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arm64: dts: ti: am654-base-board: Add gpio_keys node 

There are 2 push buttons: SW5 and SW6 that are basically connected to
WKUP_GPIO0_24 and WKUP_GPIO0_27 respectively. Add the respective
nodes and the pinctrl data to set the mode to GPIO and Input.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
This commit is contained in:
Keerthy 2019-06-06 15:26:20 +05:30 committed by Tero Kristo
parent 980cc42754
commit c67f7388a6
1 changed files with 27 additions and 0 deletions
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27
arch/arm64/boot/dts/ti/k3-am654-base-board.dts
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@ -6,6 +6,7 @@
/dts-v1/; /dts-v1/;
#include "k3-am654.dtsi" #include "k3-am654.dtsi"
#include <dt-bindings/input/input.h>
/ { / {
compatible = "ti,am654-evm", "ti,am654"; compatible = "ti,am654-evm", "ti,am654";
@ -33,6 +34,25 @@
no-map; no-map;
}; };
}; };
gpio-keys {
compatible = "gpio-keys";
autorepeat;
pinctrl-names = "default";
pinctrl-0 = <&push_button_pins_default>;
sw5 {
label = "GPIO Key USER1";
linux,code = <BTN_0>;
gpios = <&wkup_gpio0 24 GPIO_ACTIVE_LOW>;
};
sw6 {
label = "GPIO Key USER2";
linux,code = <BTN_1>;
gpios = <&wkup_gpio0 27 GPIO_ACTIVE_LOW>;
};
};
}; };
&wkup_pmx0 { &wkup_pmx0 {
@ -42,6 +62,13 @@
AM65X_WKUP_IOPAD(0x00e4, PIN_INPUT, 0) /* (AD6) WKUP_I2C0_SDA */ AM65X_WKUP_IOPAD(0x00e4, PIN_INPUT, 0) /* (AD6) WKUP_I2C0_SDA */
>; >;
}; };
push_button_pins_default: push_button__pins_default {
pinctrl-single,pins = <
AM65X_WKUP_IOPAD(0x0030, PIN_INPUT, 7) /* (R5) WKUP_GPIO0_24 */
AM65X_WKUP_IOPAD(0x003c, PIN_INPUT, 7) /* (P2) WKUP_GPIO0_27 */
>;
};
}; };
&main_pmx0 { &main_pmx0 {