arch/arm/dts/versal-mini-ospi.dtsi

// SPDX-License-Identifier: GPL-2.0
/*
 * dts file for Xilinx Versal Mini OSPI Configuration
 *
 * (C) Copyright 2018-2019, Xilinx, Inc.
 *
 * Siva Durga Prasad Paladugu <siva.durga.prasad.paladugu@amd.com>
 * Michal Simek <michal.simek@amd.com>
 */

/dts-v1/;

/ {
	compatible = "xlnx,versal";
	#address-cells = <2>;
	#size-cells = <2>;
	model = "Xilinx Versal MINI OSPI";

	clk125: clk125 {
		compatible = "fixed-clock";
		#clock-cells = <0x0>;
		clock-frequency = <125000000>;
	};

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

	amba: amba {
		bootph-all;
		compatible = "simple-bus";
		#address-cells = <0x2>;
		#size-cells = <0x2>;
		ranges;

		ospi: spi@f1010000 {
			compatible = "cadence,qspi", "cdns,qspi-nor";
			status = "okay";
			reg = <0 0xf1010000 0 0x10000 0 0xc0000000 0 0x20000000>;
			clock-names = "ref_clk", "pclk";
			clocks = <&clk125 &clk125>;
			bus-num = <2>;
			num-cs = <1>;
			cdns,fifo-depth = <256>;
			cdns,fifo-width = <4>;
			cdns,is-dma = <1>;
			cdns,trigger-address = <0xc0000000>;
			#address-cells = <1>;
			#size-cells = <0>;

			flash0: flash@0 {
				compatible = "n25q512a", "micron,m25p80",
					     "jedec,spi-nor";
				reg = <0x0>;
				spi-tx-bus-width = <8>;
				spi-rx-bus-width = <8>;
				spi-max-frequency = <20000000>;
				no-wp;
			};
		};
	};

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

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

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