Chen-Yu Tsai | 8d7da69 | 2020-01-12 23:36:13 +0800 | [diff] [blame^] | 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 | spiflash@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 | }; |