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                 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                 ebi: ebi@10000000 {
  41                         pinctrl-0 = <&pinctrl_ebi_addr_nand
  42                                      &pinctrl_ebi_data_0_7>;
  43                         pinctrl-names = "default";
  44                         status = "okay";
  45
  46                         nand_controller: nand-controller {
  47                                 status = "okay";
  48                                 pinctrl-0 = <&pinctrl_nand_oe_we
  49                                              &pinctrl_nand_cs
  50                                              &pinctrl_nand_rb>;
  51                                 pinctrl-names = "default";
  52
  53                                 nand@3 {
  54                                         reg = <0x3 0x0 0x800000>;
  55                                         rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
  56                                         cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
  57                                         nand-bus-width = <8>;
  58                                         nand-ecc-mode = "hw";
  59                                         nand-ecc-strength = <2>;
  60                                         nand-ecc-step-size = <512>;
  61                                         nand-on-flash-bbt;
  62                                         label = "atmel_nand";
  63
  64                                         partitions {
  65                                                 compatible = "fixed-partitions";
  66                                                 #address-cells = <1>;
  67                                                 #size-cells = <1>;
  68
  69                                                 at91bootstrap@0 {
  70                                                         label = "at91bootstrap";
  71                                                         reg = <0x0 0x40000>;
  72                                                 };
  73
  74                                                 uboot@40000 {
  75                                                         label = "u-boot";
  76                                                         reg = <0x40000 0x80000>;
  77                                                 };
  78
  79                                                 ubootenv@c0000 {
  80                                                         label = "U-Boot Env";
  81                                                         reg = <0xc0000 0x140000>;
  82                                                 };
  83
  84                                                 kernel@200000 {
  85                                                         label = "kernel";
  86                                                         reg = <0x200000 0x600000>;
  87                                                 };
  88
  89                                                 rootfs@800000 {
  90                                                         label = "rootfs";
  91                                                         reg = <0x800000 0x0f800000>;
  92                                                 };
  93                                         };
  94                                 };
  95                         };
  96                 };
  97         };
  98
  99         leds {
 100                 compatible = "gpio-leds";
 101
 102                 pb18 {
 103                         label = "pb18";
 104                         gpios = <&pioB 18 GPIO_ACTIVE_LOW>;
 105                         linux,default-trigger = "heartbeat";
 106                 };
 107
 108                 pd21 {
 109                         label = "pd21";
 110                         gpios = <&pioD 21 GPIO_ACTIVE_HIGH>;
 111                 };
 112         };
 113
 114         1wire_cm {
 115                 compatible = "w1-gpio";
 116                 gpios = <&pioB 18 GPIO_ACTIVE_HIGH>;
 117                 linux,open-drain;
 118                 pinctrl-names = "default";
 119                 pinctrl-0 = <&pinctrl_1wire_cm>;
 120                 status = "okay";
 121         };
 122
 123 };