[PATCH v9, 01/11] dt-bindings: mediatek: add rdma-fifo-size description for mt8183 display
Yongqiang Niu
yongqiang.niu at mediatek.com
Wed Jan 6 22:11:11 EST 2021
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>
---
.../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 at 14000000 {
@@ -103,6 +111,7 @@ rdma0: rdma at 1400e000 {
clocks = <&mmsys CLK_MM_DISP_RDMA0>;
iommus = <&iommu M4U_PORT_DISP_RDMA0>;
mediatek,larb = <&larb0>;
+ mediatek,rdma-fifosize = <8192>;
};
rdma1: rdma at 1400f000 {
--
1.8.1.1.dirty
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