kernel/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         clocks {
  27                 slow_xtal {
  28                         clock-frequency = <32768>;
  29                 };
  30
  31                 main_xtal {
  32                         clock-frequency = <12000000>;
  33                 };
  34         };
  35
  36         ahb {
  37                 apb {
  38                         pinctrl@fffff400 {
  39                                 1wire_cm {
  40                                         pinctrl_1wire_cm: 1wire_cm-0 {
  41                                                 atmel,pins = <AT91_PIOB 18 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>; /* PB18 multidrive, conflicts with led */
  42                                         };
  43                                 };
  44                         };
  45
  46                         rtc@fffffeb0 {
  47                                 status = "okay";
  48                         };
  49                 };
  50
  51                 nand0: nand@40000000 {
  52                         nand-bus-width = <8>;
  53                         nand-ecc-mode = "hw";
  54                         atmel,has-pmecc;        /* Enable PMECC */
  55                         atmel,pmecc-cap = <2>;
  56                         atmel,pmecc-sector-size = <512>;
  57                         nand-on-flash-bbt;
  58                         status = "okay";
  59
  60                         at91bootstrap@0 {
  61                                 label = "at91bootstrap";
  62                                 reg = <0x0 0x40000>;
  63                         };
  64
  65                         uboot@40000 {
  66                                 label = "u-boot";
  67                                 reg = <0x40000 0x80000>;
  68                         };
  69
  70                         ubootenv@c0000 {
  71                                 label = "U-Boot Env";
  72                                 reg = <0xc0000 0x140000>;
  73                         };
  74
  75                         kernel@200000 {
  76                                 label = "kernel";
  77                                 reg = <0x200000 0x600000>;
  78                         };
  79
  80                         rootfs@800000 {
  81                                 label = "rootfs";
  82                                 reg = <0x800000 0x1f800000>;
  83                         };
  84                 };
  85         };
  86
  87         leds {
  88                 compatible = "gpio-leds";
  89
  90                 pb18 {
  91                         label = "pb18";
  92                         gpios = <&pioB 18 GPIO_ACTIVE_LOW>;
  93                         linux,default-trigger = "heartbeat";
  94                 };
  95
  96                 pd21 {
  97                         label = "pd21";
  98                         gpios = <&pioD 21 GPIO_ACTIVE_HIGH>;
  99                 };
 100         };
 101
 102         1wire_cm {
 103                 compatible = "w1-gpio";
 104                 gpios = <&pioB 18 GPIO_ACTIVE_HIGH>;
 105                 linux,open-drain;
 106                 pinctrl-names = "default";
 107                 pinctrl-0 = <&pinctrl_1wire_cm>;
 108                 status = "okay";
 109         };
 110
 111 };