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                 slow_xtal {
  17                         clock-frequency = <32768>;
  18                 };
  19
  20                 main_xtal {
  21                         clock-frequency = <12000000>;
  22                 };
  23         };
  24
  25         ahb {
  26                 apb {
  27                         tcb0: timer@f8008000 {
  28                                 timer@0 {
  29                                         compatible = "atmel,tcb-timer";
  30                                         reg = <0>;
  31                                 };
  32
  33                                 timer@1 {
  34                                         compatible = "atmel,tcb-timer";
  35                                         reg = <1>;
  36                                 };
  37                         };
  38
  39                         pinctrl@fffff400 {
  40                                 1wire_cm {
  41                                         pinctrl_1wire_cm: 1wire_cm-0 {
  42                                                 atmel,pins = <AT91_PIOB 18 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>; /* PB18 multidrive, conflicts with led */
  43                                         };
  44                                 };
  45                         };
  46
  47                         rtc@fffffeb0 {
  48                                 status = "okay";
  49                         };
  50                 };
  51
  52                 ebi: ebi@10000000 {
  53                         pinctrl-0 = <&pinctrl_ebi_addr_nand
  54                                      &pinctrl_ebi_data_0_7>;
  55                         pinctrl-names = "default";
  56                         status = "okay";
  57
  58                         nand_controller: nand-controller {
  59                                 status = "okay";
  60                                 pinctrl-0 = <&pinctrl_nand_oe_we
  61                                              &pinctrl_nand_cs
  62                                              &pinctrl_nand_rb>;
  63                                 pinctrl-names = "default";
  64
  65                                 nand@3 {
  66                                         reg = <0x3 0x0 0x800000>;
  67                                         rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
  68                                         cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
  69                                         nand-bus-width = <8>;
  70                                         nand-ecc-mode = "hw";
  71                                         nand-ecc-strength = <2>;
  72                                         nand-ecc-step-size = <512>;
  73                                         nand-on-flash-bbt;
  74                                         label = "atmel_nand";
  75
  76                                         partitions {
  77                                                 compatible = "fixed-partitions";
  78                                                 #address-cells = <1>;
  79                                                 #size-cells = <1>;
  80
  81                                                 at91bootstrap@0 {
  82                                                         label = "at91bootstrap";
  83                                                         reg = <0x0 0x40000>;
  84                                                 };
  85
  86                                                 uboot@40000 {
  87                                                         label = "u-boot";
  88                                                         reg = <0x40000 0x80000>;
  89                                                 };
  90
  91                                                 ubootenv@c0000 {
  92                                                         label = "U-Boot Env";
  93                                                         reg = <0xc0000 0x140000>;
  94                                                 };
  95
  96                                                 kernel@200000 {
  97                                                         label = "kernel";
  98                                                         reg = <0x200000 0x600000>;
  99                                                 };
 100
 101                                                 rootfs@800000 {
 102                                                         label = "rootfs";
 103                                                         reg = <0x800000 0x1f800000>;
 104                                                 };
 105                                         };
 106                                 };
 107                         };
 108                 };
 109         };
 110
 111         leds {
 112                 compatible = "gpio-leds";
 113
 114                 pb18 {
 115                         label = "pb18";
 116                         gpios = <&pioB 18 GPIO_ACTIVE_LOW>;
 117                         linux,default-trigger = "heartbeat";
 118                 };
 119
 120                 pd21 {
 121                         label = "pd21";
 122                         gpios = <&pioD 21 GPIO_ACTIVE_HIGH>;
 123                 };
 124         };
 125
 126         1wire_cm {
 127                 compatible = "w1-gpio";
 128                 gpios = <&pioB 18 GPIO_ACTIVE_HIGH>;
 129                 linux,open-drain;
 130                 pinctrl-names = "default";
 131                 pinctrl-0 = <&pinctrl_1wire_cm>;
 132                 status = "okay";
 133         };
 134
 135 };