Commit b59fa7a0 authored by Yongqiang Niu's avatar Yongqiang Niu Committed by Chun-Kuang Hu
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dt-bindings: mediatek: add rdma-fifo-size description for mt8183 display 



rdma fifo size may be different even in same SOC, add this
property to the corresponding rdma

Signed-off-by: default avatarYongqiang Niu <yongqiang.niu@mediatek.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarChun-Kuang Hu <chunkuang.hu@kernel.org>
parent b1d685b6

Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt

+9 −0
Original line number Diff line number Diff line
@@ -66,6 +66,14 @@ 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

  property to the corresponding rdma

  the value is the Max value which defined in hardware data sheet.

  mediatek,rdma-fifo-size of mt8173-rdma0 is 8K

  mediatek,rdma-fifo-size of mt8183-rdma0 is 5K

  mediatek,rdma-fifo-size of mt8183-rdma1 is 2K



Examples:



mmsys: clock-controller@14000000 {
@@ -103,6 +111,7 @@ rdma0: rdma@1400e000 { 
	clocks = <&mmsys CLK_MM_DISP_RDMA0>;

	iommus = <&iommu M4U_PORT_DISP_RDMA0>;

	mediatek,larb = <&larb0>;

	mediatek,rdma-fifosize = <8192>;

};



rdma1: rdma@1400f000 {