arch/arm/boot/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                 #address-cells = <1>;
  17                 #size-cells = <1>;
  18                 ranges;
  19
  20                 main_clock: clock@0 {
  21                         compatible = "atmel,osc", "fixed-clock";
  22                         clock-frequency = <12000000>;
  23                 };
  24         };
  25
  26         slow_xtal {
  27                 clock-frequency = <32768>;
  28         };
  29
  30         main_xtal {
  31                 clock-frequency = <12000000>;
  32         };
  33
  34         ahb {
  35                 apb {
  36                         pinctrl@fffff400 {
  37                                 1wire_cm {
  38                                         pinctrl_1wire_cm: 1wire_cm-0 {
  39                                                 atmel,pins = <AT91_PIOB 18 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>; /* PB18 multidrive, conflicts with led */
  40                                         };
  41                                 };
  42                         };
  43                 };
  44
  45                 nand0: nand@40000000 {
  46                         nand-bus-width = <8>;
  47                         nand-ecc-mode = "hw";
  48                         atmel,has-pmecc;        /* Enable PMECC */
  49                         atmel,pmecc-cap = <2>;
  50                         atmel,pmecc-sector-size = <512>;
  51                         nand-on-flash-bbt;
  52                         status = "okay";
  53
  54                         at91bootstrap@0 {
  55                                 label = "at91bootstrap";
  56                                 reg = <0x0 0x40000>;
  57                         };
  58
  59                         uboot@40000 {
  60                                 label = "u-boot";
  61                                 reg = <0x40000 0x80000>;
  62                         };
  63
  64                         ubootenv@c0000 {
  65                                 label = "U-Boot Env";
  66                                 reg = <0xc0000 0x140000>;
  67                         };
  68
  69                         kernel@200000 {
  70                                 label = "kernel";
  71                                 reg = <0x200000 0x600000>;
  72                         };
  73
  74                         rootfs@800000 {
  75                                 label = "rootfs";
  76                                 reg = <0x800000 0x1f800000>;
  77                         };
  78                 };
  79         };
  80
  81         leds {
  82                 compatible = "gpio-leds";
  83
  84                 pb18 {
  85                         label = "pb18";
  86                         gpios = <&pioB 18 GPIO_ACTIVE_LOW>;
  87                         linux,default-trigger = "heartbeat";
  88                 };
  89
  90                 pd21 {
  91                         label = "pd21";
  92                         gpios = <&pioD 21 GPIO_ACTIVE_HIGH>;
  93                 };
  94         };
  95
  96         1wire_cm {
  97                 compatible = "w1-gpio";
  98                 gpios = <&pioB 18 GPIO_ACTIVE_HIGH>;
  99                 linux,open-drain;
 100                 pinctrl-names = "default";
 101                 pinctrl-0 = <&pinctrl_1wire_cm>;
 102                 status = "okay";
 103         };
 104
 105 };