openwrt/target/linux/realtek/dts-5.15/rtl8393_panasonic_m48eg-pn28480k.dts

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

#include "rtl839x.dtsi"
#include "rtl83xx_panasonic_mxxeg-pn28xx0k.dtsi"

#include <dt-bindings/interrupt-controller/irq.h>

/ {
	compatible = "panasonic,m48eg-pn28480k", "realtek,rtl8393-soc";
	model = "Panasonic Switch-M48eG PN28480K";

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

	fan: gpio-fan {
		compatible = "gpio-fan";
		gpios = <&gpio0 19 GPIO_ACTIVE_HIGH>;
		/* the actual speeds (rpm) are unknown, just use dummy values */
		gpio-fan,speed-map = <1 0>, <2 1>;
		#cooling-cells = <2>;
	};

	/*
	 * sfp0/1/2/3 are "combo" port with each TP port (45/46/47/48),
	 * and they are connected to the RTL8218FB. Currently, there is
	 * no support for the chip and only TP ports work by the RTL8218B
	 * support.
	 */
	sfp0: sfp-p45 {
		compatible = "sff,sfp";
		i2c-bus = <&i2c0>;
		tx-fault-gpio = <&gpio1 0 GPIO_ACTIVE_HIGH>;
		tx-disable-gpio = <&gpio1 1 GPIO_ACTIVE_HIGH>;
		mod-def0-gpio = <&gpio1 2 GPIO_ACTIVE_LOW>;
		los-gpio = <&gpio1 3 GPIO_ACTIVE_HIGH>;
	};

	sfp1: sfp-p46 {
		compatible = "sff,sfp";
		i2c-bus = <&i2c1>;
		tx-fault-gpio = <&gpio1 4 GPIO_ACTIVE_HIGH>;
		tx-disable-gpio = <&gpio1 5 GPIO_ACTIVE_HIGH>;
		mod-def0-gpio = <&gpio1 6 GPIO_ACTIVE_LOW>;
		los-gpio = <&gpio1 7 GPIO_ACTIVE_HIGH>;
	};

	sfp2: sfp-p47 {
		compatible = "sff,sfp";
		i2c-bus = <&i2c2>;
		tx-fault-gpio = <&gpio1 8 GPIO_ACTIVE_HIGH>;
		tx-disable-gpio = <&gpio1 9 GPIO_ACTIVE_HIGH>;
		mod-def0-gpio = <&gpio1 10 GPIO_ACTIVE_LOW>;
		los-gpio = <&gpio1 11 GPIO_ACTIVE_HIGH>;
	};

	sfp3: sfp-p48 {
		compatible = "sff,sfp";
		i2c-bus = <&i2c3>;
		tx-fault-gpio = <&gpio1 12 GPIO_ACTIVE_HIGH>;
		tx-disable-gpio = <&gpio1 13 GPIO_ACTIVE_HIGH>;
		mod-def0-gpio = <&gpio1 14 GPIO_ACTIVE_LOW>;
		los-gpio = <&gpio1 15 GPIO_ACTIVE_HIGH>;
	};

	thermal-zones {
		/*
		 * Zone for SoC temperature
		 *
		 * Fan speed:
		 *
		 * -  0-44 celsius: Low
		 * - 45-54 celsius: High
		 */
		cpu-thermal {
			polling-delay-passive = <1000>;
			polling-delay = <2000>;

			thermal-sensors = <&tsens_soc>;

			trips {
				cpu_alert: trip-point {
					temperature = <45000>;
					hysteresis = <4000>;
					type = "active";
				};

				cpu_crit {
					temperature = <55000>;
					hysteresis = <1000>;
					type = "critical";
				};
			};

			cooling-maps {
				map {
					trip = <&cpu_alert>;
					cooling-device = <&fan 0 1>;
				};
			};
		};

