u-boot/arch/arm/dts/imxrt1020.dtsi

// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
/*
 * Copyright (C) 2020
 * Author(s): Giulio Benetti <giulio.benetti@benettiengineering.com>
 */

#include "armv7-m.dtsi"
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/imxrt1020-clock.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/memory/imxrt-sdram.h>

/ {
	#address-cells = <1>;
	#size-cells = <1>;

	aliases {
		gpio0 = &gpio1;
		gpio1 = &gpio2;
		gpio2 = &gpio3;
		mmc0 = &usdhc1;
		serial0 = &lpuart1;
	};

	clocks {
		u-boot,dm-spl;
		ckil {
			compatible = "fsl,imx-ckil", "fixed-clock";
			#clock-cells = <0>;
			clock-frequency = <32768>;
		};

		ckih1 {
			compatible = "fsl,imx-ckih1", "fixed-clock";
			#clock-cells = <0>;
			clock-frequency = <0>;
		};

		osc: osc {
			u-boot,dm-spl;
			compatible = "fsl,imx-osc", "fixed-clock";
			#clock-cells = <0>;
			clock-frequency = <24000000>;
		};
	};

	soc {
		u-boot,dm-spl;

		semc: semc@402f0000 {
			u-boot,dm-spl;
			compatible = "fsl,imxrt-semc";
			reg = <0x402f0000 0x4000>;
			clocks = <&clks IMXRT1020_CLK_SEMC>;
			pinctrl-0 = <&pinctrl_semc>;
			pinctrl-names = "default";
			status = "okay";
		};

		lpuart1: serial@40184000 {
			compatible = "fsl,imxrt-lpuart";
			reg = <0x40184000 0x4000>;
			interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&clks IMXRT1020_CLK_LPUART1>;
			clock-names = "per";
			status = "disabled";
		};

		iomuxc: iomuxc@401f8000 {
			compatible = "fsl,imxrt-iomuxc";
			reg = <0x401f8000 0x4000>;
			fsl,mux_mask = <0x7>;
		};

		clks: ccm@400fc000 {
			u-boot,dm-spl;
			compatible = "fsl,imxrt1020-ccm";
			reg = <0x400fc000 0x4000>;
			interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>;
			#clock-cells = <1>;
		};

		usdhc1: usdhc@402c0000 {
			u-boot,dm-spl;
			compatible = "fsl,imxrt-usdhc";
			reg = <0x402c0000 0x10000>;
			interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>;
			clocks = <&clks IMXRT1020_CLK_USDHC1>;
			clock-names = "per";
			bus-width = <4>;
			fsl,tuning-start-tap = <20>;
			fsl,tuning-step= <2>;
			status = "disabled";
		};

		gpio1: gpio@401b8000 {
			u-boot,dm-spl;
			compatible = "fsl,imxrt-gpio", "fsl,imx35-gpio";
			reg = <0x401b8000 0x4000>;
			interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>,
				     <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>;
			gpio-controller;
			#gpio-cells = <2>;
			interrupt-controller;
			#interrupt-cells = <2>;
		};

		gpio2: gpio@401bc000 {
			u-boot,dm-spl;
			compatible = "fsl,imxrt-gpio", "fsl,imx35-gpio";
			reg = <0x401bc000 0x4000>;
			interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>,
				<GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
			gpio-controller;
			#gpio-cells = <2>;
			interrupt-controller;
			#interrupt-cells = <2>;
		};

		gpio3: gpio@401c0000 {
			u-boot,dm-spl;
			compatible = "fsl,imxrt-gpio", "fsl,imx35-gpio";
			reg = <0x401c0000 0x4000>;
			interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>,
				<GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
			gpio-controller;
			#gpio-cells = <2>;
			interrupt-controller;
			#interrupt-cells = <2>;
		};

		gpt1: gpt1@401ec000 {
			compatible = "fsl,imxrt-gpt";
			reg = <0x401ec000 0x4000>;
			interrupts = <100>;
			clocks = <&osc>;
			status = "disabled";
		};
	};
};