arch/arm/boot/dts/ast2600-facebook-netbmc-common.dtsi

   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-gpio {
  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 };