The touchscreen can be a wake up source and it's being used in DTS:
arch/arm/boot/dts/exynos5250-spring.dt.yaml:
trackpad@4b: 'wakeup-source' does not match any of the regexes: 'pinctrl-[0-9]+'
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
Documentation/devicetree/bindings/input/atmel,maxtouch.yaml | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/input/atmel,maxtouch.yaml b/Documentation/devicetree/bindings/input/atmel,maxtouch.yaml
index 8c6418f76e94..eb69a8fc8498 100644
--- a/Documentation/devicetree/bindings/input/atmel,maxtouch.yaml
+++ b/Documentation/devicetree/bindings/input/atmel,maxtouch.yaml
@@ -53,6 +53,9 @@ properties:
or experiment to determine which bit corresponds to which input. Use
KEY_RESERVED for unused padding values.
+ wakeup-source:
+ type: boolean
+
required:
- compatible
- reg--
2.25.1
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