[PATCH 1/4] dt-bindings: mailbox: imx-mu: add i.MX8ULP MU support

From: Peng Fan <peng.fan@nxp.com>

The register layout and bits definition of i.MX8ULP MU is different
compared with others, let's add the compatible for the new MU.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 Documentation/devicetree/bindings/mailbox/fsl,mu.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml b/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml
index 1a3dff277e2b..675ad9de15bb 100644
--- a/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml
+++ b/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml

@@ -26,6 +26,7 @@ properties:
     oneOf:
       - const: fsl,imx6sx-mu
       - const: fsl,imx7ulp-mu
+      - const: fsl,imx8ulp-mu
       - const: fsl,imx8-mu-scu
       - items:
           - enum:

-- 
2.30.0