soc: dt-bindings: qcom: apr: convert to yaml

Convert APR bindings to yaml format so that we could add new bindings support.

All the dsp services bindings are now part of apr bindings instead
of adding them to audio bindings.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210927135559.738-2-srinivas.kandagatla@linaro.org

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

@@ -0,0 +1,135 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/soc/qcom/qcom,apr.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Qualcomm APR (Asynchronous Packet Router) binding
+
+maintainers:
+  - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
+
+description: |
+  This binding describes the Qualcomm APR, APR is a IPC protocol for
+  communication between Application processor and QDSP. APR is mainly
+  used for audio/voice services on the QDSP.
+
+properties:
+  compatible:
+    enum:
+      - qcom,apr-v2
+
+  qcom,apr-domain:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    enum: [1, 2, 3, 4, 5, 6, 7]
+    description:
+      Selects the processor domain for apr
+        1 = APR simulator
+        2 = PC Domain
+        3 = Modem Domain
+        4 = ADSP Domain
+        5 = Application processor Domain
+        6 = Modem2 Domain
+        7 = Application Processor2 Domain
+
+  '#address-cells':
+    const: 1
+
+  '#size-cells':
+    const: 0
+
+#APR Services
+patternProperties:
+  "^service@[3-9a-d]$":
+    type: object
+    description:
+      APR node's client devices use subnodes for desired static port services.
+
+    properties:
+      compatible:
+        enum:
+          - qcom,q6core
+          - qcom,q6asm
+          - qcom,q6afe
+          - qcom,q6adm
+
+      reg:
+        minimum: 3
+        maximum: 13
+        description:
+          APR Service ID
+            3 = DSP Core Service
+            4 = Audio  Front End Service.
+            5 = Voice Stream Manager Service.
+            6 = Voice processing manager.
+            7 = Audio Stream Manager Service.
+            8 = Audio Device Manager Service.
+            9 = Multimode voice manager.
+            10 = Core voice stream.
+            11 = Core voice processor.
+            12 = Ultrasound stream manager.
+            13 = Listen stream manager.
+
+      qcom,protection-domain:
+        $ref: /schemas/types.yaml#/definitions/string-array
+        description: protection domain service name and path for apr service
+          possible values are
+          "avs/audio", "msm/adsp/audio_pd".
+          "kernel/elf_loader", "msm/modem/wlan_pd".
+          "tms/servreg", "msm/adsp/audio_pd".
+          "tms/servreg", "msm/modem/wlan_pd".
+          "tms/servreg", "msm/slpi/sensor_pd".
+
+      '#address-cells':
+        const: 1
+
+      '#size-cells':
+        const: 0
+
+    patternProperties:
+      "^.*@[0-9a-f]+$":
+        type: object
+        description:
+          Service based devices like clock controllers or digital audio interfaces.
+
+    additionalProperties: false
+
+required:
+  - compatible
+  - qcom,apr-domain
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/soc/qcom,apr.h>
+    apr {
+        compatible = "qcom,apr-v2";
+        qcom,apr-domain = <APR_DOMAIN_ADSP>;
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        q6core: service@3 {
+          compatible = "qcom,q6core";
+          reg = <APR_SVC_ADSP_CORE>;
+          qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd";
+        };
+
+        q6afe: service@4 {
+          compatible = "qcom,q6afe";
+          reg = <APR_SVC_AFE>;
+          qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd";
+        };
+
+        q6asm: service@7 {
+          compatible = "qcom,q6asm";
+          reg = <APR_SVC_ASM>;
+          qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd";
+        };
+
+        q6adm: service@8 {
+          compatible = "qcom,q6adm";
+          reg = <APR_SVC_ADM>;
+          qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd";
+        };
+    };