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31 lines
861 B
Diff
31 lines
861 B
Diff
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From: Felix Fietkau <nbd@nbd.name>
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Date: Mon, 7 Feb 2022 10:27:22 +0100
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Subject: [PATCH] arm64: dts: mediatek: mt7622: add support for coherent
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DMA
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It improves performance by eliminating the need for a cache flush on rx and tx
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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--- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi
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+++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
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@@ -357,7 +357,7 @@
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};
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cci_control2: slave-if@5000 {
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- compatible = "arm,cci-400-ctrl-if";
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+ compatible = "arm,cci-400-ctrl-if", "syscon";
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interface-type = "ace";
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reg = <0x5000 0x1000>;
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};
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@@ -937,6 +937,8 @@
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power-domains = <&scpsys MT7622_POWER_DOMAIN_ETHSYS>;
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mediatek,ethsys = <ðsys>;
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mediatek,sgmiisys = <&sgmiisys>;
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+ mediatek,cci-control = <&cci_control2>;
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+ dma-coherent;
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#address-cells = <1>;
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#size-cells = <0>;
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status = "disabled";
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