mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-20 14:13:16 +00:00
31 lines
861 B
Diff
31 lines
861 B
Diff
|
From: Felix Fietkau <nbd@nbd.name>
|
||
|
|
Date: Mon, 7 Feb 2022 10:27:22 +0100
|
||
|
|
Subject: [PATCH] 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 <nbd@nbd.name>
|
||
|
|
---
|
||
|
|
|
||
|
|
--- 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>;
|
||
|
|
};
|
||
|
|
@@ -936,6 +936,8 @@
|
||
|
|
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";
|