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		tpmdev@0 {
 39			compatible = "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};