linux_dsm_epyc7002/arch/arm/boot/dts/kirkwood-km_kirkwood.dts

/dts-v1/;

#include "kirkwood.dtsi"
#include "kirkwood-98dx4122.dtsi"

/ {
	model = "Keymile Kirkwood Reference Design";
	compatible = "keymile,km_kirkwood", "marvell,kirkwood-98DX4122", "marvell,kirkwood";

	memory {
		device_type = "memory";
		reg = <0x00000000 0x08000000>;
	};

	chosen {
		bootargs = "console=ttyS0,115200n8 earlyprintk";
		stdout-path = &uart0;
	};

	ocp@f1000000 {
		pinctrl: pin-controller@10000 {
			pinctrl-0 = < &pmx_i2c_gpio_sda &pmx_i2c_gpio_scl >;
			pinctrl-names = "default";

			pmx_i2c_gpio_sda: pmx-gpio-sda {
				marvell,pins = "mpp8";
				marvell,function = "gpio";
			};
			pmx_i2c_gpio_scl: pmx-gpio-scl {
				marvell,pins = "mpp9";
				marvell,function = "gpio";
			};
		};

		serial@12000 {
			status = "ok";
		};
	};

	i2c@0 {
		compatible = "i2c-gpio";
		gpios = < &gpio0 8 GPIO_ACTIVE_HIGH		/* sda */
			  &gpio0 9 GPIO_ACTIVE_HIGH>;		/* scl */
		i2c-gpio,delay-us = <2>;	/* ~100 kHz */
	};
};

&nand {
	pinctrl-0 = <&pmx_nand>;
	pinctrl-names = "default";
	status = "ok";
	chip-delay = <25>;
};

&mdio {
	status = "okay";

	ethphy0: ethernet-phy@0 {
		reg = <0>;
	};
};

&eth0 {
	status = "okay";
	ethernet0-port@0 {
		phy-handle = <&ethphy0>;
	};
};