Update device tree binding document for rdma_fifo_size
Signed-off-by: Yongqiang Niu yongqiang.niu@mediatek.com --- .../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 + 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 { + 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>; +};