arch/arm/boot/dts/kirkwood-nas2big.dts

   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 };