1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT) 2 /* 3 * Copyright (C) 2017 Chen-Yu Tsai <wens (a] csie.org> 4 */ 5 6 #include <dt-bindings/gpio/gpio.h> 7 #include <dt-bindings/input/input.h> 8 9 / { 10 aliases { 11 ethernet0 = &emac; 12 serial0 = &uart0; 13 }; 14 15 chosen { 16 stdout-path = "serial0:115200n8"; 17 }; 18 19 leds { 20 compatible = "gpio-leds"; 21 22 pwr_led { 23 label = "librecomputer:green:pwr"; 24 gpios = <&r_pio 0 10 GPIO_ACTIVE_HIGH>; /* PL10 */ 25 default-state = "on"; 26 }; 27 28 status_led { 29 label = "librecomputer:blue:status"; 30 gpios = <&pio 0 7 GPIO_ACTIVE_HIGH>; /* PA7 */ 31 }; 32 }; 33 34 gpio_keys { 35 compatible = "gpio-keys"; 36 37 power { 38 label = "power"; 39 linux,code = <KEY_POWER>; 40 gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 */ 41 }; 42 }; 43 44 reg_vcc1v2: vcc1v2 { 45 compatible = "regulator-fixed"; 46 regulator-name = "vcc1v2"; 47 regulator-min-microvolt = <3300000>; 48 regulator-max-microvolt = <3300000>; 49 regulator-always-on; 50 regulator-boot-on; 51 vin-supply = <®_vcc5v0>; 52 gpio = <&r_pio 0 8 GPIO_ACTIVE_HIGH>; /* PL8 */ 53 enable-active-high; 54 }; 55 56 reg_vcc3v3: vcc3v3 { 57 compatible = "regulator-fixed"; 58 regulator-name = "vcc3v3"; 59 regulator-min-microvolt = <3300000>; 60 regulator-max-microvolt = <3300000>; 61 vin-supply = <®_vcc5v0>; 62 }; 63 64 /* This represents the board's 5V input */ 65 reg_vcc5v0: vcc5v0 { 66 compatible = "regulator-fixed"; 67 regulator-name = "vcc5v0"; 68 regulator-min-microvolt = <5000000>; 69 regulator-max-microvolt = <5000000>; 70 }; 71 72 reg_vcc_dram: vcc-dram { 73 compatible = "regulator-fixed"; 74 regulator-name = "vcc-dram"; 75 regulator-min-microvolt = <1500000>; 76 regulator-max-microvolt = <1500000>; 77 regulator-always-on; 78 regulator-boot-on; 79 vin-supply = <®_vcc5v0>; 80 gpio = <&r_pio 0 9 GPIO_ACTIVE_HIGH>; /* PL9 */ 81 enable-active-high; 82 }; 83 84 reg_vcc_io: vcc-io { 85 compatible = "regulator-fixed"; 86 regulator-name = "vcc-io"; 87 regulator-min-microvolt = <3300000>; 88 regulator-max-microvolt = <3300000>; 89 regulator-always-on; 90 regulator-boot-on; 91 vin-supply = <®_vcc3v3>; 92 gpio = <&r_pio 0 5 GPIO_ACTIVE_LOW>; /* PL5 */ 93 }; 94 95 reg_vdd_cpux: vdd-cpux { 96 compatible = "regulator-fixed"; 97 regulator-name = "vdd-cpux"; 98 regulator-min-microvolt = <3300000>; 99 regulator-max-microvolt = <3300000>; 100 regulator-always-on; 101 regulator-boot-on; 102 vin-supply = <®_vcc5v0>; 103 gpio = <&r_pio 0 8 GPIO_ACTIVE_HIGH>; /* PL8 */ 104 enable-active-high; 105 }; 106 }; 107 108 &ehci1 { 109 status = "okay"; 110 }; 111 112 &ehci2 { 113 status = "okay"; 114 }; 115 116 &ehci3 { 117 status = "okay"; 118 }; 119 120 &emac { 121 phy-handle = <&int_mii_phy>; 122 phy-mode = "mii"; 123 allwinner,leds-active-low; 124 status = "okay"; 125 }; 126 127 &ir { 128 pinctrl-names = "default"; 129 pinctrl-0 = <&ir_pins_a>; 130 status = "okay"; 131 }; 132 133 &mmc0 { 134 pinctrl-names = "default"; 135 pinctrl-0 = <&mmc0_pins_a>; 136 vmmc-supply = <®_vcc_io>; 137 bus-width = <4>; 138 cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>; /* PF6 */ 139 cd-inverted; 140 status = "okay"; 141 }; 142 143 &ohci1 { 144 status = "okay"; 145 }; 146 147 &ohci2 { 148 status = "okay"; 149 }; 150 151 &ohci3 { 152 status = "okay"; 153 }; 154 155 &uart0 { 156 pinctrl-names = "default"; 157 pinctrl-0 = <&uart0_pins_a>; 158 status = "okay"; 159 }; 160 161 &usbphy { 162 /* VBUS on USB ports are always on */ 163 usb0_vbus-supply = <®_vcc5v0>; 164 usb1_vbus-supply = <®_vcc5v0>; 165 usb2_vbus-supply = <®_vcc5v0>; 166 usb3_vbus-supply = <®_vcc5v0>; 167 status = "okay"; 168 }; 169