		 /*
		 * Zone for system temperature
		 *
		 * Fan speed:
		 *
		 * -  0-39 celsius: Low
		 * - 40-49 celsius: High
		 *
		 * Note: official recommended ranges of temperature on each
		 *       fan speed setting:
		 *
		 *       - Low speed : 0-40 celsius
		 *       - High speed: 0-50 celsius
		 *
		 *       (stock firmware doesn't support auto-selection of
		 *        speed and need to be selected manually by user)
		 */
		sys-thermal {
			polling-delay-passive = <1000>;
			polling-delay = <2000>;

			thermal-sensors = <&tsens_sys>;

			trips {
				sys_alert: trip-point {
					temperature = <40000>;
					hysteresis = <4000>;
					type = "active";
				};

				sys_crit {
					temperature = <50000>;
					hysteresis = <2000>;
					type = "critical";
				};
			};

			cooling-maps {
				map {
					trip = <&sys_alert>;
					cooling-device = <&fan 0 1>;
				};
			};
		};
	};
};

&leds {
	led_status_eco_amber: led-5 {
		label = "amber:status_eco";
		gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>;
		color = <LED_COLOR_ID_AMBER>;
		function = LED_FUNCTION_STATUS;
		function-enumerator = <1>;
	};

	led_status_eco_green: led-6 {
		label = "green:status_eco";
		gpios = <&gpio2 2 GPIO_ACTIVE_HIGH>;
		color = <LED_COLOR_ID_GREEN>;
		function = LED_FUNCTION_STATUS;
		function-enumerator = <2>;
	};
};

&i2c_gpio_0 {
	scl-gpios = <&gpio0 16 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
	sda-gpios = <&gpio0 17 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;

	/* Microchip TCN75A (for SoC) */
	tsens_soc: sensor@48 {
		compatible = "microchip,tcn75";
		reg = <0x48>;
		#thermal-sensor-cells = <0>;
	};

	/* Microchip TCN75A (for System) */
	tsens_sys: sensor@49 {
		compatible = "microchip,tcn75";
		reg = <0x49>;
		#thermal-sensor-cells = <0>;
	};
};

&i2c_gpio_1 {
	scl-gpios = <&gpio0 14 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
	sda-gpios = <&gpio0 15 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
};

&gpio2 {
	interrupt-controller;
	#interrupt-cells = <2>;
	interrupt-parent = <&gpio0>;
	interrupts = <18 IRQ_TYPE_EDGE_FALLING>;

	/*
	 * GPIO12 (IO1_4): 5x RTL8218B + RTL8218FB
	 *
	 * This GPIO pin should be specified as "reset-gpio" in mdio node,
	 * but the current configuration of RTL8218B phy in the phy driver
	 * seems to be incomplete and RTL8218FB phy won't be configured on
	 * RTL8218D support. So, ethernet ports on these phys will be broken
	 * after hard-resetting.
	 * (RTL8218FB phy will be detected as RTL8218D by the phy driver)
	 * At the moment, configure this GPIO pin as gpio-hog to avoid breaking
	 * by resetting.
	 */
	ext_switch_reset {
		gpio-hog;
		gpios = <12 GPIO_ACTIVE_HIGH>;
		output-high;
		line-name = "ext-switch-reset";
	};
};

&i2c_switch {
	i2c0: i2c@0 {
		#address-cells = <1>;
		#size-cells = <0>;
		reg = <0>;
	};

	i2c1: i2c@1 {
		#address-cells = <1>;
		#size-cells = <0>;
		reg = <1>;
	};

	i2c2: i2c@2 {
		#address-cells = <1>;
		#size-cells = <0>;
		reg = <2>;
	};

	i2c3: i2c@3 {
		#address-cells = <1>;
		#size-cells = <0>;
		reg = <3>;
	};
};

&ethernet0 {
	mdio-bus {
		compatible = "realtek,rtl838x-mdio";
		#address-cells = <1>;
		#size-cells = <0>;

		EXTERNAL_PHY(0)
		EXTERNAL_PHY(1)
		EXTERNAL_PHY(2)
		EXTERNAL_PHY(3)
		EXTERNAL_PHY(4)
		EXTERNAL_PHY(5)
		EXTERNAL_PHY(6)
		EXTERNAL_PHY(7)

		EXTERNAL_PHY(8)
		EXTERNAL_PHY(9)
		EXTERNAL_PHY(10)
		EXTERNAL_PHY(11)
		EXTERNAL_PHY(12)
		EXTERNAL_PHY(13)
		EXTERNAL_PHY(14)
		EXTERNAL_PHY(15)

