linux-kernel - [PATCH 2/2] arm64: dts: qcom: msm8998: add qcom,msm8998-lpass-smmu compatible

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Message-Id: <20240819-smmu-v1-2-bce6e4738825@freebox.fr>
Date: Mon, 19 Aug 2024 14:59:36 +0200
From: Marc Gonzalez <mgonzalez@...ebox.fr>
To: Rob Clark <robdclark@...il.com>, Will Deacon <will@...nel.org>, 
 Robin Murphy <robin.murphy@....com>, Joerg Roedel <joro@...tes.org>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: iommu@...ts.linux.dev, linux-arm-msm@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 devicetree@...r.kernel.org, Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, Arnaud Vrac <avrac@...ebox.fr>, 
 Pierre-Hugues Husson <phhusson@...ebox.fr>, 
 Marijn Suijten <marijn.suijten@...ainline.org>, 
 Caleb Connolly <caleb.connolly@...aro.org>, 
 Marc Gonzalez <mgonzalez@...ebox.fr>
Subject: [PATCH 2/2] arm64: dts: qcom: msm8998: add qcom,msm8998-lpass-smmu
 compatible

The msm8998 LPASS SMMU requires special treatment, because FW reserves
the last context bank for its own use.

Signed-off-by: Marc Gonzalez <mgonzalez@...ebox.fr>
---
 arch/arm64/boot/dts/qcom/msm8998.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/msm8998.dtsi b/arch/arm64/boot/dts/qcom/msm8998.dtsi
index 1537e42fa03ca..f169f2dd281c3 100644
--- a/arch/arm64/boot/dts/qcom/msm8998.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8998.dtsi
@@ -1616,7 +1616,7 @@ gpucc: clock-controller@...5000 {
 		};
 
 		lpass_q6_smmu: iommu@...0000 {
-			compatible = "qcom,msm8998-smmu-v2", "qcom,smmu-v2";
+			compatible = "qcom,msm8998-lpass-smmu", "qcom,msm8998-smmu-v2", "qcom,smmu-v2";
 			reg = <0x05100000 0x40000>;
 			clocks = <&gcc HLOS1_VOTE_LPASS_ADSP_SMMU_CLK>;
 			clock-names = "iface";

-- 
2.34.1