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From:   Konrad Dybcio <konrad.dybcio@linaro.org>
Date:   Tue, 08 Aug 2023 11:44:42 +0200
Subject: [PATCH v2 2/6] arm64: dts: qcom: msm8998: Add missing power domain
 to MMSS SMMU
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To:     Andy Gross <agross@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@somainline.org>,
        Michael Turquette <mturquette@baylibre.com>,
        Stephen Boyd <sboyd@kernel.org>,
        Jeffrey Hugo <jeffrey.l.hugo@gmail.com>,
        Imran Khan <kimran@codeaurora.org>,
        Rajendra Nayak <quic_rjendra@quicinc.com>,
        Joonwoo Park <joonwoop@codeaurora.org>,
        Jeffrey Hugo <quic_jhugo@quicinc.com>,
        Will Deacon <will@kernel.org>,
        Robin Murphy <robin.murphy@arm.com>,
        Joerg Roedel <joro@8bytes.org>,
        Jeffrey Hugo <quic_jhugo@quicinc.com>
Cc:     Marijn Suijten <marijn.suijten@somainline.org>,
        Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
        Jami Kettunen <jami.kettunen@somainline.org>,
        linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev,
        Konrad Dybcio <konrad.dybcio@linaro.org>
Precedence: bulk

The MMSS SMMU has its own power domain. Attach it so that we can drop
the "keep it always-on" hack.

Fixes: 05ce21b54423 ("arm64: dts: qcom: msm8998: Configure the multimedia subsystem iommu")
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---
 arch/arm64/boot/dts/qcom/msm8998.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8998.dtsi b/arch/arm64/boot/dts/qcom/msm8998.dtsi
index e40f6461f4fd..39db67211fae 100644
--- a/arch/arm64/boot/dts/qcom/msm8998.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8998.dtsi
@@ -2770,6 +2770,8 @@ mmss_smmu: iommu@cd00000 {
 				<GIC_SPI 261 IRQ_TYPE_LEVEL_HIGH>,
 				<GIC_SPI 262 IRQ_TYPE_LEVEL_HIGH>,
 				<GIC_SPI 272 IRQ_TYPE_LEVEL_HIGH>;
+
+			power-domains = <&mmcc BIMC_SMMU_GDSC>;
 		};
 
 		remoteproc_adsp: remoteproc@17300000 {

-- 
2.41.0