1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2/*
3 * Copyright (C) 2020 Arm Ltd.
4 *
5 * DT nodes common between Orange Pi Zero 2 and Orange Pi Zero 3.
6 * Excludes PMIC nodes and properties, since they are different between the two.
7 */
8
9#include "sun50i-h616.dtsi"
10
11#include <dt-bindings/gpio/gpio.h>
12#include <dt-bindings/interrupt-controller/arm-gic.h>
13#include <dt-bindings/leds/common.h>
14
15/ {
16	aliases {
17		ethernet0 = &emac0;
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			function = LED_FUNCTION_POWER;
30			color = <LED_COLOR_ID_RED>;
31			gpios = <&pio 2 12 GPIO_ACTIVE_HIGH>; /* PC12 */
32			default-state = "on";
33		};
34
35		led-1 {
36			function = LED_FUNCTION_STATUS;
37			color = <LED_COLOR_ID_GREEN>;
38			gpios = <&pio 2 13 GPIO_ACTIVE_HIGH>; /* PC13 */
39		};
40	};
41
42	reg_vcc5v: vcc5v {
43		/* board wide 5V supply directly from the USB-C socket */
44		compatible = "regulator-fixed";
45		regulator-name = "vcc-5v";
46		regulator-min-microvolt = <5000000>;
47		regulator-max-microvolt = <5000000>;
48		regulator-always-on;
49	};
50
51	reg_usb1_vbus: regulator-usb1-vbus {
52		compatible = "regulator-fixed";
53		regulator-name = "usb1-vbus";
54		regulator-min-microvolt = <5000000>;
55		regulator-max-microvolt = <5000000>;
56		vin-supply = <&reg_vcc5v>;
57		enable-active-high;
58		gpio = <&pio 2 16 GPIO_ACTIVE_HIGH>; /* PC16 */
59	};
60};
61
62&ehci1 {
63	status = "okay";
64};
65
66/* USB 2 & 3 are on headers only. */
67
68&emac0 {
69	pinctrl-names = "default";
70	pinctrl-0 = <&ext_rgmii_pins>;
71	phy-handle = <&ext_rgmii_phy>;
72	status = "okay";
73};
74
75&mdio0 {
76	ext_rgmii_phy: ethernet-phy@1 {
77		compatible = "ethernet-phy-ieee802.3-c22";
78		reg = <1>;
79	};
80};
81
82&mmc0 {
83	cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>;	/* PF6 */
84	bus-width = <4>;
85	status = "okay";
86};
87
88&ohci1 {
89	status = "okay";
90};
91
92&spi0  {
93	status = "okay";
94	pinctrl-names = "default";
95	pinctrl-0 = <&spi0_pins>, <&spi0_cs0_pin>;
96
97	flash@0 {
98		#address-cells = <1>;
99		#size-cells = <1>;
100		compatible = "jedec,spi-nor";
101		reg = <0>;
102		spi-max-frequency = <40000000>;
103	};
104};
105
106&uart0 {
107	pinctrl-names = "default";
108	pinctrl-0 = <&uart0_ph_pins>;
109	status = "okay";
110};
111
112&usbotg {
113	/*
114	 * PHY0 pins are connected to a USB-C socket, but a role switch
115	 * is not implemented: both CC pins are pulled to GND.
116	 * The VBUS pins power the device, so a fixed peripheral mode
117	 * is the best choice.
118	 * The board can be powered via GPIOs, in this case port0 *can*
119	 * act as a host (with a cable/adapter ignoring CC), as VBUS is
120	 * then provided by the GPIOs. Any user of this setup would
121	 * need to adjust the DT accordingly: dr_mode set to "host",
122	 * enabling OHCI0 and EHCI0.
123	 */
124	dr_mode = "peripheral";
125	status = "okay";
126};
127
128&usbphy {
129	usb1_vbus-supply = <&reg_usb1_vbus>;
130	status = "okay";
131};
132