[PATCH v2 3/3] arm64: dts: allwinner: pinephone: Support volume key wakeup

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Samuel Holland

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Jan 12, 2021, 11:05:49 PM1/12/21
to Hans de Goede, Dmitry Torokhov, Rob Herring, Maxime Ripard, Chen-Yu Tsai, Jernej Skrabec, devic...@vger.kernel.org, linux...@vger.kernel.org, linux-...@vger.kernel.org, linux...@googlegroups.com, Samuel Holland
PinePhone volume keys are connected to the LRADC in the A64. Users may
want to use them to wake the device from sleep. Support this by
declaring the LRADC as a wakeup source.

Signed-off-by: Samuel Holland <sam...@sholland.org>
---
arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
index 2dfe9bae8c67..7f37f9fea0ab 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
@@ -196,6 +196,7 @@ &i2c2 {

&lradc {
vref-supply = <&reg_aldo3>;
+ wakeup-source;
status = "okay";

button-200 {
--
2.26.2

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