arch/arm/boot/dts/gemini-dlink-dir-685.dts

   1 /*
   2  * Device Tree file for D-Link DIR-685 Xtreme N Storage Router
   3  */
   4
   5 /dts-v1/;
   6
   7 #include "gemini.dtsi"
   8 #include <dt-bindings/input/input.h>
   9
  10 / {
  11         model = "D-Link DIR-685 Xtreme N Storage Router";
  12         compatible = "dlink,dir-685", "cortina,gemini";
  13         #address-cells = <1>;
  14         #size-cells = <1>;
  15
  16         memory@0 {
  17                 /* 128 MB SDRAM in 2 x Hynix HY5DU121622DTP-D43 */
  18                 device_type = "memory";
  19                 reg = <0x00000000 0x8000000>;
  20         };
  21
  22         chosen {
  23                 bootargs = "console=ttyS0,19200n8 root=/dev/sda1 rw rootwait";
  24                 stdout-path = "uart0:19200n8";
  25         };
  26
  27         gpio_keys {
  28                 compatible = "gpio-keys";
  29
  30                 button-esc {
  31                         debounce-interval = <50>;
  32                         wakeup-source;
  33                         linux,code = <KEY_ESC>;
  34                         label = "reset";
  35                         /* Collides with LPC_LAD[0], UART DCD, SSP 97RST */
  36                         gpios = <&gpio0 8 GPIO_ACTIVE_LOW>;
  37                 };
  38                 button-eject {
  39                         debounce-interval = <50>;
  40                         wakeup-source;
  41                         linux,code = <KEY_EJECTCD>;
  42                         label = "unmount";
  43                         /* Collides with LPC LFRAME, UART RTS, SSP TXD */
  44                         gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
  45                 };
  46         };
  47
  48         vdisp: regulator {
  49                 compatible = "regulator-fixed";
  50                 regulator-name = "display-power";
  51                 regulator-min-microvolt = <3600000>;
  52                 regulator-max-microvolt = <3600000>;
  53                 /* Collides with LCD E */
  54                 gpio = <&gpio0 16 GPIO_ACTIVE_HIGH>;
  55                 enable-active-high;
  56         };
  57
  58         spi {
  59                 compatible = "spi-gpio";
  60                 #address-cells = <1>;
  61                 #size-cells = <0>;
  62
  63                 /* Collides with IDE pins, that's cool (we do not use them) */
  64                 gpio-sck = <&gpio1 5 GPIO_ACTIVE_HIGH>;
  65                 gpio-miso = <&gpio1 8 GPIO_ACTIVE_HIGH>;
  66                 gpio-mosi = <&gpio1 7 GPIO_ACTIVE_HIGH>;
  67                 /* Collides with pflash CE1, not so cool */
  68                 cs-gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>;
  69                 num-chipselects = <1>;
  70
  71                 panel: display@0 {
  72                         compatible = "dlink,dir-685-panel", "ilitek,ili9322";
  73                         reg = <0>;
  74                         /* 50 ns min period = 20 MHz */
  75                         spi-max-frequency = <20000000>;
  76                         spi-cpol; /* Clock active low */
  77                         vcc-supply = <&vdisp>;
  78                         iovcc-supply = <&vdisp>;
  79                         vci-supply = <&vdisp>;
  80
  81                         port {
  82                                 panel_in: endpoint {
  83                                         remote-endpoint = <&display_out>;
  84                                 };
  85                         };
  86                 };
  87         };
  88
  89         leds {
  90                 compatible = "gpio-leds";
  91                 led-wps {
  92                         label = "dir685:blue:WPS";
  93                         /* Collides with ICE */
  94                         gpios = <&gpio0 7 GPIO_ACTIVE_LOW>;
  95                         default-state = "on";
  96                         linux,default-trigger = "heartbeat";
  97                 };
  98                 /*
  99                  * These two LEDs are on the side of the device.
 100                  * For electrical reasons, both LEDs cannot be active
 101                  * at the same time so only blue or orange can be on at
 102                  * one time. Enabling both makes the LED go dark.
