arch/arm/boot/dts/nuvoton-wpcm450-supermicro-x9sci-ln4f.dts

   1 // SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
   2 // Copyright 2021 Jonathan Neuschäfer
   3
   4 /dts-v1/;
   5
   6 /* The last 16 MiB are dedicated to the GPU */
   7 /memreserve/ 0x07000000 0x01000000;
   8
   9 #include "nuvoton-wpcm450.dtsi"
  10
  11 #include <dt-bindings/input/linux-event-codes.h>
  12 #include <dt-bindings/gpio/gpio.h>
  13
  14 / {
  15         model = "Supermicro X9SCi-LN4F BMC";
  16         compatible = "supermicro,x9sci-ln4f-bmc", "nuvoton,wpcm450";
  17
  18         chosen {
  19                 stdout-path = "serial0:115200n8";
  20         };
  21
  22         memory@0 {
  23                 device_type = "memory";
  24                 reg = <0 0x08000000>; /* 128 MiB */
  25         };
  26
  27         gpio-keys {
  28                 compatible = "gpio-keys";
  29                 pinctrl-names = "default";
  30                 pinctrl-0 = <&key_pins>;
  31
  32                 uid {
  33                         label = "UID button";
  34                         linux,code = <KEY_HOME>;
  35                         gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>;
  36                 };
  37         };
  38
  39         gpio-leds {
  40                 compatible = "gpio-leds";
  41                 pinctrl-names = "default";
  42                 pinctrl-0 = <&led_pins>;
  43
  44                 uid {
  45                         label = "UID";
  46                         gpios = <&gpio1 7 GPIO_ACTIVE_HIGH>;
  47                 };
  48
  49                 heartbeat {
  50                         label = "heartbeat";
  51                         gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
  52                 };
  53         };
  54 };
  55
  56 &pinctrl {
  57         key_pins: mux-keys {
  58                 groups = "gspi", "sspi";
  59                 function = "gpio";
  60         };
  61
  62         led_pins: mux-leds {
  63                 groups = "hg3", "hg0", "pwm4";
  64                 function = "gpio";
  65         };
  66 };
  67
  68 &serial0 {
  69         /*
  70          * Debug serial port. TX is exposed on the right pad of unpopulated
  71          * resistor R1247, RX on the right pad of R1162.
  72          */
  73         status = "okay";
  74 };
  75
  76 &serial1 {
  77         /* "Serial over LAN" port. Connected to ttyS2 of the host system. */
  78         status = "okay";
  79 };
  80
  81 &watchdog0 {
  82         status = "okay";
  83 };