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 };
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