From 3abd063019b6a01762f9fccc39505f29d029360a Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Tue, 5 Apr 2022 21:57:44 +0200 Subject: 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: Felix Fietkau Signed-off-by: David S. Miller --- 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_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 = <ðsys>; mediatek,sgmiisys = <&sgmiisys>; + mediatek,cci-control = <&cci_control2>; + dma-coherent; #address-cells = <1>; #size-cells = <0>; status = "disabled"; -- cgit v1.2.3-59-g8ed1b