1// SPDX-License-Identifier: (GPL-2.0+ OR MIT) 2// Copyright (C) 2019 Chen-Yu Tsai <wens@csie.org> 3 4#include <dt-bindings/gpio/gpio.h> 5#include <dt-bindings/input/input.h> 6 7/ { 8 aliases { 9 serial0 = &uart0; 10 spi0 = &spi0; 11 }; 12 13 chosen { 14 stdout-path = "serial0:115200n8"; 15 }; 16 17 connector { 18 compatible = "hdmi-connector"; 19 type = "d"; 20 21 port { 22 hdmi_con_in: endpoint { 23 remote-endpoint = <&hdmi_out_con>; 24 }; 25 }; 26 }; 27 28 leds { 29 compatible = "gpio-leds"; 30 31 status_led { 32 label = "librecomputer:blue:status"; 33 gpios = <&pio 0 7 GPIO_ACTIVE_HIGH>; /* PA7 */ 34 }; 35 }; 36 37 reg_vcc3v3: vcc3v3 { 38 compatible = "regulator-fixed"; 39 regulator-name = "vcc3v3"; 40 regulator-min-microvolt = <3300000>; 41 regulator-max-microvolt = <3300000>; 42 regulator-always-on; 43 regulator-boot-on; 44 vin-supply = <®_vcc5v0>; 45 }; 46 47 /* This represents the board's 5V input */ 48 reg_vcc5v0: vcc5v0 { 49 compatible = "regulator-fixed"; 50 regulator-name = "vcc5v0"; 51 regulator-min-microvolt = <5000000>; 52 regulator-max-microvolt = <5000000>; 53 regulator-always-on; 54 regulator-boot-on; 55 }; 56 57 reg_vcc_dram: vcc-dram { 58 compatible = "regulator-fixed"; 59 regulator-name = "vcc-dram"; 60 regulator-min-microvolt = <1500000>; 61 regulator-max-microvolt = <1500000>; 62 regulator-always-on; 63 regulator-boot-on; 64 vin-supply = <®_vcc5v0>; 65 gpio = <&r_pio 0 9 GPIO_ACTIVE_HIGH>; /* PL9 */ 66 enable-active-high; 67 }; 68 69 reg_vcc_io: vcc-io { 70 compatible = "regulator-fixed"; 71 regulator-name = "vcc-io"; 72 /* This is simply a MOSFET switch */ 73 regulator-always-on; 74 regulator-boot-on; 75 vin-supply = <®_vcc3v3>; 76 gpio = <&r_pio 0 5 GPIO_ACTIVE_LOW>; /* PL5 */ 77 }; 78 79 reg_vcc_usbwifi: vcc-usbwifi { 80 compatible = "regulator-fixed"; 81 regulator-name = "vcc-usbwifi"; 82 regulator-min-microvolt = <3300000>; 83 regulator-max-microvolt = <3300000>; 84 vin-supply = <®_vcc5v0>; 85 gpio = <&pio 6 4 GPIO_ACTIVE_HIGH>; /* PG4 */ 86 enable-active-high; 87 }; 88 89 reg_vdd_cpux: vdd-cpux { 90 compatible = "regulator-fixed"; 91 regulator-name = "vdd-cpux"; 92 regulator-min-microvolt = <1100000>; 93 regulator-max-microvolt = <1100000>; 94 regulator-always-on; 95 regulator-boot-on; 96 vin-supply = <®_vcc5v0>; 97 gpio = <&r_pio 0 8 GPIO_ACTIVE_HIGH>; /* PL8 */ 98 enable-active-high; 99 }; 100}; 101 102&cpu0 { 103 cpu-supply = <®_vdd_cpux>; 104}; 105 106&cpu1 { 107 cpu-supply = <®_vdd_cpux>; 108}; 109 110&cpu2 { 111 cpu-supply = <®_vdd_cpux>; 112}; 113 114&cpu3 { 115 cpu-supply = <®_vdd_cpux>; 116}; 117 118&de { 119 status = "okay"; 120}; 121 122&ehci1 { 123 status = "okay"; 124}; 125 126&hdmi { 127 status = "okay"; 128}; 129 130&hdmi_out { 131 hdmi_out_con: endpoint { 132 remote-endpoint = <&hdmi_con_in>; 133 }; 134}; 135 136&mmc0 { 137 vmmc-supply = <®_vcc_io>; 138 bus-width = <4>; 139 cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */ 140 status = "okay"; 141}; 142 143&pio { 144 vcc-pa-supply = <®_vcc_io>; 145 vcc-pc-supply = <®_vcc_io>; 146 vcc-pd-supply = <®_vcc_io>; 147 vcc-pe-supply = <®_vcc_io>; 148 vcc-pf-supply = <®_vcc_io>; 149 vcc-pg-supply = <®_vcc_io>; 150}; 151 152&r_pio { 153 vcc-pl-supply = <®_vcc3v3>; 154}; 155 156&spi0 { 157 status = "okay"; 158 159 flash@0 { 160 compatible = "jedec,spi-nor"; 161 reg = <0>; 162 spi-max-frequency = <50000000>; 163 }; 164}; 165 166&uart0 { 167 pinctrl-names = "default"; 168 pinctrl-0 = <&uart0_pa_pins>; 169 status = "okay"; 170}; 171 172&usb_otg { 173 dr_mode = "peripheral"; 174 status = "okay"; 175}; 176 177&usbphy { 178 usb1_vbus-supply = <®_vcc_usbwifi>; 179 status = "okay"; 180}; 181