[PATCH v2 1/2] dt-bindings: drm/msm/a6xx: Document interconnect properties for GPU

Rob Herring robh at kernel.org
Tue Dec 18 17:22:01 UTC 2018


On Fri, Dec 14, 2018 at 03:16:39PM -0700, Jordan Crouse wrote:
> Add documentation for the interconnect and interconnect-names bindings
> for the GPU node as detailed by bindings/interconnect/interconnect.txt.
> 
> Signed-off-by: Jordan Crouse <jcrouse at codeaurora.org>
> ---
>  Documentation/devicetree/bindings/display/msm/gpu.txt | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/msm/gpu.txt b/Documentation/devicetree/bindings/display/msm/gpu.txt
> index 8d9415180c22..19b5ae459fdb 100644
> --- a/Documentation/devicetree/bindings/display/msm/gpu.txt
> +++ b/Documentation/devicetree/bindings/display/msm/gpu.txt
> @@ -19,6 +19,9 @@ Required properties:
>    * "mem_iface"
>  - iommus: optional phandle to an adreno iommu instance
>  - operating-points-v2: optional phandle to the OPP operating points
> +- interconnect: optional phandle to a interconnect provider.  See
> +  ../interconnect/interconnect.txt for details.
> +- interconnect-names: Name string for the interconnects.
>  - qcom,gmu: For a6xx and newer targets a phandle to the GMU device that will
>    control the power for the GPU
>  
> @@ -68,6 +71,9 @@ Example a6xx (with GMU):
>  
>  		operating-points-v2 = <&gpu_opp_table>;
>  
> +		interconnects = <&rsc_hlos MASTER_GFX3D &rsc_hlos SLAVE_EBI1>;
> +		interconnect-names = "gfx-mem";

There's not really any point to having *-names when there is only 1 
value.

> +
>  		qcom,gmu = <&gmu>;
>  	};
>  };
> -- 
> 2.18.0
> 


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