linux-kernel - [PATCH 5.19 112/365] dt-bindings: input: iqs7222: Extend slider-mapped GPIO to IQS7222C

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Date:   Tue, 23 Aug 2022 10:00:13 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Jeff LaBundy <jeff@...undy.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>
Subject: [PATCH 5.19 112/365] dt-bindings: input: iqs7222: Extend slider-mapped GPIO to IQS7222C

From: Jeff LaBundy <jeff@...undy.com>

commit f0ea452715d72bc365d2b401ceb458f5ae82eeec upstream.

Although the IQS7222C does not offer slider gesture support, the
press/release event can still be mapped to any of the IQS7222C's
three GPIO pins. Update the binding to reflect this relationship.

Fixes: 44dc42d254bf ("dt-bindings: input: Add bindings for Azoteq IQS7222A/B/C")
Signed-off-by: Jeff LaBundy <jeff@...undy.com>
Link: https://lore.kernel.org/r/20220626072412.475211-10-jeff@labundy.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 .../bindings/input/azoteq,iqs7222.yaml        | 21 ++++++++++++-------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/Documentation/devicetree/bindings/input/azoteq,iqs7222.yaml b/Documentation/devicetree/bindings/input/azoteq,iqs7222.yaml
index c9c3a1e9bcae..32d0d5190334 100644
--- a/Documentation/devicetree/bindings/input/azoteq,iqs7222.yaml
+++ b/Documentation/devicetree/bindings/input/azoteq,iqs7222.yaml
@@ -611,16 +611,15 @@ patternProperties:
           azoteq,gpio-select:
             $ref: /schemas/types.yaml#/definitions/uint32-array
             minItems: 1
-            maxItems: 1
+            maxItems: 3
             items:
               minimum: 0
-              maximum: 0
+              maximum: 2
             description: |
-              Specifies an individual GPIO mapped to a tap, swipe or flick
-              gesture as follows:
+              Specifies one or more GPIO mapped to the event as follows:
               0: GPIO0
-              1: GPIO3 (reserved)
-              2: GPIO4 (reserved)
+              1: GPIO3 (IQS7222C only)
+              2: GPIO4 (IQS7222C only)
 
               Note that although multiple events can be mapped to a single
               GPIO, they must all be of the same type (proximity, touch or
@@ -705,6 +704,14 @@ allOf:
               multipleOf: 4
               maximum: 1020
 
+          patternProperties:
+            "^event-(press|tap|(swipe|flick)-(pos|neg))$":
+              properties:
+                azoteq,gpio-select:
+                  maxItems: 1
+                  items:
+                    maximum: 0
+
     else:
       patternProperties:
         "^channel-([0-9]|1[0-9])$":
@@ -721,8 +728,6 @@ allOf:
 
                 azoteq,gesture-dist: false
 
-                azoteq,gpio-select: false
-
 required:
   - compatible
   - reg
-- 
2.37.2