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author | Yongqiang Niu <yongqiang.niu@mediatek.com> | 2021-01-07 11:11:11 +0800 |
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committer | Chun-Kuang Hu <chunkuang.hu@kernel.org> | 2021-02-04 22:53:39 +0800 |
commit | b59fa7a060b1194fc31413507b89e30fa29aea06 (patch) | |
tree | 834ff777cc505ea377f5fb6fc156d87578fa49d9 | |
parent | b1d685b6467ac0d98fc63989f71b4ca9186be5d4 (diff) | |
download | linux-b59fa7a060b1194fc31413507b89e30fa29aea06.tar.bz2 |
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: Yongqiang Niu <yongqiang.niu@mediatek.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
-rw-r--r-- | Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt index c40f900de59d..d6f03ad4b475 100644 --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt @@ -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 { |