0001 // SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
0002 // Copyright 2021 Jonathan Neuschäfer
0003
0004 /dts-v1/;
0005
0006 /* The last 16 MiB are dedicated to the GPU */
0007 /memreserve/ 0x07000000 0x01000000;
0008
0009 #include "nuvoton-wpcm450.dtsi"
0010
0011 #include <dt-bindings/input/linux-event-codes.h>
0012 #include <dt-bindings/gpio/gpio.h>
0013
0014 / {
0015 model = "Supermicro X9SCi-LN4F BMC";
0016 compatible = "supermicro,x9sci-ln4f-bmc", "nuvoton,wpcm450";
0017
0018 chosen {
0019 stdout-path = "serial0:115200n8";
0020 };
0021
0022 memory@0 {
0023 device_type = "memory";
0024 reg = <0 0x08000000>; /* 128 MiB */
0025 };
0026
0027 gpio-keys {
0028 compatible = "gpio-keys";
0029 pinctrl-names = "default";
0030 pinctrl-0 = <&key_pins>;
0031
0032 uid {
0033 label = "UID button";
0034 linux,code = <KEY_HOME>;
0035 gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>;
0036 };
0037 };
0038
0039 gpio-leds {
0040 compatible = "gpio-leds";
0041 pinctrl-names = "default";
0042 pinctrl-0 = <&led_pins>;
0043
0044 uid {
0045 label = "UID";
0046 gpios = <&gpio1 7 GPIO_ACTIVE_HIGH>;
0047 };
0048
0049 heartbeat {
0050 label = "heartbeat";
0051 gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
0052 };
0053 };
0054 };
0055
0056 &pinctrl {
0057 key_pins: mux-keys {
0058 groups = "gspi", "sspi";
0059 function = "gpio";
0060 };
0061
0062 led_pins: mux-leds {
0063 groups = "hg3", "hg0", "pwm4";
0064 function = "gpio";
0065 };
0066 };
0067
0068 &serial0 {
0069 /*
0070 * Debug serial port. TX is exposed on the right pad of unpopulated
0071 * resistor R1247, RX on the right pad of R1162.
0072 */
0073 status = "okay";
0074 };
0075
0076 &serial1 {
0077 /* "Serial over LAN" port. Connected to ttyS2 of the host system. */
0078 status = "okay";
0079 };
0080
0081 &watchdog0 {
0082 status = "okay";
0083 };
