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SubjectRe: [PATCH V4 2/5] dt-bindings: mailbox: imx-mu: add i.MX93 S4 MU support
On Wed, Feb 23, 2022 at 10:31:54AM +0800, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan@nxp.com>
>
> 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@canonical.com>
> Signed-off-by: Peng Fan <peng.fan@nxp.com>
> ---
> .../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
>
>

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