xref: /linux/arch/arm/boot/dts/intel/ixp/intel-ixp42x-actiontec-mi424wr.dtsi (revision ec2e0fb07d789976c601bec19ecced7a501c3705)

// SPDX-License-Identifier: ISC
/*
 * Device Tree file for the IXP425-based Actiontec MI424WR
 * Based on a board file from OpenWrt by Jose Vasconcellos.
 */

#include "intel-ixp42x.dtsi"
#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>

/ {
	#address-cells = <1>;
	#size-cells = <1>;

	memory@0 {
		device_type = "memory";
		reg = <0x00000000 0x02000000>;
	};

	chosen {
		bootargs = "console=ttyS0,115200n8";
		stdout-path = "uart1:115200n8";
	};

	leds {
		compatible = "gpio-leds";

		led-wan-coax {
			color = <LED_COLOR_ID_GREEN>;
			function = "wan-coax";
			gpios = <&gpio0 11 GPIO_ACTIVE_HIGH>;
			default-state = "off";
		};
		led-power-alarm {
			color = <LED_COLOR_ID_RED>;
			function = LED_FUNCTION_ALARM;
			gpios = <&gpio1 0 GPIO_ACTIVE_HIGH>;
			default-state = "off";
		};
		led-power {
			color = <LED_COLOR_ID_GREEN>;
			function = LED_FUNCTION_POWER;
			gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
			default-state = "on";
			linux,default-trigger = "heartbeat";
		};
		led-wireless {
			color = <LED_COLOR_ID_GREEN>;
			function = LED_FUNCTION_WLAN;
			gpios = <&gpio1 2 GPIO_ACTIVE_LOW>;
			default-state = "off";
		};
		led-internet-down {
			color = <LED_COLOR_ID_RED>;
			function = "internet-down";
			gpios = <&gpio1 3 GPIO_ACTIVE_HIGH>;
			default-state = "off";
		};
		led-internet-up {
			color = <LED_COLOR_ID_GREEN>;
			function = "internet-up";
			gpios = <&gpio1 4 GPIO_ACTIVE_HIGH>;
			default-state = "off";
		};
		led-lan-coax {
			color = <LED_COLOR_ID_GREEN>;
			function = "lan-coax";
			gpios = <&gpio1 5 GPIO_ACTIVE_HIGH>;
			default-state = "off";
		};
		led-wan-ethernet-alarm {
			color = <LED_COLOR_ID_RED>;
			function = "wan-ethernet-alarm";
			gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>;
			default-state = "off";
		};
		/* The last three LEDs are not mounted but traces exist on the PCB */
		led-phone-1 {
			color = <LED_COLOR_ID_GREEN>;
			function = "phone-1";
			gpios = <&gpio1 8 GPIO_ACTIVE_LOW>;
			default-state = "off";
		};
		led-phone-2 {
			color = <LED_COLOR_ID_GREEN>;
			function = "phone-2";
			gpios = <&gpio1 9 GPIO_ACTIVE_LOW>;
			default-state = "off";
		};
		led-voip {
			color = <LED_COLOR_ID_GREEN>;
			function = "voip";
			gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;
			default-state = "off";
		};
	};

	gpio_keys {
		compatible = "gpio-keys";

		button-reset {
			wakeup-source;
			linux,code = <KEY_RESTART>;
			label = "reset";
			gpios = <&gpio0 10 GPIO_ACTIVE_LOW>;
		};
	};

	spi {
		compatible = "spi-gpio";
		#address-cells = <1>;
		#size-cells = <0>;

		sck-gpios = <&gpio0 2 GPIO_ACTIVE_HIGH>;
		mosi-gpios = <&gpio0 4 GPIO_ACTIVE_HIGH>;
		miso-gpios = <&gpio0 3 GPIO_ACTIVE_HIGH>;
		cs-gpios = <&gpio0 9 GPIO_ACTIVE_LOW>;
		num-chipselects = <1>;

		ethernet-switch@0 {
			compatible = "micrel,ks8995";
			reg = <0>;
			spi-max-frequency = <50000000>;

			ethernet-ports {
				#address-cells = <1>;
				#size-cells = <0>;

