at91sam9x5cm.dtsi

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    1 // SPDX-License-Identifier: GPL-2.0-or-later
    2 /*
    3  * at91sam9x5cm.dtsi - Device Tree Include file for AT91SAM9x5 CPU Module
    4  *
    5  *  Copyright (C) 2012 Atmel,
    6  *                2012 Nicolas Ferre <nicolas.ferre@atmel.com>
    7  */
    8 
    9 / {
   10         memory@20000000 {
   11                 reg = <0x20000000 0x8000000>;
   12         };
   13 
   14         clocks {
   15                 slow_xtal {
   16                         clock-frequency = <32768>;
   17                 };
   18 
   19                 main_xtal {
   20                         clock-frequency = <12000000>;
   21                 };
   22         };
   23 
   24         ahb {
   25                 apb {
   26                         tcb0: timer@f8008000 {
   27                                 timer@0 {
   28                                         compatible = "atmel,tcb-timer";
   29                                         reg = <0>;
   30                                 };
   31 
   32                                 timer@1 {
   33                                         compatible = "atmel,tcb-timer";
   34                                         reg = <1>;
   35                                 };
   36                         };
   37 
   38                         pinctrl@fffff400 {
   39                                 1wire_cm {
   40                                         pinctrl_1wire_cm: 1wire_cm-0 {
   41                                                 atmel,pins = <AT91_PIOB 18 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>; /* PB18 multidrive, conflicts with led */
   42                                         };
   43                                 };
   44                         };
   45 
   46                         rtc@fffffeb0 {
   47                                 status = "okay";
   48                         };
   49                 };
   50 
   51                 ebi: ebi@10000000 {
   52                         pinctrl-0 = <&pinctrl_ebi_addr_nand
   53                                      &pinctrl_ebi_data_0_7>;
   54                         pinctrl-names = "default";
   55                         status = "okay";
   56 
   57                         nand_controller: nand-controller {
   58                                 status = "okay";
   59                                 pinctrl-0 = <&pinctrl_nand_oe_we
   60                                              &pinctrl_nand_cs
   61                                              &pinctrl_nand_rb>;
   62                                 pinctrl-names = "default";
   63 
   64                                 nand@3 {
   65                                         reg = <0x3 0x0 0x800000>;
   66                                         rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
   67                                         cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
   68                                         nand-bus-width = <8>;
   69                                         nand-ecc-mode = "hw";
   70                                         nand-ecc-strength = <2>;
   71                                         nand-ecc-step-size = <512>;
   72                                         nand-on-flash-bbt;
   73                                         label = "atmel_nand";
   74 
   75                                         partitions {
   76                                                 compatible = "fixed-partitions";
   77                                                 #address-cells = <1>;
   78                                                 #size-cells = <1>;
   79 
   80                                                 at91bootstrap@0 {
   81                                                         label = "at91bootstrap";
   82                                                         reg = <0x0 0x40000>;
   83                                                 };
   84 
   85                                                 uboot@40000 {
   86                                                         label = "u-boot";
   87                                                         reg = <0x40000 0xc0000>;
   88                                                 };
   89 
   90                                                 ubootenvred@100000 {
   91                                                         label = "U-Boot Env Redundant";
   92                                                         reg = <0x100000 0x40000>;
   93                                                 };
   94 
   95                                                 ubootenv@140000 {
   96                                                         label = "U-Boot Env";
   97                                                         reg = <0x140000 0x40000>;
   98                                                 };
   99 
  100                                                 dtb@180000 {
  101                                                         label = "device tree";
  102                                                         reg = <0x180000 0x80000>;
  103                                                 };
  104 
  105                                                 kernel@200000 {
  106                                                         label = "kernel";
  107                                                         reg = <0x200000 0x600000>;
  108                                                 };
  109 
  110                                                 rootfs@800000 {
  111                                                         label = "rootfs";
  112                                                         reg = <0x800000 0x0f800000>;
  113                                                 };
  114                                         };
  115                                 };
  116                         };
  117                 };
  118         };
  119 
  120         leds {
  121                 compatible = "gpio-leds";
  122 
  123                 pb18 {
  124                         label = "pb18";
  125                         gpios = <&pioB 18 GPIO_ACTIVE_LOW>;
  126                         linux,default-trigger = "heartbeat";
  127                 };
  128 
  129                 pd21 {
  130                         label = "pd21";
  131                         gpios = <&pioD 21 GPIO_ACTIVE_HIGH>;
  132                 };
  133         };
  134 
  135         1wire_cm {
  136                 compatible = "w1-gpio";
  137                 gpios = <&pioB 18 GPIO_ACTIVE_HIGH>;
  138                 linux,open-drain;
  139                 pinctrl-names = "default";
  140                 pinctrl-0 = <&pinctrl_1wire_cm>;
  141                 status = "okay";
  142         };
  143 
  144 };

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