linux-kernel - [PATCH v2 10/10] arm64: dts: mt8186: Add dma-ranges for the parent "soc" node

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Message-ID: <20230208053643.28249-11-yong.wu@mediatek.com>
Date:   Wed, 8 Feb 2023 13:36:43 +0800
From:   Yong Wu <yong.wu@...iatek.com>
To:     Joerg Roedel <joro@...tes.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>
CC:     Will Deacon <will@...nel.org>, Robin Murphy <robin.murphy@....com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Hans Verkuil <hverkuil@...all.nl>, <nfraprado@...labora.com>,
        <linux-media@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <iommu@...ts.linux.dev>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        <mingyuan.ma@...iatek.com>, <yf.wang@...iatek.com>,
        <libo.kang@...iatek.com>, Yunfei Dong <yunfei.dong@...iatek.com>,
        kyrie wu <kyrie.wu@...iatek.corp-partner.google.com>,
        <chengci.xu@...iatek.com>, <youlin.pei@...iatek.com>,
        <anan.sun@...iatek.com>, Yong Wu <yong.wu@...iatek.com>
Subject: [PATCH v2 10/10] arm64: dts: mt8186: Add dma-ranges for the parent "soc" node

Prepare for the MM nodes whose dma-ranges(iova range) is 16GB.

Signed-off-by: Yong Wu <yong.wu@...iatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
 arch/arm64/boot/dts/mediatek/mt8186.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8186.dtsi b/arch/arm64/boot/dts/mediatek/mt8186.dtsi
index a0d3e1f731bd..251eace411c0 100644
--- a/arch/arm64/boot/dts/mediatek/mt8186.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8186.dtsi
@@ -324,6 +324,7 @@
 		#address-cells = <2>;
 		#size-cells = <2>;
 		compatible = "simple-bus";
+		dma-ranges = <0x0 0x0 0x0 0x0 0x4 0x0>;
 		ranges;
 
 		gic: interrupt-controller@...0000 {
-- 
2.18.0