The following features are supported: * UART; * SPI-flash; * 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@xxxxxxxxx> Cc: Gabor Juhos <juhosg@xxxxxxxxxxx> Cc: Alban Bedel <albeu@xxxxxxx> Cc: linux-mips@xxxxxxxxxxxxxx Cc: devicetree@xxxxxxxxxxxxxxx --- arch/mips/boot/dts/qca/Makefile | 1 + arch/mips/boot/dts/qca/tl_mr3020.dts | 99 ++++++++++++++++++++++++++++++++++++ 2 files changed, 100 insertions(+) diff --git a/arch/mips/boot/dts/qca/Makefile b/arch/mips/boot/dts/qca/Makefile index 14bd225..504c4b1 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) += tl_mr3020.dtb # Force kbuild to make empty built-in.o if necessary obj- += dummy.o diff --git a/arch/mips/boot/dts/qca/tl_mr3020.dts b/arch/mips/boot/dts/qca/tl_mr3020.dts new file mode 100644 index 0000000..2a1b296 --- /dev/null +++ b/arch/mips/boot/dts/qca/tl_mr3020.dts @@ -0,0 +1,99 @@ +/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>; + }; + }; +}; + +&ref { + clock-frequency = <25000000>; +}; + +&uart { + status = "okay"; +}; + +&gpio { + 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>; + }; +}; -- 2.7.0
