Messages in this thread Patch in this message | | | From | Felix Fietkau <> | Subject | [PATCH v2 03/14] arm64: dts: mediatek: mt7622: add support for coherent DMA | Date | Tue, 5 Apr 2022 21:57:44 +0200 |
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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> --- arch/arm64/boot/dts/mediatek/mt7622.dtsi | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
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 = <ðsys>; mediatek,sgmiisys = <&sgmiisys>; + mediatek,cci-control = <&cci_control2>; + dma-coherent; #address-cells = <1>; #size-cells = <0>; status = "disabled"; -- 2.35.1
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