u-boot/arch/arm/dts/zynqmp-mini-qspi.dts

// SPDX-License-Identifier: GPL-2.0+
/*
 * dts file for Xilinx ZynqMP Mini Configuration
 *
 * (C) Copyright 2015 - 2020, Xilinx, Inc.
 *
 * Siva Durga Prasad Paladugu <siva.durga.prasad.paladugu@amd.com>
 * Michal Simek <michal.simek@amd.com>
 */

/dts-v1/;

/ {
	model = "ZynqMP MINI QSPI";
	compatible = "xlnx,zynqmp";
	#address-cells = <2>;
	#size-cells = <1>;

	aliases {
		serial0 = &dcc;
		spi0 = &qspi;
	};

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

	memory@fffc0000 {
		device_type = "memory";
		reg = <0x0 0xfffc0000 0x40000>;
	};

	dcc: dcc {
		compatible = "arm,dcc";
		status = "disabled";
		bootph-all;
	};

	amba: amba {
		compatible = "simple-bus";
		#address-cells = <2>;
		#size-cells = <1>;
		ranges;

		qspi: spi@ff0f0000 {
			compatible = "xlnx,zynqmp-qspi-1.0";
			status = "disabled";
			clock-names = "ref_clk", "pclk";
			clocks = <&misc_clk &misc_clk>;
			num-cs = <1>;
			reg = <0x0 0xff0f0000 0x1000 0x0 0xc0000000 0x8000000>;
			#address-cells = <1>;
			#size-cells = <0>;
		};

		misc_clk: misc_clk {
			compatible = "fixed-clock";
			#clock-cells = <0>;
			clock-frequency = <125000000>;
		};
	};
};

&qspi {
	status = "okay";
	flash0: flash@0 {
		compatible = "n25q512a11", "jedec,spi-nor";
		#address-cells = <1>;
		#size-cells = <1>;
		reg = <0x0>;
		spi-tx-bus-width = <4>;
		spi-rx-bus-width = <4>;
		spi-max-frequency = <40000000>;
	};
};

&dcc {
	status = "okay";
};