[PATCH 1/2] devicetree: i2c-hid: Add regulator support

Brian Norris briannorris at chromium.org
Fri Dec 2 14:18:59 PST 2016

From: Caesar Wang <wxt at rock-chips.com>

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

Signed-off-by: Caesar Wang <wxt at rock-chips.com>
Cc: Rob Herring <robh+dt at kernel.org>
Cc: Jiri Kosina <jikos at kernel.org>
Cc: linux-input at vger.kernel.org
Signed-off-by: Brian Norris <briannorris at chromium.org>
 * add compatible property for wacom, per Rob's request
 * name the regulator property specifically (VDD)

 * 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.
 	i2c-hid-dev at 2c {

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