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 = <&reg_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 = <&reg_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 = <&reg_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 = <&reg_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 = <&reg_vcc5v0>;
 97		gpio = <&r_pio 0 8 GPIO_ACTIVE_HIGH>; /* PL8 */
 98		enable-active-high;
 99	};
100};
101
102&cpu0 {
103	cpu-supply = <&reg_vdd_cpux>;
104};
105
106&cpu1 {
107	cpu-supply = <&reg_vdd_cpux>;
108};
109
110&cpu2 {
111	cpu-supply = <&reg_vdd_cpux>;
112};
113
114&cpu3 {
115	cpu-supply = <&reg_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 = <&reg_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 = <&reg_vcc_io>;
145	vcc-pc-supply = <&reg_vcc_io>;
146	vcc-pd-supply = <&reg_vcc_io>;
147	vcc-pe-supply = <&reg_vcc_io>;
148	vcc-pf-supply = <&reg_vcc_io>;
149	vcc-pg-supply = <&reg_vcc_io>;
150};
151
152&r_pio {
153	vcc-pl-supply = <&reg_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 = <&reg_vcc_usbwifi>;
179	status = "okay";
180};