arch/arm/boot/dts/kirkwood-linkstation.dtsi

   1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
   2 /*
   3  * Device Tree common file for kirkwood based Buffalo Linkstation
   4  *
   5  * Copyright (C) 2015, 2016
   6  * Roger Shimizu <rogershimizu@gmail.com>
   7  */
   8
   9 / {
  10         chosen {
  11                 bootargs = "console=ttyS0,115200n8 earlyprintk";
  12                 stdout-path = &uart0;
  13         };
  14
  15         ocp@f1000000 {
  16                 pinctrl: pin-controller@10000 {
  17                         pmx_power_hdd0: pmx-power-hdd0 {
  18                                 marvell,function = "gpio";
  19                         };
  20                         pmx_usb_vbus: pmx-usb-vbus {
  21                                 marvell,function = "gpio";
  22                         };
  23                         pmx_led_alarm: pmx-led-alarm {
  24                                 marvell,function = "gpio";
  25                         };
  26                         pmx_led_function_red: pmx-led-function-red {
  27                                 marvell,function = "gpio";
  28                         };
  29                         pmx_led_function_blue: pmx-led-function-blue {
  30                                 marvell,function = "gpio";
  31                         };
  32                         pmx_led_info: pmx-led-info {
  33                                 marvell,function = "gpio";
  34                         };
  35                         pmx_led_power: pmx-led-power {
  36                                 marvell,function = "gpio";
  37                         };
  38                         pmx_button_function: pmx-button-function {
  39                                 marvell,function = "gpio";
  40                         };
  41                         pmx_power_switch: pmx-power-switch {
  42                                 marvell,function = "gpio";
  43                         };
  44                         pmx_power_auto_switch: pmx-power-auto-switch {
  45                                 marvell,function = "gpio";
  46                         };
  47                 };
  48
  49                 serial@12000 {
  50                         status = "okay";
  51                 };
  52
  53                 sata@80000 {
  54                         status = "okay";
  55                         nr-ports = <1>;
  56                 };
  57
  58                 spi@10600 {
  59                         status = "okay";
  60
  61                         m25p40@0 {
  62                                 #address-cells = <1>;
  63                                 #size-cells = <1>;
  64                                 compatible = "st,m25p40", "jedec,spi-nor";
  65                                 reg = <0>;
  66                                 spi-max-frequency = <25000000>;
  67                                 mode = <0>;
  68
  69                                 partition@0 {
  70                                         reg = <0x0 0x60000>;
  71                                         label = "uboot";
  72                                         read-only;
  73                                 };
  74
  75                                 partition@60000 {
  76                                         reg = <0x60000 0x10000>;
  77                                         label = "dtb";
  78                                         read-only;
  79                                 };
  80
  81                                 partition@70000 {
  82                                         reg = <0x70000 0x10000>;
  83                                         label = "uboot_env";
  84                                 };
  85                         };
  86                 };
  87         };
  88
  89         gpio_keys {
  90                 compatible = "gpio-keys";
  91                 #address-cells = <1>;
  92                 #size-cells = <0>;
  93                 pinctrl-0 = <&pmx_button_function &pmx_power_switch
  94                              &pmx_power_auto_switch>;
  95                 pinctrl-names = "default";
  96
  97                 function-button {
  98                         label = "Function Button";
  99                         linux,code = <KEY_OPTION>;
 100                 };
 101
 102                 power-on-switch {
 103                         label = "Power-on Switch";
 104                         linux,code = <KEY_RESERVED>;
 105                         linux,input-type = <5>;
 106                 };
 107
 108                 power-auto-switch {
 109                         label = "Power-auto Switch";
 110                         linux,code = <KEY_ESC>;
 111                         linux,input-type = <5>;
 112                 };
 113         };
 114
 115         gpio_leds {
 116                 compatible = "gpio-leds";
 117                 pinctrl-0 = <&pmx_led_function_red &pmx_led_alarm
 118                              &pmx_led_info &pmx_led_power
 119                              &pmx_led_function_blue>;
 120                 pinctrl-names = "default";
 121         };
 122
 123         restart_poweroff {
 124                 compatible = "restart-poweroff";
 125         };
 126
 127         regulators {
 128                 compatible = "simple-bus";
 129                 #address-cells = <1>;
 130                 #size-cells = <0>;
 131                 pinctrl-0 = <&pmx_power_hdd0 &pmx_usb_vbus>;
 132                 pinctrl-names = "default";
 133
 134                 usb_power: regulator@1 {
 135                         compatible = "regulator-fixed";
 136                         reg = <1>;
 137                         regulator-name = "USB Power";
 138                         regulator-min-microvolt = <5000000>;
 139                         regulator-max-microvolt = <5000000>;
 140                         enable-active-high;
 141                         regulator-always-on;
 142                         regulator-boot-on;
 143                 };
 144
 145                 hdd_power0: regulator@2 {
 146                         compatible = "regulator-fixed";
 147                         reg = <2>;
 148                         regulator-name = "HDD0 Power";
 149                         regulator-min-microvolt = <5000000>;
 150                         regulator-max-microvolt = <5000000>;
 151                         enable-active-high;
 152                         regulator-always-on;
 153                         regulator-boot-on;
 154                 };
 155         };
 156 };
 157
 158 &pciec {
 159         status = "okay";
 160 };
 161
 162 &pcie0 {
 163         status = "okay";
 164 };