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From:   Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
To:     bjorn.andersson@linaro.org, broonie@kernel.org, robh@kernel.org
Cc:     plai@codeaurora.org, tiwai@suse.de, devicetree@vger.kernel.org,
        perex@perex.cz, alsa-devel@alsa-project.org,
        linux-kernel@vger.kernel.org, lgirdwood@gmail.com,
        bgoswami@codeaurora.org,
        Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Subject: [PATCH v2 04/16] ASoC: qcom: dt-bindings: add bindings Audio Processing manager
Date:   Wed, 14 Jul 2021 16:30:27 +0100
Message-Id: <20210714153039.28373-5-srinivas.kandagatla@linaro.org>
In-Reply-To: <20210714153039.28373-1-srinivas.kandagatla@linaro.org>
References: <20210714153039.28373-1-srinivas.kandagatla@linaro.org>
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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 | 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@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@1 {
+          compatible = "qcom,q6apm";
+          reg = <1>;
+
+          #address-cells = <1>;
+          #size-cells = <0>;
+
+          apm@1 {
+            compatible = "qcom,q6apm-dais";
+            #sound-dai-cells = <1>;
+            reg = <1>;
+          };
+
+          apm@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