at91-cosino.dtsi

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    1 // SPDX-License-Identifier: GPL-2.0-or-later
    2 /*
    3  * at91-cosino.dtsi - Device Tree file for Cosino core module
    4  *
    5  * Copyright (C) 2013 - Rodolfo Giometti <giometti@linux.it>
    6  *                      HCE Engineering
    7  *
    8  * Derived from at91sam9x5ek.dtsi by:
    9  *      Copyright (C) 2012 Atmel,
   10  *      2012 Nicolas Ferre <nicolas.ferre@atmel.com>
   11  */
   12 
   13 #include "at91sam9g35.dtsi"
   14 
   15 / {
   16         model = "HCE Cosino core module";
   17         compatible = "hce,cosino", "atmel,at91sam9x5", "atmel,at91sam9";
   18 
   19         chosen {
   20                 bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootfstype=ext3 rootwait";
   21         };
   22 
   23         memory@20000000 {
   24                 reg = <0x20000000 0x8000000>;
   25         };
   26 
   27         clocks {
   28                 slow_xtal {
   29                         clock-frequency = <32768>;
   30                 };
   31 
   32                 main_xtal {
   33                         clock-frequency = <12000000>;
   34                 };
   35         };
   36 };
   37 
   38 &adc0 {
   39         atmel,adc-ts-wires = <4>;
   40         atmel,adc-ts-pressure-threshold = <10000>;
   41         status = "okay";
   42 };
   43 
   44 &dbgu {
   45         status = "okay";
   46 };
   47 
   48 &ebi {
   49         pinctrl-0 = <&pinctrl_ebi_addr_nand
   50                      &pinctrl_ebi_data_0_7>;
   51         pinctrl-names = "default";
   52         status = "okay";
   53 
   54         nand-controller {
   55                 pinctrl-0 = <&pinctrl_nand_oe_we
   56                              &pinctrl_nand_cs
   57                              &pinctrl_nand_rb>;
   58                 pinctrl-names = "default";
   59                 status = "okay";
   60 
   61                 nand@3 {
   62                         reg = <0x3 0x0 0x800000>;
   63                         rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
   64                         cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
   65                         nand-bus-width = <8>;
   66                         nand-ecc-mode = "hw";
   67                         nand-ecc-strength = <4>;
   68                         nand-ecc-step-size = <512>;
   69                         nand-on-flash-bbt;
   70                         label = "atmel_nand";
   71 
   72                         partitions {
   73                                 compatible = "fixed-partitions";
   74                                 #address-cells = <1>;
   75                                 #size-cells = <1>;
   76 
   77                                 at91bootstrap@0 {
   78                                         label = "at91bootstrap";
   79                                         reg = <0x0 0x40000>;
   80                                 };
   81 
   82                                 uboot@40000 {
   83                                         label = "u-boot";
   84                                         reg = <0x40000 0x80000>;
   85                                 };
   86 
   87                                 ubootenv@c0000 {
   88                                         label = "U-Boot Env";
   89                                         reg = <0xc0000 0x140000>;
   90                                 };
   91 
   92                                 kernel@200000 {
   93                                         label = "kernel";
   94                                         reg = <0x200000 0x600000>;
   95                                 };
   96 
   97                                 rootfs@800000 {
   98                                         label = "rootfs";
   99                                         reg = <0x800000 0x0f800000>;
  100                                 };
  101                         };
  102                 };
  103         };
  104 };
  105 
  106 &i2c0 {
  107         status = "okay";
  108 };
  109 
  110 &mmc0 {
  111         pinctrl-0 = <
  112                 &pinctrl_board_mmc0
  113                 &pinctrl_mmc0_slot0_clk_cmd_dat0
  114                 &pinctrl_mmc0_slot0_dat1_3>;
  115         pinctrl-names = "default";
  116         status = "okay";
  117 
  118         slot@0 {
  119                 reg = <0>;
  120                 bus-width = <4>;
  121                 cd-gpios = <&pioD 15 GPIO_ACTIVE_HIGH>;
  122         };
  123 };
  124 
  125 &pinctrl {
  126         mmc0 {
  127                 pinctrl_board_mmc0: mmc0-board {
  128                         atmel,pins =
  129                                 <AT91_PIOD 15 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;  /* PD15 gpio CD pin pull up and deglitch */
  130                 };
  131         };
  132 };
  133 
  134 &tcb0 {
  135         timer@0 {
  136                 compatible = "atmel,tcb-timer";
  137                 reg = <0>;
  138         };
  139 
  140         timer@1 {
  141                 compatible = "atmel,tcb-timer";
  142                 reg = <1>;
  143         };
  144 };
  145 
  146 &usart0 {
  147         status = "okay";
  148 };
  149 
  150 &watchdog {
  151         status = "okay";
  152 };

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sys/contrib/device-tree/src/arm/at91-cosino.dtsi