u-boot/arch/arm/dts/imx6q-kp.dts

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright 2018
 * Lukasz Majewski, DENX Software Engineering, lukma@denx.de
 *
 * SPDX-License-Identifier:     GPL-2.0+ or X11
 */

/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
#include "imx6q.dtsi"

/ {
	model = "K+P iMX6Q";
	compatible = "kp,imx6-kp", "fsl,imx6";

	aliases {
		mmc0 = &usdhc2;
		mmc1 = &usdhc4;
		usb1 = &usbh1;
	};

	chosen {
		stdout-path = &uart1;
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_leds>;

		green {
			label = "green";
			gpios = <&gpio3 23 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "gpio";
			default-state = "off";
		};

		red {
			label = "red";
			gpios = <&gpio3 16 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "gpio";
			default-state = "off";
		};
	};

	memory@10000000 {
		reg = <0x10000000 0x40000000>;
	};

	reg_usb_h1_vbus: regulator-usb_h1_vbus {
		compatible = "regulator-fixed";
		regulator-name = "usb_h1_vbus";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		gpio = <&gpio3 31 GPIO_ACTIVE_HIGH>;
		enable-active-high;
	};
};

&fec {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_enet>;
	phy-reset-gpios = <&gpio1 25 GPIO_ACTIVE_LOW>;
	phy-reset-duration = <10>;
	phy-mode = "rgmii";
	fsl,magic-packet;
	fsl,enet-loopback-clk; /* anatop reference clk via PAD loopback */
	fsl,enet-freq = <1>; /* ENET_25MHZ  = 0, ENET_50MHZ  = 1 */
			     /* ENET_100MHZ = 2, ENET_125MHZ = 3 */
	status = "okay";
};

&i2c1 {
	clock-frequency = <400000>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c1>;
	status = "okay";

	ds1307: rtc@32 {
		compatible = "dallas,ds1307";
		reg = <0x32>;
	};
};

&i2c2 {
	clock-frequency = <400000>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c2>;
	status = "okay";
};

&iomuxc {
	pinctrl_enet: enetgrp {
		fsl,pins = <
			MX6QDL_PAD_ENET_MDIO__ENET_MDIO	0x1b0b0
			MX6QDL_PAD_ENET_MDC__ENET_MDC		0x1b0b0
			MX6QDL_PAD_RGMII_TXC__RGMII_TXC	0x1b0b0
			MX6QDL_PAD_RGMII_TD0__RGMII_TD0	0x1b0b0
			MX6QDL_PAD_RGMII_TD1__RGMII_TD1	0x1b0b0
			MX6QDL_PAD_RGMII_TD2__RGMII_TD2	0x1b0b0
			MX6QDL_PAD_RGMII_TD3__RGMII_TD3	0x1b0b0
			MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL	0x1b0b0
			MX6QDL_PAD_ENET_REF_CLK__ENET_TX_CLK	0x1b0b0
			MX6QDL_PAD_RGMII_RXC__RGMII_RXC	0x1b0b0
			MX6QDL_PAD_RGMII_RD0__RGMII_RD0	0x1b0b0
			MX6QDL_PAD_RGMII_RD1__RGMII_RD1	0x1b0b0
			MX6QDL_PAD_RGMII_RD2__RGMII_RD2	0x1b0b0
			MX6QDL_PAD_RGMII_RD3__RGMII_RD3	0x1b0b0
			MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL	0x1b0b0
			MX6QDL_PAD_GPIO_16__ENET_REF_CLK 0x4001b0a8
			MX6QDL_PAD_ENET_CRS_DV__GPIO1_IO25	0x1b0b0
		>;
	};

	pinctrl_leds: gpioledsgrp {
		fsl,pins = <
			MX6QDL_PAD_EIM_D23__GPIO3_IO23          0x4001b0b0
			MX6QDL_PAD_EIM_D16__GPIO3_IO16          0x4001b0b0
		>;
	};

