Commit 87e4e2bf authored by Gireesh Hiremath's avatar Gireesh Hiremath Committed by Tony Lindgren
Browse files

ARM: dts: am335x: Guardian: Add keypad 



 * Add support to guardian mt gpio keypad

Signed-off-by: default avatarGireesh Hiremath <Gireesh.Hiremath@in.bosch.com>
Message-Id: <20220325100613.1494-4-Gireesh.Hiremath@in.bosch.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 062859b5

arch/arm/boot/dts/am335x-guardian.dts

+24 −0
Original line number Diff line number Diff line
@@ -36,6 +36,13 @@ guardian_buttons: gpio-keys { 
		#address-cells = <1>;

		#size-cells = <0>;



		select-button {

			label = "guardian-select-button";

			linux,code = <KEY_5>;

			gpios = <&gpio1 31 GPIO_ACTIVE_LOW>;

			wakeup-source;

		};



		power-button {

			label = "guardian-power-button";

			linux,code = <KEY_POWER>;
@@ -115,6 +122,22 @@ vmmcsd_fixed: regulator-3v3 { 
		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

	};



	mt_keypad: mt_keypad@0 {

		compatible = "gpio-mt-keypad";

		debounce-delay-ms = <10>;

		col-scan-delay-us = <2>;

		keypad,num-lines = <5>;

		linux,no-autorepeat;

		gpio-activelow;

		line-gpios = <

			&gpio1 24 GPIO_ACTIVE_LOW    /*gpio_56*/

			&gpio1 23 GPIO_ACTIVE_LOW    /*gpio_55*/

			&gpio1 22 GPIO_ACTIVE_LOW    /*gpio_54*/

			&gpio1 20 GPIO_ACTIVE_LOW    /*gpio_52*/

			&gpio1 16 GPIO_ACTIVE_LOW    /*gpio_48*/

		>;

	};

};



&elm {
@@ -369,6 +392,7 @@ AM33XX_IOPAD(0x968, PIN_OUTPUT | MUX_MODE5) 
	guardian_button_pins: pinmux_guardian_button_pins {

		pinctrl-single,pins = <

			AM33XX_IOPAD(0x940, PIN_INPUT | MUX_MODE7) /* (M16) gmii1_rxd0.gpio2[21] */

			AM33XX_IOPAD(0x884, PIN_INPUT | MUX_MODE7) /* (V9)  gpmc_csn2.gpio1[31] */

		>;

	};