Messages in this thread Patch in this message | | | From | Lubomir Rintel <> | Subject | [PATCH 10/12] ARM: dts: mmp3-dell-ariel: Add the power button node | Date | Thu, 21 Jan 2021 04:41:28 +0100 |
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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> --- arch/arm/boot/dts/mmp3-dell-ariel.dts | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/mmp3-dell-ariel.dts b/arch/arm/boot/dts/mmp3-dell-ariel.dts index 565cd0fadf3d3..c4a6bd876d849 100644 --- a/arch/arm/boot/dts/mmp3-dell-ariel.dts +++ b/arch/arm/boot/dts/mmp3-dell-ariel.dts @@ -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 { -- 2.29.2
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