ASoC: dt-bindings: qcom,q6apm: Split to separate schema

The APR/GPR bindings with services got complicated so move out the Q6APM
service to its own binding.  Previously the compatible was documented in
qcom,apr.yaml.  Move most of the examples from its children to this new
file.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20221115120235.167812-6-krzysztof.kozlowski@linaro.orgSigned-off-by: Mark Brown <broonie@kernel.org>

Documentation/devicetree/bindings/sound/qcom,q6apm-dai.yaml

@@ -27,20 +27,7 @@ additionalProperties: false
 
 examples:
   - |
-    #include <dt-bindings/soc/qcom,gpr.h>
-    gpr {
-        compatible = "qcom,gpr";
-        #address-cells = <1>;
-        #size-cells = <0>;
-        qcom,domain = <GPR_DOMAIN_ID_ADSP>;
-
-        service@1 {
-            compatible = "qcom,q6apm";
-            reg = <1>;
-
     dais {
         compatible = "qcom,q6apm-dais";
         iommus = <&apps_smmu 0x1801 0x0>;
     };
-        };
-    };

Documentation/devicetree/bindings/sound/qcom,q6apm.yaml

+# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/qcom,q6apm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Audio Process Manager (Q6APM)
+
+maintainers:
+  - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
+  - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
+
+allOf:
+  - $ref: /schemas/soc/qcom/qcom,apr-services.yaml#
+
+properties:
+  compatible:
+    enum:
+      - qcom,q6apm
+
+  dais:
+    type: object
+    $ref: /schemas/sound/qcom,q6apm-dai.yaml#
+    unevaluatedProperties: false
+    description: Qualcomm DSP audio ports
+
+required:
+  - compatible
+  - dais
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/soc/qcom,gpr.h>
+
+    gpr {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        service@1 {
+            reg = <GPR_APM_MODULE_IID>;
+            compatible = "qcom,q6apm";
+            qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd";
+
+            dais {
+                compatible = "qcom,q6apm-dais";
+                iommus = <&apps_smmu 0x1801 0x0>;
+            };
+        };
+    };