U-Boot

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * (C) Copyright 2024 - Analog Devices, Inc.
 */

/dts-v1/;

#include "sc5xx.dtsi"
#include "sc59x.dtsi"

/{
	gic: interrupt-controller@310B2000 {
		compatible = "arm,cortex-a5-gic", "arm,cortex-a9-gic";
		#interrupt-cells = <3>;
		#address-cells = <0>;
		interrupt-controller;
		reg = <0x310B2000 0x1000>,
		      <0x310B4000 0x100>;
	};
};

&timer0 {
	clocks = <&clk ADSP_SC594_CLK_CGU0_SCLK0>;
};

&pinctrl0 {
	soc_defaults: soc_pins {
		bootph-pre-ram;
		adi,pins = <ADI_ADSP_PIN('A', 14) ADI_ADSP_PINFUNC_ALT0>, /* i2c */
		       <ADI_ADSP_PIN('A', 15) ADI_ADSP_PINFUNC_ALT0>,
		       <ADI_ADSP_PIN('F', 2) ADI_ADSP_PINFUNC_ALT0>, /* emmc */
		       <ADI_ADSP_PIN('F', 3) ADI_ADSP_PINFUNC_ALT0>,
		       <ADI_ADSP_PIN('F', 4) ADI_ADSP_PINFUNC_ALT0>,
		       <ADI_ADSP_PIN('F', 5) ADI_ADSP_PINFUNC_ALT0>,
		       <ADI_ADSP_PIN('F', 6) ADI_ADSP_PINFUNC_ALT0>,
		       <ADI_ADSP_PIN('F', 7) ADI_ADSP_PINFUNC_ALT0>,
		       <ADI_ADSP_PIN('F', 8) ADI_ADSP_PINFUNC_ALT0>,
		       <ADI_ADSP_PIN('F', 9) ADI_ADSP_PINFUNC_ALT0>,
		       <ADI_ADSP_PIN('F', 10) ADI_ADSP_PINFUNC_ALT0>,
		       <ADI_ADSP_PIN('F', 11) ADI_ADSP_PINFUNC_ALT0>,
		       <ADI_ADSP_PIN('F', 12) ADI_ADSP_PINFUNC_ALT0>;
	};

	ospi_default: ospi_pins {
		bootph-pre-ram;
		adi,pins = <ADI_ADSP_PIN('C', 8) ADI_ADSP_PINFUNC_ALT0>,
		       <ADI_ADSP_PIN('C', 9) ADI_ADSP_PINFUNC_ALT0>,
		       <ADI_ADSP_PIN('C', 10) ADI_ADSP_PINFUNC_ALT0>,
		       <ADI_ADSP_PIN('C', 11) ADI_ADSP_PINFUNC_ALT0>,
		       <ADI_ADSP_PIN('C', 12) ADI_ADSP_PINFUNC_ALT0>,
		       <ADI_ADSP_PIN('C', 13) ADI_ADSP_PINFUNC_ALT0>,
		       <ADI_ADSP_PIN('C', 14) ADI_ADSP_PINFUNC_ALT0>,
		       <ADI_ADSP_PIN('C', 15) ADI_ADSP_PINFUNC_ALT0>,
		       <ADI_ADSP_PIN('D', 0) ADI_ADSP_PINFUNC_ALT0>,
		       <ADI_ADSP_PIN('D', 1) ADI_ADSP_PINFUNC_ALT0>,
		       <ADI_ADSP_PIN('D', 4) ADI_ADSP_PINFUNC_ALT2>;
	};
};

&clk {
	compatible = "adi,sc594-clocks";
};

&uart0 {
	clocks = <&clk ADSP_SC594_CLK_CGU0_SCLK0>;
};

&wdog {
	clocks = <&clk ADSP_SC594_CLK_CGU0_SCLK0>;
};

&i2c0 {
	clocks = <&clk ADSP_SC594_CLK_CGU0_SCLK0>;
};

&i2c1 {
	clocks = <&clk ADSP_SC594_CLK_CGU0_SCLK0>;
};

&i2c2 {
	clocks = <&clk ADSP_SC594_CLK_CGU0_SCLK0>;

	som_gpio_expander: mcp23017@21 {
		compatible = "microchip,mcp23017";
		reg = <0x21>;
		gpio-controller;
		#gpio-cells = <2>;
		bootph-pre-ram;

		led1 {
			gpio-hog;
			gpios = <0 GPIO_ACTIVE_HIGH>;
			output-high;
			line-name = "led1-en";
			bootph-pre-ram;
		};

		led2 {
			gpio-hog;
			gpios = <1 GPIO_ACTIVE_HIGH>;
			output-high;
			line-name = "led2-en";
			bootph-pre-ram;
		};

		led3 {
			gpio-hog;
			gpios = <2 GPIO_ACTIVE_HIGH>;
			output-high;
			line-name = "led3-en";
			bootph-pre-ram;
		};

		spi2flash-cs {
			gpio-hog;
			gpios = <3 GPIO_ACTIVE_LOW>;
			output-high;
			line-name = "spi2flash-cs";
			bootph-pre-ram;
		};

		spi2d2-d3 {
			gpio-hog;
			gpios = <4 GPIO_ACTIVE_LOW>;
			output-high;
			line-name = "spi2d2-d3-en";
			bootph-pre-ram;
		};

		uart0 {
			gpio-hog;
			gpios = <5 GPIO_ACTIVE_LOW>;
			output-high;
			line-name = "uart0-en";
			bootph-pre-ram;
		};

		uart0-flow-en {
			gpio-hog;
			gpios = <6 GPIO_ACTIVE_LOW>;
			output-low;
			line-name = "uart0-flow-en";
			bootph-pre-ram;
		};

		ospiflash-cs {
			gpio-hog;
			gpios = <7 GPIO_ACTIVE_LOW>;
			output-high;
			line-name = "ospiflash-cs";
			bootph-pre-ram;
		};
	};
};

&ospi {
	status = "okay";

	clocks = <&clk ADSP_SC594_CLK_OSPI>;

	flash0: is25lx256@0 {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "jedec,spi-nor", "is25lx256";
		reg = <0>;

		spi-max-frequency = <100000000>;
		cdns,spi-calib-frequency = <10000000>;

		spi-tx-bus-width = <8>;
		spi-rx-bus-width = <8>;

		tshsl-ns = <50>;
		tsd2d-ns = <50>;
		tchsh-ns = <4>;
		tslch-ns = <4>;
		bootph-pre-ram;

		cdns,phy;
	};
};

&spi2 {
	clocks = <&clk ADSP_SC594_CLK_SPI>;

	flash1: is25lp512@1 {
		#address-cells = <1>;
		#size-cells = <1>;
		compatible = "jedec,spi-nor", "is25lp512";
		reg = <1>;
		spi-tx-bus-width = <4>;
		spi-rx-bus-width = <4>;
		spi-max-frequency = <10000000>;
		bootph-pre-ram;
	};
};

&usb0_phy {
	status = "okay";
	clocks = <&clk ADSP_SC594_CLK_CGU0_SCLK0>;
	clock-names = "sclk0";
};

&usb0 {
	status = "okay";
};