diff mbox series

[02/11] arm64: dts: mediatek: mt7622: add support for coherent DMA

Message ID 20220225101811.72103-3-nbd@nbd.name (mailing list archive)
State New, archived
Headers show
Series MediaTek SoC flow offload improvements + wireless support | expand

Commit Message

Felix Fietkau Feb. 25, 2022, 10:18 a.m. UTC 
It improves performance by eliminating the need for a cache flush on rx and tx

Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
 arch/arm64/boot/dts/mediatek/mt7622.dtsi | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

Comments

Felix Fietkau Feb. 25, 2022, 10:38 a.m. UTC | #1 
On 25.02.22 11:18, Felix Fietkau wrote:
> It improves performance by eliminating the need for a cache flush on rx and tx
> 
> Signed-off-by: Felix Fietkau <nbd@nbd.name>
Sorry, I accidentally left out the dt-bindings patches. They will be 
included in v2.

- Felix
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/mediatek/mt7622.dtsi b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
index 6f8cb3ad1e84..a2257ec6d256 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
@@ -357,7 +357,7 @@  cci_control1: slave-if@4000 {
 		};
 
 		cci_control2: slave-if@5000 {
-			compatible = "arm,cci-400-ctrl-if";
+			compatible = "arm,cci-400-ctrl-if", "syscon";
 			interface-type = "ace";
 			reg = <0x5000 0x1000>;
 		};
@@ -945,6 +945,8 @@  eth: ethernet@1b100000 {
 		power-domains = <&scpsys MT7622_POWER_DOMAIN_ETHSYS>;
 		mediatek,ethsys = <&ethsys>;
 		mediatek,sgmiisys = <&sgmiisys>;
+		mediatek,cci-control = <&cci_control2>;
+		dma-coherent;
 		#address-cells = <1>;
 		#size-cells = <0>;
 		status = "disabled";