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authorAntony Pavlov <antonynpavlov@gmail.com>2016-03-17 04:34:19 +0100
committerRalf Baechle <ralf@linux-mips.org>2016-05-13 14:01:46 +0200
commit2c3694d2e6ead3964aafb31e4e529de219ced92b (patch)
treead5d1ee9d6f3fb1a5439a72e3d8d994576651a93 /arch/mips/boot
parentMIPS: ath79: update devicetree clock support for AR9331 (diff)
downloadlinux-2c3694d2e6ead3964aafb31e4e529de219ced92b.tar.xz
linux-2c3694d2e6ead3964aafb31e4e529de219ced92b.zip
MIPS: ath79: add initial support for TP-LINK MR3020
The following features are supported: * UART; * SPI-flash; * USB host; * GPIO keys and LEDs. Links: * http://www.tp-link.com/en/products/details/?model=TL-MR3020 * http://wiki.openwrt.org/toh/tp-link/tl-mr3020 * https://wikidevi.com/wiki/TP-LINK_TL-MR3020 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/12880/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/boot')
-rw-r--r--arch/mips/boot/dts/qca/Makefile1
-rw-r--r--arch/mips/boot/dts/qca/ar9331_tl_mr3020.dts118
2 files changed, 119 insertions, 0 deletions
diff --git a/arch/mips/boot/dts/qca/Makefile b/arch/mips/boot/dts/qca/Makefile
index 14bd22514283..5e2c20d64138 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_tl_mr3020.dtb
# Force kbuild to make empty built-in.o if necessary
obj- += dummy.o
diff --git a/arch/mips/boot/dts/qca/ar9331_tl_mr3020.dts b/arch/mips/boot/dts/qca/ar9331_tl_mr3020.dts
new file mode 100644
index 000000000000..919cf3b854a5
--- /dev/null
+++ b/arch/mips/boot/dts/qca/ar9331_tl_mr3020.dts
@@ -0,0 +1,118 @@
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+#include "ar9331.dtsi"
+
+/ {
+ model = "TP-Link TL-MR3020";
+ compatible = "tplink,tl-mr3020";
+
+ aliases {
+ serial0 = &uart;
+ };
+
+ memory@0 {
+ device_type = "memory";
+ reg = <0x0 0x2000000>;
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ wlan {
+ label = "tp-link:green:wlan";
+ gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
+ default-state = "off";
+ };
+
+ lan {
+ label = "tp-link:green:lan";
+ gpios = <&gpio 17 GPIO_ACTIVE_LOW>;
+ default-state = "off";
+ };
+
+ wps {
+ label = "tp-link:green:wps";
+ gpios = <&gpio 26 GPIO_ACTIVE_LOW>;
+ default-state = "off";
+ };
+
+ led3g {
+ label = "tp-link:green:3g";
+ gpios = <&gpio 27 GPIO_ACTIVE_LOW>;
+ default-state = "off";
+ };
+ };
+
+ gpio-keys-polled {
+ compatible = "gpio-keys-polled";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ poll-interval = <100>;
+
+ button@0 {
+ label = "wps";
+ linux,code = <KEY_WPS_BUTTON>;
+ gpios = <&gpio 11 GPIO_ACTIVE_HIGH>;
+ };
+
+ button@1 {
+ label = "sw1";
+ linux,code = <BTN_0>;
+ gpios = <&gpio 18 GPIO_ACTIVE_HIGH>;
+ };
+
+ button@2 {
+ label = "sw2";
+ linux,code = <BTN_1>;
+ gpios = <&gpio 20 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
+ reg_usb_vbus: reg_usb_vbus {
+ compatible = "regulator-fixed";
+ regulator-name = "usb_vbus";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ gpio = <&gpio 8 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+};
+
+&ref {
+ clock-frequency = <25000000>;
+};
+
+&uart {
+ status = "okay";
+};
+
+&gpio {
+ status = "okay";
+};
+
+&usb {
+ dr_mode = "host";
+ vbus-supply = <&reg_usb_vbus>;
+ status = "okay";
+};
+
+&usb_phy {
+ status = "okay";
+};
+
+&spi {
+ num-chipselects = <1>;
+ status = "okay";
+
+ /* Spansion S25FL032PIF SPI flash */
+ spiflash: s25sl032p@0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "spansion,s25sl032p", "jedec,spi-nor";
+ spi-max-frequency = <104000000>;
+ reg = <0>;
+ };
+};