xref: /OK3568_Linux_fs/kernel/arch/arm/boot/dts/imx7-colibri-aster.dtsi (revision 4882a59341e53eb6f0b4789bf948001014eff981)

// SPDX-License-Identifier: (GPL-2.0 OR MIT)
/*
 * Copyright 2017-2020 Toradex AG
 *
 */


#include <dt-bindings/input/input.h>
#include <dt-bindings/pwm/pwm.h>

/ {
	chosen {
		stdout-path = "serial0:115200n8";
	};

	gpio-keys {
		compatible = "gpio-keys";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_gpiokeys>;

		power {
			label = "Wake-Up";
			gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
			linux,code = <KEY_WAKEUP>;
			debounce-interval = <10>;
			wakeup-source;
		};
	};

	panel: panel {
		compatible = "edt,et057090dhu";
		backlight = <&bl>;
		power-supply = <&reg_3v3>;

		port {
			panel_in: endpoint {
				remote-endpoint = <&lcdif_out>;
			};
		};
	};

	reg_3v3: regulator-3v3 {
		compatible = "regulator-fixed";
		regulator-name = "3.3V";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
	};

	reg_5v0: regulator-5v0 {
		compatible = "regulator-fixed";
		regulator-name = "5V";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
	};

	reg_usbh_vbus: regulator-usbh-vbus {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_usbh_reg>;
		regulator-name = "VCC_USB[1-4]";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		gpio = <&gpio4 7 GPIO_ACTIVE_LOW>;
		vin-supply = <&reg_5v0>;
	};
};

&adc1 {
	status = "okay";
};

/*
 * ADC2 is not available on the Aster board and
 * conflicts with AD7879 resistive touchscreen.
 */
&adc2 {
	status = "disabled";
};

&bl {
	brightness-levels = <0 4 8 16 32 64 128 255>;
	default-brightness-level = <6>;
	power-supply = <&reg_3v3>;
	status = "okay";
};

&fec1 {
	status = "okay";
};

&i2c4 {
	status = "okay";

	/* Microchip/Atmel maxtouch controller */
	touchscreen@4a {
		compatible = "atmel,maxtouch";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_gpiotouch>;
		reg = <0x4a>;
		interrupt-parent = <&gpio2>;
		interrupts = <15 IRQ_TYPE_EDGE_FALLING>;	/* SODIMM 107 */
		reset-gpios = <&gpio2 28 GPIO_ACTIVE_LOW>;	/* SODIMM 106 */
	};

	/* M41T0M6 real time clock on carrier board */
	rtc: m41t0m6@68 {
		compatible = "st,m41t0";
		reg = <0x68>;
	};
};

&iomuxc {
	pinctrl_gpiotouch: touchgpios {
		fsl,pins = <
			MX7D_PAD_EPDC_DATA15__GPIO2_IO15        0x74
			MX7D_PAD_EPDC_BDR0__GPIO2_IO28          0x14
		>;
	};
};

&lcdif {
	status = "okay";

	port {
		lcdif_out: endpoint {
			remote-endpoint = <&panel_in>;
		};
	};
};

&pwm1 {
	status = "okay";
};

&pwm2 {
	status = "okay";
};

&pwm3 {
	status = "okay";
};

&pwm4 {
	status = "okay";
};

&uart1 {
	status = "okay";
};

&uart2 {
	status = "okay";
};

&uart3 {
	status = "okay";
};

&usbotg1 {
	status = "okay";
};

&usdhc1 {
	keep-power-in-suspend;
	no-1-8-v;
	wakeup-source;
	vmmc-supply = <&reg_3v3>;
	status = "okay";
};