[PATCH v8, 1/6] dt-bindings: mediatek: add rdma_fifo_size description for mt8183 display

[Yongqiang Niu]

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

Signed-off-by: Yongqiang Niu <yongqiang.niu at mediatek.com>
---
 .../bindings/display/mediatek/mediatek,disp.txt          | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
index 1212207..64c64ee 100644
--- a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
@@ -66,6 +66,13 @@ 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.
+  rdma_fifo_size of rdma0 in mt8183 is 5120
+  rdma_fifo_size of rdma1 in mt8183 is 2048
+
 Examples:
 
 mmsys: clock-controller at 14000000 {
@@ -207,3 +214,12 @@ od at 14023000 {
 	power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
 	clocks = <&mmsys CLK_MM_DISP_OD>;
 };
+
+rdma1: rdma at 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>;
+};
-- 
1.8.1.1.dirty