/*
* Device Tree file for D-Link DIR-685 Xtreme N Storage Router
*/
/dts-v1/;
#include "gemini.dtsi"
#include <dt-bindings/input/input.h>
/ {
model = "D-Link DIR-685 Xtreme N Storage Router";
compatible = "dlink,dir-685", "cortina,gemini";
#address-cells = <1>;
#size-cells = <1>;
memory {
/* 128 MB SDRAM in 2 x Hynix HY5DU121622DTP-D43 */
device_type = "memory";
reg = <0x00000000 0x8000000>;
};
chosen {
stdout-path = "uart0:115200n8";
};
gpio_keys {
compatible = "gpio-keys";
#address-cells = <1>;
#size-cells = <0>;
button-esc {
debounce_interval = <50>;
wakeup-source;
linux,code = <KEY_ESC>;
label = "reset";
/* Collides with LPC_LAD[0], UART DCD, SSP 97RST */
gpios = <&gpio0 8 GPIO_ACTIVE_LOW>;
};
button-eject {
debounce_interval = <50>;
wakeup-source;
linux,code = <KEY_EJECTCD>;
label = "unmount";
/* Collides with LPC LFRAME, UART RTS, SSP TXD */
gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
};
};
vdisp: regulator {
compatible = "regulator-fixed";
regulator-name = "display-power";
regulator-min-microvolt = <3600000>;
regulator-max-microvolt = <3600000>;
/* Collides with LCD E */
gpio = <&gpio0 16 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
spi {
compatible = "spi-gpio";
#address-cells = <1>;
#size-cells = <0>;
/* Collides with IDE pins, that's cool (we do not use them) */
gpio-sck = <&gpio1 5 GPIO_ACTIVE_HIGH>;
gpio-miso = <&gpio1 8 GPIO_ACTIVE_HIGH>;
gpio-mosi = <&gpio1 7 GPIO_ACTIVE_HIGH>;
/* Collides with pflash CE1, not so cool */
cs-gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>;
num-chipselects = <1>;
panel: display@0 {
compatible = "dlink,dir-685-panel", "ilitek,ili9322";
reg = <0>;
/* 50 ns min period = 20 MHz */
spi-max-frequency = <20000000>;
spi-cpol; /* Clock active low */
vcc-supply = <&vdisp>;
iovcc-supply = <&vdisp>;
vci-supply = <&vdisp>;
port {
panel_in: endpoint {
remote-endpoint = <&display_out>;
};
};
};
};
leds {
compatible = "gpio-leds";
led-wps {
label = "dir685:blue:WPS";
/* Collides with ICE */
gpios = <&gpio0 7 GPIO_ACTIVE_LOW>;
default-state = "on";
linux,default-trigger = "heartbeat";
};
/*
* These two LEDs are on the side of the device.
* For electrical reasons, both LEDs cannot be active
* at the same time so only blue or orange can on at
* one time. Enabling both makes the LED go dark.
* The LEDs both sit inside the unmount button and the
* label on the case says "unmount".
*/
led-blue-hd {
label = "dir685:blue:HD";
/* Collides with LPC_SERIRQ, UART DTR, SSP FSC pins */
gpios = <&gpio0 11 GPIO_ACTIVE_HIGH>;
default-state = "off";
};
led-orange-hd {
label = "dir685:orange:HD";
/* Collides with LPC_LAD[2], UART DSR, SSP ECLK pins */
gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>;
default-state = "off";
};
};
/*
* This is a Sunon Maglev GM0502PFV2-8 cooling fan @10000 RPM.
* Since the platform has no temperature sensor, this is controlled
* from userspace by using the hard disks S.M.A.R.T. temperature
* sensor. It is turned on when the temperature exceeds 46 degrees
* and turned off when the temperatures goes below 41 degrees
* (celsius).
*/
gpio-fan {
compatible = "gpio-fan";
/* Collides with IDE */
gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>;
gpio-fan,speed-map = <0 0>, <10000 1>;
#cooling-cells = <2>;
};
/*
* The touchpad input is connected to a GPIO bit-banged
* I2C bus.
*/
gpio-i2c {
compatible = "i2c-gpio";
/* Collides with ICE */
sda-gpios = <&gpio0 5 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
scl-gpios = <&gpio0 6 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
#address-cells = <1>;
#size-cells = <0>;
touchkeys@26 {
compatible = "dlink,dir685-touchkeys";
reg = <0x26>;
interrupt-parent = <&gpio0>;
/* Collides with NAND flash */
interrupts = <17 IRQ_TYPE_EDGE_FALLING>;
};
};
soc {
flash@30000000 {
/*
* Flash access is by default disabled, because it
* collides with the Chip Enable signal for the display
* panel, that reuse the parallel flash Chip Select 1
* (CS1). Enabling flash makes graphics stop working.
