On Wed, Feb 23, 2022 at 10:31:54AM +0800, 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 separate tx/rx interrupt, so update > interrupts and add interrupt-names property. > > Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx> > Signed-off-by: Peng Fan <peng.fan@xxxxxxx> > --- > .../devicetree/bindings/mailbox/fsl,mu.yaml | 27 ++++++++++++++++++- > 1 file changed, 26 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml b/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml > index 6d056d5e16bf..f5f9d501845d 100644 > --- a/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml > +++ b/Documentation/devicetree/bindings/mailbox/fsl,mu.yaml > @@ -29,6 +29,7 @@ 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 > @@ -55,7 +56,13 @@ properties: > maxItems: 1 > > interrupts: > - maxItems: 1 > + minItems: 1 I still don't think you tested this with 2 items. You need minItems and maxItems. > + > + interrupt-names: > + minItems: 1 > + items: > + - const: tx > + - const: rx > > "#mbox-cells": > description: | > @@ -90,6 +97,24 @@ required: > - interrupts > - "#mbox-cells" > > +allOf: > + - if: > + properties: > + compatible: > + enum: > + - fsl,imx93-mu-s4 > + then: > + properties: > + interrupt-names: > + minItems: 2 > + interrupts: > + maxItems: 2 s/maxItems/minItems/ > + > + else: > + properties: > + interrupts: > + maxItems: 1 > + > additionalProperties: false > > examples: > -- > 2.25.1 > >