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 button-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 led-uid {
50 label = "UID";
51 gpios = <&gpio1 7 GPIO_ACTIVE_HIGH>;
52 };
53
54 led-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 };
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