[PATCH v2 4/4] arm: dts: ls1021a: Enable I2C DMA support

[Esben Haabendal]

From: Esben Haabendal <e...@deif.com>

Gives substantial performance improvement for transfers larger than 16
bytes (DMA_THRESHOLD).  Smaller transfers are unaffected.

Signed-off-by: Esben Haabendal <e...@deif.com>
---
 arch/arm/boot/dts/ls1021a.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm/boot/dts/ls1021a.dtsi b/arch/arm/boot/dts/ls1021a.dtsi
index c55d479971cc..1e5640701c65 100644
--- a/arch/arm/boot/dts/ls1021a.dtsi
+++ b/arch/arm/boot/dts/ls1021a.dtsi
@@ -363,6 +363,8 @@
                        interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>;
                        clock-names = "i2c";
                        clocks = <&clockgen 4 1>;
+                       dma-names = "tx", "rx";
+                       dmas = <&edma0 1 39>, <&edma0 1 38>;
                        status = "disabled";
                };
 
@@ -374,6 +376,8 @@
                        interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>;
                        clock-names = "i2c";
                        clocks = <&clockgen 4 1>;
+                       dma-names = "tx", "rx";
+                       dmas = <&edma0 1 37>, <&edma0 1 36>;
                        status = "disabled";
                };
 
@@ -385,6 +389,8 @@
                        interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
                        clock-names = "i2c";
                        clocks = <&clockgen 4 1>;
+                       dma-names = "tx", "rx";
+                       dmas = <&edma0 1 35>, <&edma0 1 34>;
                        status = "disabled";
                };
 
-- 
2.18.0