 103                  * The LEDs both sit inside the unmount button and the
 104                  * label on the case says "unmount".
 105                  */
 106                 led-blue-hd {
 107                         label = "dir685:blue:HD";
 108                         /* Collides with LPC_SERIRQ, UART DTR, SSP FSC pins */
 109                         gpios = <&gpio0 11 GPIO_ACTIVE_HIGH>;
 110                         default-state = "off";
 111                         linux,default-trigger = "disk-read";
 112                 };
 113                 led-orange-hd {
 114                         label = "dir685:orange:HD";
 115                         /* Collides with LPC_LAD[2], UART DSR, SSP ECLK pins */
 116                         gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>;
 117                         default-state = "off";
 118                         linux,default-trigger = "disk-write";
 119                 };
 120         };
 121
 122         /*
 123          * This is a Sunon Maglev GM0502PFV2-8 cooling fan @10000 RPM.
 124          * Since the platform has no temperature sensor, this is controlled
 125          * from userspace by using the hard disks S.M.A.R.T. temperature
 126          * sensor. It is turned on when the temperature exceeds 46 degrees
 127          * and turned off when the temperatures goes below 41 degrees
 128          * (celsius).
 129          */
 130         gpio-fan {
 131                 compatible = "gpio-fan";
 132                 /* Collides with IDE */
 133                 gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>;
 134                 gpio-fan,speed-map = <0 0>, <10000 1>;
 135                 #cooling-cells = <2>;
 136         };
 137
 138         /*
 139          * The touchpad input is connected to a GPIO bit-banged
 140          * I2C bus.
 141          */
 142         gpio-i2c {
 143                 compatible = "i2c-gpio";
 144                 /* Collides with ICE */
 145                 sda-gpios = <&gpio0 5 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
 146                 scl-gpios = <&gpio0 6 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
 147                 #address-cells = <1>;
 148                 #size-cells = <0>;
 149
 150                 touchkeys@26 {
 151                         compatible = "dlink,dir685-touchkeys";
 152                         reg = <0x26>;
 153                         interrupt-parent = <&gpio0>;
 154                         /* Collides with NAND flash */
 155                         interrupts = <17 IRQ_TYPE_EDGE_FALLING>;
 156                 };
 157         };
 158
 159         soc {
 160                 flash@30000000 {
 161                         /*
 162                          * Flash access is by default disabled, because it
 163                          * collides with the Chip Enable signal for the display
 164                          * panel, that reuse the parallel flash Chip Select 1
 165                          * (CS1). Enabling flash makes graphics stop working.
 166                          *
 167                          * We might be able to hack around this by letting
 168                          * GPIO poke around in the flash controller registers.
 169                          */
 170                         /* status = "okay"; */
 171                         /* 32MB of flash */
 172                         reg = <0x30000000 0x02000000>;
 173
 174                         /*
 175                          * This "RedBoot" is the Storlink derivative.
 176                          */
 177                         partition@0 {
 178                                 label = "RedBoot";
 179                                 reg = <0x00000000 0x00040000>;
 180                                 read-only;
 181                         };
 182                         /*
 183                          * Between the boot loader and the rootfs is the kernel
 184                          * in a custom Storlink format flashed from the boot
 185                          * menu. The rootfs is in squashfs format.
 186                          */
 187                         partition@1800c0 {
 188                                 label = "rootfs";
 189                                 reg = <0x001800c0 0x01dbff40>;
 190                                 read-only;
 191                         };
 192                         partition@1f40000 {
 193                                 label = "upgrade";
 194                                 reg = <0x01f40000 0x00040000>;
 195                                 read-only;
 196                         };
 197                         partition@1f80000 {
 198                                 label = "rgdb";
 199                                 reg = <0x01f80000 0x00040000>;
 200                                 read-only;
 201                         };
 202                         /*
 203                          * This partition contains MAC addresses for WAN,
 204                          * WLAN and LAN, and the country code (for wireless
 205                          * I guess).
