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	aliases {
 19		serial0 = &serial0;
 20		serial1 = &serial1;
 21	};
 22
 23	chosen {
 24		stdout-path = "serial0:115200n8";
 25	};
 26
 27	memory@0 {
 28		device_type = "memory";
 29		reg = <0 0x08000000>; /* 128 MiB */
 30	};
 31
 32	gpio-keys {
 33		compatible = "gpio-keys";
 34		pinctrl-names = "default";
 35		pinctrl-0 = <&key_pins>;
 36
 37		uid {
 38			label = "UID button";
 39			linux,code = <KEY_HOME>;
 40			gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>;
 41		};
 42	};
 43
 44	gpio-leds {
 45		compatible = "gpio-leds";
 46		pinctrl-names = "default";
 47		pinctrl-0 = <&led_pins>;
 48
 49		uid {
 50			label = "UID";
 51			gpios = <&gpio1 7 GPIO_ACTIVE_HIGH>;
 52		};
 53
 54		heartbeat {
 55			label = "heartbeat";
 56			gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
 57		};
 58	};
 59};
 60
 61&fiu {
 62	status = "okay";
 63
 64	flash@0 {
 65		reg = <0>;
 66		compatible = "jedec,spi-nor";
 67	};
 68};
 69
 70&gpio0 {
 71	gpio-line-names =
 72		/* 0 */ "", "host-reset-control-n", "", "", "", "", "", "",
 73		/* 8 */ "", "", "", "", "power-chassis-control-n", "", "uid-button", "";
 74};
 75
 76&gpio1 {
 77	gpio-line-names =
 78		/* 0 */ "", "", "", "", "led-heartbeat", "", "", "led-uid",
 79		/* 8 */ "", "", "", "", "", "", "", "";
 80};
 81
 82&gpio4 {
 83	gpio-line-names =
 84		/* 0 */ "", "", "", "", "", "", "", "",
 85		/* 8 */ "", "", "", "", "", "", "", "power-chassis-good";
 86};
 87
 88&pinctrl {
 89	key_pins: mux-keys {
 90		groups = "gspi", "sspi";
 91		function = "gpio";
 92	};
 93
 94	led_pins: mux-leds {
 95		groups = "hg3", "hg0", "pwm4";
 96		function = "gpio";
 97	};
 98};
 99
100&serial0 {
101	/*
102	 * Debug serial port. TX is exposed on the right pad of unpopulated
103	 * resistor R1247, RX on the right pad of R1162.
104	 */
105	status = "okay";
106};
107
108&serial1 {
109	/* "Serial over LAN" port. Connected to ttyS2 of the host system. */
110	status = "okay";
111};