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                 led-boot = &status;
  18                 led-failsafe = &status;
  19                 led-running = &status;
  20                 led-upgrade = &status;
  21         };
  22 };
  23
  24 &POB0 {
  25         ebc {
  26                 nor_flash@0,0 {
  27                         status = "okay";
  28                         compatible = "amd,s29gl512n", "jedec-probe", "cfi-flash", "mtd-rom";
  29                         bank-width = <1>;
  30                         reg = <0x00000000 0x00000000 0x00080000>;
  31                         #address-cells = <1>;
  32                         #size-cells = <1>;
  33
  34                         partition@0 {
  35                                 /* Part of bootrom - Don't use it without a jump */
  36                                 label = "free";
  37                                 reg = <0x00000000 0x0001e000>;
  38                         };
  39
  40                         partition@1 {
  41                                 label = "env";
  42                                 reg = <0x0001e000 0x00002000>;
  43                         };
  44
  45                         partition@2 {
  46                                 label = "uboot";
  47                                 reg = <0x00020000 0x00050000>;
  48                         };
  49                 };
  50         };
  51
  52         GPIO1: gpio1@e0000000 {
  53                 compatible = "wd,mbl-gpio", "ti,74273";
  54                 reg-names = "dat";
  55                 reg = <0xe0000000 0x1>;
  56                 #gpio-cells = <2>;
  57                 gpio-controller;
  58
  59                 enable-phy {
  60                         /* toggle to reset EMAC PHY */
  61                         gpio-hog;
  62                         line-name = "enable EMAC PHY";
  63                         gpios = <0 GPIO_ACTIVE_LOW>;
  64                         output-low;
  65                 };
  66
  67                 enable-button {
  68                         /* Defined in u-boot as: NOT_NOR
  69                          * "enables features other than NOR
  70                          * specifically, the buffer at CS2"
  71                          * (button).
  72                          *
  73                          * Note: This option is disabled as
  74                          * it prevents the system from being
  75                          * rebooted successfully.
  76                          */
  77
  78                         gpio-hog;
  79                         line-name = "Enable Reset Button, disable NOR";
  80                         gpios = <1 GPIO_ACTIVE_HIGH>;
  81                         output-low;
  82                 };
  83
  84                 enable-usb {
  85                         gpio-hog;
  86                         line-name = "Power USB Core";
  87                         gpios = <2 GPIO_ACTIVE_LOW>;
  88                         output-low;
  89                         status = "disabled";
  90                 };
  91
  92                 enable-port1 {
  93                         gpio-hog;
  94                         line-name = "Power Drive Port 1";
  95                         gpios = <3 GPIO_ACTIVE_LOW>;
  96                         output-low;
  97                 };
  98
  99                 enable-port0 {
 100                         gpio-hog;
 101                         line-name = "Power Drive Port 0";
 102                         gpios = <7 GPIO_ACTIVE_LOW>;
 103                         output-low;
 104                         status = "disabled";
 105                 };
 106         };
 107
 108         GPIO2: gpio2@e0100000 {
 109                 compatible = "wd,mbl-gpio", "ti,74244";
 110                 reg-names = "dat";
 111                 reg = <0xe0100000 0x1>;
 112                 #gpio-cells = <2>;
 113                 gpio-controller;
 114                 no-output;
 115         };
 116
 117         gpio-leds {
 118                 compatible = "gpio-leds";
 119
 120                 failsafe: power-red {
 121                         label = "mbl:red:power";
 122                         gpios = <&GPIO1 4 GPIO_ACTIVE_HIGH>;
 123                         linux,default-trigger = "panic";
 124                 };
 125
 126                 status: power-green {
 127                         label = "mbl:green:power";
 128                         gpios = <&GPIO1 5 GPIO_ACTIVE_HIGH>;
 129                 };
 130
 131                 power-blue {
 132                         label = "mbl:blue:power";
 133                         gpios = <&GPIO1 6 GPIO_ACTIVE_HIGH>;
 134                 };
 135         };
 136
 137         gpio_keys_polled {
 138                 compatible = "gpio-keys-polled";
 139                 #address-cells = <1>;
 140                 #size-cells = <0>;
 141                 poll-interval = <60>;   /* 3 * 20 = 60ms */
 142                 autorepeat;
 143
 144                 button@1 {
 145                         label = "Reset button";
 146                         linux,code = <KEY_RESTART>;
 147                         gpios = <&GPIO2 2 GPIO_ACTIVE_LOW>;
 148                 };
 149         };
 150 };
 151
 152 &CRYPTO {
 153         status = "okay";
 154 };
 155
 156 &PKA {
 157         status = "okay";
 158 };
 159
 160 &TRNG {
 161         status = "okay";
 162 };
 163
 164 &SATA1 {
 165         status = "okay";
 166 };
 167
 168 &UART0 {
 169         status = "okay";
 170 };
 171
 172 &EMAC0 {
 173         status = "okay";
 174
 175         phy-map = <0x2>;
 176         phy-address = <0x1>;
 177         phy-handle = <&phy>;
 178
 179         mdio {
 180                 phy: phy@1 {
 181                         compatible = "ethernet-phy-ieee802.3-c22";
 182                         reg = <1>;
 183                 };
 184         };
 185 };
 186
 187 &SATA1 {
 188         status = "okay";
 189 };