arch/arm/boot/dts/kirkwood-t5325.dts

   1 /*
   2  * Device Tree file for HP t5325 Thin Client"
   3  *
   4  * Copyright (C) 2014
   5  *
   6  * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
   7  * Andrew Lunn <andrew@lunn.ch>
   8  *
   9  * This file is licensed under the terms of the GNU General Public
  10  * License version 2.  This program is licensed "as is" without any
  11  * warranty of any kind, whether express or implied.
  12 */
  13
  14 /dts-v1/;
  15
  16 #include "kirkwood.dtsi"
  17 #include "kirkwood-6281.dtsi"
  18
  19 / {
  20         model = "HP t5325 Thin Client";
  21         compatible = "hp,t5325", "marvell,kirkwood-88f6281", "marvell,kirkwood";
  22
  23         memory {
  24                 device_type = "memory";
  25                 reg = <0x00000000 0x20000000>;
  26         };
  27
  28         chosen {
  29                 bootargs = "console=ttyS0,115200n8";
  30                 stdout-path = &uart0;
  31         };
  32
  33         mbus {
  34                 pcie-controller {
  35                         status = "okay";
  36
  37                         pcie@1,0 {
  38                                 status = "okay";
  39                         };
  40                 };
  41         };
  42
  43         ocp@f1000000 {
  44                 pinctrl: pinctrl@10000 {
  45                         pinctrl-0 = <&pmx_i2s &pmx_sysrst>;
  46                         pinctrl-names = "default";
  47
  48                         pmx_button_power: pmx-button_power {
  49                                 marvell,pins = "mpp45";
  50                                 marvell,function = "gpio";
  51                         };
  52
  53                         pmx_power_off: pmx-power-off {
  54                                 marvell,pins = "mpp48";
  55                                 marvell,function = "gpio";
  56                         };
  57
  58                         pmx_led: pmx-led {
  59                                 marvell,pins = "mpp21";
  60                                 marvell,function = "gpio";
  61                         };
  62
  63                         pmx_usb_sata_power_enable: pmx-usb-sata-power-enable {
  64                                 marvell,pins = "mpp44";
  65                                 marvell,function = "gpio";
  66                         };
  67
  68                         /*
  69                          * Redefined from kirkwood-6281.dtsi, because
  70                          * we don't use SPI CS on MPP0, but on MPP7.
  71                          */
  72                         pmx_spi: pmx-spi {
  73                                 marvell,pins = "mpp1", "mpp2", "mpp3", "mpp7";
  74                                 marvell,function = "spi";
  75                         };
  76
  77                         pmx_sysrst: pmx-sysrst {
  78                                 marvell,pins = "mpp6";
  79                                 marvell,function = "sysrst";
  80                         };
  81
  82                         pmx_i2s: pmx-i2s {
  83                                 marvell,pins = "mpp39", "mpp40", "mpp41", "mpp42",
  84                                                "mpp43";
  85                                 marvell,function = "audio";
  86                         };
  87                 };
  88
  89                 spi@10600 {
  90                         pinctrl-0 = <&pmx_spi>;
  91                         pinctrl-names = "default";
  92                         status = "okay";
  93
  94                         flash@0 {
  95                                 #address-cells = <1>;
  96                                 #size-cells = <1>;
  97                                 compatible = "st,m25p80";
  98                                 spi-max-frequency = <86000000>;
  99                                 reg = <0>;
 100                                 mode = <0>;
 101
 102                                 partition@0 {
 103                                         reg = <0x0 0x80000>;
 104                                         label = "u-boot";
 105                                 };
 106
 107                                 partition@1 {
 108                                         reg = <0x80000 0x40000>;
 109                                         label = "SSD firmware";
 110                                 };
 111
 112                                 partition@2 {
 113                                         reg = <0xc0000 0x10000>;
 114                                         label = "u-boot env";
 115                                 };
 116
 117                                 partition@3 {
 118                                         reg = <0xd0000 0x10000>;
 119                                         label = "permanent u-boot env";
 120                                 };
 121
 122                                 partition@4 {
 123                                         reg = <0xd0000 0x10000>;
 124                                         label = "permanent u-boot env";
 125                                 };
 126                         };
 127                 };
 128
 129                 i2c@11000 {
 130                         status = "okay";
 131
 132                         alc5621: alc5621@1a {
 133                                 compatible = "realtek,alc5621";
 134                                 reg = <0x1a>;
 135                         };
 136                 };
 137
 138                 serial@12000 {
 139                         status = "okay";
 140                 };
 141
 142                 sata@80000 {
 143                         status = "okay";
 144                         nr-ports = <2>;
 145                 };
 146
 147                 audio: audio-controller@a0000 {
 148                         status = "okay";
 149                 };
 150         };
 151
 152         regulators {
 153                 compatible = "simple-bus";
 154                 #address-cells = <1>;
 155                 #size-cells = <0>;
 156                 pinctrl-0 = <&pmx_usb_sata_power_enable>;
 157                 pinctrl-names = "default";
 158
 159                 usb_power: regulator@1 {
 160                         compatible = "regulator-fixed";
 161                         reg = <1>;
 162                         regulator-name = "USB-SATA Power";
 163                         regulator-min-microvolt = <5000000>;
 164                         regulator-max-microvolt = <5000000>;
 165                         enable-active-high;
 166                         regulator-always-on;
 167                         regulator-boot-on;
 168                         gpio = <&gpio1 12 GPIO_ACTIVE_HIGH>;
 169                 };
 170         };
 171
 172         gpio_keys {
 173                 compatible = "gpio-keys";
 174                 #address-cells = <1>;
 175                 #size-cells = <0>;
 176                 pinctrl-0 = <&pmx_button_power>;
 177                 pinctrl-names = "default";
 178
 179                 button@1 {
 180                         label = "Power Button";
 181                         linux,code = <KEY_POWER>;
 182                         gpios = <&gpio1 13 GPIO_ACTIVE_HIGH>;
 183                 };
 184         };
 185
 186         gpio_poweroff {
 187                 compatible = "gpio-poweroff";
 188                 pinctrl-0 = <&pmx_power_off>;
 189                 pinctrl-names = "default";
 190                 gpios = <&gpio1 17 GPIO_ACTIVE_HIGH>;
 191         };
 192
 193 };
 194
 195 &mdio {
 196         status = "okay";
 197
 198         ethphy0: ethernet-phy {
 199                 device_type = "ethernet-phy";
 200                 reg = <8>;
 201         };
 202 };
 203
 204 &eth0 {
 205         status = "okay";
 206         ethernet0-port@0 {
 207                 phy-handle = <&ethphy0>;
 208         };
 209 };