| // 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>; |
| |
| 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 { |
| 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>; |
| }; |