linux/arch/arm/boot/dts/imx6dl-colibri-eval-v3.dts

// SPDX-License-Identifier: GPL-2.0+ OR MIT
/*
 * Copyright 2014-2020 Toradex
 * Copyright 2012 Freescale Semiconductor, Inc.
 * Copyright 2011 Linaro Ltd.
 */

/dts-v1/;

#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include "imx6dl.dtsi"
#include "imx6qdl-colibri.dtsi"

/ {
	model = "Toradex Colibri iMX6DL/S on Colibri Evaluation Board V3";
	compatible = "toradex,colibri_imx6dl-eval-v3", "toradex,colibri_imx6dl",
		     "fsl,imx6dl";

	/* Will be filled by the bootloader */
	memory@10000000 {
		device_type = "memory";
		reg = <0x10000000 0>;
	};

	aliases {
		i2c0 = &i2c2;
		i2c1 = &i2c3;
	};

	aliases {
		rtc0 = &rtc_i2c;
		rtc1 = &snvs_rtc;
	};

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

	/* Fixed crystal dedicated to mcp251x */
	clk16m: clock-16m {
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <16000000>;
		clock-output-names = "clk16m";
	};

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

		wakeup {
			label = "Wake-Up";
			gpios = <&gpio2 22 GPIO_ACTIVE_HIGH>; /* SODIMM 45 */
			linux,code = <KEY_WAKEUP>;
			debounce-interval = <10>;
			wakeup-source;
		};
	};

	lcd_display: disp0 {
		compatible = "fsl,imx-parallel-display";
		#address-cells = <1>;
		#size-cells = <0>;
		interface-pix-fmt = "bgr666";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_ipu1_lcdif>;
		status = "okay";

		port@0 {
			reg = <0>;

			lcd_display_in: endpoint {
				remote-endpoint = <&ipu1_di0_disp0>;
			};
		};

		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>;
			};
		};
	};
};

&backlight {
	brightness-levels = <0 127 191 223 239 247 251 255>;
	default-brightness-level = <1>;
	status = "okay";
};

/* Colibri SSP */
&ecspi4 {
	status = "okay";

	mcp251x0: mcp251x@0 {
		compatible = "microchip,mcp2515";
		reg = <0>;
		clocks = <&clk16m>;
		interrupt-parent = <&gpio3>;
		interrupts = <27 0x2>;
		spi-max-frequency = <10000000>;
		status = "okay";
	};
};

&hdmi {
	status = "okay";
};

/*
 * Colibri I2C: I2C3_SDA/SCL on SODIMM 194/196 (e.g. RTC on carrier board)
 */
&i2c3 {
	status = "okay";

	/*
	 * Touchscreen is using SODIMM 28/30, also used for PWM<B>, PWM<C>,
	 * aka pwm2, pwm3. so if you enable touchscreen, disable the pwms
	 */
	touchscreen@4a {
		compatible = "atmel,maxtouch";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_pcap_1>;
		reg = <0x4a>;
		interrupt-parent = <&gpio1>;
		interrupts = <9 IRQ_TYPE_EDGE_FALLING>;		/* SODIMM 28 */
		reset-gpios = <&gpio2 10 GPIO_ACTIVE_HIGH>;	/* SODIMM 30 */
		status = "disabled";
	};

	/* M41T0M6 real time clock on carrier board */
	rtc_i2c: rtc@68 {
		compatible = "st,m41t0";
		reg = <0x68>;
	};
};

&iomuxc {
	pinctrl-names = "default";
	pinctrl-0 = <
		&pinctrl_weim_gpio_1 &pinctrl_weim_gpio_2
		&pinctrl_weim_gpio_3 &pinctrl_weim_gpio_4
		&pinctrl_weim_gpio_5 &pinctrl_weim_gpio_6
		&pinctrl_usbh_oc_1 &pinctrl_usbc_id_1
	>;

	pinctrl_pcap_1: pcap1grp {
		fsl,pins = <
			MX6QDL_PAD_GPIO_9__GPIO1_IO09	0x1b0b0 /* SODIMM 28 */
			MX6QDL_PAD_SD4_DAT2__GPIO2_IO10	0x1b0b0 /* SODIMM 30 */
		>;
	};

	pinctrl_mxt_ts: mxttsgrp {
		fsl,pins = <
			MX6QDL_PAD_EIM_CS1__GPIO2_IO24	0x130b0 /* SODIMM 107 */
			MX6QDL_PAD_SD2_DAT1__GPIO1_IO14	0x130b0 /* SODIMM 106 */
		>;
	};
};

&ipu1_di0_disp0 {
	remote-endpoint = <&lcd_display_in>;
};

&pwm1 {
	status = "okay";
};

&pwm2 {
	status = "okay";
};

&pwm3 {
	status = "okay";
};

&pwm4 {
	status = "okay";
};

&reg_usb_host_vbus {
	status = "okay";
};

&uart1 {
	status = "okay";
};

&uart2 {
	status = "okay";
};

&uart3 {
	status = "okay";
};

&usbh1 {
	vbus-supply = <&reg_usb_host_vbus>;
	status = "okay";
};

&usbotg {
	status = "okay";
};

/* Colibri MMC */
&usdhc1 {
	status = "okay";
};

&weim {
	status = "okay";

	/* weim memory map: 32MB on CS0, CS1, CS2 and CS3 */
	ranges = <0 0 0x08000000 0x02000000
		  1 0 0x0a000000 0x02000000
		  2 0 0x0c000000 0x02000000
		  3 0 0x0e000000 0x02000000>;

	/* SRAM on Colibri nEXT_CS0 */
	sram@0,0 {
		compatible = "cypress,cy7c1019dv33-10zsxi", "mtd-ram";
		reg = <0 0 0x00010000>;
		#address-cells = <1>;
		#size-cells = <1>;
		bank-width = <2>;
		fsl,weim-cs-timing = <0x00010081 0x00000000 0x04000000
				      0x00000000 0x04000040 0x00000000>;
	};

	/* SRAM on Colibri nEXT_CS1 */
	sram@1,0 {
		compatible = "cypress,cy7c1019dv33-10zsxi", "mtd-ram";
		reg = <1 0 0x00010000>;
		#address-cells = <1>;
		#size-cells = <1>;
		bank-width = <2>;
		fsl,weim-cs-timing = <0x00010081 0x00000000 0x04000000
				      0x00000000 0x04000040 0x00000000>;
	};
};