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- // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
- // Copyright (C) 2019 Chen-Yu Tsai <[email protected]>
- #include <dt-bindings/gpio/gpio.h>
- #include <dt-bindings/input/input.h>
- / {
- aliases {
- serial0 = &uart0;
- spi0 = &spi0;
- };
- chosen {
- stdout-path = "serial0:115200n8";
- };
- connector {
- compatible = "hdmi-connector";
- type = "d";
- port {
- hdmi_con_in: endpoint {
- remote-endpoint = <&hdmi_out_con>;
- };
- };
- };
- leds {
- compatible = "gpio-leds";
- status_led {
- label = "librecomputer:blue:status";
- gpios = <&pio 0 7 GPIO_ACTIVE_HIGH>; /* PA7 */
- };
- };
- reg_vcc3v3: vcc3v3 {
- compatible = "regulator-fixed";
- regulator-name = "vcc3v3";
- regulator-min-microvolt = <3300000>;
- regulator-max-microvolt = <3300000>;
- regulator-always-on;
- regulator-boot-on;
- vin-supply = <®_vcc5v0>;
- };
- /* This represents the board's 5V input */
- reg_vcc5v0: vcc5v0 {
- compatible = "regulator-fixed";
- regulator-name = "vcc5v0";
- regulator-min-microvolt = <5000000>;
- regulator-max-microvolt = <5000000>;
- regulator-always-on;
- regulator-boot-on;
- };
- reg_vcc_dram: vcc-dram {
- compatible = "regulator-fixed";
- regulator-name = "vcc-dram";
- regulator-min-microvolt = <1500000>;
- regulator-max-microvolt = <1500000>;
- regulator-always-on;
- regulator-boot-on;
- vin-supply = <®_vcc5v0>;
- gpio = <&r_pio 0 9 GPIO_ACTIVE_HIGH>; /* PL9 */
- enable-active-high;
- };
- reg_vcc_io: vcc-io {
- compatible = "regulator-fixed";
- regulator-name = "vcc-io";
- /* This is simply a MOSFET switch */
- regulator-always-on;
- regulator-boot-on;
- vin-supply = <®_vcc3v3>;
- gpio = <&r_pio 0 5 GPIO_ACTIVE_LOW>; /* PL5 */
- };
- reg_vcc_usbwifi: vcc-usbwifi {
- compatible = "regulator-fixed";
- regulator-name = "vcc-usbwifi";
- regulator-min-microvolt = <3300000>;
- regulator-max-microvolt = <3300000>;
- vin-supply = <®_vcc5v0>;
- gpio = <&pio 6 4 GPIO_ACTIVE_HIGH>; /* PG4 */
- enable-active-high;
- };
- reg_vdd_cpux: vdd-cpux {
- compatible = "regulator-fixed";
- regulator-name = "vdd-cpux";
- regulator-min-microvolt = <1100000>;
- regulator-max-microvolt = <1100000>;
- regulator-always-on;
- regulator-boot-on;
- vin-supply = <®_vcc5v0>;
- gpio = <&r_pio 0 8 GPIO_ACTIVE_HIGH>; /* PL8 */
- enable-active-high;
- };
- };
- &cpu0 {
- cpu-supply = <®_vdd_cpux>;
- };
- &cpu1 {
- cpu-supply = <®_vdd_cpux>;
- };
- &cpu2 {
- cpu-supply = <®_vdd_cpux>;
- };
- &cpu3 {
- cpu-supply = <®_vdd_cpux>;
- };
- &de {
- status = "okay";
- };
- &ehci1 {
- status = "okay";
- };
- &hdmi {
- status = "okay";
- };
- &hdmi_out {
- hdmi_out_con: endpoint {
- remote-endpoint = <&hdmi_con_in>;
- };
- };
- &mmc0 {
- vmmc-supply = <®_vcc_io>;
- bus-width = <4>;
- cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>; /* PF6 */
- status = "okay";
- };
- &pio {
- vcc-pa-supply = <®_vcc_io>;
- vcc-pc-supply = <®_vcc_io>;
- vcc-pd-supply = <®_vcc_io>;
- vcc-pe-supply = <®_vcc_io>;
- vcc-pf-supply = <®_vcc_io>;
- vcc-pg-supply = <®_vcc_io>;
- };
- &r_pio {
- vcc-pl-supply = <®_vcc3v3>;
- };
- &spi0 {
- status = "okay";
- flash@0 {
- compatible = "jedec,spi-nor";
- reg = <0>;
- spi-max-frequency = <50000000>;
- };
- };
- &uart0 {
- pinctrl-names = "default";
- pinctrl-0 = <&uart0_pa_pins>;
- status = "okay";
- };
- &usb_otg {
- dr_mode = "peripheral";
- status = "okay";
- };
- &usbphy {
- usb1_vbus-supply = <®_vcc_usbwifi>;
- status = "okay";
- };
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