MIPS: ath79: add initial support for Dragino MS14 (Dragino 2)
The following features are supported: * UART; * SPI-flash; * USB host; * GPIO keys and LEDs. 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@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/12882/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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# All DTBs
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dtb-$(CONFIG_ATH79) += ar9132_tl_wr1043nd_v1.dtb
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dtb-$(CONFIG_ATH79) += ar9331_dragino_ms14.dtb
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dtb-$(CONFIG_ATH79) += ar9331_tl_mr3020.dtb
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# Force kbuild to make empty built-in.o if necessary
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102
arch/mips/boot/dts/qca/ar9331_dragino_ms14.dts
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102
arch/mips/boot/dts/qca/ar9331_dragino_ms14.dts
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/dts-v1/;
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/input/input.h>
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#include "ar9331.dtsi"
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/ {
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model = "Dragino MS14 (Dragino 2)";
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compatible = "dragino,ms14";
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aliases {
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serial0 = &uart;
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};
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memory@0 {
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device_type = "memory";
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reg = <0x0 0x4000000>;
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};
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leds {
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compatible = "gpio-leds";
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wlan {
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label = "dragino2:red:wlan";
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gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
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default-state = "off";
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};
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lan {
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label = "dragino2:red:lan";
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gpios = <&gpio 13 GPIO_ACTIVE_LOW>;
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default-state = "off";
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};
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wan {
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label = "dragino2:red:wan";
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gpios = <&gpio 17 GPIO_ACTIVE_LOW>;
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default-state = "off";
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};
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system {
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label = "dragino2:red:system";
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gpios = <&gpio 28 GPIO_ACTIVE_HIGH>;
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default-state = "off";
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};
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};
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gpio-keys-polled {
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compatible = "gpio-keys-polled";
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#address-cells = <1>;
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#size-cells = <0>;
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poll-interval = <100>;
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button@0 {
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label = "jumpstart";
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linux,code = <KEY_WPS_BUTTON>;
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gpios = <&gpio 11 GPIO_ACTIVE_LOW>;
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};
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button@1 {
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label = "reset";
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linux,code = <KEY_RESTART>;
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gpios = <&gpio 12 GPIO_ACTIVE_LOW>;
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};
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};
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};
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&ref {
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clock-frequency = <25000000>;
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};
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&uart {
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status = "okay";
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};
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&gpio {
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status = "okay";
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};
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&usb {
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dr_mode = "host";
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status = "okay";
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};
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&usb_phy {
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status = "okay";
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};
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&spi {
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num-chipselects = <1>;
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status = "okay";
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/* Winbond 25Q128BVFG SPI flash */
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spiflash: w25q128@0 {
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#address-cells = <1>;
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#size-cells = <1>;
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compatible = "winbond,w25q128", "jedec,spi-nor";
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spi-max-frequency = <104000000>;
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reg = <0>;
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};
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};
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