[RFC v3 11/14] MIPS: ath79: add initial support for Dragino MS14 (Dragino 2)
From: Antony Pavlov <hidden>
Date: 2016-01-23 20:17:28
Also in:
linux-mips
Subsystem:
mips, the rest · Maintainers:
Thomas Bogendoerfer, Linus Torvalds
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 <redacted>
Cc: Gabor Juhos <redacted>
Cc: Alban Bedel <redacted>
Cc: linux-mips-6z/3iImG2C8G8FEW9MqTrA@public.gmane.org
Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
---
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 04fe47c..428ebac5 100644
--- a/arch/mips/boot/dts/qca/Makefile
+++ b/arch/mips/boot/dts/qca/Makefile@@ -1,5 +1,6 @@ # All DTBs dtb-$(CONFIG_DTB_TL_WR1043ND_V1) += ar9132_tl_wr1043nd_v1.dtb +dtb-$(CONFIG_DTB_DRAGINO_MS14) += dragino_ms14.dtb dtb-$(CONFIG_DTB_TL_MR3020) += tl_mr3020.dtb obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y))
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..7c25d1f
--- /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"; + }; + }; +}; + +&extosc { + 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
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