arch/arm/boot/dts/at91-cosino.dtsi

   1 /*
   2  * at91-cosino.dtsi - Device Tree file for Cosino core module
   3  *
   4  * Copyright (C) 2013 - Rodolfo Giometti <giometti@linux.it>
   5  *                      HCE Engineering
   6  *
   7  * Derived from at91sam9x5ek.dtsi by:
   8  *      Copyright (C) 2012 Atmel,
   9  *      2012 Nicolas Ferre <nicolas.ferre@atmel.com>
  10  *
  11  * Licensed under GPLv2 or later.
  12  */
  13
  14 #include "at91sam9g35.dtsi"
  15
  16 / {
  17         model = "HCE Cosino core module";
  18         compatible = "hce,cosino", "atmel,at91sam9x5", "atmel,at91sam9";
  19
  20         chosen {
  21                 bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootfstype=ext3 rootwait";
  22         };
  23
  24         memory {
  25                 reg = <0x20000000 0x8000000>;
  26         };
  27
  28         clocks {
  29                 #address-cells = <1>;
  30                 #size-cells = <1>;
  31                 ranges;
  32
  33                 main_clock: clock@0 {
  34                         compatible = "atmel,osc", "fixed-clock";
  35                         clock-frequency = <12000000>;
  36                 };
  37
  38                 slow_xtal {
  39                         clock-frequency = <32768>;
  40                 };
  41
  42                 main_xtal {
  43                         clock-frequency = <12000000>;
  44                 };
  45         };
  46
  47         ahb {
  48                 apb {
  49                         mmc0: mmc@f0008000 {
  50                                 pinctrl-0 = <
  51                                         &pinctrl_board_mmc0
  52                                         &pinctrl_mmc0_slot0_clk_cmd_dat0
  53                                         &pinctrl_mmc0_slot0_dat1_3>;
  54                                 status = "okay";
  55                                 slot@0 {
  56                                         reg = <0>;
  57                                         bus-width = <4>;
  58                                         cd-gpios = <&pioD 15 GPIO_ACTIVE_HIGH>;
  59                                 };
  60                         };
  61
  62                         dbgu: serial@fffff200 {
  63                                 status = "okay";
  64                         };
  65
  66                         usart0: serial@f801c000 {
  67                                 status = "okay";
  68                         };
  69
  70                         i2c0: i2c@f8010000 {
  71                                 status = "okay";
  72                         };
  73
  74                         adc0: adc@f804c000 {
  75                                 atmel,adc-ts-wires = <4>;
  76                                 atmel,adc-ts-pressure-threshold = <10000>;
  77                                 status = "okay";
  78                         };
  79
  80                         pinctrl@fffff400 {
  81                                 mmc0 {
  82                                         pinctrl_board_mmc0: mmc0-board {
  83                                                 atmel,pins =
  84                                                         <AT91_PIOD 15 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;  /* PD15 gpio CD pin pull up and deglitch */
  85                                         };
  86                                 };
  87                         };
  88
  89                         watchdog@fffffe40 {
  90                                 status = "okay";
  91                         };
  92                 };
  93
  94                 nand0: nand@40000000 {
  95                         nand-bus-width = <8>;
  96                         nand-ecc-mode = "hw";
  97                         atmel,has-pmecc;        /* Enable PMECC */
  98                         atmel,pmecc-cap = <4>;
  99                         atmel,pmecc-sector-size = <512>;
 100                         nand-on-flash-bbt;
 101                         status = "okay";
 102
 103                         at91bootstrap@0 {
 104                                 label = "at91bootstrap";
 105                                 reg = <0x0 0x40000>;
 106                         };
 107
 108                         uboot@40000 {
 109                                 label = "u-boot";
 110                                 reg = <0x40000 0x80000>;
 111                         };
 112
 113                         ubootenv@c0000 {
 114                                 label = "U-Boot Env";
 115                                 reg = <0xc0000 0x140000>;
 116                         };
 117
 118                         kernel@200000 {
 119                                 label = "kernel";
 120                                 reg = <0x200000 0x600000>;
 121                         };
 122
 123                         rootfs@800000 {
 124                                 label = "rootfs";
 125                                 reg = <0x800000 0x0f800000>;
 126                         };
 127                 };
 128         };
 129 };