Commit 3abd0630 authored by Felix Fietkau's avatar Felix Fietkau Committed by David S. Miller
Browse files

arm64: dts: mediatek: mt7622: add support for coherent DMA 



It improves performance by eliminating the need for a cache flush on rx and tx

Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d776a57e

arch/arm64/boot/dts/mediatek/mt7622.dtsi

+3 −1
Original line number Diff line number Diff line
@@ -357,7 +357,7 @@ 
		};



		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 @@ 
		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";