diff options
| author |   Gireesh Hiremath <Gireesh.Hiremath@in.bosch.com> | 2022-03-25 10:06:01 +0000 |
|---|---|---|
| committer |   Tony Lindgren <tony@atomide.com> | 2022-04-21 14:03:11 +0300 |
| commit | 87e4e2bf90fbed8b9e73d80be387aabced5a39a3 (patch) | |
| tree | 76c027f5c982836a9fa253c7261538a76bcba81b /arch | |
| parent | ARM: dts: am335x: Guardian: Rename power button label (diff) | |
ARM: dts: am335x: Guardian: Add keypad
* Add support to guardian mt gpio keypad
Signed-off-by: Gireesh Hiremath <Gireesh.Hiremath@in.bosch.com>
Message-Id: <20220325100613.1494-4-Gireesh.Hiremath@in.bosch.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/boot/dts/am335x-guardian.dts | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/am335x-guardian.dts b/arch/arm/boot/dts/am335x-guardian.dts index 645de77bdb56..6f59c5f36c0d 100644 --- a/arch/arm/boot/dts/am335x-guardian.dts +++ b/arch/arm/boot/dts/am335x-guardian.dts @@ -36,6 +36,13 @@ #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 @@ 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 @@ 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] */ >; }; |