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                 slow_xtal {
  30                         clock-frequency = <32768>;
  31                 };
  32
  33                 main_xtal {
  34                         clock-frequency = <12000000>;
  35                 };
  36         };
  37
  38         ahb {
  39                 apb {
  40                         mmc0: mmc@f0008000 {
  41                                 pinctrl-0 = <
  42                                         &pinctrl_board_mmc0
  43                                         &pinctrl_mmc0_slot0_clk_cmd_dat0
  44                                         &pinctrl_mmc0_slot0_dat1_3>;
  45                                 status = "okay";
  46                                 slot@0 {
  47                                         reg = <0>;
  48                                         bus-width = <4>;
  49                                         cd-gpios = <&pioD 15 GPIO_ACTIVE_HIGH>;
  50                                 };
  51                         };
  52
  53                         dbgu: serial@fffff200 {
  54                                 status = "okay";
  55                         };
  56
  57                         usart0: serial@f801c000 {
  58                                 status = "okay";
  59                         };
  60
  61                         i2c0: i2c@f8010000 {
  62                                 status = "okay";
  63                         };
  64
  65                         adc0: adc@f804c000 {
  66                                 atmel,adc-ts-wires = <4>;
  67                                 atmel,adc-ts-pressure-threshold = <10000>;
  68                                 status = "okay";
  69                         };
  70
  71                         pinctrl@fffff400 {
  72                                 mmc0 {
  73                                         pinctrl_board_mmc0: mmc0-board {
  74                                                 atmel,pins =
  75                                                         <AT91_PIOD 15 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;  /* PD15 gpio CD pin pull up and deglitch */
  76                                         };
  77                                 };
  78                         };
  79
  80                         watchdog@fffffe40 {
  81                                 status = "okay";
  82                         };
  83                 };
  84
  85                 ebi: ebi@10000000 {
  86                         pinctrl-0 = <&pinctrl_ebi_addr_nand
  87                                      &pinctrl_ebi_data_0_7>;
  88                         pinctrl-names = "default";
  89                         status = "okay";
  90
  91                         nand_controller: nand-controller {
  92                                 status = "okay";
  93                                 pinctrl-0 = <&pinctrl_nand_oe_we
  94                                              &pinctrl_nand_cs
  95                                              &pinctrl_nand_rb>;
  96                                 pinctrl-names = "default";
  97
  98                                 nand@3 {
  99                                         reg = <0x3 0x0 0x800000>;
 100                                         rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
 101                                         cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
 102                                         nand-bus-width = <8>;
 103                                         nand-ecc-mode = "hw";
 104                                         nand-ecc-strength = <4>;
 105                                         nand-ecc-step-size = <512>;
 106                                         nand-on-flash-bbt;
 107                                         label = "atmel_nand";
 108
 109                                         partitions {
 110                                                 compatible = "fixed-partitions";
 111                                                 #address-cells = <1>;
 112                                                 #size-cells = <1>;
 113
 114                                                 at91bootstrap@0 {
 115                                                         label = "at91bootstrap";
 116                                                         reg = <0x0 0x40000>;
 117                                                 };
 118
 119                                                 uboot@40000 {
 120                                                         label = "u-boot";
 121                                                         reg = <0x40000 0x80000>;
 122                                                 };
 123
 124                                                 ubootenv@c0000 {
 125                                                         label = "U-Boot Env";
 126                                                         reg = <0xc0000 0x140000>;
 127                                                 };
 128
 129                                                 kernel@200000 {
 130                                                         label = "kernel";
 131                                                         reg = <0x200000 0x600000>;
 132                                                 };
 133
 134                                                 rootfs@800000 {
 135                                                         label = "rootfs";
 136                                                         reg = <0x800000 0x0f800000>;
 137                                                 };
 138                                         };
 139                                 };
 140                         };
 141                 };
 142         };
 143 };