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         mbus {
  32                 pcie-controller {
  33                         status = "okay";
  34
  35                         pcie@1,0 {
  36                                 status = "okay";
  37                         };
  38                 };
  39         };
  40
  41         ocp@f1000000 {
  42                 rtc@10300 {
  43                         /* The on-chip RTC is not powered (no supercap). */
  44                         status = "disabled";
  45                 };
  46                 spi@10600 {
  47                         /*
  48                          * A NAND flash is used instead of an SPI flash for
  49                          * the other netxbig-compatible boards.
  50                          */
  51                         status = "disabled";
  52                 };
  53         };
  54
  55         fan {
  56                 /*
  57                  * An I2C fan controller (GMT G762) is used but alarm is
  58                  * wired to a separate GPIO.
  59                  */
  60                 compatible = "gpio-fan";
  61                 alarm-gpios = <&gpio0 25 GPIO_ACTIVE_LOW>;
  62         };
  63
  64         regulators: regulators {
  65                 status = "okay";
  66                 compatible = "simple-bus";
  67                 #address-cells = <1>;
  68                 #size-cells = <0>;
  69                 pinctrl-names = "default";
  70
  71                 regulator@2 {
  72                         compatible = "regulator-fixed";
  73                         reg = <2>;
  74                         regulator-name = "hdd1power";
  75                         regulator-min-microvolt = <5000000>;
  76                         regulator-max-microvolt = <5000000>;
  77                         enable-active-high;
  78                         regulator-always-on;
  79                         regulator-boot-on;
  80                         gpio = <&gpio0 17 GPIO_ACTIVE_HIGH>;
  81                 };
  82                 clocks {
  83                         g762_clk: g762-oscillator {
  84                                 compatible = "fixed-clock";
  85                                 #clock-cells = <0>;
  86                                 clock-frequency = <32768>;
  87                         };
  88                 };
  89         };
  90 };
  91
  92 &mdio {
  93         status = "okay";
  94
  95         ethphy0: ethernet-phy@0 {
  96                 reg = <0>;
  97         };
  98 };
  99
 100 &i2c0 {
 101         status = "okay";
 102
 103         /*
 104          * An external I2C RTC (Dallas DS1337S+) is used. This allows
 105          * to power-up the board on an RTC alarm. The external RTC can
 106          * be kept powered, even when the SoC is off.
 107          */
 108         rtc@68 {
 109                 compatible = "dallas,ds1307";
 110                 reg = <0x68>;
 111                 interrupts = <43>;
 112         };
 113         g762@3e {
 114                 compatible = "gmt,g762";
 115                 reg = <0x3e>;
 116                 clocks = <&g762_clk>;
 117         };
 118 };
 119
 120 &nand {
 121         chip-delay = <50>;
 122         status = "okay";
 123
 124         partition@0 {
 125                 label = "U-Boot";
 126                 reg = <0x0 0x100000>;
 127         };
 128
 129         partition@100000 {
 130                 label = "uImage";
 131                 reg = <0x100000 0x1000000>;
 132         };
 133
 134         partition@1100000 {
 135                 label = "root";
 136                 reg = <0x1100000 0x8000000>;
 137         };
 138
 139         partition@9100000 {
 140                 label = "unused";
 141                 reg = <0x9100000 0x6f00000>;
 142         };
 143 };