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Subject[RFC RESEND PATCH v2 4/4] arm64: dts: ti: am654-base-board: Add gpio_keys node
Date
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>
---
.../arm64/boot/dts/ti/k3-am654-base-board.dts | 27 +++++++++++++++++++
1 file changed, 27 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
index cf1aa276a1ea..ea50b6e36eff 100644
--- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
@@ -6,6 +6,7 @@
/dts-v1/;

#include "k3-am654.dtsi"
+#include <dt-bindings/input/input.h>

/ {
compatible = "ti,am654-evm", "ti,am654";
@@ -33,6 +34,25 @@
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 {
@@ -42,6 +62,13 @@
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 {
--
2.17.1
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