ASoC: dt-bindings: meson: convert axg pdm to schema

Convert the DT binding documentation for the Amlogic axg PDM device to
schema.

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230206153449.596326-4-jbrunet@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 82 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/sound/amlogic,axg-pdm.yaml b/Documentation/devicetree/bindings/sound/amlogic,axg-pdm.yaml
new file mode 100644
index 000000000000..df21dd72fc65
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/amlogic,axg-pdm.yaml
@@ -0,0 +1,82 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/amlogic,axg-pdm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Amlogic Audio AXG PDM input
+
+maintainers:
+  - Jerome Brunet <jbrunet@baylibre.com>
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+          - enum:
+              - amlogic,g12a-pdm
+              - amlogic,sm1-pdm
+          - const: amlogic,axg-pdm
+      - const: amlogic,axg-pdm
+
+  reg:
+    maxItems: 1
+
+  "#sound-dai-cells":
+    const: 0
+
+  clocks:
+    items:
+      - description: Peripheral clock
+      - description: PDM digital clock
+      - description: DSP system clock
+
+  clock-names:
+    items:
+      - const: pclk
+      - const: dclk
+      - const: sysclk
+
+  resets:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - "#sound-dai-cells"
+  - clocks
+  - clock-names
+
+allOf:
+  - $ref: dai-common.yaml#
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - amlogic,g12a-pdm
+              - amlogic,sm1-pdm
+    then:
+      required:
+        - resets
+
+    else:
+      properties:
+        resets: false
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/axg-audio-clkc.h>
+
+    audio-controller@ff632000 {
+        compatible = "amlogic,axg-pdm";
+        reg = <0xff632000 0x34>;
+        #sound-dai-cells = <0>;
+        clocks = <&clkc_audio AUD_CLKID_PDM>,
+                 <&clkc_audio AUD_CLKID_PDM_DCLK>,
+                 <&clkc_audio AUD_CLKID_PDM_SYSCLK>;
+        clock-names = "pclk", "dclk", "sysclk";
+    };