sys/gnu/dts/arm/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
  47                 nand0: nand@40000000 {
  48                         nand-bus-width = <8>;
  49                         nand-ecc-mode = "hw";
  50                         atmel,has-pmecc;        /* Enable PMECC */
  51                         atmel,pmecc-cap = <2>;
  52                         atmel,pmecc-sector-size = <512>;
  53                         nand-on-flash-bbt;
  54                         status = "okay";
  55
  56                         at91bootstrap@0 {
  57                                 label = "at91bootstrap";
  58                                 reg = <0x0 0x40000>;
  59                         };
  60
  61                         uboot@40000 {
  62                                 label = "u-boot";
  63                                 reg = <0x40000 0x80000>;
  64                         };
  65
  66                         ubootenv@c0000 {
  67                                 label = "U-Boot Env";
  68                                 reg = <0xc0000 0x140000>;
  69                         };
  70
  71                         kernel@200000 {
  72                                 label = "kernel";
  73                                 reg = <0x200000 0x600000>;
  74                         };
  75
  76                         rootfs@800000 {
  77                                 label = "rootfs";
  78                                 reg = <0x800000 0x1f800000>;
  79                         };
  80                 };
  81         };
  82
  83         leds {
  84                 compatible = "gpio-leds";
  85
  86                 pb18 {
  87                         label = "pb18";
  88                         gpios = <&pioB 18 GPIO_ACTIVE_LOW>;
  89                         linux,default-trigger = "heartbeat";
  90                 };
  91
  92                 pd21 {
  93                         label = "pd21";
  94                         gpios = <&pioD 21 GPIO_ACTIVE_HIGH>;
  95                 };
  96         };
  97
  98         1wire_cm {
  99                 compatible = "w1-gpio";
 100                 gpios = <&pioB 18 GPIO_ACTIVE_HIGH>;
 101                 linux,open-drain;
 102                 pinctrl-names = "default";
 103                 pinctrl-0 = <&pinctrl_1wire_cm>;
 104                 status = "okay";
 105         };
 106
 107 };