	pinctrl_i2c1: i2c1grp {
		fsl,pins = <
			MX6QDL_PAD_CSI0_DAT8__I2C1_SDA	0x4001b8b1
			MX6QDL_PAD_CSI0_DAT9__I2C1_SCL	0x4001b8b1
		>;
	};

	pinctrl_i2c2: i2c2grp {
		fsl,pins = <
			MX6QDL_PAD_KEY_COL3__I2C2_SCL	0x4001b8b1
			MX6QDL_PAD_KEY_ROW3__I2C2_SDA	0x4001b8b1
		 >;
	};

	pinctrl_uart1: uart1grp {
		fsl,pins = <
			MX6QDL_PAD_SD3_DAT7__UART1_TX_DATA	0x1b0b1
			MX6QDL_PAD_SD3_DAT6__UART1_RX_DATA	0x1b0b1
		>;
	};

	pinctrl_uart2: uart2grp {
		fsl,pins = <
			MX6QDL_PAD_EIM_D26__UART2_TX_DATA       0x1b0b1
			MX6QDL_PAD_EIM_D27__UART2_RX_DATA       0x1b0b1
			MX6QDL_PAD_EIM_D28__UART2_CTS_B         0x1b0b1
			MX6QDL_PAD_EIM_D29__UART2_RTS_B         0x1b0b1
		>;
	};

	pinctrl_usbh1: usbh1grp {
		fsl,pins = <
			MX6QDL_PAD_EIM_D31__GPIO3_IO31          0x1b0b1
			MX6QDL_PAD_ENET_RX_ER__USB_OTG_ID       0x17059
		>;
	};

	pinctrl_usdhc2: usdhc2grp {
		fsl,pins = <
			MX6QDL_PAD_SD2_CMD__SD2_CMD		0x17019
			MX6QDL_PAD_SD2_CLK__SD2_CLK		0x10019
			MX6QDL_PAD_SD2_DAT0__SD2_DATA0		0x17019
			MX6QDL_PAD_SD2_DAT1__SD2_DATA1		0x17019
			MX6QDL_PAD_SD2_DAT2__SD2_DATA2		0x17019
			MX6QDL_PAD_SD2_DAT3__SD2_DATA3		0x17019
			MX6QDL_PAD_NANDF_CS3__GPIO6_IO16        0x20000
			MX6QDL_PAD_GPIO_4__GPIO1_IO04           0x20000
		>;
	};

	pinctrl_usdhc4: usdhc4grp {
		fsl,pins = <
			MX6QDL_PAD_SD4_CMD__SD4_CMD		0x17019
			MX6QDL_PAD_SD4_CLK__SD4_CLK		0x10019
			MX6QDL_PAD_SD4_DAT0__SD4_DATA0		0x17019
			MX6QDL_PAD_SD4_DAT1__SD4_DATA1		0x17019
			MX6QDL_PAD_SD4_DAT2__SD4_DATA2		0x17019
			MX6QDL_PAD_SD4_DAT3__SD4_DATA3		0x17019
			MX6QDL_PAD_SD4_DAT4__SD4_DATA4		0x17019
			MX6QDL_PAD_SD4_DAT5__SD4_DATA5		0x17019
			MX6QDL_PAD_SD4_DAT6__SD4_DATA6		0x17019
			MX6QDL_PAD_SD4_DAT7__SD4_DATA7		0x17019
		>;
	};
};

&uart1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart1>;
	status = "okay";
};

&uart2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_uart2>;
	uart-has-rtscts;
};

&usbh1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_usbh1>;
	vbus-supply = <&reg_usb_h1_vbus>;
	status = "okay";
};

&usdhc2 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_usdhc2>;
	bus-width = <4>;
	cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
	status = "okay";
};

&usdhc4 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_usdhc4>;
	bus-width = <8>;
	non-removable;
	no-1-8-v;
	keep-power-in-suspend;
	status = "okay";
};