1 // SPDX-License-Identifier: GPL-2.0+
2 // Copyright (c) 2020 Facebook Inc.
3
4 #include "aspeed-g6.dtsi"
5 #include <dt-bindings/gpio/aspeed-gpio.h>
6
7 / {
8 aliases {
9 mmc0 = &emmc;
10 spi1 = &spi1;
11 spi2 = &spi_gpio;
12 };
13
14 chosen {
15 bootargs = "console=ttyS0,9600n8 root=/dev/ram rw vmalloc=640M";
16 };
17
18 memory@80000000 {
19 device_type = "memory";
20 reg = <0x80000000 0x80000000>;
21 };
22
23 /*
24 * GPIO-based SPI Master is required to access SPI TPM, because
25 * full-duplex SPI transactions are not supported by ASPEED SPI
26 * Controllers.
27 */
28 spi_gpio: spi {
29 status = "okay";
30 compatible = "spi-gpio";
31 #address-cells = <1>;
32 #size-cells = <0>;
33
34 gpio-sck = <&gpio0 ASPEED_GPIO(X, 3) GPIO_ACTIVE_HIGH>;
35 gpio-mosi = <&gpio0 ASPEED_GPIO(X, 4) GPIO_ACTIVE_HIGH>;
36 gpio-miso = <&gpio0 ASPEED_GPIO(X, 5) GPIO_ACTIVE_HIGH>;
37
38 tpm@0 {
39 compatible = "infineon,slb9670", "tcg,tpm_tis-spi";
40 spi-max-frequency = <33000000>;
41 reg = <0>;
42 };
43 };
44 };
45
46 &fmc {
47 status = "okay";
48
49 flash@0 {
50 status = "okay";
51 m25p,fast-read;
52 label = "spi0.0";
53
54 #include "facebook-bmc-flash-layout-128.dtsi"
55 };
56
57 flash@1 {
58 status = "okay";
59 m25p,fast-read;
60 label = "spi0.1";
61
62 partitions {
63 compatible = "fixed-partitions";
64 #address-cells = <1>;
65 #size-cells = <1>;
66
67 flash1@0 {
68 reg = <0x0 0x8000000>;
69 label = "flash1";
70 };
71 };
72 };
73 };
74
75 &spi1 {
76 status = "okay";
77 };
78
79 &uart1 {
80 status = "okay";
81 };
82
83 &uart2 {
84 status = "okay";
85 };
86
87 &uart5 {
88 status = "okay";
89 };
90
91 &wdt1 {
92 status = "okay";
93 };
94
95 &i2c0 {
96 status = "okay";
97 };
98
99 &i2c1 {
100 status = "okay";
101 };
102
103 &i2c2 {
104 status = "okay";
105 };
106
107 &i2c3 {
108 status = "okay";
109 };
110
111 &i2c4 {
112 status = "okay";
113 };
114
115 &i2c5 {
116 status = "okay";
117 };
118
119 &i2c6 {
120 status = "okay";
121 };
122
123 &i2c7 {
124 status = "okay";
125 };
126
127 &i2c8 {
128 status = "okay";
129 };
130
131 &i2c9 {
132 status = "okay";
133 };
134
135 &i2c10 {
136 status = "okay";
137 };
138
139 &i2c12 {
140 status = "okay";
141 };
142
143 &i2c13 {
144 status = "okay";
145 };
146
147 &i2c15 {
148 status = "okay";
149 };
150
151 &vhub {
152 status = "okay";
153 };
154
155 &emmc_controller {
156 status = "okay";
157 };
158
159 &emmc {
160 status = "okay";
161
162 non-removable;
163 max-frequency = <25000000>;
164 bus-width = <4>;
165 };
166
167 &rtc {
168 status = "okay";
169 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.