dt-bindings: input: Centralize 'linux,code' definition

Multiple bindings use 'linux,code', but there is not a central
definition and type. Add 'linux,code' to input.yaml and update all the
users to use it.

Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Samuel Holland <samuel@sholland.org>
Acked-by: Jeff LaBundy <jeff@labundy.com>
Acked-by: Artur Rojek <contact@artur-rojek.eu>
Link: https://lore.kernel.org/r/20220608211207.2058487-3-robh@kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

Documentation/devicetree/bindings/input/adc-joystick.yaml

@@ -45,6 +45,7 @@ additionalProperties: false
 patternProperties:
   "^axis@[0-9a-f]+$":
     type: object
+    $ref: input.yaml#
     description: >
       Represents a joystick axis bound to the given ADC channel.
       For each entry in the io-channels list, one axis subnode with a matching
@@ -57,7 +58,6 @@ patternProperties:
         description: Index of an io-channels list entry bound to this axis.
 
       linux,code:
-        $ref: /schemas/types.yaml#/definitions/uint32
         description: EV_ABS specific event code generated by the axis.
 
       abs-range:

Documentation/devicetree/bindings/input/allwinner,sun4i-a10-lradc-keys.yaml

@@ -44,14 +44,13 @@ properties:
 patternProperties:
   "^button-[0-9]+$":
     type: object
+    $ref: input.yaml#
     properties:
       label:
         $ref: /schemas/types.yaml#/definitions/string
         description: Descriptive name of the key
 
-      linux,code:
+      linux,code: true
-        $ref: /schemas/types.yaml#/definitions/uint32
-        description: Keycode to emit
 
       channel:
         $ref: /schemas/types.yaml#/definitions/uint32

Documentation/devicetree/bindings/input/azoteq,iqs7222.yaml

@@ -417,6 +417,7 @@ patternProperties:
     patternProperties:
       "^event-(prox|touch)$":
         type: object
+        $ref: input.yaml#
         description:
           Represents a proximity or touch event reported by the channel.
 
@@ -463,11 +464,7 @@ patternProperties:
               The IQS7222B does not feature channel-specific timeouts; the time-
               out specified for any one channel applies to all channels.
 
-          linux,code:
+          linux,code: true
-            $ref: /schemas/types.yaml#/definitions/uint32
-            description:
-              Numeric key or switch code associated with the event. Specify
-              KEY_RESERVED (0) to opt out of event reporting.
 
           linux,input-type:
             $ref: /schemas/types.yaml#/definitions/uint32

Documentation/devicetree/bindings/input/gpio-keys.yaml

@@ -34,7 +34,6 @@ patternProperties:
 
         linux,code:
           description: Key / Axis code to emit.
-          $ref: /schemas/types.yaml#/definitions/uint32
 
         linux,input-type:
           description:

Documentation/devicetree/bindings/input/input.yaml

@@ -23,6 +23,14 @@ properties:
       minimum: 0
       maximum: 0x2ff
 
+  linux,code:
+    description:
+      Specifies a single numeric keycode value to be used for reporting
+      button/switch events. Specify KEY_RESERVED (0) to opt out of event
+      reporting.
+    $ref: /schemas/types.yaml#/definitions/uint32
+    maximum: 0x2ff
+
   poll-interval:
     description: Poll interval time in milliseconds.
     $ref: /schemas/types.yaml#/definitions/uint32

Documentation/devicetree/bindings/input/iqs269a.yaml

@@ -370,6 +370,7 @@ patternProperties:
     patternProperties:
       "^event-prox(-alt)?$":
         type: object
+        $ref: input.yaml#
         description:
           Represents a proximity event reported by the channel in response to
           a decrease in counts. Node names suffixed with '-alt' instead corre-
@@ -396,14 +397,13 @@ patternProperties:
             default: 10
             description: Specifies the threshold for the event.
 
-          linux,code:
+          linux,code: true
-            $ref: /schemas/types.yaml#/definitions/uint32
-            description: Numeric key or switch code associated with the event.
 
         additionalProperties: false
 
       "^event-touch(-alt)?$":
         type: object
+        $ref: input.yaml#
         description: Represents a touch event reported by the channel.
 
         properties:
@@ -421,14 +421,13 @@ patternProperties:
             default: 4
             description: Specifies the hysteresis for the event.
 
-          linux,code:
+          linux,code: true
-            $ref: /schemas/types.yaml#/definitions/uint32
-            description: Numeric key or switch code associated with the event.
 
         additionalProperties: false
 
       "^event-deep(-alt)?$":
         type: object
+        $ref: input.yaml#
         description: Represents a deep-touch event reported by the channel.
 
         properties:
@@ -446,9 +445,7 @@ patternProperties:
             default: 0
             description: Specifies the hysteresis for the event.
 
-          linux,code:
+          linux,code: true
-            $ref: /schemas/types.yaml#/definitions/uint32
-            description: Numeric key or switch code associated with the event.
 
         additionalProperties: false
 

Documentation/devicetree/bindings/input/iqs626a.yaml

@@ -449,6 +449,7 @@ patternProperties:
     patternProperties:
       "^event-(prox|touch|deep)(-alt)?$":
         type: object
+        $ref: input.yaml#
         description:
           Represents a proximity, touch or deep-touch event reported by the
           channel in response to a decrease in counts. Node names suffixed with
@@ -487,9 +488,7 @@ patternProperties:
               Specifies the hysteresis for the event (touch and deep-touch
               events only).
 
-          linux,code:
+          linux,code: true
-            $ref: /schemas/types.yaml#/definitions/uint32
-            description: Numeric key or switch code associated with the event.
 
           linux,input-type:
             $ref: /schemas/types.yaml#/definitions/uint32

Documentation/devicetree/bindings/input/iqs62x-keys.yaml

@@ -89,15 +89,14 @@ properties:
 patternProperties:
   "^hall-switch-(north|south)$":
     type: object
+    $ref: input.yaml#
     description:
       Represents north/south-field Hall-effect sensor touch or proximity
       events. Note that north/south-field orientation is reversed on the
       IQS620AXzCSR device due to its flip-chip package.
 
     properties:
-      linux,code:
+      linux,code: true
-        $ref: /schemas/types.yaml#/definitions/uint32
-        description: Numeric switch code associated with the event.
 
       azoteq,use-prox:
         $ref: /schemas/types.yaml#/definitions/flag

Documentation/devicetree/bindings/input/max77650-onkey.yaml

@@ -16,15 +16,15 @@ description: |
   The onkey controller is represented as a sub-node of the PMIC node on
   the device tree.
 
+allOf:
+  - $ref: input.yaml#
+
 properties:
   compatible:
     const: maxim,max77650-onkey
 
   linux,code:
-    $ref: /schemas/types.yaml#/definitions/uint32
+    default: 116  # KEY_POWER
-    description:
-      The key-code to be reported when the key is pressed. Defaults
-      to KEY_POWER.
 
   maxim,onkey-slide:
     $ref: /schemas/types.yaml#/definitions/flag