1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
  2// Copyright (C) 2022 Samuel Holland <samuel@sholland.org>
  3
  4#include <dt-bindings/gpio/gpio.h>
  5#include <dt-bindings/leds/common.h>
  6
  7/dts-v1/;
  8
  9#include "sun20i-d1.dtsi"
 10#include "sun20i-common-regulators.dtsi"
 11
 12/ {
 13	model = "Dongshan Nezha STU";
 14	compatible = "100ask,dongshan-nezha-stu", "allwinner,sun20i-d1";
 15
 16	aliases {
 17		ethernet0 = &emac;
 18		serial0 = &uart0;
 19	};
 20
 21	chosen {
 22		stdout-path = "serial0:115200n8";
 23	};
 24
 25	leds {
 26		compatible = "gpio-leds";
 27
 28		led-0 {
 29			color = <LED_COLOR_ID_GREEN>;
 30			function = LED_FUNCTION_STATUS;
 31			gpios = <&pio 2 1 GPIO_ACTIVE_HIGH>; /* PC1 */
 32		};
 33	};
 34
 35	reg_usbvbus: usbvbus {
 36		compatible = "regulator-fixed";
 37		regulator-name = "usbvbus";
 38		regulator-min-microvolt = <5000000>;
 39		regulator-max-microvolt = <5000000>;
 40		gpio = <&pio 3 19 GPIO_ACTIVE_HIGH>; /* PD19 */
 41		enable-active-high;
 42		vin-supply = <&reg_vcc>;
 43	};
 44
 45	/*
 46	 * This regulator is PWM-controlled, but the PWM controller is not
 47	 * yet supported, so fix the regulator to its default voltage.
 48	 */
 49	reg_vdd_cpu: vdd-cpu {
 50		compatible = "regulator-fixed";
 51		regulator-name = "vdd-cpu";
 52		regulator-min-microvolt = <1100000>;
 53		regulator-max-microvolt = <1100000>;
 54		vin-supply = <&reg_vcc>;
 55	};
 56};
 57
 58&cpu0 {
 59	cpu-supply = <&reg_vdd_cpu>;
 60};
 61
 62&dcxo {
 63	clock-frequency = <24000000>;
 64};
 65
 66&ehci0 {
 67	status = "okay";
 68};
 69
 70&emac {
 71	pinctrl-0 = <&rgmii_pe_pins>;
 72	pinctrl-names = "default";
 73	phy-handle = <&ext_rgmii_phy>;
 74	phy-mode = "rgmii-id";
 75	phy-supply = <&reg_vcc_3v3>;
 76	status = "okay";
 77};
 78
 79&mdio {
 80	ext_rgmii_phy: ethernet-phy@1 {
 81		compatible = "ethernet-phy-ieee802.3-c22";
 82		reg = <1>;
 83	};
 84};
 85
 86&mmc0 {
 87	broken-cd;
 88	bus-width = <4>;
 89	disable-wp;
 90	vmmc-supply = <&reg_vcc_3v3>;
 91	vqmmc-supply = <&reg_vcc_3v3>;
 92	pinctrl-0 = <&mmc0_pins>;
 93	pinctrl-names = "default";
 94	status = "okay";
 95};
 96
 97&ohci0 {
 98	status = "okay";
 99};
100
101&uart0 {
102	pinctrl-0 = <&uart0_pb8_pins>;
103	pinctrl-names = "default";
104	status = "okay";
105};
106
107&usb_otg {
108	dr_mode = "otg";
109	status = "okay";
110};
111
112&usbphy {
113	usb0_id_det-gpios = <&pio 3 21 GPIO_ACTIVE_HIGH>; /* PD21 */
114	usb0_vbus_det-gpios = <&pio 3 20 GPIO_ACTIVE_HIGH>; /* PD20 */
115	usb0_vbus-supply = <&reg_usbvbus>;
116	status = "okay";
117};