ASoC: dt-bindings: Add common sound card properties

Almost every board machine / sound cards has "audio-routing" and "model"
properties, so move them to common schema to have only one definition of
these properties.

For amlogic,gx-sound-card, drop the minItems: 2 from the
"audio-routing", because any limit here - lower or upper- is rather
meaningless.  This will also fix `dtbs_check` warnings like:

  meson-gxm-s912-libretech-pc.dtb: sound: audio-routing: ['AU2 INL', 'ACODEC LOLN', 'AU2 INR', 'ACODEC LORN', '7J4-14 LEFT', 'AU2 OUTL', '7J4-11 RIGHT', 'AU2 OUTR'] is too long
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230810063300.20151-1-krzysztof.kozlowski@linaro.orgSigned-off-by: Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/sound/amlogic,axg-sound-card.yaml

@@ -9,6 +9,9 @@ title: Amlogic AXG sound card
 maintainers:
   - Jerome Brunet <jbrunet@baylibre.com>
 
+allOf:
+  - $ref: sound-card-common.yaml#
+
 properties:
   compatible:
     const: amlogic,axg-sound-card
@@ -17,23 +20,12 @@ properties:
     $ref: /schemas/types.yaml#/definitions/phandle-array
     description: list of auxiliary devices
 
-  audio-routing:
-    $ref: /schemas/types.yaml#/definitions/non-unique-string-array
-    description:
-      A list of the connections between audio components. Each entry is a
-      pair of strings, the first being the connection's sink, the second
-      being the connection's source.
-
   audio-widgets:
     $ref: /schemas/types.yaml#/definitions/non-unique-string-array
     description:
       A list off component DAPM widget. Each entry is a pair of strings,
       the first being the widget type, the second being the widget name
 
-  model:
-    $ref: /schemas/types.yaml#/definitions/string
-    description: User specified audio sound card name
-
 patternProperties:
   "^dai-link-[0-9]+$":
     type: object
@@ -108,7 +100,6 @@ patternProperties:
       - sound-dai
 
 required:
-  - model
   - dai-link-0
 
 unevaluatedProperties: false

Documentation/devicetree/bindings/sound/amlogic,gx-sound-card.yaml

@@ -9,6 +9,9 @@ title: Amlogic GX sound card
 maintainers:
   - Jerome Brunet <jbrunet@baylibre.com>
 
+allOf:
+  - $ref: sound-card-common.yaml#
+
 properties:
   compatible:
     items:
@@ -18,14 +21,6 @@ properties:
     $ref: /schemas/types.yaml#/definitions/phandle-array
     description: list of auxiliary devices
 
-  audio-routing:
-    $ref: /schemas/types.yaml#/definitions/non-unique-string-array
-    minItems: 2
-    description: |-
-      A list of the connections between audio components. Each entry is a
-      pair of strings, the first being the connection's sink, the second
-      being the connection's source.
-
   audio-widgets:
     $ref: /schemas/types.yaml#/definitions/non-unique-string-array
     minItems: 2
@@ -33,10 +28,6 @@ properties:
       A list off component DAPM widget. Each entry is a pair of strings,
       the first being the widget type, the second being the widget name
 
-  model:
-    $ref: /schemas/types.yaml#/definitions/string
-    description: User specified audio sound card name
-
 patternProperties:
   "^dai-link-[0-9]+$":
     type: object
@@ -86,7 +77,7 @@ required:
   - model
   - dai-link-0
 
-additionalProperties: false
+unevaluatedProperties: false
 
 examples:
   - |

Documentation/devicetree/bindings/sound/fsl,rpmsg.yaml

@@ -17,6 +17,9 @@ description: |
   such as SAI, MICFIL, .etc through building rpmsg channels between
   Cortex-A and Cortex-M.
 
