[RFC PATCH 03/13] ASoC: qcom: dt-bindings: add bindings Audio Processing manager

[Srinivas Kandagatla <srinivas.kandagatla@linaro.org>]

This patch adds bindings support for Qualcomm Audio Processing Manager
service in Audio DSP.

Audio Process Manager is one of the static service in DSP which is
responsible for Command/response handling, graph Management
and Control/Event management between modules.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
 .../devicetree/bindings/sound/qcom,q6apm.yaml | 72 +++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/qcom,q6apm.yaml

diff --git a/Documentation/devicetree/bindings/sound/qcom,q6apm.yaml b/Documentation/devicetree/bindings/sound/qcom,q6apm.yaml
new file mode 100644
index 000000000000..9906ef935206
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/qcom,q6apm.yaml
@@ -0,0 +1,72 @@
+# 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 binding
+
+maintainers:
+  - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
+
+description: |
+  This binding describes the Qualcomm Audio Process Manager service in DSP
+
+properties:
+  compatible:
+    const: qcom,q6apm
+
+  reg:
+    maxItems: 1
+
+#APM Services
+patternProperties:
+  "^.*@[0-9a-f]+$":
+    type: object
+    description:
+      APM devices use subnodes for services.
+
+    properties:
+      compatible:
+        enum:
+          - qcom,q6apm-dai
+          - qcom,q6apm-bedai
+
+      iommus:
+        maxItems: 1
+
+      "#sound-dai-cels":
+        const: 1
+
+    required:
+      - compatible
+      - reg
+
+    additionalProperties: false
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: true
+
+examples:
+  - |
+    gpr {
+        #address-cells = <1>;
+        #size-cells = <0>;
+        gprservice@1 {
+          compatible = "qcom,q6apm";
+          reg = <1>;
+
+          q6apm-dai {
+            compatible = "qcom,q6apm-dai";
+            #sound-dai-cels = <1>;
+          };
+
+          q6apm-bedai {
+            compatible = "qcom,q6apm-bedai";
+            #sound-dai-cels = <1>;
+          };
+        };
+    };
-- 
2.21.0