1// SPDX-License-Identifier: GPL-2.0+
2// Copyright (c) 2018 Facebook Inc.
3/dts-v1/;
4
5#include "aspeed-g5.dtsi"
6
7/ {
8	model = "Facebook YAMP 100 BMC";
9	compatible = "facebook,yamp-bmc", "aspeed,ast2500";
10
11	aliases {
12		/*
13		 * Override the default uart aliases to avoid breaking
14		 * the legacy applications.
15		 */
16		serial0 = &uart5;
17		serial1 = &uart1;
18		serial2 = &uart2;
19		serial3 = &uart3;
20	};
21
22	chosen {
23		stdout-path = &uart5;
24		bootargs = "console=ttyS0,9600n8 root=/dev/ram rw";
25	};
26
27	memory@80000000 {
28		reg = <0x80000000 0x20000000>;
29	};
30};
31
32&pinctrl {
33	aspeed,external-nodes = <&gfx &lhc>;
34};
35
36/*
37 * Update reset type to "system" (full chip) to fix warm reboot hang issue
38 * when reset type is set to default ("soc", gated by reset mask registers).
39 */
40&wdt1 {
41	status = "okay";
42	aspeed,reset-type = "system";
43};
44
45/*
46 * wdt2 is not used by Yamp.
47 */
48&wdt2 {
49	status = "disabled";
50};
51
52&fmc {
53	status = "okay";
54	flash@0 {
55		status = "okay";
56		m25p,fast-read;
57		label = "bmc";
58#include "facebook-bmc-flash-layout.dtsi"
59	};
60};
61
62&uart1 {
63	status = "okay";
64	pinctrl-names = "default";
65	pinctrl-0 = <&pinctrl_txd1_default
66		     &pinctrl_rxd1_default>;
67};
68
69&uart2 {
70	status = "okay";
71	pinctrl-names = "default";
72	pinctrl-0 = <&pinctrl_txd2_default
73		     &pinctrl_rxd2_default>;
74};
75
76&uart3 {
77	status = "okay";
78	pinctrl-names = "default";
79	pinctrl-0 = <&pinctrl_txd3_default
80		     &pinctrl_rxd3_default>;
81};
82
83&uart5 {
84	status = "okay";
85};
86
87&mac0 {
88	status = "okay";
89	use-ncsi;
90	no-hw-checksum;
91	pinctrl-names = "default";
92	pinctrl-0 = <&pinctrl_rmii1_default>;
93};
94
95&i2c0 {
96	status = "okay";
97};
98
99&i2c1 {
100	status = "okay";
101};
102
103&i2c2 {
104	status = "okay";
105
106	i2c-switch@75 {
107		compatible = "nxp,pca9548";
108		#address-cells = <1>;
109		#size-cells = <0>;
110		reg = <0x75>;
111	};
112};
113
114&i2c3 {
115	status = "okay";
116};
117
118&i2c4 {
119	status = "okay";
120};
121
122&i2c5 {
123	status = "okay";
124};
125
126&i2c6 {
127	status = "okay";
128};
129
130&i2c7 {
131	status = "okay";
132};
133
134&i2c8 {
135	status = "okay";
136};
137
138&i2c9 {
139	status = "okay";
140};
141
142&i2c10 {
143	status = "okay";
144};
145
146&i2c11 {
147	status = "okay";
148};
149
150&i2c12 {
151	status = "okay";
152};
153
154&i2c13 {
155	status = "okay";
156};
157
158&vhub {
159	status = "okay";
160};
161