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Commit ab9a1366 authored by Peter Robinson's avatar Peter Robinson Committed by Tony Lindgren
Browse files

ARM: dts: pandaboard: add gpio user button 



The PandaBoard has a user button connected to GPIO. On the ES this is connected
to GPIO 113, on all the other Panda editons this is GPIO 121.

Signed-off-by: default avatarPeter Robinson <pbrobinson@gmail.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 8008b6f3

arch/arm/boot/dts/omap4-panda-common.dtsi

+22 −0
Original line number Diff line number Diff line
@@ -5,6 +5,7 @@ 
 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 */

#include <dt-bindings/input/input.h>

#include "elpida_ecb240abacn.dtsi"



/ {
@@ -43,6 +44,21 @@ 
		};

	};



	gpio_keys: gpio_keys {

		compatible = "gpio-keys";

		pinctrl-names = "default";

		pinctrl-0 = <

			&button_pins

		>;



		buttonS2 {

			label = "button S2";

			gpios = <&gpio4 25 GPIO_ACTIVE_LOW>;	/* gpio_121 */

			linux,code = <BTN_0>;

			wakeup-source;

		};

	};



	sound: sound {

		compatible = "ti,abe-twl6040";

		ti,model = "PandaBoard";
@@ -357,6 +373,12 @@ 
			OMAP4_IOPAD(0x152, PIN_INPUT_PULLUP | MUX_MODE0)	/* sdmmc5_dat3.sdmmc5_dat3 */

		>;

	};



	button_pins: pinmux_button_pins {

		pinctrl-single,pins = <

			OMAP4_IOPAD(0x114, PIN_INPUT_PULLUP | MUX_MODE3)	/* gpio_121 */

		>;

	};

};



&omap4_pmx_wkup {

arch/arm/boot/dts/omap4-panda-es.dts

+12 −0
Original line number Diff line number Diff line
@@ -46,6 +46,12 @@ 
			OMAP4_IOPAD(0x0f6, PIN_OUTPUT | MUX_MODE3)	/* gpio_110 */

		>;

	};



	button_pins: pinmux_button_pins {

		pinctrl-single,pins = <

			OMAP4_IOPAD(0x11b, PIN_INPUT_PULLUP | MUX_MODE3) /* gpio_113 */

		>;

	};

};



&led_wkgpio_pins {
@@ -68,6 +74,12 @@ 
	};

};



&gpio_keys {

	buttonS2 {

		gpios = <&gpio4 17 GPIO_ACTIVE_LOW>; /* gpio_113 */

	};

};



&gpio1 {

	 ti,no-reset-on-init;

};