On 07/02/2022 10:58, Peng Fan (OSS) wrote: > From: Peng Fan <peng.fan@xxxxxxx> > > Similar to i.MX8ULP S4 MU, i.MX93 MU is dedicated for communication > between Sentinel and Cortex-A cores from hardware design, it could not be > reused for other purpose. > > However i.MX93 S4 MU use seperate tx/rx interrupt, so update > interrupts and add interrupt-names property. > > Signed-off-by: Peng Fan <peng.fan@xxxxxxx> > --- > .../devicetree/bindings/mailbox/fsl,mu.yaml | 14 +++++++++++--- > 1 file changed, 11 insertions(+), 3 deletions(-) > > diff --git a/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml b/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml > index 713cb847cd8c..f99890ae1813 100644 > --- a/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml > +++ b/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml > @@ -29,10 +29,11 @@ properties: > - const: fsl,imx8ulp-mu > - const: fsl,imx8-mu-scu > - const: fsl,imx8-mu-seco > + - const: fsl,imx93-mu-s4 > - const: fsl,imx8ulp-mu-s4 > - items: > - const: fsl,imx93-mu > - const: fsl,imx8ulp-mu > + - const: fsl,imx93-mu > + - const: fsl,imx8ulp-mu > - items: > - enum: > - fsl,imx7s-mu > @@ -55,7 +56,14 @@ properties: > maxItems: 1 > > interrupts: > - maxItems: 1 > + minItems: 1 > + maxItems: 2 > + > + interrupt-names: > + minItems: 1 > + items: > + - const: txirq > + - const: rxirq You miss 'if' block defining number of interrupts per compatibles. > > "#mbox-cells": > description: | Best regards, Krzysztof