ARM: dts: Add DTS file for D-Link DIR-685

This adds a device tree file for the Gemini-based D-Link DIR-685
router, supporting all devices that are currently supported in
the main DTSI SoC file.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 4b17f35..dc00f3e 100644 (file)
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -180,6 +180,7 @@ dtb-$(CONFIG_ARCH_EXYNOS5) += \
        exynos5440-ssdk5440.dtb \
        exynos5800-peach-pi.dtb
 dtb-$(CONFIG_ARCH_GEMINI) += \
+       gemini-dlink-dir-685.dtb \
        gemini-nas4220b.dtb \
        gemini-rut1xx.dtb \
        gemini-sq201.dtb \

diff --git a/arch/arm/boot/dts/gemini-dlink-dir-685.dts b/arch/arm/boot/dts/gemini-dlink-dir-685.dts
new file mode 100644 (file)
index 0000000..10ab4d8
--- /dev/null
+++ b/arch/arm/boot/dts/gemini-dlink-dir-685.dts
@@ -0,0 +1,191 @@
+/*
+ * 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";
+                       gpios = <&gpio0 8 GPIO_ACTIVE_LOW>;
+               };
+               button-eject {
+                       debounce_interval = <50>;
+                       wakeup-source;
+                       linux,code = <KEY_EJECTCD>;
+                       label = "unmount";
+                       gpios = <&gpio0 13 GPIO_ACTIVE_LOW>;
+               };
+       };
+
+       leds {
+               compatible = "gpio-leds";
+               led-wps {
+                       label = "dir685:blue:WPS";
+                       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";
+                       gpios = <&gpio0 11 GPIO_ACTIVE_HIGH>;
+                       default-state = "off";
+               };
+               led-orange-hd {
+                       label = "dir685:orange:HD";
+                       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";
+               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";
+               gpios = <&gpio0 5 0>, /* SDA */
+                       <&gpio0 6 0>; /* SCL */
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               touchkeys@26 {
+                       compatible = "dlink,dir685-touchkeys";
+                       reg = <0x26>;
+                       interrupt-parent = <&gpio0>;
+                       interrupts = <17 IRQ_TYPE_EDGE_FALLING>;
+               };
+       };
+
+       soc {
+               flash@30000000 {
+                       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;
+                       };
+               };
+
+               sata: sata@46000000 {
+                       cortina,gemini-ata-muxmode = <0>;
+                       cortina,gemini-enable-sata-bridge;
+                       status = "okay";
+               };
+
+               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";
+               };
+       };
+};