[PATCH v2 04/16] ASoC: qcom: dt-bindings: add bindings Audio Processing manager

Srinivas Kandagatla srinivas.kandagatla at linaro.org
Wed Jul 14 17:30:27 CEST 2021


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 at linaro.org>
---
 .../devicetree/bindings/sound/qcom,q6apm.yaml | 87 +++++++++++++++++++
 include/dt-bindings/sound/qcom,q6apm.h        |  8 ++
 2 files changed, 95 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/qcom,q6apm.yaml
 create mode 100644 include/dt-bindings/sound/qcom,q6apm.h

diff --git a/Documentation/devicetree/bindings/sound/qcom,q6apm.yaml b/Documentation/devicetree/bindings/sound/qcom,q6apm.yaml
new file mode 100644
index 000000000000..6f27567523a9
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/qcom,q6apm.yaml
@@ -0,0 +1,87 @@
+# 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 at linaro.org>
+
+description: |
+  This binding describes the Qualcomm Audio Process Manager service in DSP
+
+properties:
+  compatible:
+    const: qcom,q6apm
+
+  reg:
+    maxItems: 1
+
+  '#address-cells':
+    const: 1
+
+  '#size-cells':
+    const: 0
+
+#APM Services
+patternProperties:
+  'apm@[0-9]+$':
+    type: object
+    description:
+      APM devices use subnodes for services.
+
+    properties:
+      compatible:
+        enum:
+          - qcom,q6apm-dais
+          - qcom,q6apm-bedais
+
+      iommus:
+        maxItems: 1
+
+      "#sound-dai-cells":
+        const: 1
+
+      reg:
+        maxItems: 1
+
+    required:
+      - compatible
+      - reg
+      - '#sound-dai-cells'
+
+    additionalProperties: false
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    gpr {
+        #address-cells = <1>;
+        #size-cells = <0>;
+        gprservice at 1 {
+          compatible = "qcom,q6apm";
+          reg = <1>;
+
+          #address-cells = <1>;
+          #size-cells = <0>;
+
+          apm at 1 {
+            compatible = "qcom,q6apm-dais";
+            #sound-dai-cells = <1>;
+            reg = <1>;
+          };
+
+          apm at 2 {
+            compatible = "qcom,q6apm-bedais";
+            #sound-dai-cells = <1>;
+            reg = <2>;
+          };
+        };
+    };
diff --git a/include/dt-bindings/sound/qcom,q6apm.h b/include/dt-bindings/sound/qcom,q6apm.h
new file mode 100644
index 000000000000..3c3987eb6e95
--- /dev/null
+++ b/include/dt-bindings/sound/qcom,q6apm.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __DT_BINDINGS_Q6_APM_H__
+#define __DT_BINDINGS_Q6_APM_H__
+
+/* Audio Process Manager (APM) virtual ports IDs */
+#include <dt-bindings/sound/qcom,q6afe.h>
+
+#endif /* __DT_BINDINGS_Q6_APM_H__ */
-- 
2.21.0



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