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- // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
- /*
- * FriendlyElec NanoPC-T4 board device tree source
- *
- * Copyright (c) 2018 FriendlyElec Computer Tech. Co., Ltd.
- * (http://www.friendlyarm.com)
- *
- * Copyright (c) 2018 Collabora Ltd.
- */
- /dts-v1/;
- #include "rk3399-nanopi4.dtsi"
- / {
- model = "FriendlyElec NanoPC-T4";
- compatible = "friendlyarm,nanopc-t4", "rockchip,rk3399";
- vcc12v0_sys: vcc12v0-sys {
- compatible = "regulator-fixed";
- regulator-always-on;
- regulator-boot-on;
- regulator-max-microvolt = <12000000>;
- regulator-min-microvolt = <12000000>;
- regulator-name = "vcc12v0_sys";
- };
- vcc5v0_host0: vcc5v0-host0 {
- compatible = "regulator-fixed";
- regulator-always-on;
- regulator-boot-on;
- regulator-name = "vcc5v0_host0";
- vin-supply = <&vcc5v0_sys>;
- };
- adc-keys {
- compatible = "adc-keys";
- io-channels = <&saradc 1>;
- io-channel-names = "buttons";
- keyup-threshold-microvolt = <1800000>;
- poll-interval = <100>;
- button-recovery {
- label = "Recovery";
- linux,code = <KEY_VENDOR>;
- press-threshold-microvolt = <18000>;
- };
- };
- ir-receiver {
- compatible = "gpio-ir-receiver";
- gpios = <&gpio0 RK_PA6 GPIO_ACTIVE_LOW>;
- pinctrl-names = "default";
- pinctrl-0 = <&ir_rx>;
- };
- fan: pwm-fan {
- compatible = "pwm-fan";
- /*
- * With 20KHz PWM and an EVERCOOL EC4007H12SA fan, these levels
- * work out to 0, ~1200, ~3000, and 5000RPM respectively.
- */
- cooling-levels = <0 12 18 255>;
- #cooling-cells = <2>;
- fan-supply = <&vcc12v0_sys>;
- pwms = <&pwm1 0 50000 0>;
- };
- };
- &cpu_thermal {
- trips {
- cpu_warm: cpu_warm {
- temperature = <55000>;
- hysteresis = <2000>;
- type = "active";
- };
- cpu_hot: cpu_hot {
- temperature = <65000>;
- hysteresis = <2000>;
- type = "active";
- };
- };
- cooling-maps {
- map2 {
- trip = <&cpu_warm>;
- cooling-device = <&fan THERMAL_NO_LIMIT 1>;
- };
- map3 {
- trip = <&cpu_hot>;
- cooling-device = <&fan 2 THERMAL_NO_LIMIT>;
- };
- };
- };
- &pcie0 {
- ep-gpios = <&gpio2 RK_PA4 GPIO_ACTIVE_HIGH>;
- num-lanes = <4>;
- vpcie3v3-supply = <&vcc3v3_sys>;
- };
- &pinctrl {
- ir {
- ir_rx: ir-rx {
- /* external pullup to VCC3V3_SYS, despite being 1.8V :/ */
- rockchip,pins = <0 RK_PA6 1 &pcfg_pull_none>;
- };
- };
- };
- &sdhci {
- mmc-hs400-1_8v;
- mmc-hs400-enhanced-strobe;
- };
- &u2phy0_host {
- phy-supply = <&vcc5v0_host0>;
- };
- &u2phy1_host {
- phy-supply = <&vcc5v0_host0>;
- };
- &vcc5v0_sys {
- vin-supply = <&vcc12v0_sys>;
- };
- &vcc3v3_sys {
- vin-supply = <&vcc12v0_sys>;
- };
- &vbus_typec {
- enable-active-high;
- gpios = <&gpio4 RK_PD2 GPIO_ACTIVE_HIGH>;
- vin-supply = <&vcc5v0_sys>;
- };
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