ARM: dts: rk3288: add dma-coherent to rga

RGA are used for scale copy buffer form vpu,isp,
no need to flush CPU cache

Change-Id: Id3cfa0560a14cea122321dc1ea814aa8ec5dd4b6
Signed-off-by: Jacob Chen <jacob2.chen@rock-chips.com>

diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index dea53e714f096f41658c6cfd560a880379c74f50..cb3df0369d574ad927f1757b667dce08c5a58d6c 100644 (file)
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -1129,6 +1129,7 @@
                power-domains = <&power RK3288_PD_VIO>;
                resets = <&cru SRST_RGA_CORE>, <&cru SRST_RGA_AXI>, <&cru SRST_RGA_AHB>;
                reset-names = "core", "axi", "ahb";
+               dma-coherent;
                status = "disabled";
        };