From 52f203f9a8c7e57322e79577d1a8d50a5e3a5ef2 Mon Sep 17 00:00:00 2001
From: Xianwei Zhao <xianwei.zhao@amlogic.com>
Date: Thu, 23 Apr 2026 09:20:54 +0000
Subject: [PATCH] dt-bindings: arm: amlogic: add A311Y3 support

Add bindings for the Amlogic BY401 board, using A311Y3 Soc from
Amlogic A9 family chip.

Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
Link: https://patch.msgid.link/20260423-a9-baisc-dts-v4-1-c26b480a068c@amlogic.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 Documentation/devicetree/bindings/arm/amlogic.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/amlogic.yaml b/Documentation/devicetree/bindings/arm/amlogic.yaml
index a885278bc4e2..9f73a0054fb2 100644
--- a/Documentation/devicetree/bindings/arm/amlogic.yaml
+++ b/Documentation/devicetree/bindings/arm/amlogic.yaml
@@ -234,6 +234,12 @@ properties:
               - amlogic,av400
           - const: amlogic,a5
 
+      - description: Boards with the Amlogic A9 A311Y3 SoC
+        items:
+          - enum:
+              - amlogic,by401
+          - const: amlogic,a9
+
       - description: Boards with the Amlogic C3 C302X/C308L SoC
         items:
           - enum: