[PATCH v3 08/14] ARM: dts: rk3xxx: Add 'arm, pl330-periph-burst' for dmac
Sugar Zhang
sugar.zhang at rock-chips.com
Mon Jun 29 10:11:00 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/arm/boot/dts/rk3xxx.dtsi | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/arm/boot/dts/rk3xxx.dtsi b/arch/arm/boot/dts/rk3xxx.dtsi
index d929b60..859a747 100644
--- a/arch/arm/boot/dts/rk3xxx.dtsi
+++ b/arch/arm/boot/dts/rk3xxx.dtsi
@@ -45,6 +45,7 @@
<GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
#dma-cells = <1>;
arm,pl330-broken-no-flushp;
+ arm,pl330-periph-burst;
clocks = <&cru ACLK_DMA1>;
clock-names = "apb_pclk";
};
@@ -56,6 +57,7 @@
<GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
#dma-cells = <1>;
arm,pl330-broken-no-flushp;
+ arm,pl330-periph-burst;
clocks = <&cru ACLK_DMA1>;
clock-names = "apb_pclk";
status = "disabled";
@@ -68,6 +70,7 @@
<GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
#dma-cells = <1>;
arm,pl330-broken-no-flushp;
+ arm,pl330-periph-burst;
clocks = <&cru ACLK_DMA2>;
clock-names = "apb_pclk";
};
--
2.7.4
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