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authorAntony Pavlov <antonynpavlov@gmail.com>2016-03-17 06:34:21 +0300
committerRalf Baechle <ralf@linux-mips.org>2016-05-13 14:01:46 +0200
commit3b9ec1b32585438eddd6ec28029fd9620213027d (patch)
tree0f7ae0131a184802d050edf0b78b15952045eace /arch/mips
parent4d536731f8169477ed0f908c9bc30a3a997841de (diff)
MIPS: ath79: add initial support for Dragino MS14 (Dragino 2)
The following features are supported: * UART; * SPI-flash; * USB host; * GPIO keys and LEDs. Links: * http://www.dragino.com/products/mother-board/item/71-ms14-p.html * https://wiki.openwrt.org/toh/dragino/ms14 Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com> Cc: Gabor Juhos <juhosg@openwrt.org> Cc: Alban Bedel <albeu@free.fr> Cc: linux-mips@linux-mips.org Cc: devicetree@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/12882/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
-rw-r--r--arch/mips/boot/dts/qca/Makefile1
-rw-r--r--arch/mips/boot/dts/qca/ar9331_dragino_ms14.dts102
2 files changed, 103 insertions, 0 deletions
diff --git a/arch/mips/boot/dts/qca/Makefile b/arch/mips/boot/dts/qca/Makefile
index 5e2c20d64138..245136478998 100644
--- a/arch/mips/boot/dts/qca/Makefile
+++ b/arch/mips/boot/dts/qca/Makefile
@@ -1,5 +1,6 @@
# All DTBs
dtb-$(CONFIG_ATH79) += ar9132_tl_wr1043nd_v1.dtb
+dtb-$(CONFIG_ATH79) += ar9331_dragino_ms14.dtb
dtb-$(CONFIG_ATH79) += ar9331_tl_mr3020.dtb
# Force kbuild to make empty built-in.o if necessary
diff --git a/arch/mips/boot/dts/qca/ar9331_dragino_ms14.dts b/arch/mips/boot/dts/qca/ar9331_dragino_ms14.dts
new file mode 100644
index 000000000000..56f832076a69
--- /dev/null
+++ b/arch/mips/boot/dts/qca/ar9331_dragino_ms14.dts
@@ -0,0 +1,102 @@
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+#include "ar9331.dtsi"
+
+/ {
+ model = "Dragino MS14 (Dragino 2)";
+ compatible = "dragino,ms14";
+
+ aliases {
+ serial0 = &uart;
+ };
+
+ memory@0 {
+ device_type = "memory";
+ reg = <0x0 0x4000000>;
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ wlan {
+ label = "dragino2:red:wlan";
+ gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
+ default-state = "off";
+ };
+
+ lan {
+ label = "dragino2:red:lan";
+ gpios = <&gpio 13 GPIO_ACTIVE_LOW>;
+ default-state = "off";
+ };
+
+ wan {
+ label = "dragino2:red:wan";
+ gpios = <&gpio 17 GPIO_ACTIVE_LOW>;
+ default-state = "off";
+ };
+
+ system {
+ label = "dragino2:red:system";
+ gpios = <&gpio 28 GPIO_ACTIVE_HIGH>;
+ default-state = "off";
+ };
+ };
+
+ gpio-keys-polled {
+ compatible = "gpio-keys-polled";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ poll-interval = <100>;
+
+ button@0 {
+ label = "jumpstart";
+ linux,code = <KEY_WPS_BUTTON>;
+ gpios = <&gpio 11 GPIO_ACTIVE_LOW>;
+ };
+
+ button@1 {
+ label = "reset";
+ linux,code = <KEY_RESTART>;
+ gpios = <&gpio 12 GPIO_ACTIVE_LOW>;
+ };
+ };
+};
+
+&ref {
+ clock-frequency = <25000000>;
+};
+
+&uart {
+ status = "okay";
+};
+
+&gpio {
+ status = "okay";
+};
+
+&usb {
+ dr_mode = "host";
+ status = "okay";
+};
+
+&usb_phy {
+ status = "okay";
+};
+
+&spi {
+ num-chipselects = <1>;
+ status = "okay";
+
+ /* Winbond 25Q128BVFG SPI flash */
+ spiflash: w25q128@0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "winbond,w25q128", "jedec,spi-nor";
+ spi-max-frequency = <104000000>;
+ reg = <0>;
+ };
+};