				ethernet-port@0 {
					reg = <0>;
					label = "lan1";
					phy-mode = "mii";
					phy-handle = <&phy1>;
				};
				ethernet-port@1 {
					reg = <1>;
					label = "lan2";
					phy-mode = "mii";
					phy-handle = <&phy2>;
				};
				ethernet-port@2 {
					reg = <2>;
					label = "lan3";
					phy-mode = "mii";
					phy-handle = <&phy3>;
				};
				ethernet-port@3 {
					reg = <3>;
					label = "lan4";
					phy-mode = "mii";
					phy-handle = <&phy4>;
				};
				ethernet-port@4 {
					reg = <4>;
					ethernet = <&ethc>;
					phy-mode = "mii";
					fixed-link {
						speed = <100>;
						full-duplex;
					};
				};

			};
		};
	};

	soc {
		bus@c4000000 {
			flash@0,0 {
				compatible = "intel,ixp4xx-flash", "cfi-flash";
				bank-width = <2>;
				/*
				 * 8 MB of Flash in 64 0x20000 sized blocks
				 * mapped in at CS0.
				 */
				reg = <0 0x00000000 0x0800000>;

				/* Configure expansion bus to allow writes */
				intel,ixp4xx-eb-write-enable = <1>;

				partitions {
					compatible = "redboot-fis";
					fis-index-block = <0x3f>;
				};
			};
			gpio1: gpio@1,0 {
				/* MMIO GPIO at CS1 */
				compatible = "intel,ixp4xx-expansion-bus-mmio-gpio";
				gpio-controller;
				#gpio-cells = <2>;
				big-endian;
				reg = <1 0x00000000 0x2>;
				reg-names = "dat";
				/* Expansion bus settings */
				intel,ixp4xx-eb-write-enable = <1>;

				pci-reset-hog {
					gpio-hog;
					gpios = <7 GPIO_ACTIVE_HIGH>;
					output-high;
					line-name = "PCI reset";
				};
				pstn-relay-hog-1 {
					gpio-hog;
					gpios = <11 GPIO_ACTIVE_HIGH>;
					output-low;
					line-name = "PSTN relay control 1";
				};
				pstn-relay-hog-2 {
					gpio-hog;
					gpios = <12 GPIO_ACTIVE_HIGH>;
					output-low;
					line-name = "PSTN relay control 2";
				};
			};
		};

		pci@c0000000 {
			status = "okay";

			#interrupt-cells = <1>;
			interrupt-map-mask = <0xf800 0 0 7>;
			interrupt-map =
			/* IDSEL 13 */
			<0x6800 0 0 1 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 13 is irq 8 */
			<0x6800 0 0 2 &gpio0 6 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 13 is irq 6 */
			/* IDSEL 14 */
			<0x7000 0 0 1 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 14 is irq 7 */
			<0x7000 0 0 2 &gpio0 6 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 14 is irq 8 */
			/* IDSEL 15 */
			<0x7800 0 0 1 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 15 is irq 6 */
			<0x7800 0 0 2 &gpio0 6 IRQ_TYPE_LEVEL_LOW>; /* INT B on slot 15 is irq 7 */
		};

		ethb: ethernet@c8009000 {
			status = "okay";
			queue-rx = <&qmgr 3>;
			queue-txready = <&qmgr 20>;
			phy-mode = "mii";

			mdio {
				#address-cells = <1>;
				#size-cells = <0>;

				/* 1, 2, 3 and 4 are ports on the KS8995 switch */
				phy1: ethernet-phy@1 {
					/* LAN1 */
					reg = <1>;
				};
				phy2: ethernet-phy@2 {
					/* LAN2 */
					reg = <2>;
				};
				phy3: ethernet-phy@3 {
					/* LAN3 */
					reg = <3>;
				};
				phy4: ethernet-phy@4 {
					/* LAN4 */
					reg = <4>;
				};
			};
		};

		ethc: ethernet@c800a000 {
			status = "okay";
			queue-rx = <&qmgr 4>;
			queue-txready = <&qmgr 21>;
			phy-mode = "mii";
		};
	};
};