Re: [PATCH v1 2/2] dt/bindings: drm/komeda: Adds SMMU support for D71 devicetree

[Liviu Dudau]

On Tue, Apr 30, 2019 at 07:19:34AM +0100, Lowry Li (Arm Technology China) wrote:
> Updates the device-tree doc about how to enable SMMU by devicetree.
> 
> Signed-off-by: Lowry Li (Arm Technology China) <lowry.li@xxxxxxx>

Reviewed-by: Liviu Dudau <liviu.dudau@xxxxxxx>

Best regards,
Liviu

> ---
>  Documentation/devicetree/bindings/display/arm,komeda.txt | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/arm,komeda.txt b/Documentation/devicetree/bindings/display/arm,komeda.txt
> index 02b2265..b12c045 100644
> --- a/Documentation/devicetree/bindings/display/arm,komeda.txt
> +++ b/Documentation/devicetree/bindings/display/arm,komeda.txt
> @@ -11,6 +11,10 @@ Required properties:
>        - "pclk": for the APB interface clock
>  - #address-cells: Must be 1
>  - #size-cells: Must be 0
> +- iommus: configure the stream id to IOMMU, Must be configured if want to
> +    enable iommu in display. for how to configure this node please reference
> +        devicetree/bindings/iommu/arm,smmu-v3.txt,
> +        devicetree/bindings/iommu/iommu.txt
>  
>  Required properties for sub-node: pipeline@nq
>  Each device contains one or two pipeline sub-nodes (at least one), each
> @@ -44,6 +48,9 @@ Example:
>  		interrupts = <0 168 4>;
>  		clocks = <&dpu_mclk>, <&dpu_aclk>;
>  		clock-names = "mclk", "pclk";
> +		iommus = <&smmu 0>, <&smmu 1>, <&smmu 2>, <&smmu 3>,
> +			<&smmu 4>, <&smmu 5>, <&smmu 6>, <&smmu 7>,
> +			<&smmu 8>, <&smmu 9>;
>  
>  		dp0_pipe0: pipeline@0 {
>  			clocks = <&fpgaosc2>, <&dpu_aclk>;
> -- 
> 1.9.1
> 

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