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devicetree: i2c-hid: Add regulator support

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Document a "vdd-supply" and an initialization delay. Can be used for
powering on/off a HID.

Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Jiri Kosina <jikos@kernel.org>
Cc: linux-input@vger.kernel.org
Signed-off-by: Brian Norris <briannorris@chromium.org>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Caesar Wang 2016-12-02 14:18:59 -08:00 committed by Jiri Kosina
parent 00f7fea5da
commit 0384e7dd67
1 changed files with 5 additions and 0 deletions
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Documentation/devicetree/bindings/input/hid-over-i2c.txt
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@ -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 {