From: Caesar Wang <wxt@xxxxxxxxxxxxxx>
Document a "vdd-supply" and an initialization delay. Can be used for
powering on/off a HID.
Signed-off-by: Caesar Wang <wxt@xxxxxxxxxxxxxx>
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Cc: Jiri Kosina <jikos@xxxxxxxxxx>
Cc: linux-input@xxxxxxxxxxxxxxx
Signed-off-by: Brian Norris <briannorris@xxxxxxxxxxxx>
---
v2:
* add compatible property for wacom, per Rob's request
* name the regulator property specifically (VDD)
v3:
* remove wacom property, per Benjamin's request
* add delay property
v4: no change
---
Documentation/devicetree/bindings/input/hid-over-i2c.txt | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/Documentation/devicetree/bindings/input/hid-over-i2c.txt b/Documentation/devicetree/bindings/input/hid-over-i2c.txt
index 488edcb264c4..1ea290167652 100644
--- a/Documentation/devicetree/bindings/input/hid-over-i2c.txt
+++ b/Documentation/devicetree/bindings/input/hid-over-i2c.txt
@@ -17,6 +17,11 @@ Required properties:
- interrupt-parent: the phandle for the interrupt controller
- interrupts: interrupt line
+Optional properties:
+- vdd-supply: phandle of the regulator that provides the supply voltage.
+- init-delay-ms: time required by the device after power-on before it is ready
+ for communication.
+
Example:
i2c-hid-dev@2c {
--
2.8.0.rc3.226.g39d4020
--
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