From: ChiYuan Huang <cy_huang@richtek.com>

Add rtq9154 backward compatible support.

Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
---
v2
- Fix commit message typo
---
 .../devicetree/bindings/sound/richtek,rtq9128.yaml   | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/sound/richtek,rtq9128.yaml b/Documentation/devicetree/bindings/sound/richtek,rtq9128.yaml
index d54686a19ab7..a125663988a5 100644
--- a/Documentation/devicetree/bindings/sound/richtek,rtq9128.yaml
+++ b/Documentation/devicetree/bindings/sound/richtek,rtq9128.yaml
@@ -14,13 +14,21 @@ description:
   class-D audio power amplifier and delivering 4x75W into 4OHm at 10%
   THD+N from a 25V supply in automotive applications.
 
+  The RTQ9154 is the family series of RTQ9128. The major change is to modify
+  the package size. Beside this, whole functions are almost all the same.
+
 allOf:
   - $ref: dai-common.yaml#
 
 properties:
   compatible:
-    enum:
-      - richtek,rtq9128
+    oneOf:
+      - enum:
+          - richtek,rtq9128
+      - items:
+          - enum:
+              - richtek,rtq9154
+          - const: richtek,rtq9128
 
   reg:
     maxItems: 1
-- 
2.34.1

On Mon, Jan 12, 2026 at 09:27:33AM +0800, cy_huang@richtek.com wrote:
> From: ChiYuan Huang <cy_huang@richtek.com>
> 
> Add rtq9154 backward compatible support.

Please submit patches using subject lines reflecting the style for the
subsystem, this makes it easier for people to identify relevant patches.
Look at what existing commits in the area you're changing are doing and
make sure your subject lines visually resemble what they're doing.
There's no need to resubmit to fix this alone.