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 = <&reg_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 = <&reg_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 = <&reg_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 = <&reg_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 = <&reg_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 = <&reg_3v3>;
105	vcc-pd-supply = <&reg_3v3>;
106	vcc-pe-supply = <&reg_avdd2v8>;
107	vcc-pf-supply = <&reg_3v3>;
108	vcc-pg-supply = <&reg_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 = <&reg_vcc5v>;
125	status = "okay";
126};