linux-kernel - [PATCH 1/1] dt-bindings: mailbox: fsl,mu: Add i.MX94 compatible

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Message-Id: <20250306155225.99807-1-Frank.Li@nxp.com>
Date: Thu,  6 Mar 2025 10:52:24 -0500
From: Frank Li <Frank.Li@....com>
To: Jassi Brar <jassisinghbrar@...il.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Dong Aisheng <aisheng.dong@....com>,
	linux-kernel@...r.kernel.org (open list:MAILBOX API),
	devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS)
Cc: imx@...ts.linux.dev
Subject: [PATCH 1/1] dt-bindings: mailbox: fsl,mu: Add i.MX94 compatible

Add compatible string "fsl,imx94-mu" for the i.MX94 chip, which is backward
compatible with i.MX95. Set it to fall back to "fsl,imx95-mu".

Signed-off-by: Frank Li <Frank.Li@....com>
---
 Documentation/devicetree/bindings/mailbox/fsl,mu.yaml | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml b/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml
index 00631afcd51d8..581425aacdccf 100644
--- a/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml
+++ b/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml
@@ -54,6 +54,10 @@ properties:
               - fsl,imx8qm-mu
               - fsl,imx8qxp-mu
           - const: fsl,imx6sx-mu
+      - items:
+          - enum:
+              - fsl,imx94-mu
+          - const: fsl,imx95-mu
 
   reg:
     maxItems: 1
@@ -142,7 +146,8 @@ allOf:
       not:
         properties:
           compatible:
-            const: fsl,imx95-mu
+            contains:
+              const: fsl,imx95-mu
     then:
       patternProperties:
         "^sram@[a-f0-9]+": false
-- 
2.34.1