diff options
| author | Marek Vasut <[email protected]> | 2020-05-13 20:10:17 +0200 |
|---|---|---|
| committer | Alexandre Torgue <[email protected]> | 2020-05-14 16:22:40 +0200 |
| commit | 87cabf9405cbfba439d59fa5d956e4c5e76a061c (patch) | |
| tree | 7fd3674fcd30c82ed515bb04b5feafc6e3b17fff | |
| parent | f0c2df217c809e367be2004e8e34bbcf3533cb1f (diff) | |
ARM: dts: stm32: Add GPIO keys for STM32MP1 DHCOM PDK2
Add bindings for the four GPIO keys on DH PDK2 board. Note that TA1
key is polled because it's IRQ line conflicts with ethernet IRQ, the
rest of the GPIO keys, TA2, TA3, TA4, are interrupt-driven and wake
up sources.
Signed-off-by: Marek Vasut <[email protected]>
Cc: Alexandre Torgue <[email protected]>
Cc: Maxime Coquelin <[email protected]>
Cc: Patrice Chotard <[email protected]>
Cc: Patrick Delaunay <[email protected]>
Cc: [email protected]
To: [email protected]
Signed-off-by: Alexandre Torgue <[email protected]>
| -rw-r--r-- | arch/arm/boot/dts/stm32mp157c-dhcom-pdk2.dts | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/stm32mp157c-dhcom-pdk2.dts b/arch/arm/boot/dts/stm32mp157c-dhcom-pdk2.dts index 13b1586d4a8f..e5036c9b9e92 100644 --- a/arch/arm/boot/dts/stm32mp157c-dhcom-pdk2.dts +++ b/arch/arm/boot/dts/stm32mp157c-dhcom-pdk2.dts @@ -4,6 +4,7 @@ */ #include "stm32mp157c-dhcom-som.dtsi" +#include <dt-bindings/input/input.h> #include <dt-bindings/pwm/pwm.h> / { @@ -46,6 +47,48 @@ regulator-boot-on; }; + gpio-keys-polled { + compatible = "gpio-keys-polled"; + #size-cells = <0>; + poll-interval = <20>; + + /* + * The EXTi IRQ line 3 is shared with touchscreen and ethernet, + * so mark this as polled GPIO key. + */ + button-0 { + label = "TA1-GPIO-A"; + linux,code = <KEY_A>; + gpios = <&gpiof 3 GPIO_ACTIVE_LOW>; + }; + }; + + gpio-keys { + compatible = "gpio-keys"; + #size-cells = <0>; + + button-1 { + label = "TA2-GPIO-B"; + linux,code = <KEY_B>; + gpios = <&gpiod 6 GPIO_ACTIVE_LOW>; + wakeup-source; + }; + + button-2 { + label = "TA3-GPIO-C"; + linux,code = <KEY_C>; + gpios = <&gpioi 11 GPIO_ACTIVE_LOW>; + wakeup-source; + }; + + button-3 { + label = "TA4-GPIO-D"; + linux,code = <KEY_D>; + gpios = <&gpiod 12 GPIO_ACTIVE_LOW>; + wakeup-source; + }; + }; + panel { compatible = "edt,etm0700g0edh6"; backlight = <&display_bl>; |