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