[PATCH 2/2] ASoC: dt-bindings: imx-akcodec: Add binding doc for akcodec machine driver

[Shengjiu Wang <shengjiu.wang@nxp.com>]

Imx-akcodec is a new added machine driver for supporting
ak4458/ak5558/ak5552/ak4497 codec on i.MX platforms.

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
---
 .../bindings/sound/imx-audio-akcodec.yaml     | 60 +++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/imx-audio-akcodec.yaml

diff --git a/Documentation/devicetree/bindings/sound/imx-audio-akcodec.yaml b/Documentation/devicetree/bindings/sound/imx-audio-akcodec.yaml
new file mode 100644
index 000000000000..7419bf7224e9
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/imx-audio-akcodec.yaml
@@ -0,0 +1,60 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/imx-audio-akcodec.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP i.MX audio complex with AK4458/AK5558/AK5552/AK4497 codec
+
+maintainers:
+  - Shengjiu Wang <shengjiu.wang@nxp.com>
+
+properties:
+  compatible:
+    enum:
+      - fsl,imx8mq-audio-ak4458
+      - fsl,imx8mq-audio-ak4497
+      - fsl,imx8mq-audio-ak5558
+      - fsl,imx-audio-ak4497
+      - fsl,imx-audio-ak4458
+      - fsl,imx-audio-ak5558
+      - fsl,imx-audio-ak5552
+
+  model:
+    $ref: /schemas/types.yaml#/definitions/string
+    description: User specified audio sound card name
+
+  audio-cpu:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: The phandle of a CPU DAI controller
+
+  audio-codec:
+    description: The phandle of Codec DAI controllers, there are two
+                 controllers maximum.
+
+  audio-asrc:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: The phandle of ASRC. It can be absent if there's no
+                 need to add ASRC support via DPCM.
+
+  fsl,tdm:
+    $ref: /schemas/types.yaml#/definitions/flag
+    description: |
+      This is a boolean property. If present, the TDM mode is enabled.
+
+required:
+  - compatible
+  - model
+  - audio-cpu
+  - audio-codec
+
+additionalProperties: false
+
+examples:
+  - |
+    sound-ak4458 {
+        compatible = "fsl,imx-audio-ak4458";
+        model = "ak4458-audio";
+        audio-cpu = <&sai1>;
+        audio-codec = <&ak4458_1>, <&ak4458_2>;
+    };
-- 
2.17.1