Messages in this thread Patch in this message | | | From | Donghoon Han <> | Subject | [PATCH V2 2/2] Input: rotaty-encoder - Add DT binding document | Date | Tue, 8 Jan 2019 01:42:49 +0900 |
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Add DT binding document for rotary-encoder, keycode options.
Signed-off-by: Donghoon Han <nazgul33@gmail.com> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: Daniel Mack <daniel@caiaq.de> Cc: devicetree@vger.kernel.org To: linux-input@vger.kernel.org --- .../devicetree/bindings/input/rotary-encoder.txt | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/Documentation/devicetree/bindings/input/rotary-encoder.txt b/Documentation/devicetree/bindings/input/rotary-encoder.txt index f99fe5cdeaec..9986ec2af2d4 100644 --- a/Documentation/devicetree/bindings/input/rotary-encoder.txt +++ b/Documentation/devicetree/bindings/input/rotary-encoder.txt @@ -12,6 +12,10 @@ Optional properties: - rotary-encoder,relative-axis: register a relative axis rather than an absolute one. Relative axis will only generate +1/-1 events on the input device, hence no steps need to be passed. +- rotary-encoder,relative-keys : generate pair of key events. This setting + behaves just like relative-axis, generating key events instead. + (Keycodes[2] corresponds to -1/1 events.) +- rotary-encoder,relative-keycodes : keycodes for relative-keys - rotary-encoder,rollover: Automatic rollover when the rotary value becomes greater than the specified steps or smaller than 0. For absolute axis only. - rotary-encoder,steps-per-period: Number of steps (stable states) per period. @@ -48,3 +52,11 @@ Example: rotary-encoder,encoding = "binary"; rotary-encoder,rollover; }; + + rotary@2 { + compatible = "rotary-encoder"; + gpios = <&gpio 21 0>, <&gpio 22 0>; + rotary-encoder,relative-keys; + rotary-encoder,relative-keycode = <103>, <108>; + rotary-encoder,steps-per-period = <2>; + }; -- 2.17.1
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