diff options
| author | Michael Walle <michael@walle.cc> | 2020-09-14 23:43:38 +0200 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2020-09-22 17:06:04 +0800 |
| commit | 945710bbdbdf6c44f467b705c327556efee67b04 (patch) | |
| tree | b8ceab73d4799c2f8589e31ae40ceaf0ee00e224 /arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts | |
| parent | c86e4202fde491e5fa578a3bf3bcfd056441e18d (diff) | |
arm64: dts: freescale: sl28: map GPIOs to input events
Now that we have support for GPIO lines of the SMARC connector, map the
sleep, power and lid switch signals to the corresponding keys using the
gpio-keys and gpio-keys-polled drivers. The power and sleep signals have
dedicated interrupts, thus we use these ones. The lid switch is just
mapped to a GPIO input and needs polling.
Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts')
| -rw-r--r-- | arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts index 5fdf4ec8b39f..f46eb47cfa4d 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts @@ -9,6 +9,8 @@ /dts-v1/; #include "fsl-ls1028a.dtsi" #include <dt-bindings/interrupt-controller/irq.h> +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/input/input.h> / { model = "Kontron SMARC-sAL28"; @@ -23,6 +25,36 @@ spi1 = &dspi2; }; + buttons0 { + compatible = "gpio-keys"; + + power-button { + interrupts-extended = <&sl28cpld_intc + 4 IRQ_TYPE_EDGE_BOTH>; + linux,code = <KEY_POWER>; + label = "Power"; + }; + + sleep-button { + interrupts-extended = <&sl28cpld_intc + 5 IRQ_TYPE_EDGE_BOTH>; + linux,code = <KEY_SLEEP>; + label = "Sleep"; + }; + }; + + buttons1 { + compatible = "gpio-keys-polled"; + poll-interval = <200>; + + lid-switch { + linux,input-type = <EV_SW>; + linux,code = <SW_LID>; + gpios = <&sl28cpld_gpio3 4 GPIO_ACTIVE_LOW>; + label = "Lid"; + }; + }; + chosen { stdout-path = "serial0:115200n8"; }; |