arch/arm/dts/at91sam9x5cm.dtsi

   1 /*
   2  * at91sam9x5cm.dtsi - Device Tree Include file for AT91SAM9x5 CPU Module
   3  *
   4  *  Copyright (C) 2012 Atmel,
   5  *                2012 Nicolas Ferre <nicolas.ferre@atmel.com>
   6  *
   7  * Licensed under GPLv2 or later.
   8  */
   9
  10 / {
  11         memory {
  12                 reg = <0x20000000 0x8000000>;
  13         };
  14
  15         clocks {
  16                 slow_xtal {
  17                         clock-frequency = <32768>;
  18                 };
  19
  20                 main_xtal {
  21                         clock-frequency = <12000000>;
  22                 };
  23         };
  24
  25         ahb {
  26                 apb {
  27                         pinctrl@fffff400 {
  28                                 1wire_cm {
  29                                         pinctrl_1wire_cm: 1wire_cm-0 {
  30                                                 atmel,pins = <AT91_PIOB 18 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>; /* PB18 multidrive, conflicts with led */
  31                                         };
  32                                 };
  33                         };
  34
  35                         rtc@fffffeb0 {
  36                                 status = "okay";
  37                         };
  38                 };
  39
  40                 nand0: nand@40000000 {
  41                         nand-bus-width = <8>;
  42                         nand-ecc-mode = "hw";
  43                         atmel,has-pmecc;        /* Enable PMECC */
  44                         atmel,pmecc-cap = <2>;
  45                         atmel,pmecc-sector-size = <512>;
  46                         nand-on-flash-bbt;
  47                         status = "okay";
  48
  49                         at91bootstrap@0 {
  50                                 label = "at91bootstrap";
  51                                 reg = <0x0 0x40000>;
  52                         };
  53
  54                         uboot@40000 {
  55                                 label = "u-boot";
  56                                 reg = <0x40000 0x80000>;
  57                         };
  58
  59                         ubootenv@c0000 {
  60                                 label = "U-Boot Env";
  61                                 reg = <0xc0000 0x140000>;
  62                         };
  63
  64                         kernel@200000 {
  65                                 label = "kernel";
  66                                 reg = <0x200000 0x600000>;
  67                         };
  68
  69                         rootfs@800000 {
  70                                 label = "rootfs";
  71                                 reg = <0x800000 0x1f800000>;
  72                         };
  73                 };
  74         };
  75
  76         leds {
  77                 compatible = "gpio-leds";
  78
  79                 pb18 {
  80                         label = "pb18";
  81                         gpios = <&pioB 18 GPIO_ACTIVE_LOW>;
  82                         linux,default-trigger = "heartbeat";
  83                 };
  84
  85                 pd21 {
  86                         label = "pd21";
  87                         gpios = <&pioD 21 GPIO_ACTIVE_HIGH>;
  88                 };
  89         };
  90
  91         1wire_cm {
  92                 compatible = "w1-gpio";
  93                 gpios = <&pioB 18 GPIO_ACTIVE_HIGH>;
  94                 linux,open-drain;
  95                 pinctrl-names = "default";
  96                 pinctrl-0 = <&pinctrl_1wire_cm>;
  97                 status = "okay";
  98         };
  99
 100 };