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

   1 /*
   2  * Device Tree file for LaCie 2Big NAS
   3  *
   4  * Copyright (C) 2015 Seagate
   5  *
   6  * Author: Simon Guinot <simon.guinot@sequanux.org>
   7  *
   8  * This file is licensed under the terms of the GNU General Public
   9  * License version 2.  This program is licensed "as is" without any
  10  * warranty of any kind, whether express or implied.
  11 */
  12
  13 /dts-v1/;
  14
  15 #include "kirkwood-netxbig.dtsi"
  16
  17 / {
  18         model = "LaCie 2Big NAS";
  19         compatible = "lacie,nas2big", "lacie,netxbig", "marvell,kirkwood-88f6282", "marvell,kirkwood";
  20
  21         memory {
  22                 device_type = "memory";
  23                 reg = <0x00000000 0x10000000>;
  24         };
  25
  26         chosen {
  27                 bootargs = "console=ttyS0,115200n8";
  28                 stdout-path = &uart0;
  29         };
  30
  31         ocp@f1000000 {
  32                 rtc@10300 {
  33                         /* The on-chip RTC is not powered (no supercap). */
  34                         status = "disabled";
  35                 };
  36                 spi@10600 {
  37                         /*
  38                          * A NAND flash is used instead of an SPI flash for
  39                          * the other netxbig-compatible boards.
  40                          */
  41                         status = "disabled";
  42                 };
  43         };
  44
  45         fan {
  46                 /*
  47                  * An I2C fan controller (GMT G762) is used but alarm is
  48                  * wired to a separate GPIO.
  49                  */
  50                 compatible = "gpio-fan";
  51                 alarm-gpios = <&gpio0 25 GPIO_ACTIVE_LOW>;
  52         };
  53
  54         regulators: regulators {
  55                 status = "okay";
  56                 compatible = "simple-bus";
  57                 #address-cells = <1>;
  58                 #size-cells = <0>;
  59                 pinctrl-names = "default";
  60
  61                 regulator@2 {
  62                         compatible = "regulator-fixed";
  63                         reg = <2>;
  64                         regulator-name = "hdd1power";
  65                         regulator-min-microvolt = <5000000>;
  66                         regulator-max-microvolt = <5000000>;
  67                         enable-active-high;
  68                         regulator-always-on;
  69                         regulator-boot-on;
  70                         gpio = <&gpio0 17 GPIO_ACTIVE_HIGH>;
  71                 };
  72                 clocks {
  73                         g762_clk: g762-oscillator {
  74                                 compatible = "fixed-clock";
  75                                 #clock-cells = <0>;
  76                                 clock-frequency = <32768>;
  77                         };
  78                 };
  79         };
  80 };
  81
  82 &mdio {
  83         status = "okay";
  84
  85         ethphy0: ethernet-phy@0 {
  86                 reg = <0>;
  87         };
  88 };
  89
  90 &i2c0 {
  91         status = "okay";
  92
  93         /*
  94          * An external I2C RTC (Dallas DS1337S+) is used. This allows
  95          * to power-up the board on an RTC alarm. The external RTC can
  96          * be kept powered, even when the SoC is off.
  97          */
  98         rtc@68 {
  99                 compatible = "dallas,ds1307";
 100                 reg = <0x68>;
 101                 interrupts = <43>;
 102         };
 103         g762@3e {
 104                 compatible = "gmt,g762";
 105                 reg = <0x3e>;
 106                 clocks = <&g762_clk>;
 107         };
 108 };
 109
 110 &nand {
 111         chip-delay = <50>;
 112         status = "okay";
 113
 114         partition@0 {
 115                 label = "U-Boot";
 116                 reg = <0x0 0x100000>;
 117         };
 118
 119         partition@100000 {
 120                 label = "uImage";
 121                 reg = <0x100000 0x1000000>;
 122         };
 123
 124         partition@1100000 {
 125                 label = "root";
 126                 reg = <0x1100000 0x8000000>;
 127         };
 128
 129         partition@9100000 {
 130                 label = "unused";
 131                 reg = <0x9100000 0x6f00000>;
 132         };
 133 };
 134
 135 &pciec {
 136         status = "okay";
 137 };
 138
 139 &pcie0 {
 140         status = "okay";
 141 };