[PATCH v2 1/3] ASoC: meson: g12a: add toacodec dt-binding documentation

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Add the DT bindings and documentation of the internal audio DAC glue found
on Amlogic g12a and sm1 SoC families

Signed-off-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx>
---
 .../bindings/sound/amlogic,g12a-toacodec.yaml | 51 +++++++++++++++++++
 .../dt-bindings/sound/meson-g12a-toacodec.h   | 10 ++++
 2 files changed, 61 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/amlogic,g12a-toacodec.yaml
 create mode 100644 include/dt-bindings/sound/meson-g12a-toacodec.h

diff --git a/Documentation/devicetree/bindings/sound/amlogic,g12a-toacodec.yaml b/Documentation/devicetree/bindings/sound/amlogic,g12a-toacodec.yaml
new file mode 100644
index 000000000000..f778d3371fde
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/amlogic,g12a-toacodec.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/amlogic,g12a-toacodec.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Amlogic G12a Internal DAC Control Glue
+
+maintainers:
+  - Jerome Brunet <jbrunet@xxxxxxxxxxxx>
+
+properties:
+  $nodename:
+    pattern: "^audio-controller@.*"
+
+  "#sound-dai-cells":
+    const: 1
+
+  compatible:
+    oneOf:
+      - items:
+        - const:
+            amlogic,g12a-toacodec
+      - items:
+        - enum:
+          - amlogic,sm1-toacodec
+        - const:
+            amlogic,g12a-toacodec
+
+  reg:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+required:
+  - "#sound-dai-cells"
+  - compatible
+  - reg
+  - resets
+
+examples:
+  - |
+    #include <dt-bindings/reset/amlogic,meson-g12a-audio-reset.h>
+
+    toacodec: audio-controller@740 {
+        compatible = "amlogic,g12a-toacodec";
+        reg = <0x0 0x740 0x0 0x4>;
+        #sound-dai-cells = <1>;
+        resets = <&clkc_audio AUD_RESET_TOACODEC>;
+    };
diff --git a/include/dt-bindings/sound/meson-g12a-toacodec.h b/include/dt-bindings/sound/meson-g12a-toacodec.h
new file mode 100644
index 000000000000..69d7a75592a2
--- /dev/null
+++ b/include/dt-bindings/sound/meson-g12a-toacodec.h
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __DT_MESON_G12A_TOACODEC_H
+#define __DT_MESON_G12A_TOACODEC_H
+
+#define TOACODEC_IN_A	0
+#define TOACODEC_IN_B	1
+#define TOACODEC_IN_C	2
+#define TOACODEC_OUT	3
+
+#endif /* __DT_MESON_G12A_TOACODEC_H */
-- 
2.24.1




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