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
  39         ahb {
  40                 apb {
  41                         mmc0: mmc@f0008000 {
  42                                 pinctrl-0 = <
  43                                         &pinctrl_board_mmc0
  44                                         &pinctrl_mmc0_slot0_clk_cmd_dat0
  45                                         &pinctrl_mmc0_slot0_dat1_3>;
  46                                 status = "okay";
  47                                 slot@0 {
  48                                         reg = <0>;
  49                                         bus-width = <4>;
  50                                         cd-gpios = <&pioD 15 GPIO_ACTIVE_HIGH>;
  51                                 };
  52                         };
  53
  54                         dbgu: serial@fffff200 {
  55                                 status = "okay";
  56                         };
  57
  58                         usart0: serial@f801c000 {
  59                                 status = "okay";
  60                         };
  61
  62                         i2c0: i2c@f8010000 {
  63                                 status = "okay";
  64                         };
  65
  66                         adc0: adc@f804c000 {
  67                                 atmel,adc-ts-wires = <4>;
  68                                 atmel,adc-ts-pressure-threshold = <10000>;
  69                                 status = "okay";
  70                         };
  71
  72                         pinctrl@fffff400 {
  73                                 mmc0 {
  74                                         pinctrl_board_mmc0: mmc0-board {
  75                                                 atmel,pins =
  76                                                         <AT91_PIOD 15 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;  /* PD15 gpio CD pin pull up and deglitch */
  77                                         };
  78                                 };
  79                         };
  80
  81                         watchdog@fffffe40 {
  82                                 status = "okay";
  83                         };
  84                 };
  85
  86                 nand0: nand@40000000 {
  87                         nand-bus-width = <8>;
  88                         nand-ecc-mode = "hw";
  89                         atmel,has-pmecc;        /* Enable PMECC */
  90                         atmel,pmecc-cap = <4>;
  91                         atmel,pmecc-sector-size = <512>;
  92                         nand-on-flash-bbt;
  93                         status = "okay";
  94
  95                         at91bootstrap@0 {
  96                                 label = "at91bootstrap";
  97                                 reg = <0x0 0x40000>;
  98                         };
  99
 100                         uboot@40000 {
 101                                 label = "u-boot";
 102                                 reg = <0x40000 0x80000>;
 103                         };
 104
 105                         ubootenv@c0000 {
 106                                 label = "U-Boot Env";
 107                                 reg = <0xc0000 0x140000>;
 108                         };
 109
 110                         kernel@200000 {
 111                                 label = "kernel";
 112                                 reg = <0x200000 0x600000>;
 113                         };
 114
 115                         rootfs@800000 {
 116                                 label = "rootfs";
 117                                 reg = <0x800000 0x0f800000>;
 118                         };
 119                 };
 120         };
 121 };