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[v1,13/13] arm64: dts: rk3399: Add 'arm, pl330-periph-burst' for dmac

Message ID 1591610862-71359-4-git-send-email-sugar.zhang@rock-chips.com
State New
Headers show
Series Patches to improve dma transfer efficiency for Rockchip SoCs. | expand

Commit Message

Sugar Zhang June 8, 2020, 10:07 a.m. UTC
This patch Add the quirk to specify to use burst transfer
for better compatible and higher performance.

Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>
---

 arch/arm64/boot/dts/rockchip/rk3399.dtsi | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index 1448f35..569e199 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -211,6 +211,7 @@ 
 			#dma-cells = <1>;
 			clocks = <&cru ACLK_DMAC0_PERILP>;
 			clock-names = "apb_pclk";
++			arm,pl330-periph-burst;
 		};
 
 		dmac_peri: dma-controller@ff6e0000 {
@@ -221,6 +222,7 @@ 
 			#dma-cells = <1>;
 			clocks = <&cru ACLK_DMAC1_PERILP>;
 			clock-names = "apb_pclk";
++			arm,pl330-periph-burst;
 		};
 	};