xref: /kernel/linux/linux-6.6/arch/arm/boot/dts/marvell/kirkwood-openrd.dtsi

// SPDX-License-Identifier: GPL-2.0
/*
 * Marvell OpenRD (Base|Client|Ultimate) Board Description
 *
 * Andrew Lunn <andrew@lunn.ch>
 *
 * This file contains the definitions that are common between the three
 * variants of the Marvell Kirkwood Development Board.
 */

#include "kirkwood.dtsi"
#include "kirkwood-6281.dtsi"

/ {
	memory {
		device_type = "memory";
		reg = <0x00000000 0x20000000>;
	};

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

	ocp@f1000000 {
		pinctrl: pin-controller@10000 {
			pinctrl-0 = <&pmx_select28 &pmx_sdio_cd &pmx_select34>;
			pinctrl-names = "default";

			pmx_select28: pmx-select-rs232-rs485 {
				marvell,pins = "mpp28";
				marvell,function = "gpio";
			};
			pmx_sdio_cd: pmx-sdio-cd {
				marvell,pins = "mpp29";
				marvell,function = "gpio";
			};
			pmx_select34: pmx-select-uart-sd {
				marvell,pins = "mpp34";
				marvell,function = "gpio";
			};
		};
		serial@12000 {
			status = "okay";

		};
		sata@80000 {
			status = "okay";
			nr-ports = <2>;
		};
		mvsdio@90000 {
			status = "okay";
			cd-gpios = <&gpio0 29 9>;
		};
		gpio@10100 {
			p28 {
				gpio-hog;
				gpios = <28 GPIO_ACTIVE_HIGH>;
				/*
				 * SelRS232or485 selects between RS-232 or RS-485
				 * mode for the second UART.
				 *
				 * Low: RS-232
				 * High: RS-485
				 *
				 * To use the second UART, you need to change also
				 * the SelUARTorSD.
				 */
				output-low;
				line-name = "SelRS232or485";
			};
		};
		gpio@10140 {
			p2 {
				gpio-hog;
				gpios = <2 GPIO_ACTIVE_HIGH>;
				/*
				 * SelUARTorSD selects between the second UART
				 * (serial@12100) and SD (mvsdio@90000).
				 *
				 * Low: UART
				 * High: SD
				 *
				 * When changing this line make sure the newly
				 * selected device node is enabled and the
				 * previously selected device node is disabled.
				 */
				output-high; /* Select SD by default */
				line-name = "SelUARTorSD";
			};
		};
	};
};

&nand {
	status = "okay";
	pinctrl-0 = <&pmx_nand>;
	pinctrl-names = "default";

	partition@0 {
		label = "u-boot";
		reg = <0x0000000 0x100000>;
	};

	partition@100000 {
		label = "uImage";
		reg = <0x0100000 0x400000>;
	};

	partition@600000 {
		label = "root";
		reg = <0x0600000 0x1FA00000>;
	};
};

&pciec {
	status = "okay";
};

&pcie0 {
	status = "okay";
};