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

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Date:   Mon,  7 Jun 2021 16:28:26 +0100
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     bjorn.andersson@...aro.org, broonie@...nel.org
Cc:     plai@...eaurora.org, tiwai@...e.de, robh@...nel.org,
        devicetree@...r.kernel.org, perex@...ex.cz,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        lgirdwood@...il.com, bgoswami@...eaurora.org,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [RFC PATCH 03/13] ASoC: qcom: dt-bindings: add bindings Audio Processing manager

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@...aro.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@...aro.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