linux-loongson/arch/arm/boot/dts/broadcom/bcm6846-genexis-xg6846b.dts

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright 2024 Linus Walleij <linus.walleij@linaro.org>
 */

/dts-v1/;

#include "bcm6846.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>

/ {
	model = "Genexis XG6846B Ethernet layer 2/3 router";
	compatible = "genexis,xg6846b", "brcm,bcm6846", "brcm,bcmbca";

	aliases {
		serial0 = &uart0;
	};

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

	/* Micron D9PTK 256 MB RAM */
	memory@0 {
		device_type = "memory";
		reg = <0x0 0x10000000>;
	};

	reserved-memory {
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		secondary-boot@0 {
			no-map;
			reg = <0x00000000 0x00008000>;
		};
		pmc3-firmware@8000 {
			no-map;
			reg = <0x00008000 0x00100000>;
		};
	};

	gpio-keys {
		compatible = "gpio-keys-polled";
		poll-interval = <20000>;

		/* Called "canyon rescue button" in the vendor DTB */
		button-restart {
			label = "Reset";
			linux,code = <KEY_RESTART>;
			gpios = <&gpio0 41 GPIO_ACTIVE_LOW>;
		};
	};
};

&gpio0 {
	status = "okay";
};

&gpio1 {
	status = "okay";
};

&gpio2 {
	status = "okay";
	/* Totally 79 GPIOs are available */
	ngpios = <15>;
};

&uart0 {
	status = "okay";
};

&leds {
	status = "okay";
	brcm,serial-shift-bits = <16>;

	led@0 {
		reg = <0>;
		active-low;
		function = "ext";
		color = <LED_COLOR_ID_GREEN>;
	};

	led@1 {
		reg = <1>;
		active-low;
		function = "ext";
		color = <LED_COLOR_ID_AMBER>;
	};

	led@3 {
		reg = <3>;
		active-low;
		function = LED_FUNCTION_WAN;
		color = <LED_COLOR_ID_AMBER>;
	};

	led@4 {
		reg = <4>;
		active-low;
		function = LED_FUNCTION_WAN;
		color = <LED_COLOR_ID_GREEN>;
	};

	led@5 {
		reg = <5>;
		active-low;
		function = LED_FUNCTION_POWER;
		color = <LED_COLOR_ID_GREEN>;
	};

	led@6 {
		reg = <6>;
		active-low;
		function = LED_FUNCTION_POWER;
		color = <LED_COLOR_ID_RED>;
	};

	led@15 {
		reg = <15>;
		active-low;
		function = LED_FUNCTION_USB;
		color = <LED_COLOR_ID_GREEN>;
	};

	led@7 {
		/* Activity 03 */
		reg = <7>;
		active-low;
		function = "lan1";
		color = <LED_COLOR_ID_AMBER>;
	};

	led@8 {
		/* Activity 04 */
		reg = <8>;
		active-low;
		function = "lan1";
		color = <LED_COLOR_ID_GREEN>;
	};

	led@9 {
		/* Activity 03 */
		reg = <9>;
		active-low;
		function = "lan2";
		color = <LED_COLOR_ID_AMBER>;
	};

	led@10 {
		/* Activity 04 */
		reg = <10>;
		active-low;
		function = "lan2";
		color = <LED_COLOR_ID_GREEN>;
	};

	led@11 {
		/* Activity 03 */
		reg = <11>;
		active-low;
		function = "lan3";
		color = <LED_COLOR_ID_AMBER>;
	};

	led@12 {
		/* Activity 04 */
		reg = <12>;
		active-low;
		function = "lan3";
		color = <LED_COLOR_ID_GREEN>;
	};

	led@13 {
		/* Activity 03 */
		reg = <13>;
		active-low;
		function = "lan4";
		color = <LED_COLOR_ID_AMBER>;
	};

	led@14 {
		/* Activity 04 */
		reg = <14>;
		active-low;
		function = "lan4";
		color = <LED_COLOR_ID_GREEN>;
	};
};

&hsspi {
	status = "okay";
};

&nand_controller {
	brcm,wp-not-connected;
	status = "okay";
};

&nandcs {
	nand-on-flash-bbt;
	brcm,nand-ecc-use-strap;

	/* Winbond W29N02GV, 256MB with 128KB erase blocks */
	partitions {
		compatible = "fixed-partitions";
		#address-cells = <1>;
		#size-cells = <1>;

		loader@0 {
			label = "loader";
			reg = <0x00000000 0x00400000>;
		};
		image@400000 {
			label = "image";
			reg = <0x00400000 0x0fb00000>;
		};
		/* 0x00ff0000-0x00ffffff: bad block list */
	};
};

&mdio {
	status = "okay";

	phy1: ethernet-phy@1 {
		reg = <1>;
	};
	phy2: ethernet-phy@2 {
		reg = <2>;
	};
	phy3: ethernet-phy@3 {
		reg = <3>;
	};
	phy4: ethernet-phy@4 {
		reg = <4>;
	};
	phy21: ethernet-phy@21 {
		reg = <21>;
	};
};