linux-kernel - [PATCH 15/16] dt: hi3670-hikey970.dts: load the SMMU driver on Hikey970

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Message-Id: <cf6f6372366c7e705ddad73d274579f172ffdba1.1597650455.git.mchehab+huawei@kernel.org>
Date:   Mon, 17 Aug 2020 09:50:14 +0200
From:   Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linuxarm@...wei.com, mauro.chehab@...wei.com,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        John Stultz <john.stultz@...aro.org>,
        Manivannan Sadhasivam <mani@...nel.org>,
        Wei Xu <xuwei5@...ilicon.com>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 15/16] dt: hi3670-hikey970.dts: load the SMMU driver on Hikey970

Those boards come with a system IOMMU, which are required
by certain drivers (DRM/KMS).

Add its dependency to Hikey970 device tree bindings.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
 arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts b/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts
index a9ad90e769ad..f632b1e0600d 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts
@@ -53,6 +53,9 @@ wlan_en: wlan-en-1-8v {
 		startup-delay-us = <70000>;
 		enable-active-high;
 	};
+	smmu_lpae {
+		compatible = "hisilicon,smmu-lpae";
+	};
 };
 
 /*
-- 
2.26.2