openwrt/target/linux/ath79/dts/ar9342_mikrotik_routerboard-912uag-2hpnd.dts

// SPDX-License-Identifier: GPL-2.0-or-later

#include "ar9344.dtsi"

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>

/ {
	compatible = "mikrotik,routerboard-912uag-2hpnd", "qca,ar9342";
	model = "MikroTik RouterBOARD 912UAG-2HPnD";

	aliases {
		led-boot = &led_power;
		led-failsafe = &led_power;
		led-running = &led_power;
		led-upgrade = &led_power;
	};

	gpio_key: gpio_key {
		compatible = "mikrotik,gpio-rb91x-key";
		gpio-controller;
		#gpio-cells = <2>;
		gpio = <&gpio 15 GPIO_ACTIVE_HIGH>;
	};

	gpio_latch: gpio_latch {
		compatible = "gpio-latch";
		gpio-controller;
		#gpio-cells = <2>;
		gpios = <&gpio 0 GPIO_ACTIVE_HIGH>,
			<&gpio 1 GPIO_ACTIVE_HIGH>,
			<&gpio 2 GPIO_ACTIVE_HIGH>,
			<&gpio 3 GPIO_ACTIVE_HIGH>,
			<0>, /* Not connected */
			<&gpio 13 GPIO_ACTIVE_HIGH>,
			<&gpio 14 GPIO_ACTIVE_HIGH>,
			<&gpio_key 0 GPIO_ACTIVE_HIGH>,
			<&gpio 11 GPIO_ACTIVE_LOW>; /* Latch Enable */
	};

	nand_gpio {
		compatible = "mikrotik,rb91x-nand";

		gpios = <&gpio_latch 3 GPIO_ACTIVE_HIGH>, /* Read */
			<&gpio 4 GPIO_ACTIVE_HIGH>,       /* Ready (RDY) */
			<&gpio_latch 5 GPIO_ACTIVE_LOW>,  /* Chip Enable (nCE) */
			<&gpio_latch 6 GPIO_ACTIVE_HIGH>, /* Command Latch Enable (CLE) */
			<&gpio_latch 7 GPIO_ACTIVE_HIGH>, /* Address Latch Enable (ALE) */
			<&gpio 12 GPIO_ACTIVE_LOW>,       /* Read/Write Enable (nRW) */
			<&gpio_latch 8 GPIO_ACTIVE_LOW>,  /* Latch Enable (nLE) */
			<&gpio_key 2 GPIO_ACTIVE_HIGH>;   /* Key poll disable */

		partitions {
			compatible = "fixed-partitions";
			#size-cells = <1>;

			partition@0 {
				label = "booter";
				reg = <0x0 0x0040000>;
				read-only;
			};

			partition@40000 {
				label = "kernel";
				reg = <0x0040000 0x03c0000>;
			};

			partition@400000 {
				label = "ubi";
				reg = <0x0400000 0x7c00000>;
			};
		};
	};

	keys {
		compatible = "gpio-keys-polled";
		poll-interval = <20>;

		button@0 {
			label = "reset";
			linux,code = <KEY_RESTART>;
			gpios = <&gpio_key 1 GPIO_ACTIVE_LOW>;
		};
	};

	leds {
		compatible = "gpio-leds";

		led_power: power {
			label = "green:power";
			gpios = <&gpio_latch 1 GPIO_ACTIVE_HIGH>;
			default-state = "on";
		};

		user {
			label = "green:user";
			gpios = <&gpio_latch 2 GPIO_ACTIVE_HIGH>;
		};

		led1 {
			label = "green:led1";
			gpios = <&ssr 0 GPIO_ACTIVE_HIGH>;
		};

		led2 {
			label = "green:led2";
			gpios = <&ssr 1 GPIO_ACTIVE_HIGH>;
		};

		led3 {
			label = "green:led3";
			gpios = <&ssr 2 GPIO_ACTIVE_HIGH>;
		};

		led4 {
			label = "green:led4";
			gpios = <&ssr 3 GPIO_ACTIVE_HIGH>;
		};

		led5 {
			label = "green:led5";
			gpios = <&ssr 4 GPIO_ACTIVE_HIGH>;
		};
	};

	gpio-export {
		compatible = "gpio-export";

		beeper {
			gpio-export,name = "beeper";
			gpio-export,output = <1>;	/* Must be 1 to avoid EMI induced clicking noise */
			gpios = <&ssr 5 GPIO_ACTIVE_HIGH>;
		};

		usb_power {
			gpio-export,name = "power-usb";
			gpio-export,output = <1>;
			gpios = <&ssr 6 GPIO_ACTIVE_HIGH>;
		};

		pcie_power {
			gpio-export,name = "power-pcie";
			gpio-export,output = <0>;
			gpios = <&ssr 7 GPIO_ACTIVE_HIGH>;
		};
	};
};

&ref {
	clock-frequency = <40000000>;
};

&spi {
	status = "okay";

	compatible = "qca,ar7100-spi";

	cs-gpios = <0>, <&gpio_latch 0 GPIO_ACTIVE_LOW>;

	flash@0 {
		compatible = "jedec,spi-nor";
		reg = <0>;
		spi-max-frequency = <50000000>;

		partitions {
			compatible = "mikrotik,routerboot-partitions";
			#address-cells = <1>;
			#size-cells = <1>;

			partition@0 {
				label = "routerboot";
				reg = <0x0 0x0>;
				read-only;
			};

			hard_config {
				read-only;
			};

			bios {
				size = <0x1000>;
				read-only;
			};

			soft_config {
			};
		};
	};

	ssr: ssr@1 {
		compatible = "fairchild,74hc595";
		gpio-controller;
		#gpio-cells = <2>;
		registers-number = <1>;
		reg = <1>;
		spi-max-frequency = <50000000>;
	};
};

&mdio0 {
	status = "okay";

	phy0: ethernet-phy@0 {
		reg = <0>;
	};
};

&eth0 {
	status = "okay";

	phy-mode = "rgmii-id";
	phy-handle = <&phy0>;
	pll-data = <0x02000000 0x00000101 0x00001313>;

	gmac-config {
		device = <&gmac>;
		rgmii-gmac0 = <1>;
		rxd-delay = <1>;
		txd-delay = <1>;
	};
};

&wmac {
	status = "okay";
	qca,no-eeprom;
};

&pcie {
	status = "okay";
};

&usb {
	status = "okay";
};

&usb_phy {
	status = "okay";
};