*
* We might be able to hack around this by letting
* GPIO poke around in the flash controller registers.
*/
/* status = "okay"; */
/* 32MB of flash */
reg = <0x30000000 0x02000000>;
/*
* This "RedBoot" is the Storlink derivative.
*/
partition@0 {
label = "RedBoot";
reg = <0x00000000 0x00040000>;
read-only;
};
/*
* Between the boot loader and the rootfs is the kernel
* in a custom Storlink format flashed from the boot
* menu. The rootfs is in squashfs format.
*/
partition@1800c0 {
label = "rootfs";
reg = <0x001800c0 0x01dbff40>;
read-only;
};
partition@1f40000 {
label = "upgrade";
reg = <0x01f40000 0x00040000>;
read-only;
};
partition@1f80000 {
label = "rgdb";
reg = <0x01f80000 0x00040000>;
read-only;
};
/*
* This partition contains MAC addresses for WAN,
* WLAN and LAN, and the country code (for wireless
* I guess).
*/
partition@1fc0000 {
label = "nvram";
reg = <0x01fc0000 0x00020000>;
read-only;
};
partition@1fe0000 {
label = "LangPack";
reg = <0x01fe0000 0x00020000>;
read-only;
};
};
syscon: syscon@40000000 {
pinctrl {
/*
* gpio0bgrp cover line 5, 6 used by TK I2C
* gpio0bgrp cover line 7 used by WPS LED
* gpio0cgrp cover line 8, 13 used by keys
* and 11, 12 used by the HD LEDs
* gpio0egrp cover line 16 used by VDISP
* gpio0fgrp cover line 17 used by TK IRQ
* gpio0ggrp cover line 20 used by panel CS
* gpio0hgrp cover line 21,22 used by RTL8366RB
*/
gpio0_default_pins: pinctrl-gpio0 {
mux {
function = "gpio0";
groups = "gpio0bgrp",
"gpio0cgrp",
"gpio0egrp",
"gpio0fgrp",
"gpio0ggrp",
"gpio0hgrp";
};
};
/*
* gpio1bgrp cover line 5,8,7 used by panel SPI
* also line 6 used by the fan
*
*/
gpio1_default_pins: pinctrl-gpio1 {
mux {
function = "gpio1";
groups = "gpio1bgrp";
};
};
};
};
sata: sata@46000000 {
cortina,gemini-ata-muxmode = <0>;
cortina,gemini-enable-sata-bridge;
status = "okay";
};
gpio0: gpio@4d000000 {
pinctrl-names = "default";
pinctrl-0 = <&gpio0_default_pins>;
};
gpio1: gpio@4e000000 {
pinctrl-names = "default";
pinctrl-0 = <&gpio1_default_pins>;
};
pci@50000000 {
status = "okay";
interrupt-map-mask = <0xf800 0 0 7>;
interrupt-map =
<0x4800 0 0 1 &pci_intc 0>, /* Slot 9 */
<0x4800 0 0 2 &pci_intc 1>,
<0x4800 0 0 3 &pci_intc 2>,
<0x4800 0 0 4 &pci_intc 3>,
<0x5000 0 0 1 &pci_intc 1>, /* Slot 10 */
<0x5000 0 0 2 &pci_intc 2>,
<0x5000 0 0 3 &pci_intc 3>,
<0x5000 0 0 4 &pci_intc 0>,
<0x5800 0 0 1 &pci_intc 2>, /* Slot 11 */
<0x5800 0 0 2 &pci_intc 3>,
<0x5800 0 0 3 &pci_intc 0>,
<0x5800 0 0 4 &pci_intc 1>,
<0x6000 0 0 1 &pci_intc 3>, /* Slot 12 */
<0x6000 0 0 2 &pci_intc 0>,
<0x6000 0 0 3 &pci_intc 1>,
<0x6000 0 0 4 &pci_intc 2>;
};
ata@63000000 {
status = "okay";
};
display-controller@6a000000 {
status = "okay";
port@0 {
reg = <0>;
display_out: endpoint {
remote-endpoint = <&panel_in>;
};
};
};
};
};
