openwrt-6.x/target/linux/mediatek/dts/mt7987a-bananapi-bpi-r4-lite.dts

// SPDX-License-Identifier: (GPL-2.0 OR MIT)
/*
 * Copyright (C) 2025 MediaTek Inc.
 * Author: Sam.Shih <sam.shih@mediatek.com>
 */

/dts-v1/;
#include "mt7987a.dtsi"
#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>
#include "mt7987a-bananapi-bpi-r4-lite-mikrobus.dtsi"

/ {
	model = "Bananapi BPI-R4-LITE";
	compatible = "bananapi,bpi-r4-lite",
		     "mediatek,mt7987a", "mediatek,mt7987";

	aliases {
		/* mt7987 I2C0 */
		i2c0 = &i2c0;
		/* PCA9548 (0-0070) provides 4 i2c channels */
		i2c1 = &imux0_rtc;
		i2c2 = &imux1_sfp;
		i2c3 = &imux2_MikroBus;
		i2c4 = &imux3;
		led-boot = &sys_led_blue;
		led-failsafe = &sys_led_blue;
		led-running = &sys_led_blue;
		led-upgrade = &sys_led_blue;
		serial0 = &uart0;
	};

	chosen {
		bootargs = "console=ttyS0,115200n1 earlycon=uart8250,mmio32,0x11000000 \
			    ubi.block=0,firmware root=/dev/fit0 rootwait";
		stdout-path = "serial0:115200n8";
	};

	gpio-keys {
		compatible = "gpio-keys";

		reset {
			label = "reset";
			linux,code = <KEY_RESTART>;
			gpios = <&pio 1 GPIO_ACTIVE_LOW>;
			debounce-interval = <10>;
		};

		wps {
			label = "wps";
			linux,code = <KEY_WPS_BUTTON>;
			gpios = <&pio 0 GPIO_ACTIVE_LOW>;
			debounce-interval = <10>;
		};
	};

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

		sfp-led {
			gpios = <&pca9555 11 GPIO_ACTIVE_LOW>;
			function = "sfp";
			color = <LED_COLOR_ID_GREEN>;
		};
	};

	pwm-leds {
		compatible = "pwm-leds";
		status = "okay";

		/* ACT LED on bpi-r4-lite */
		sys_led_blue: sys-led {
			color = <LED_COLOR_ID_BLUE>;
			function = LED_FUNCTION_STATUS;
			pwms = <&pwm 0 50000>;
			max-brightness = <255>;
			active-high;
			linux,default-trigger = "default-on";
		};
	};

	sfp: sfp@0 {
		compatible = "sff,sfp";
		i2c-bus = <&imux1_sfp>;
		los-gpios = <&pio 10 GPIO_ACTIVE_HIGH>;
		mod-def0-gpios = <&pio 9 GPIO_ACTIVE_LOW>;
		tx-disable-gpios = <&pio 8 GPIO_ACTIVE_HIGH>;
		tx-fault-gpios = <&pca9555 12 GPIO_ACTIVE_HIGH>;
		rate-select0-gpios = <&pca9555 13 GPIO_ACTIVE_HIGH>;
		rate-select1-gpios = <&pca9555 14 GPIO_ACTIVE_HIGH>;
		maximum-power-milliwatt = <3000>;
	};

	reg_3p3v: regulator-3p3v {
		compatible = "regulator-fixed";
		regulator-name = "fixed-3.3V";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-boot-on;
		regulator-always-on;
	};

	reg_usb_5v: regulator-usb-5v {
		compatible = "regulator-fixed";
		regulator-name = "usb-5v";
		regulator-min-microvolt = <5000000>;
		regulator-max-microvolt = <5000000>;
		gpio = <&pca9555 9 GPIO_ACTIVE_HIGH>;
	};

	usb-vbus-regulator {
		compatible = "regulator-output";
		vout-supply = <&reg_usb_5v>;
	};
};

&fan {
	pwms = <&pwm 2 50000>;
	status = "okay";
};

&gmac0 {
	phy-mode = "2500base-x";
	status = "okay";
	fixed-link {
		speed = <2500>;
		full-duplex;
		pause;
	};
};

&gmac1 {
	phy-mode = "internal";
	phy-handle = <&phy15>;
	status = "okay";
};

&pwm {
	pinctrl-names = "default";
	pinctrl-0 = <&pwm_pins>;
	status = "okay";
};

