linux-kernel - [PATCH 2/3] dt-bindings: Document Tegra264 HDA Support

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Message-ID: <20250512064258.1028331-3-sheetal@nvidia.com>
Date: Mon, 12 May 2025 06:42:57 +0000
From: "Sheetal ." <sheetal@...dia.com>
To: <lgirdwood@...il.com>, <broonie@...nel.org>, <robh@...nel.org>,
	<krzk+dt@...nel.org>, <conor+dt@...nel.org>
CC: <linux-sound@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<thierry.reding@...il.com>, <jonathanh@...dia.com>, <perex@...ex.cz>,
	<tiwai@...e.com>, Sheetal <sheetal@...dia.com>
Subject: [PATCH 2/3] dt-bindings: Document Tegra264 HDA Support

From: Sheetal <sheetal@...dia.com>

For Tegra264 device there is one clock, two resets and no power-domain.
Add the Tegra264 compatible and necessary logic to the binding doc to
determine appropriate clocks, resets and power-domain properties based
on the compatible string.

Signed-off-by: Sheetal <sheetal@...dia.com>
---
 .../bindings/sound/nvidia,tegra30-hda.yaml    | 25 +++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra30-hda.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra30-hda.yaml
index 703f009862a4..8a8767589ee0 100644
--- a/Documentation/devicetree/bindings/sound/nvidia,tegra30-hda.yaml
+++ b/Documentation/devicetree/bindings/sound/nvidia,tegra30-hda.yaml
@@ -24,6 +24,7 @@ properties:
           - nvidia,tegra30-hda
           - nvidia,tegra194-hda
           - nvidia,tegra234-hda
+          - nvidia,tegra264-hda
       - items:
           - enum:
               - nvidia,tegra186-hda
@@ -44,11 +45,11 @@ properties:
     maxItems: 1
 
   clocks:
-    minItems: 2
+    minItems: 1
     maxItems: 3
 
   clock-names:
-    minItems: 2
+    minItems: 1
     maxItems: 3
 
   resets:
@@ -153,6 +154,26 @@ allOf:
           items:
             - const: hda
             - const: hda2codec_2x
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - nvidia,tegra264-hda
+    then:
+      properties:
+        clocks:
+          maxItems: 1
+        clock-names:
+          items:
+            - const: hda
+        resets:
+          maxItems: 2
+        reset-names:
+          items:
+            - const: hda
+            - const: hda2codec_2x
+        power-domains: false
 
 examples:
   - |
-- 
2.17.1