of the Software.
+ *
+ *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ *     OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include "imx6q.dtsi"
+#include "imx6qdl-apalis.dtsi"
+
+/ {
+	model = "Toradex Apalis iMX6Q/D Module on Apalis Evaluation Board";
+	compatible = "toradex,apalis_imx6q-eval", "toradex,apalis_imx6q",
+		     "fsl,imx6q";
+
+	aliases {
+		i2c0 = &i2c1;
+		i2c1 = &i2c3;
+		i2c2 = &i2c2;
+		rtc0 = &rtc_i2c;
+		rtc1 = &snvs_rtc;
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_gpio_keys>;
+
+		wakeup {
+			label = "Wake-Up";
+			gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
+			linux,code = <KEY_WAKEUP>;
+			debounce-interval = <10>;
+			wakeup-source;
+		};
+	};
+
+	lcd_display: display@di0 {
+		compatible = "fsl,imx-parallel-display";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		interface-pix-fmt = "rgb24";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_ipu1_lcdif>;
+		status = "okay";
+
+		port@0 {
+			reg = <0>;
+
+			lcd_display_in: endpoint {
+				remote-endpoint = <&ipu1_di1_disp1>;
+			};
+		};
+
+		port@1 {
+			reg = <1>;
+
+			lcd_display_out: endpoint {
+				remote-endpoint = <&lcd_panel_in>;
+			};
+		};
+	};
+
+	panel: panel {
+		/*
+		 * edt,et057090dhu: EDT 5.7" LCD TFT
+		 * edt,et070080dh6: EDT 7.0" LCD TFT
+		 */
+		compatible = "edt,et057090dhu";
+		backlight = <&backlight>;
+
+		port {
+			lcd_panel_in: endpoint {
+				remote-endpoint = <&lcd_display_out>;
+			};
+		};
+	};
+
+	reg_pcie_switch: regulator-pcie-switch {
+		compatible = "regulator-fixed";
+		regulator-name = "pcie_switch";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		gpio = <&gpio1 2 GPIO_ACTIVE_HIGH>;
+		startup-delay-us = <100000>;
+		enable-active-high;
+		status = "okay";
+	};
+};
+
+&backlight {
+	brightness-levels = <0 127 191 223 239 247 251 255>;
+	default-brightness-level = <1>;
+	status = "okay";
+};
+
+&can1 {
+	status = "okay";
+};
+
+&can2 {
+	status = "okay";
+};
+
+&hdmi {
+	status = "okay";
+};
+
+/* I2C1_SDA/SCL on MXM3 209/211 (e.g. RTC on carrier board) */
+&i2c1 {
+	status = "okay";
+
+	pcie-switch@58 {
+		compatible = "plx,pex8605";
+		reg = <0x58>;
+	};
+
+	/* M41T0M6 real time clock on carrier board */
+	rtc_i2c: rtc@68 {
+		compatible = "st,m41t00";
+		reg = <0x68>;
+	};
+};
+
+/*
+ * I2C3_SDA/SCL (CAM) on MXM3 pin 201/203 (e.g. camera sensor on carrier
+ * board)
+ */
+&i2c3 {
+	status = "okay";
+};
+
+&ipu1_di1_disp1 {
+	remote-endpoint = <&lcd_display_in>;
+};
+
+&ldb {
+	status = "okay";
+};
+
+&pcie {
+	/* active-high meaning opposite of regular PERST# active-low polarity */
+	reset-gpio = <&gpio1 28 GPIO_ACTIVE_HIGH>;
+	reset-gpio-active-high;
+	vpcie-supply = <&reg_pcie_switch>;
+	status = "okay";
+};
+
+&pwm1 {
+	status = "okay";
+};
+
+&pwm2 {
+	status = "okay";
+};
+
+&pwm3 {
+	status = "okay";
+};
+
+&pwm4 {
+	status = "okay";
+};
+
+&reg_usb_otg_vbus {
+	status = "okay";
+};
+
+&reg_usb_host_vbus {
+	status = "okay";
+};
+
+&sata {
+	status = "okay";
+};
+
+&sound_spdif {
+	status = "okay";
+};
+
+&spdif {
+	status = "okay";
+};
+
+&uart1 {
+	status = "okay";
+};
+
+&uart2 {
+	status = "okay";
+};
+
+&uart4 {
+	status = "okay";
+};
+
+&uart5 {
+	status = "okay";
+};
+
+&usbh1 {
+	vbus-supply = <&reg_usb_host_vbus>;
+	status = "okay";
+};
+
+&usbotg {
+	vbus-supply = <&reg_usb_otg_vbus>;
+	status = "okay";
+};
+
+/* MMC1 */
+&usdhc1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usdhc1_4bit &pinctrl_usdhc1_8bit &pinctrl_mmc_cd>;
+	cd-gpios = <&gpio4 20 GPIO_ACTIVE_LOW>;
+	status = "okay";
+};
+
+/* SD1 */
+&usdhc2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usdhc2 &pinctrl_sd_cd>;
+	cd-gpios = <&gpio6 14 GPIO_ACTIVE_LOW>;
+	status = "okay";
+};
+
+&iomuxc {
+	/*
+	 * Mux the Apalis GPIOs
+	 */
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_apalis_gpio1 &pinctrl_apalis_gpio2
+		     &pinctrl_apalis_gpio3 &pinctrl_apalis_gpio4
+		     &pinctrl_apalis_gpio5 &pinctrl_apalis_gpio6
+		     &pinctrl_apalis_gpio7 &pinctrl_apalis_gpio8
+		    >;
+};