1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * Copyright (C) Jisheng Zhang <jszhang@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 = <®_vcc5v>;
61 };
62 };
63
64 &axp313 {
65 vin1-supply = <®_vcc5v>;
66 vin2-supply = <®_vcc5v>;
67 vin3-supply = <®_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 = <®_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 = <®_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 = <®_vcc5v>;
142 usb2_vbus-supply = <®_vcc5v>;
143 status = "okay";
144 };
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