// 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>; };