+allOf:
+  - $ref: sound-card-common.yaml#
+
 properties:
   compatible:
     enum:
@@ -27,10 +30,6 @@ properties:
       - fsl,imx8ulp-rpmsg-audio
       - fsl,imx93-rpmsg-audio
 
-  model:
-    $ref: /schemas/types.yaml#/definitions/string
-    description: User specified audio sound card name
-
   clocks:
     items:
       - description: Peripheral clock for register access
@@ -66,13 +65,6 @@ properties:
     $ref: /schemas/types.yaml#/definitions/phandle
     description: The phandle to a node of audio codec
 
-  audio-routing:
-    $ref: /schemas/types.yaml#/definitions/non-unique-string-array
-    description: |
-      A list of the connections between audio components. Each entry is a
-      pair of strings, the first being the connection's sink, the second
-      being the connection's source.
-
   fsl,enable-lpa:
     $ref: /schemas/types.yaml#/definitions/flag
     description: enable low power audio path.
@@ -101,9 +93,8 @@ properties:
 
 required:
   - compatible
-  - model
 
-additionalProperties: false
+unevaluatedProperties: false
 
 examples:
   - |

Documentation/devicetree/bindings/sound/google,sc7180-trogdor.yaml

@@ -13,23 +13,15 @@ maintainers:
 description:
   This binding describes the SC7180 sound card which uses LPASS for audio.
 
+allOf:
+  - $ref: sound-card-common.yaml#
+
 properties:
   compatible:
     enum:
       - google,sc7180-trogdor
       - google,sc7180-coachz
 
-  audio-routing:
-    $ref: /schemas/types.yaml#/definitions/non-unique-string-array
-    description:
-      A list of the connections between audio components. Each entry is a
-      pair of strings, the first being the connection's sink, the second
-      being the connection's source.
-
-  model:
-    $ref: /schemas/types.yaml#/definitions/string
-    description: User specified audio sound card name
-
   "#address-cells":
     const: 1
 
@@ -86,11 +78,10 @@ patternProperties:
 
 required:
   - compatible
-  - model
   - "#address-cells"
   - "#size-cells"
 
-additionalProperties: false
+unevaluatedProperties: false
 
 examples:
 

Documentation/devicetree/bindings/sound/google,sc7280-herobrine.yaml

@@ -13,22 +13,14 @@ maintainers:
 description:
   This binding describes the SC7280 sound card which uses LPASS for audio.
 
+allOf:
+  - $ref: sound-card-common.yaml#
+
 properties:
   compatible:
     enum:
       - google,sc7280-herobrine
 
-  audio-routing:
-    $ref: /schemas/types.yaml#/definitions/non-unique-string-array
-    description:
-      A list of the connections between audio components. Each entry is a
-      pair of strings, the first being the connection's sink, the second
-      being the connection's source.
-
-  model:
-    $ref: /schemas/types.yaml#/definitions/string
-    description: User specified audio sound card name
-
   "#address-cells":
     const: 1
 
@@ -97,11 +89,10 @@ patternProperties:
 
 required:
   - compatible
-  - model
   - "#address-cells"
   - "#size-cells"
 
-additionalProperties: false
+unevaluatedProperties: false
 
 examples:
 

Documentation/devicetree/bindings/sound/imx-audio-card.yaml

@@ -9,23 +9,14 @@ title: NXP i.MX audio sound card.
 maintainers:
   - Shengjiu Wang <shengjiu.wang@nxp.com>
 
+allOf:
+  - $ref: sound-card-common.yaml#
+
 properties:
   compatible:
     enum:
       - fsl,imx-audio-card
 
-  model:
-    $ref: /schemas/types.yaml#/definitions/string
-    description: User specified audio sound card name
-
-  audio-routing:
-    $ref: /schemas/types.yaml#/definitions/non-unique-string-array
-    description:
-      A list of the connections between audio components. Each entry is a
-      pair of strings, the first being the connection's sink, the second
-      being the connection's source. Valid names could be power supplies,
-      MicBias of codec and the jacks on the board.
-
 patternProperties:
   ".*-dai-link$":
     description:
@@ -84,9 +75,8 @@ patternProperties:
 
 required:
   - compatible
-  - model
 
-additionalProperties: false
+unevaluatedProperties: false
 
 examples:
   - |

Documentation/devicetree/bindings/sound/sound-card-common.yaml

+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/sound-card-common.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Board Sound Card Common Properties
+
+maintainers:
+  - Mark Brown <broonie@kernel.org>
+
+properties:
+  audio-routing:
+    $ref: /schemas/types.yaml#/definitions/non-unique-string-array
+    description: |
+      A list of the connections between audio components. Each entry is a
+      pair of strings, the first being the connection's sink, the second
+      being the connection's source.
+
+  model:
+    $ref: /schemas/types.yaml#/definitions/string
+    description: User specified audio sound card name
+
+required:
+  - model
+
+additionalProperties: true