target/linux/apm821xx/dts/apollo3g.dtsi

   1 /*
   2  * Copyright 2008 DENX Software Engineering, Stefan Roese <sr@denx.de>
   3  * (c) Copyright 2010 Western Digital Technologies, Inc. All Rights Reserved.
   4  *
   5  * This file is licensed under the terms of the GNU General Public
   6  * License version 2.  This program is licensed "as is" without
   7  * any warranty of any kind, whether express or implied.
   8  */
   9
  10 #include "apm82181.dtsi"
  11
  12 / {
  13         compatible = "amcc,apollo3g";
  14
  15         aliases {
  16                 serial0 = &UART0;
  17         };
  18 };
  19
  20 &POB0 {
  21         ebc {
  22                 nor_flash@0,0 {
  23                         status = "okay";
  24                         compatible = "amd,s29gl512n", "jedec-probe", "cfi-flash", "mtd-rom";
  25                         bank-width = <1>;
  26                         reg = <0x00000000 0x00000000 0x00080000>;
  27                         #address-cells = <1>;
  28                         #size-cells = <1>;
  29
  30                         partition@0 {
  31                                 /* Part of bootrom - Don't use it without a jump */
  32                                 label = "free";
  33                                 reg = <0x00000000 0x0001e000>;
  34                         };
  35
  36                         partition@1 {
  37                                 label = "env";
  38                                 reg = <0x0001e000 0x00002000>;
  39                         };
  40
  41                         partition@2 {
  42                                 label = "uboot";
  43                                 reg = <0x00020000 0x00050000>;
  44                         };
  45                 };
  46         };
  47
  48         GPIO1: gpio1@e0000000 {
  49                 compatible = "wd,mbl-gpio", "ti,74273";
  50                 reg-names = "dat";
  51                 reg = <0xe0000000 0x1>;
  52                 #gpio-cells = <2>;
  53                 gpio-controller;
  54
  55                 enable-phy {
  56                         /* toggle to reset EMAC PHY */
  57                         gpio-hog;
  58                         line-name = "enable EMAC PHY";
  59                         gpios = <0 GPIO_ACTIVE_LOW>;
  60                         output-low;
  61                 };
  62
  63                 enable-button {
  64                         /* Defined in u-boot as: NOT_NOR
  65                          * "enables features other than NOR
  66                          * specifically, the buffer at CS2"
  67                          * (button).
  68                          *
  69                          * Note: This option is disabled as
  70                          * it prevents the system from being
  71                          * rebooted successfully.
  72                          */
  73
  74                         gpio-hog;
  75                         line-name = "Enable Reset Button, disable NOR";
  76                         gpios = <1 GPIO_ACTIVE_HIGH>;
  77                         output-low;
  78                 };
  79
  80                 enable-usb {
  81                         gpio-hog;
  82                         line-name = "Power USB Core";
  83                         gpios = <2 GPIO_ACTIVE_LOW>;
  84                         output-low;
  85                         status = "disabled";
  86                 };
  87
  88                 enable-port1 {
  89                         gpio-hog;
  90                         line-name = "Power Drive Port 1";
  91                         gpios = <3 GPIO_ACTIVE_LOW>;
  92                         output-low;
  93                 };
  94
  95                 enable-port0 {
  96                         gpio-hog;
  97                         line-name = "Power Drive Port 0";
  98                         gpios = <7 GPIO_ACTIVE_LOW>;
  99                         output-low;
 100                         status = "disabled";
 101                 };
 102         };
 103
 104         GPIO2: gpio2@e0100000 {
 105                 compatible = "wd,mbl-gpio", "ti,74244";
 106                 reg-names = "dat";
 107                 reg = <0xe0100000 0x1>;
 108                 #gpio-cells = <2>;
 109                 gpio-controller;
 110                 no-output;
 111         };
 112
 113         gpio-leds {
 114                 compatible = "gpio-leds";
 115
 116                 power-red {
 117                         label = "mbl:red:power";
 118                         gpios = <&GPIO1 4 GPIO_ACTIVE_HIGH>;
 119                         linux,default-trigger = "panic";
 120                 };
 121
 122                 power-green {
 123                         label = "mbl:green:power";
 124                         gpios = <&GPIO1 5 GPIO_ACTIVE_HIGH>;
 125                 };
 126
 127                 power-blue {
 128                         label = "mbl:blue:power";
 129                         gpios = <&GPIO1 6 GPIO_ACTIVE_HIGH>;
 130                 };
 131         };
 132
 133         gpio_keys_polled {
 134                 compatible = "gpio-keys-polled";
 135                 #address-cells = <1>;
 136                 #size-cells = <0>;
 137                 poll-interval = <60>;   /* 3 * 20 = 60ms */
 138                 autorepeat;
 139
 140                 button@1 {
 141                         label = "Reset button";
 142                         linux,code = <KEY_RESTART>;
 143                         gpios = <&GPIO2 2 GPIO_ACTIVE_LOW>;
 144                 };
 145         };
 146 };
 147
 148 &CRYPTO {
 149         status = "okay";
 150 };
 151
 152 &PKA {
 153         status = "okay";
 154 };
 155
 156 &TRNG {
 157         status = "okay";
 158 };
 159
 160 &SATA1 {
 161         status = "okay";
 162 };
 163
 164 &UART0 {
 165         status = "okay";
 166 };
 167
 168 &EMAC0 {
 169         status = "okay";
 170 };
 171
 172 &SATA1 {
 173         status = "okay";
 174 };