[PATCH 1/3] dt-bindings: display/ti: Add optional property to set memory bandwidth limit

[Rob Herring]

On Fri, Oct 20, 2017 at 04:12:56PM +0300, Peter Ujfalusi wrote:
> max-memory-bandwidth can be used to specify the maximum bandwidth dispc
> can use when reading display data from main memory.
> 
> In some SoC (am437x for example) we have memory bandwidth limitation
> which causes underflow in the display subsystem.
> 
> Signed-off-by: Peter Ujfalusi <peter.ujfalusi at ti.com>
> ---
>  Documentation/devicetree/bindings/display/ti/ti,dra7-dss.txt  | 5 +++++
>  Documentation/devicetree/bindings/display/ti/ti,omap2-dss.txt | 4 ++++
>  Documentation/devicetree/bindings/display/ti/ti,omap3-dss.txt | 4 ++++
>  Documentation/devicetree/bindings/display/ti/ti,omap4-dss.txt | 4 ++++
>  Documentation/devicetree/bindings/display/ti/ti,omap5-dss.txt | 4 ++++
>  5 files changed, 21 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/ti/ti,dra7-dss.txt b/Documentation/devicetree/bindings/display/ti/ti,dra7-dss.txt
> index c30f9ec189ed..91279f1060fe 100644
> --- a/Documentation/devicetree/bindings/display/ti/ti,dra7-dss.txt
> +++ b/Documentation/devicetree/bindings/display/ti/ti,dra7-dss.txt
> @@ -47,6 +47,11 @@ Required properties:
>  - clocks: handle to fclk
>  - clock-names: "fck"
>  
> +Optional properties:
> +- max-memory-bandwidth: Input memory (from main memory to dispc) bandwidth limit
> +			in bytes per second

Can we move this to a common location since we already have the same 
prop for ARM pl11x.

Rob