&pwm_pins {
	mux {
		/*
		 * - pwm0   : PWM0@PIN13
		 * - pwm1_0 : PWM@PIN7  (share with JTAG)
		 * - pwm2_0 : PWM2@PIN12 (share with PCM)
		 */
		function = "pwm";
		groups = "pwm0", "pwm1_0", "pwm2_0";
	};
};

&i2c0 {
	pinctrl-names = "default";
	pinctrl-0 = <&i2c0_pins>;
	status = "okay";

	pca9545@70 {
		compatible = "nxp,pca9545";
		reg = <0x70>;
		#address-cells = <1>;
		#size-cells = <0>;

		imux0_rtc: i2c@0 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <0x0>;

			rtc@51 {
				compatible = "nxp,pcf8563";
				reg = <0x51>;
			};

			eeprom@57 {
				compatible = "atmel,24c02";
				reg = <0x57>;
				address-bits = <8>;
				page-size = <8>;
				size = <256>;
			};
		};

		imux1_sfp: i2c@1 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <0x1>;
		};

		imux2_MikroBus: i2c@2 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <0x2>;
		};

		imux3: i2c@3 {
			#address-cells = <1>;
			#size-cells = <0>;
			reg = <0x3>;

			pca9555: i2c-gpio-expander@20 {
				compatible = "nxp,pca9555";
				interrupt-controller;
				interrupt-parent = <&pio>;
				interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
				gpio-controller;
				#gpio-cells = <2>;
				reg = <0x20>;
			};

			wifi_eeprom@50 {
				compatible = "atmel,24c02";
				reg = <0x50>;
				wp-gpios = <&pca9555 10 GPIO_ACTIVE_LOW>;
				address-bits = <8>;
				page-size = <8>;
				size = <256>;
			};
		};
	};
};

&mdio {
	/* built-in 2.5G Ethernet PHY */
	phy15: phy@15 {
		pinctrl-names = "i2p5gbe-led";
		pinctrl-0 = <&i2p5gbe_led0_pins>;
		compatible = "ethernet-phy-ieee802.3-c45";
		reg = <15>;
		phy-mode = "internal";
	};

	switch31: switch@31 {
		compatible = "mediatek,mt7531";
		reg = <31>;
		reset-gpios = <&pio 42 GPIO_ACTIVE_HIGH>;
		interrupt-controller;
		#interrupt-cells = <1>;
		interrupt-parent = <&pio>;
		interrupts = <41 IRQ_TYPE_LEVEL_HIGH>;
		status = "okay";
	};
};

&pcie0 {
	pinctrl-names = "default";
	pinctrl-0 = <&pcie0_pins>;
	status = "okay";
};

&pcie1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pcie1_pins>;
	status = "disabled";
};

&ssusb {
	status = "okay";

	/*
	 * VIA VL817 USB3.1/USB2.0 hub
	 * ports:
	 * 1 - mPCIe B (SIM3)
	 * 2 - NGFF-KEYB (SIM1)
	 * 3 - USB-A connector
	 * 4 - mPCIe A (SIM4)
	 */

	// reset-gpios = <&pca9555 8 GPIO_ACTIVE_HIGH>;
};

&switch31 {
	ports {
		#address-cells = <1>;
		#size-cells = <0>;

		port@0 {
			reg = <0>;
			label = "lan0";
		};

		port@1 {
			reg = <1>;
			label = "lan1";
		};

		port@2 {
			reg = <2>;
			label = "lan2";
		};

		port@3 {
			reg = <3>;
			label = "lan3";
		};

		port@5 {
			reg = <5>;
			label = "sfp0";
			phy-mode = "2500base-x";
			sfp = <&sfp>;
			managed = "in-band-status";
		};

		port@6 {
			reg = <6>;
			label = "cpu";
			ethernet = <&gmac0>;
			phy-mode = "2500base-x";

			fixed-link {
				speed = <2500>;
				full-duplex;
				pause;
			};
		};
	};
};

&tphyu3port0 {
	status = "okay";
};

&uart0 {
	pinctrl-names = "default";
	pinctrl-0 = <&uart0_pins>;
	status = "okay";
};

&spi2 {
	pinctrl-names = "default";
	pinctrl-0 = <&spi2_flash_pins>;

	status = "okay";
};