linux-kernel - [PATCH 1/2] dt-bindings: input: atmel,maxtouch: add linux,keycodes

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Date:   Mon, 27 Feb 2023 21:50:34 +0100
From:   André Apitzsch <git@...tzsch.eu>
To:     Nick Dyer <nick@...anahar.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Claudiu Beznea <claudiu.beznea@...rochip.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-input@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     ~postmarketos/upstreaming@...ts.sr.ht,
        André Apitzsch <git@...tzsch.eu>
Subject: [PATCH 1/2] dt-bindings: input: atmel,maxtouch: add linux,keycodes

In some configurations the touch controller can support the touch keys.
Document the linux,keycodes property that enables those keys and
specifies the keycodes that should be used to report the key events.

Signed-off-by: André Apitzsch <git@...tzsch.eu>
---
 .../devicetree/bindings/input/atmel,maxtouch.yaml          | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/input/atmel,maxtouch.yaml b/Documentation/devicetree/bindings/input/atmel,maxtouch.yaml
index 3ec579d63570..c40799355ed7 100644
--- a/Documentation/devicetree/bindings/input/atmel,maxtouch.yaml
+++ b/Documentation/devicetree/bindings/input/atmel,maxtouch.yaml
@@ -14,6 +14,9 @@ description: |
   Atmel maXTouch touchscreen or touchpads such as the mXT244
   and similar devices.
 
+allOf:
+  - $ref: input.yaml#
+
 properties:
   compatible:
     const: atmel,maxtouch
@@ -60,6 +63,10 @@ properties:
       or experiment to determine which bit corresponds to which input. Use
       KEY_RESERVED for unused padding values.
 
+  linux,keycodes:
+    minItems: 1
+    maxItems: 8
+
   atmel,wakeup-method:
     $ref: /schemas/types.yaml#/definitions/uint32
     description: |

base-commit: 982818426a0ffaf93b0621826ed39a84be3d7d62
-- 
2.39.2