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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>
This commit is contained in:
Antony Pavlov 2016-03-17 06:34:19 +03:00 committed by Ralf Baechle
parent 5ae5c452e3
commit 2c3694d2e6
2 changed files with 119 additions and 0 deletions
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1
arch/mips/boot/dts/qca/Makefile
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@ -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

118
arch/mips/boot/dts/qca/ar9331_tl_mr3020.dts Normal file
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@ -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>;
};
};