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dt-bindings: mediatek: add rdma-fifo-size description for mt8183 display

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

Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
This commit is contained in:
Yongqiang Niu 2021-01-07 11:11:11 +08:00 committed by Chun-Kuang Hu
parent b1d685b646
commit b59fa7a060
1 changed files with 9 additions and 0 deletions
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9
Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
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@ -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 {