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 --- .../devicetree/bindings/display/mediatek/mediatek,disp.txt | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt index 33977e1..b07881e 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 {