openwrt/target/linux/ramips/dts/RBM33G.dts

/dts-v1/;

#include "mt7621.dtsi"

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

/ {
	compatible = "mikrotik,rbm33g", "mediatek,mt7621-soc";
	model = "MikroTik RouterBOARD M33G";

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

	memory@0 {
		device_type = "memory";
		reg = <0x0 0x10000000>;
	};

	chosen {
		bootargs = "console=ttyS0,115200";
	};

	gpio-leds {
		compatible = "gpio-leds";

		led_usr: usr {
			label = "rbm33g:green:usr";
			gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;
		};
	};

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

		res {
			label = "res";
			gpios = <&gpio0 18 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_RESTART>;
		};
	};

	pcie0_vcc_reg {
		compatible = "regulator-fixed";
		regulator-name = "pcie0_vcc";

		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpio0 9 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		regulator-boot-on;
		regulator-always-on;
	};

	pcie1_vcc_reg {
		compatible = "regulator-fixed";
		regulator-name = "pcie1_vcc";

		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpio0 10 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		regulator-boot-on;
		regulator-always-on;
	};

	pcie2_vcc_reg {
		compatible = "regulator-fixed";
		regulator-name = "pcie2_vcc";

		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpio0 11 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		regulator-boot-on;
		regulator-always-on;
	};

	usb_vcc_reg {
		compatible = "regulator-fixed";
		regulator-name = "usb_vcc";

		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		gpio = <&gpio0 12 GPIO_ACTIVE_HIGH>;
		enable-active-high;
		regulator-always-on;
	};
};


&spi0 {
	status = "okay";

	w25q40@0 {
		compatible = "jedec,spi-nor";
		reg = <0>;
		spi-max-frequency = <3125000>;

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

			partition@0 {
				label = "RouterBoot";
				reg = <0x0 0x40000>;
				read-only;
				compatible = "fixed-partitions";
				#address-cells = <1>;
				#size-cells = <1>;

				partition@0 {
					label = "bootloader1";
					reg = <0x0 0xf000>;
					read-only;
				};

				hard_config: partition@f000 {
					label = "hard_config";
					reg = <0xf000 0x1000>;
					read-only;
				};

				partition@10000 {
					label = "bootloader2";
					reg = <0x10000 0xf000>;
					read-only;
				};

				partition@20000 {
					label = "soft_config";
					reg = <0x20000 0x1000>;
				};

				partition@30000 {
					label = "bios";
					reg = <0x30000 0x1000>;
					read-only;
				};
			};
		};
	};

	w25q128@1 {
		compatible = "jedec,spi-nor";
		reg = <1>;
		// XXX empiric value to obtain actual 10MHz SCK at the chip
		spi-max-frequency = <3125000>;

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

			// Region <0x0 0x40000> seems reserved by OEM

			partition@40000 {
				compatible = "mikrotik,minor";
				label = "firmware";
				reg = <0x040000 0xFC0000>;
			};
		};
	};
};

&ethernet {
	mtd-mac-address = <&hard_config 0x0010>;
	mtd-mac-address-increment = <1>;
};


&pinctrl {
	state_default: pinctrl0 {
		gpio {
			ralink,group = "uart2", "wdt";
			ralink,function = "gpio";
		};
	};
};

&sdhci {
	status = "okay";
};

&i2c {
	status = "okay";
};

&pcie {
	status = "okay";
};