		EXTERNAL_PHY(16)
		EXTERNAL_PHY(17)
		EXTERNAL_PHY(18)
		EXTERNAL_PHY(19)
		EXTERNAL_PHY(20)
		EXTERNAL_PHY(21)
		EXTERNAL_PHY(22)
		EXTERNAL_PHY(23)

		EXTERNAL_PHY(24)
		EXTERNAL_PHY(25)
		EXTERNAL_PHY(26)
		EXTERNAL_PHY(27)
		EXTERNAL_PHY(28)
		EXTERNAL_PHY(29)
		EXTERNAL_PHY(30)
		EXTERNAL_PHY(31)

		EXTERNAL_PHY(32)
		EXTERNAL_PHY(33)
		EXTERNAL_PHY(34)
		EXTERNAL_PHY(35)
		EXTERNAL_PHY(36)
		EXTERNAL_PHY(37)
		EXTERNAL_PHY(38)
		EXTERNAL_PHY(39)

		/* RTL8218FB */
		EXTERNAL_PHY(40)
		EXTERNAL_PHY(41)
		EXTERNAL_PHY(42)
		EXTERNAL_PHY(43)
		EXTERNAL_PHY(44)
		EXTERNAL_PHY(45)
		EXTERNAL_PHY(46)
		EXTERNAL_PHY(47)
	};
};

&switch0 {
	ports {
		#address-cells = <1>;
		#size-cells = <0>;

		SWITCH_PORT(0, 1, qsgmii)
		SWITCH_PORT(1, 2, qsgmii)
		SWITCH_PORT(2, 3, qsgmii)
		SWITCH_PORT(3, 4, qsgmii)
		SWITCH_PORT(4, 5, qsgmii)
		SWITCH_PORT(5, 6, qsgmii)
		SWITCH_PORT(6, 7, qsgmii)
		SWITCH_PORT(7, 8, qsgmii)

		SWITCH_PORT(8, 9, qsgmii)
		SWITCH_PORT(9, 10, qsgmii)
		SWITCH_PORT(10, 11, qsgmii)
		SWITCH_PORT(11, 12, qsgmii)
		SWITCH_PORT(12, 13, qsgmii)
		SWITCH_PORT(13, 14, qsgmii)
		SWITCH_PORT(14, 15, qsgmii)
		SWITCH_PORT(15, 16, qsgmii)

		SWITCH_PORT(16, 17, qsgmii)
		SWITCH_PORT(17, 18, qsgmii)
		SWITCH_PORT(18, 19, qsgmii)
		SWITCH_PORT(19, 20, qsgmii)
		SWITCH_PORT(20, 21, qsgmii)
		SWITCH_PORT(21, 22, qsgmii)
		SWITCH_PORT(22, 23, qsgmii)
		SWITCH_PORT(23, 24, qsgmii)

		SWITCH_PORT(24, 25, qsgmii)
		SWITCH_PORT(25, 26, qsgmii)
		SWITCH_PORT(26, 27, qsgmii)
		SWITCH_PORT(27, 28, qsgmii)
		SWITCH_PORT(28, 29, qsgmii)
		SWITCH_PORT(29, 30, qsgmii)
		SWITCH_PORT(30, 31, qsgmii)
		SWITCH_PORT(31, 32, qsgmii)

		SWITCH_PORT(32, 33, qsgmii)
		SWITCH_PORT(33, 34, qsgmii)
		SWITCH_PORT(34, 35, qsgmii)
		SWITCH_PORT(35, 36, qsgmii)
		SWITCH_PORT(36, 37, qsgmii)
		SWITCH_PORT(37, 38, qsgmii)
		SWITCH_PORT(38, 39, qsgmii)
		SWITCH_PORT(39, 40, qsgmii)

		SWITCH_PORT(40, 41, qsgmii)
		SWITCH_PORT(41, 42, qsgmii)
		SWITCH_PORT(42, 43, qsgmii)
		SWITCH_PORT(43, 44, qsgmii)
		SWITCH_PORT(44, 45, qsgmii)
		SWITCH_PORT(45, 46, qsgmii)
		SWITCH_PORT(46, 47, qsgmii)
		SWITCH_PORT(47, 48, qsgmii)

		port@52 {
			ethernet = <&ethernet0>;
			reg = <52>;
			phy-mode = "internal";

			fixed-link {
				speed = <1000>;
				full-duplex;
			};
		};
	};
};