kirkwood-nas2big.dts

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    1 // SPDX-License-Identifier: GPL-2.0
    2 /*
    3  * Device Tree file for LaCie 2Big NAS
    4  *
    5  * Copyright (C) 2015 Seagate
    6  *
    7  * Author: Simon Guinot <simon.guinot@sequanux.org>
    8  *
    9 */
   10 
   11 /dts-v1/;
   12 
   13 #include "kirkwood-netxbig.dtsi"
   14 
   15 / {
   16         model = "LaCie 2Big NAS";
   17         compatible = "lacie,nas2big", "lacie,netxbig", "marvell,kirkwood-88f6282", "marvell,kirkwood";
   18 
   19         memory {
   20                 device_type = "memory";
   21                 reg = <0x00000000 0x10000000>;
   22         };
   23 
   24         chosen {
   25                 bootargs = "console=ttyS0,115200n8";
   26                 stdout-path = &uart0;
   27         };
   28 
   29         ocp@f1000000 {
   30                 rtc@10300 {
   31                         /* The on-chip RTC is not powered (no supercap). */
   32                         status = "disabled";
   33                 };
   34                 spi@10600 {
   35                         /*
   36                          * A NAND flash is used instead of an SPI flash for
   37                          * the other netxbig-compatible boards.
   38                          */
   39                         status = "disabled";
   40                 };
   41         };
   42 
   43         fan {
   44                 /*
   45                  * An I2C fan controller (GMT G762) is used but alarm is
   46                  * wired to a separate GPIO.
   47                  */
   48                 compatible = "gpio-fan";
   49                 alarm-gpios = <&gpio0 25 GPIO_ACTIVE_LOW>;
   50         };
   51 
   52         regulators: regulators {
   53                 status = "okay";
   54                 compatible = "simple-bus";
   55                 #address-cells = <1>;
   56                 #size-cells = <0>;
   57                 pinctrl-names = "default";
   58 
   59                 regulator@2 {
   60                         compatible = "regulator-fixed";
   61                         reg = <2>;
   62                         regulator-name = "hdd1power";
   63                         regulator-min-microvolt = <5000000>;
   64                         regulator-max-microvolt = <5000000>;
   65                         enable-active-high;
   66                         regulator-always-on;
   67                         regulator-boot-on;
   68                         gpio = <&gpio0 17 GPIO_ACTIVE_HIGH>;
   69                 };
   70                 clocks {
   71                         g762_clk: g762-oscillator {
   72                                 compatible = "fixed-clock";
   73                                 #clock-cells = <0>;
   74                                 clock-frequency = <32768>;
   75                         };
   76                 };
   77         };
   78 };
   79 
   80 &mdio {
   81         status = "okay";
   82 
   83         ethphy0: ethernet-phy@0 {
   84                 reg = <0>;
   85         };
   86 };
   87 
   88 &i2c0 {
   89         status = "okay";
   90 
   91         /*
   92          * An external I2C RTC (Dallas DS1337S+) is used. This allows
   93          * to power-up the board on an RTC alarm. The external RTC can
   94          * be kept powered, even when the SoC is off.
   95          */
   96         rtc@68 {
   97                 compatible = "dallas,ds1307";
   98                 reg = <0x68>;
   99                 interrupts = <43>;
  100         };
  101         g762@3e {
  102                 compatible = "gmt,g762";
  103                 reg = <0x3e>;
  104                 clocks = <&g762_clk>;
  105         };
  106 };
  107 
  108 &nand {
  109         chip-delay = <50>;
  110         status = "okay";
  111 
  112         partition@0 {
  113                 label = "U-Boot";
  114                 reg = <0x0 0x100000>;
  115         };
  116 
  117         partition@100000 {
  118                 label = "uImage";
  119                 reg = <0x100000 0x1000000>;
  120         };
  121 
  122         partition@1100000 {
  123                 label = "root";
  124                 reg = <0x1100000 0x8000000>;
  125         };
  126 
  127         partition@9100000 {
  128                 label = "unused";
  129                 reg = <0x9100000 0x6f00000>;
  130         };
  131 };
  132 
  133 &pciec {
  134         status = "okay";
  135 };
  136 
  137 &pcie0 {
  138         status = "okay";
  139 };

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