Re: [PATCH v3 09/13] ASoC: dt-bindings: tegra: Add schema for audio graph card

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Add YAML schema for Tegra audio graph sound card DT bindings. It uses the
same DT bindings provided by generic audio graph driver. Along with this
few standard clock DT bindings are added which are specifically required
for Tegra audio.

Signed-off-by: Sameer Pujar <spujar@xxxxxxxxxx>
---
  .../sound/nvidia,tegra-audio-graph-card.yaml       | 70 ++++++++++++++++++++++
  1 file changed, 70 insertions(+)
  create mode 100644 Documentation/devicetree/bindings/sound/nvidia,tegra-audio-graph-card.yaml

diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-graph-card.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-graph-card.yaml
new file mode 100644
index 0000000..b73fbe5
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-graph-card.yaml
@@ -0,0 +1,70 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/nvidia,tegra-audio-graph-card.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Audio Graph based Tegra sound card driver
+
+description: |
+  This is based on generic audio graph card driver along with additional
+  customizations for Tegra platforms. It uses the same bindings with
+  additional standard clock DT bindings required for Tegra.
+
+  See{LINUX}/Documentation/devicetree/bindings/sound/audio-graph-card.txt
+
+maintainers:
+  - Jon Hunter <jonathanh@xxxxxxxxxx>
+  - Sameer Pujar <spujar@xxxxxxxxxx>
+
+properties:
+  compatible:
+    oneOf:
+      - const: nvidia,tegra210-audio-graph-card
+      - const: nvidia,tegra186-audio-graph-card
+
+  clocks:
+   minItems: 2
+
+  clock-names:
+   minItems: 2
+   items:
+     - const: pll_a
+     - const: plla_out0
+
+  assigned-clocks:
+    minItems: 1
+    maxItems: 3
+
+  assigned-clock-parents:
+    minItems: 1
+    maxItems: 3
+
+  assigned-clock-rates:
+    minItems: 1
+    maxItems: 3
+
+required:
+  - compatible
+  - clocks
+  - clock-names
+  - assigned-clocks
+  - assigned-clock-parents
Where's the graph? You need to define the ports and reference the common
schema.

I am looking to reference the bindings used in below doc which is not yet in YAML format. Only additional properties I listed here.
{LINUX}/Documentation/devicetree/bindings/sound/audio-graph-card.txt

Should I keep this doc to *.txt format as well and later move to YAML or is there a way to reference *.txt doc here?




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