dt-bindings: soc: qcom: apr: add missing properties

The APR bindings were not describing all properties already used in DTS:
1. Add qcom,glink-channels, qcom,smd-channels and qcom,intents (widely
   used).
2. Add power-domains for MSM8996.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220910091428.50418-16-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/soc/qcom/qcom,apr.yaml

@@ -20,6 +20,9 @@ properties:
       - qcom,apr-v2
       - qcom,gpr
 
+  power-domains:
+    maxItems: 1
+
   qcom,apr-domain:
     $ref: /schemas/types.yaml#/definitions/uint32
     enum: [1, 2, 3, 4, 5, 6, 7]
@@ -52,6 +55,26 @@ properties:
         2 = Audio DSP Domain
         3 = Application Processor Domain
 
+  qcom,glink-channels:
+    $ref: /schemas/types.yaml#/definitions/string-array
+    description: Channel name used for the communication
+    items:
+      - const: apr_audio_svc
+
+  qcom,intents:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    description:
+      List of (size, amount) pairs describing what intents should be
+      preallocated for this virtual channel. This can be used to tweak the
+      default intents available for the channel to meet expectations of the
+      remote.
+
+  qcom,smd-channels:
+    $ref: /schemas/types.yaml#/definitions/string-array
+    description: Channel name used for the communication
+    items:
+      - const: apr_audio_svc
+
   '#address-cells':
     const: 1
 
@@ -172,6 +195,30 @@ required:
   - compatible
   - qcom,domain
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          enum:
+            - qcom,gpr
+    then:
+      properties:
+        power-domains: false
+
+  - if:
+      required:
+        - qcom,glink-channels
+    then:
+      properties:
+        qcom,smd-channels: false
+
+  - if:
+      required:
+        - qcom,smd-channels
+    then:
+      properties:
+        qcom,glink-channels: false
+
 additionalProperties: false
 
 examples: