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ARM: dts: pandaboard: add gpio user button

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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: Peter Robinson <pbrobinson@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Peter Robinson 2018-07-04 09:37:38 +01:00 committed by Tony Lindgren
parent 8008b6f3ac
commit ab9a13665e
2 changed files with 34 additions and 0 deletions
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22
arch/arm/boot/dts/omap4-panda-common.dtsi
View File

@ -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 {

12
arch/arm/boot/dts/omap4-panda-es.dts
View File

@ -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;
};