1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 // Copyright (C) 2022 Arm Ltd.
3 /*
4 * Common peripherals and configurations for MangoPi MQ-R boards.
5 */
6
7 #include <dt-bindings/gpio/gpio.h>
8 #include <dt-bindings/leds/common.h>
9
10 / {
11 aliases {
12 serial3 = &uart3;
13 };
14
15 chosen {
16 stdout-path = "serial3:115200n8";
17 };
18
19 leds {
20 compatible = "gpio-leds";
21
22 led-0 {
23 color = <LED_COLOR_ID_BLUE>;
24 function = LED_FUNCTION_STATUS;
25 gpios = <&pio 3 22 GPIO_ACTIVE_LOW>; /* PD22 */
26 };
27 };
28
29 /* board wide 5V supply directly from the USB-C socket */
30 reg_vcc5v: regulator-5v {
31 compatible = "regulator-fixed";
32 regulator-name = "vcc-5v";
33 regulator-min-microvolt = <5000000>;
34 regulator-max-microvolt = <5000000>;
35 regulator-always-on;
36 };
37
38 /* SY8008 DC/DC regulator on the board */
39 reg_3v3: regulator-3v3 {
40 compatible = "regulator-fixed";
41 regulator-name = "vcc-3v3";
42 regulator-min-microvolt = <3300000>;
43 regulator-max-microvolt = <3300000>;
44 vin-supply = <®_vcc5v>;
45 };
46
47 /* SY8008 DC/DC regulator on the board, also supplying VDD-SYS */
48 reg_vcc_core: regulator-core {
49 compatible = "regulator-fixed";
50 regulator-name = "vcc-core";
51 regulator-min-microvolt = <880000>;
52 regulator-max-microvolt = <880000>;
53 vin-supply = <®_vcc5v>;
54 };
55
56 /* XC6206 LDO on the board */
57 reg_avdd2v8: regulator-avdd {
58 compatible = "regulator-fixed";
59 regulator-name = "avdd2v8";
60 regulator-min-microvolt = <2800000>;
61 regulator-max-microvolt = <2800000>;
62 vin-supply = <®_3v3>;
63 };
64
65 wifi_pwrseq: wifi-pwrseq {
66 compatible = "mmc-pwrseq-simple";
67 reset-gpios = <&pio 6 12 GPIO_ACTIVE_LOW>; /* PG12 */
68 };
69 };
70
71 &dcxo {
72 clock-frequency = <24000000>;
73 };
74
75 &ehci1 {
76 status = "okay";
77 };
78
79 &mmc0 {
80 pinctrl-0 = <&mmc0_pins>;
81 pinctrl-names = "default";
82 vmmc-supply = <®_3v3>;
83 cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>;
84 disable-wp;
85 bus-width = <4>;
86 status = "okay";
87 };
88
89 &mmc1 {
90 pinctrl-0 = <&mmc1_pins>;
91 pinctrl-names = "default";
92 vmmc-supply = <®_3v3>;
93 non-removable;
94 bus-width = <4>;
95 mmc-pwrseq = <&wifi_pwrseq>;
96 status = "okay";
97 };
98
99 &ohci1 {
100 status = "okay";
101 };
102
103 &pio {
104 vcc-pb-supply = <®_3v3>;
105 vcc-pd-supply = <®_3v3>;
106 vcc-pe-supply = <®_avdd2v8>;
107 vcc-pf-supply = <®_3v3>;
108 vcc-pg-supply = <®_3v3>;
109 };
110
111 &uart3 {
112 pinctrl-names = "default";
113 pinctrl-0 = <&uart3_pb_pins>;
114 status = "okay";
115 };
116
117 /* The USB-C socket has its CC pins pulled to GND, so is hardwired as a UFP. */
118 &usb_otg {
119 dr_mode = "peripheral";
120 status = "okay";
121 };
122
123 &usbphy {
124 usb1_vbus-supply = <®_vcc5v>;
125 status = "okay";
126 };
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