[PATCH v3 13/14] arm64: dts: rk3368: Add 'arm, pl330-periph-burst' for dmac

Sugar Zhang sugar.zhang at rock-chips.com
Mon Jun 29 10:12:14 EDT 2020


This patch Add the quirk to specify to use burst transfer
for better compatible and higher performance.

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

---

Changes in v3: None
Changes in v2:
- fix FATAL ERROR: Unable to parse input tree

 arch/arm64/boot/dts/rockchip/rk3368.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3368.dtsi b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
index 1ebb0ee..94273bc 100644
--- a/arch/arm64/boot/dts/rockchip/rk3368.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3368.dtsi
@@ -149,6 +149,7 @@
 				     <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
 			#dma-cells = <1>;
 			arm,pl330-broken-no-flushp;
+			arm,pl330-periph-burst;
 			clocks = <&cru ACLK_DMAC_PERI>;
 			clock-names = "apb_pclk";
 		};
@@ -160,6 +161,7 @@
 				     <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
 			#dma-cells = <1>;
 			arm,pl330-broken-no-flushp;
+			arm,pl330-periph-burst;
 			clocks = <&cru ACLK_DMAC_BUS>;
 			clock-names = "apb_pclk";
 		};
-- 
2.7.4






More information about the Linux-rockchip mailing list