arch/arm/dts/rk3399-nanopc-t4.dts

   1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
   2 /*
   3  * FriendlyElec NanoPC-T4 board device tree source
   4  *
   5  * Copyright (c) 2018 FriendlyElec Computer Tech. Co., Ltd.
   6  * (http://www.friendlyarm.com)
   7  *
   8  * Copyright (c) 2018 Collabora Ltd.
   9  */
  10
  11 /dts-v1/;
  12 #include "rk3399-nanopi4.dtsi"
  13
  14 / {
  15         model = "FriendlyElec NanoPC-T4";
  16         compatible = "friendlyarm,nanopc-t4", "rockchip,rk3399";
  17
  18         vcc12v0_sys: vcc12v0-sys {
  19                 compatible = "regulator-fixed";
  20                 regulator-always-on;
  21                 regulator-boot-on;
  22                 regulator-max-microvolt = <12000000>;
  23                 regulator-min-microvolt = <12000000>;
  24                 regulator-name = "vcc12v0_sys";
  25         };
  26
  27         vcc5v0_host0: vcc5v0-host0 {
  28                 compatible = "regulator-fixed";
  29                 regulator-always-on;
  30                 regulator-boot-on;
  31                 regulator-name = "vcc5v0_host0";
  32                 vin-supply = <&vcc5v0_sys>;
  33         };
  34
  35         adc-keys {
  36                 compatible = "adc-keys";
  37                 io-channels = <&saradc 1>;
  38                 io-channel-names = "buttons";
  39                 keyup-threshold-microvolt = <1800000>;
  40                 poll-interval = <100>;
  41
  42                 recovery {
  43                         label = "Recovery";
  44                         linux,code = <KEY_VENDOR>;
  45                         press-threshold-microvolt = <18000>;
  46                 };
  47         };
  48
  49         ir-receiver {
  50                 compatible = "gpio-ir-receiver";
  51                 gpios = <&gpio0 RK_PA6 GPIO_ACTIVE_LOW>;
  52                 pinctrl-names = "default";
  53                 pinctrl-0 = <&ir_rx>;
  54         };
  55
  56         fan: pwm-fan {
  57                 compatible = "pwm-fan";
  58                 /*
  59                  * With 20KHz PWM and an EVERCOOL EC4007H12SA fan, these levels
  60                  * work out to 0, ~1200, ~3000, and 5000RPM respectively.
  61                  */
  62                 cooling-levels = <0 12 18 255>;
  63                 #cooling-cells = <2>;
  64                 fan-supply = <&vcc12v0_sys>;
  65                 pwms = <&pwm1 0 50000 0>;
  66         };
  67 };
  68
  69 &cpu_thermal {
  70         trips {
  71                 cpu_warm: cpu_warm {
  72                         temperature = <55000>;
  73                         hysteresis = <2000>;
  74                         type = "active";
  75                 };
  76
  77                 cpu_hot: cpu_hot {
  78                         temperature = <65000>;
  79                         hysteresis = <2000>;
  80                         type = "active";
  81                 };
  82         };
  83
  84         cooling-maps {
  85                 map2 {
  86                         trip = <&cpu_warm>;
  87                         cooling-device = <&fan THERMAL_NO_LIMIT 1>;
  88                 };
  89
  90                 map3 {
  91                         trip = <&cpu_hot>;
  92                         cooling-device = <&fan 2 THERMAL_NO_LIMIT>;
  93                 };
  94         };
  95 };
  96
  97 &pcie0 {
  98         num-lanes = <4>;
  99         vpcie3v3-supply = <&vcc3v3_sys>;
 100 };
 101
 102 &pinctrl {
 103         ir {
 104                 ir_rx: ir-rx {
 105                         /* external pullup to VCC3V3_SYS, despite being 1.8V :/ */
 106                         rockchip,pins = <0 RK_PA6 1 &pcfg_pull_none>;
 107                 };
 108         };
 109 };
 110
 111 &sdhci {
 112         mmc-hs400-1_8v;
 113         mmc-hs400-enhanced-strobe;
 114 };
 115
 116 &u2phy0_host {
 117         phy-supply = <&vcc5v0_host0>;
 118 };
 119
 120 &u2phy1_host {
 121         phy-supply = <&vcc5v0_host0>;
 122 };
 123
 124 &vcc5v0_sys {
 125         vin-supply = <&vcc12v0_sys>;
 126 };
 127
 128 &vcc3v3_sys {
 129         vin-supply = <&vcc12v0_sys>;
 130 };
 131
 132 &vbus_typec {
 133         enable-active-high;
 134         gpios = <&gpio4 RK_PD2 GPIO_ACTIVE_HIGH>;
 135         vin-supply = <&vcc5v0_sys>;
 136 };