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ARM: dts: mmp3-dell-ariel: Add the power button node

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This adds support for the power button attached to the Embedded Controller
on a Dell Wyse 3020 "Ariel" board.

However, while the EC itself is controlled via I2C, the input capability
for the power button acts as a separate device attached to the SPI, hence
it has a separate device node.

Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Link: https://lore.kernel.org/r/20210121034130.1381872-11-lkundrak@v3.sk'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Lubomir Rintel 2021-01-21 04:41:28 +01:00 committed by Arnd Bergmann
parent e691d58e33
commit 49061130eb
1 changed files with 9 additions and 1 deletions
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10
arch/arm/boot/dts/mmp3-dell-ariel.dts
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@ -119,8 +119,16 @@ firmware-flash@0 {
};
&ssp2 {
cs-gpios = <&gpio 56 GPIO_ACTIVE_LOW>;
status = "okay";
cs-gpios = <&gpio 56 GPIO_ACTIVE_LOW>;
power-button@0 {
reg = <0>;
interrupt-parent = <&gpio>;
interrupts = <60 IRQ_TYPE_EDGE_RISING>;
compatible = "dell,wyse-ariel-ec-input", "ene,kb3930-input";
spi-max-frequency = <33000000>;
};
};
&gpu_2d {