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      1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
      2 /*
      3  * Copyright (C) Jisheng Zhang <jszhang (a] kernel.org>
      4  */
      5 
      6 /dts-v1/;
      7 
      8 #include "sun50i-h618-longan-module-3h.dtsi"
      9 
     10 #include <dt-bindings/gpio/gpio.h>
     11 #include <dt-bindings/interrupt-controller/arm-gic.h>
     12 #include <dt-bindings/leds/common.h>
     13 
     14 / {
     15 	model = "Sipeed Longan Pi 3H";
     16 	compatible = "sipeed,longan-pi-3h", "sipeed,longan-module-3h", "allwinner,sun50i-h618";
     17 
     18 	aliases {
     19 		ethernet0 = &emac0;
     20 		serial0 = &uart0;
     21 	};
     22 
     23 	chosen {
     24 		stdout-path = "serial0:115200n8";
     25 	};
     26 
     27 	leds {
     28 		compatible = "gpio-leds";
     29 
     30 		led-0 {
     31 			color = <LED_COLOR_ID_ORANGE>;
     32 			function = LED_FUNCTION_INDICATOR;
     33 			function-enumerator = <0>;
     34 			gpios = <&pio 6 2 GPIO_ACTIVE_LOW>; /* PG2 */
     35 		};
     36 
     37 		led-1 {
     38 			color = <LED_COLOR_ID_ORANGE>;
     39 			function = LED_FUNCTION_INDICATOR;
     40 			function-enumerator = <1>;
     41 			gpios = <&pio 6 4 GPIO_ACTIVE_LOW>; /* PG4 */
     42 		};
     43 	};
     44 
     45 	reg_vcc5v: regulator-vcc5v {
     46 		/* board wide 5V supply directly from the USB-C socket */
     47 		compatible = "regulator-fixed";
     48 		regulator-name = "vcc-5v";
     49 		regulator-min-microvolt = <5000000>;
     50 		regulator-max-microvolt = <5000000>;
     51 		regulator-always-on;
     52 	};
     53 
     54 	reg_vcc3v3: regulator-vcc3v3 {
     55 		compatible = "regulator-fixed";
     56 		regulator-name = "vcc-3v3";
     57 		regulator-min-microvolt = <3300000>;
     58 		regulator-max-microvolt = <3300000>;
     59 		regulator-always-on;
     60 		vin-supply = <&reg_vcc5v>;
     61 	};
     62 };
     63 
     64 &axp313 {
     65 	vin1-supply = <&reg_vcc5v>;
     66 	vin2-supply = <&reg_vcc5v>;
     67 	vin3-supply = <&reg_vcc5v>;
     68 };
     69 
     70 &ehci1 {
     71 	status = "okay";
     72 };
     73 
     74 &ohci1 {
     75 	status = "okay";
     76 };
     77 
     78 &ehci2 {
     79 	status = "okay";
     80 };
     81 
     82 &ohci2 {
     83 	status = "okay";
     84 };
     85 
     86 /* WiFi & BT combo module is connected to this Host */
     87 &ehci3 {
     88 	status = "okay";
     89 };
     90 
     91 &ohci3 {
     92 	status = "okay";
     93 };
     94 
     95 &emac0 {
     96 	pinctrl-names = "default";
     97 	pinctrl-0 = <&ext_rgmii_pins>;
     98 	phy-mode = "rgmii";
     99 	phy-handle = <&ext_rgmii_phy>;
    100 	allwinner,rx-delay-ps = <3100>;
    101 	allwinner,tx-delay-ps = <700>;
    102 	phy-supply = <&reg_vcc3v3>;
    103 	status = "okay";
    104 };
    105 
    106 &mdio0 {
    107 	ext_rgmii_phy: ethernet-phy@1 {
    108 		compatible = "ethernet-phy-ieee802.3-c22";
    109 		reg = <1>;
    110 	};
    111 };
    112 
    113 &mmc0 {
    114 	bus-width = <4>;
    115 	cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>;	/* PF6 */
    116 	vmmc-supply = <&reg_vcc3v3>;
    117 	status = "okay";
    118 };
    119 
    120 &uart0 {
    121 	status = "okay";
    122 };
    123 
    124 &usbotg {
    125 	/*
    126 	 * PHY0 pins are connected to a USB-C socket, but a role switch
    127 	 * is not implemented: both CC pins are pulled to GND.
    128 	 * The VBUS pins power the device, so a fixed peripheral mode
    129 	 * is the best choice.
    130 	 * The board can be powered via GPIOs, in this case port0 *can*
    131 	 * act as a host (with a cable/adapter ignoring CC), as VBUS is
    132 	 * then provided by the GPIOs. Any user of this setup would
    133 	 * need to adjust the DT accordingly: dr_mode set to "host",
    134 	 * enabling OHCI0 and EHCI0.
    135 	 */
    136 	dr_mode = "peripheral";
    137 	status = "okay";
    138 };
    139 
    140 &usbphy {
    141 	usb1_vbus-supply = <&reg_vcc5v>;
    142 	usb2_vbus-supply = <&reg_vcc5v>;
    143 	status = "okay";
    144 };
    145