[PATCH] dt-bindings: soc: ti: pruss: Add dma-coherent property
Rob Herring
robh at kernel.org
Tue Aug 3 12:28:47 PDT 2021
On Thu, Jul 29, 2021 at 10:19:01PM -0500, Suman Anna wrote:
> Update the PRUSS schema file to include the dma-coherent property
> that indicates the coherency of the IP. The PRUSS IPs on 66AK2G
> SoCs do use this property.
>
> Signed-off-by: Suman Anna <s-anna at ti.com>
> ---
> Hi Santosh,
>
> This patch updates the PRUSS binding in preparation for adding the
> PRUSS nodes for 66AK2G SoCs. Without this, the dtbs_check would
> complain about the undefined dma-coherent property. Patch is top
> of the AM64 ICSSG binding update patch [1].
New required properties are not backwards compatible. You are kind of
saying that here (not used yet?), but make that clear in the commit msg.
With that fixed,
Reviewed-by: Rob Herring <robh at kernel.org>
>
> regards
> Suman
>
> [1] https://patchwork.kernel.org/project/linux-arm-kernel/patch/20210623165032.31223-2-s-anna@ti.com/
>
> .../devicetree/bindings/soc/ti/ti,pruss.yaml | 37 +++++++++++++------
> 1 file changed, 25 insertions(+), 12 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/soc/ti/ti,pruss.yaml b/Documentation/devicetree/bindings/soc/ti/ti,pruss.yaml
> index 47d7fd24bc56..9d128b9e7deb 100644
> --- a/Documentation/devicetree/bindings/soc/ti/ti,pruss.yaml
> +++ b/Documentation/devicetree/bindings/soc/ti/ti,pruss.yaml
> @@ -85,6 +85,8 @@ properties:
> dma-ranges:
> maxItems: 1
>
> + dma-coherent: true
> +
> power-domains:
> description: |
> This property is as per sci-pm-domain.txt.
> @@ -324,18 +326,29 @@ additionalProperties: false
> # - interrupt-controller
> # - pru
>
> -if:
> - properties:
> - compatible:
> - contains:
> - enum:
> - - ti,k2g-pruss
> - - ti,am654-icssg
> - - ti,j721e-icssg
> - - ti,am642-icssg
> -then:
> - required:
> - - power-domains
> +allOf:
> + - if:
> + properties:
> + compatible:
> + contains:
> + enum:
> + - ti,k2g-pruss
> + - ti,am654-icssg
> + - ti,j721e-icssg
> + - ti,am642-icssg
> + then:
> + required:
> + - power-domains
> +
> + - if:
> + properties:
> + compatible:
> + contains:
> + enum:
> + - ti,k2g-pruss
> + then:
> + required:
> + - dma-coherent
>
> examples:
> - |
> --
> 2.32.0
>
>
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