 206                          */
 207                         partition@1fc0000 {
 208                                 label = "nvram";
 209                                 reg = <0x01fc0000 0x00020000>;
 210                                 read-only;
 211                         };
 212                         partition@1fe0000 {
 213                                 label = "LangPack";
 214                                 reg = <0x01fe0000 0x00020000>;
 215                                 read-only;
 216                         };
 217                 };
 218
 219                 syscon: syscon@40000000 {
 220                         pinctrl {
 221                                 /*
 222                                  * gpio0bgrp cover line 5, 6 used by TK I2C
 223                                  * gpio0bgrp cover line 7 used by WPS LED
 224                                  * gpio0cgrp cover line 8, 13 used by keys
 225                                  *           and 11, 12 used by the HD LEDs
 226                                  * gpio0egrp cover line 16 used by VDISP
 227                                  * gpio0fgrp cover line 17 used by TK IRQ
 228                                  * gpio0ggrp cover line 20 used by panel CS
 229                                  * gpio0hgrp cover line 21,22 used by RTL8366RB
 230                                  */
 231                                 gpio0_default_pins: pinctrl-gpio0 {
 232                                         mux {
 233                                                 function = "gpio0";
 234                                                 groups = "gpio0bgrp",
 235                                                 "gpio0cgrp",
 236                                                 "gpio0egrp",
 237                                                 "gpio0fgrp",
 238                                                 "gpio0ggrp",
 239                                                 "gpio0hgrp";
 240                                         };
 241                                 };
 242                                 /*
 243                                  * gpio1bgrp cover line 5,8,7 used by panel SPI
 244                                  * also line 6 used by the fan
 245                                  *
 246                                  */
 247                                 gpio1_default_pins: pinctrl-gpio1 {
 248                                         mux {
 249                                                 function = "gpio1";
 250                                                 groups = "gpio1bgrp";
 251                                         };
 252                                 };
 253                         };
 254                 };
 255
 256                 sata: sata@46000000 {
 257                         cortina,gemini-ata-muxmode = <0>;
 258                         cortina,gemini-enable-sata-bridge;
 259                         status = "okay";
 260                 };
 261
 262                 gpio0: gpio@4d000000 {
 263                         pinctrl-names = "default";
 264                         pinctrl-0 = <&gpio0_default_pins>;
 265                 };
 266
 267                 gpio1: gpio@4e000000 {
 268                         pinctrl-names = "default";
 269                         pinctrl-0 = <&gpio1_default_pins>;
 270                 };
 271
 272                 pci@50000000 {
 273                         status = "okay";
 274                         interrupt-map-mask = <0xf800 0 0 7>;
 275                         interrupt-map =
 276                                 <0x4800 0 0 1 &pci_intc 0>, /* Slot 9 */
 277                                 <0x4800 0 0 2 &pci_intc 1>,
 278                                 <0x4800 0 0 3 &pci_intc 2>,
 279                                 <0x4800 0 0 4 &pci_intc 3>,
 280                                 <0x5000 0 0 1 &pci_intc 1>, /* Slot 10 */
 281                                 <0x5000 0 0 2 &pci_intc 2>,
 282                                 <0x5000 0 0 3 &pci_intc 3>,
 283                                 <0x5000 0 0 4 &pci_intc 0>,
 284                                 <0x5800 0 0 1 &pci_intc 2>, /* Slot 11 */
 285                                 <0x5800 0 0 2 &pci_intc 3>,
 286                                 <0x5800 0 0 3 &pci_intc 0>,
 287                                 <0x5800 0 0 4 &pci_intc 1>,
 288                                 <0x6000 0 0 1 &pci_intc 3>, /* Slot 12 */
 289                                 <0x6000 0 0 2 &pci_intc 0>,
 290                                 <0x6000 0 0 3 &pci_intc 1>,
 291                                 <0x6000 0 0 4 &pci_intc 2>;
 292                 };
 293
 294                 ata@63000000 {
 295                         status = "okay";
 296                 };
 297
 298                 display-controller@6a000000 {
 299                         status = "okay";
 300
 301                         port@0 {
 302                                 reg = <0>;
 303                                 display_out: endpoint {
 304                                         remote-endpoint = <&panel_in>;
 305                                 };
 306                         };
 307                 };
 308         };
 309 };