[PATCH v4 12/20] ASoC: dt-bindings: add q6apm digital audio stream bindings

[Srinivas Kandagatla]

On AudioReach audio Framework, Audio Streams (PCM/Compressed) are managed by
Q6APM(Audio Process Manager) service. This patch adds bindings for this DAIs
exposed by the DSP.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla at linaro.org>
---
 .../bindings/sound/qcom,q6apm-dai.yaml        | 50 +++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/qcom,q6apm-dai.yaml

diff --git a/Documentation/devicetree/bindings/sound/qcom,q6apm-dai.yaml b/Documentation/devicetree/bindings/sound/qcom,q6apm-dai.yaml
new file mode 100644
index 000000000000..75431d1c0b2a
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/qcom,q6apm-dai.yaml
@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/sound/qcom,q6apm-dai.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Qualcomm Audio Process Manager Digital Audio Interfaces binding
+
+maintainers:
+  - Srinivas Kandagatla <srinivas.kandagatla at linaro.org>
+
+description: |
+  This binding describes the Qualcomm APM DAIs in DSP
+
+properties:
+  compatible:
+    const: qcom,q6apm-dais
+
+  reg:
+    maxItems: 1
+
+  iommus:
+    maxItems: 1
+
+required:
+  - compatible
+  - iommus
+  - 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";
+            iommus = <&apps_smmu 0x1801 0x0>;
+            reg = <1>;
+          };
+        };
+    };
-- 
2.21.0