[Freedreno] [PATCH v2 3/3] dt-bindings: msm/disp: Introduce interconnect bindings for MDSS on SDM845
Rob Herring
robh at kernel.org
Fri Oct 12 22:12:51 UTC 2018
On Wed, Oct 10, 2018 at 02:54:34PM +0530, Sravanthi Kollukuduru wrote:
> Add interconnect properties such as interconnect provider specifier
> , the edge source and destination ports which are required by the
> interconnect API to configure interconnect path for MDSS.
>
> Changes in v2:
> -none
>
> Signed-off-by: Sravanthi Kollukuduru <skolluku at codeaurora.org>
> ---
> Documentation/devicetree/bindings/display/msm/dpu.txt | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/display/msm/dpu.txt b/Documentation/devicetree/bindings/display/msm/dpu.txt
> index ad2e8830324e..abd4d99b5030 100644
> --- a/Documentation/devicetree/bindings/display/msm/dpu.txt
> +++ b/Documentation/devicetree/bindings/display/msm/dpu.txt
> @@ -28,6 +28,11 @@ Required properties:
> - #address-cells: number of address cells for the MDSS children. Should be 1.
> - #size-cells: Should be 1.
> - ranges: parent bus address space is the same as the child bus address space.
> +- interconnects : pairs of phandles and interconnect provider specifier to
> + denote the edge source and destination ports of the interconnect path.
> +- interconnect-names : list of interconnect path name strings sorted in the
> + same order as the interconnects property. Consumers drivers will use
> + interconnect-names to match interconnect paths with interconnect specifiers.
Don't need to define common properties. Just list their constraints such
as how many.
>
> Optional properties:
> - assigned-clocks: list of clock specifiers for clocks needing rate assignment
> @@ -86,6 +91,9 @@ Example:
> interrupt-controller;
> #interrupt-cells = <1>;
>
> + interconnects = <&qnoc 38 &qnoc 512>;
> + interconnect-names = "port0";
-names is kind of pointless here. IMO, interconnect-names should
describe the path.
> +
> iommus = <&apps_iommu 0>;
>
> #address-cells = <2>;
> --
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
>
More information about the Freedreno
mailing list