Currently only the UART, SPI-flash and LEDs are supported. 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@xxxxxxxxx> Cc: Gabor Juhos <juhosg@xxxxxxxxxxx> Cc: Alban Bedel <albeu@xxxxxxx> Cc: linux-mips@xxxxxxxxxxxxxx Cc: devicetree@xxxxxxxxxxxxxxx --- arch/mips/ath79/Kconfig | 5 +++ arch/mips/boot/dts/qca/Makefile | 1 + arch/mips/boot/dts/qca/dragino_ms14.dts | 73 +++++++++++++++++++++++++++++++++ 3 files changed, 79 insertions(+) diff --git a/arch/mips/ath79/Kconfig b/arch/mips/ath79/Kconfig index 4fd53ae..2797581 100644 --- a/arch/mips/ath79/Kconfig +++ b/arch/mips/ath79/Kconfig @@ -77,6 +77,11 @@ choice help Select a devicetree that should be built into the kernel. + config DTB_DRAGINO_MS14 + bool "Dragino MS14 (Dragino 2)" + select BUILTIN_DTB + select SOC_AR933X + config DTB_TL_MR3020 bool "TL-MR3020" select BUILTIN_DTB diff --git a/arch/mips/boot/dts/qca/Makefile b/arch/mips/boot/dts/qca/Makefile index ae47e35..dfba4d2 100644 --- a/arch/mips/boot/dts/qca/Makefile +++ b/arch/mips/boot/dts/qca/Makefile @@ -2,6 +2,7 @@ dtb-$(CONFIG_ATH79) += ar9132_tl_wr1043nd_v1.dtb # Select a DTB to build in the kernel +obj-$(CONFIG_DTB_DRAGINO_MS14) += dragino_ms14.dtb.o obj-$(CONFIG_DTB_TL_MR3020) += tl_mr3020.dtb.o obj-$(CONFIG_DTB_TL_WR1043ND_V1) += ar9132_tl_wr1043nd_v1.dtb.o diff --git a/arch/mips/boot/dts/qca/dragino_ms14.dts b/arch/mips/boot/dts/qca/dragino_ms14.dts new file mode 100644 index 0000000..ec4dc64 --- /dev/null +++ b/arch/mips/boot/dts/qca/dragino_ms14.dts @@ -0,0 +1,73 @@ +/dts-v1/; + +#include "ar9331.dtsi" +#include <dt-bindings/gpio/gpio.h> + +/ { + 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"; + }; + }; +}; + +&ref { + clock-frequency = <25000000>; +}; + +&uart { + status = "okay"; +}; + +&gpio { + 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>; + }; +}; -- 2.6.2