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

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

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Felix Fietkau 2022-04-05 21:57:44 +02:00 committed by David S. Miller
parent d776a57e4a
commit 3abd063019
1 changed files with 3 additions and 1 deletions
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4
arch/arm64/boot/dts/mediatek/mt7622.dtsi
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@ -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";