From 198f3bfc6658c2f1a75cf0e9b03231242cc711cf Mon Sep 17 00:00:00 2001
From: "Rob Herring (Arm)" <robh@kernel.org>
Date: Mon, 21 Sep 2026 18:26:48 -0500
Subject: [PATCH] dt-bindings: mfd: Add MT6397 sound DAI cells

Document the one sound DAI cell provided by MT6397 PMIC nodes.

Assisted-by: LLM
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20260921232649.3132592-1-robh@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>
---
 Documentation/devicetree/bindings/mfd/mediatek,mt6397.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/mfd/mediatek,mt6397.yaml b/Documentation/devicetree/bindings/mfd/mediatek,mt6397.yaml
index d2de227ae7a6..bbd56e522a75 100644
--- a/Documentation/devicetree/bindings/mfd/mediatek,mt6397.yaml
+++ b/Documentation/devicetree/bindings/mfd/mediatek,mt6397.yaml
@@ -57,6 +57,9 @@ properties:
   "#interrupt-cells":
     const: 2
 
+  "#sound-dai-cells":
+    const: 1
+
   rtc:
     type: object
     $ref: /schemas/rtc/rtc.yaml#