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}; 127