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                         tcb0: timer@f8008000 {
  41                                 timer@0 {
  42                                         compatible = "atmel,tcb-timer";
  43                                         reg = <0>;
  44                                 };
  45
  46                                 timer@1 {
  47                                         compatible = "atmel,tcb-timer";
  48                                         reg = <1>;
  49                                 };
  50                         };
  51
  52                         mmc0: mmc@f0008000 {
  53                                 pinctrl-0 = <
  54                                         &pinctrl_board_mmc0
  55                                         &pinctrl_mmc0_slot0_clk_cmd_dat0
  56                                         &pinctrl_mmc0_slot0_dat1_3>;
  57                                 status = "okay";
  58                                 slot@0 {
  59                                         reg = <0>;
  60                                         bus-width = <4>;
  61                                         cd-gpios = <&pioD 15 GPIO_ACTIVE_HIGH>;
  62                                 };
  63                         };
  64
  65                         dbgu: serial@fffff200 {
  66                                 status = "okay";
  67                         };
  68
  69                         usart0: serial@f801c000 {
  70                                 status = "okay";
  71                         };
  72
  73                         i2c0: i2c@f8010000 {
  74                                 status = "okay";
  75                         };
  76
  77                         adc0: adc@f804c000 {
  78                                 atmel,adc-ts-wires = <4>;
  79                                 atmel,adc-ts-pressure-threshold = <10000>;
  80                                 status = "okay";
  81                         };
  82
  83                         pinctrl@fffff400 {
  84                                 mmc0 {
  85                                         pinctrl_board_mmc0: mmc0-board {
  86                                                 atmel,pins =
  87                                                         <AT91_PIOD 15 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;  /* PD15 gpio CD pin pull up and deglitch */
  88                                         };
  89                                 };
  90                         };
  91
  92                         watchdog@fffffe40 {
  93                                 status = "okay";
  94                         };
  95                 };
  96
  97                 ebi: ebi@10000000 {
  98                         pinctrl-0 = <&pinctrl_ebi_addr_nand
  99                                      &pinctrl_ebi_data_0_7>;
 100                         pinctrl-names = "default";
 101                         status = "okay";
 102
 103                         nand_controller: nand-controller {
 104                                 status = "okay";
 105                                 pinctrl-0 = <&pinctrl_nand_oe_we
 106                                              &pinctrl_nand_cs
 107                                              &pinctrl_nand_rb>;
 108                                 pinctrl-names = "default";
 109
 110                                 nand@3 {
 111                                         reg = <0x3 0x0 0x800000>;
 112                                         rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
 113                                         cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
 114                                         nand-bus-width = <8>;
 115                                         nand-ecc-mode = "hw";
 116                                         nand-ecc-strength = <4>;
 117                                         nand-ecc-step-size = <512>;
 118                                         nand-on-flash-bbt;
 119                                         label = "atmel_nand";
 120
 121                                         partitions {
 122                                                 compatible = "fixed-partitions";
 123                                                 #address-cells = <1>;
 124                                                 #size-cells = <1>;
 125
 126                                                 at91bootstrap@0 {
 127                                                         label = "at91bootstrap";
 128                                                         reg = <0x0 0x40000>;
 129                                                 };
 130
 131                                                 uboot@40000 {
 132                                                         label = "u-boot";
 133                                                         reg = <0x40000 0x80000>;
 134                                                 };
 135
 136                                                 ubootenv@c0000 {
 137                                                         label = "U-Boot Env";
 138                                                         reg = <0xc0000 0x140000>;
 139                                                 };
 140
 141                                                 kernel@200000 {
 142                                                         label = "kernel";
 143                                                         reg = <0x200000 0x600000>;
 144                                                 };
 145
 146                                                 rootfs@800000 {
 147                                                         label = "rootfs";
 148                                                         reg = <0x800000 0x0f800000>;
 149                                                 };
 150                                         };
 151                                 };
 152                         };
 153                 };
 154         };
 155 };