On Sat, Aug 08, 2020 at 10:53:45AM +0800, Yongqiang Niu wrote:
> rdma fifo size may be different even in same SOC, add this
> property to the corresponding rdma
>
> Change-Id: I67635ec7f3f59cf4cbc7737285e5e28ff0ab71c9
> Signed-off-by: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx>
> ---
> .../devicetree/bindings/display/mediatek/mediatek,disp.txt | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
> index b91e709..e6bbe32 100644
> --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
> +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
> @@ -66,6 +66,11 @@ Required properties (DMA function blocks):
> argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
> for details.
>
> +Optional properties (RDMA function blocks):
> +- mediatek,rdma_fifo_size: rdma fifo size may be different even in same SOC, add this
mediatek,rdma-fifo-size
What's the range/set of valid values?
> + property to the corresponding rdma
> + the value is the Max value which defined in hardware data sheet.
> +
> Examples:
>
> mmsys: clock-controller@14000000 {
> @@ -207,3 +212,12 @@ od@14023000 {
> power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
> clocks = <&mmsys CLK_MM_DISP_OD>;
> };
> +
> +rdma1: rdma@1400c000 {
Does a new property really need a whole new example?
> + compatible = "mediatek,mt8183-disp-rdma";
> + reg = <0 0x1400c000 0 0x1000>;
> + interrupts = <GIC_SPI 229 IRQ_TYPE_LEVEL_LOW>;
> + power-domains = <&scpsys MT8183_POWER_DOMAIN_DISP>;
> + clocks = <&mmsys CLK_MM_DISP_RDMA1>;
> + mediatek,rdma_fifo_size = <2048>;
> +};
> --
> 1.8.1.1.dirty
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