xref: /linux/arch/arm/boot/dts/aspeed/ast2600-facebook-netbmc-common.dtsi (revision 4b660dbd9ee2059850fd30e0df420ca7a38a1856) 
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};
170