linux-kernel - [PATCH v3 2/3] arm64: dts: qcom: sdm630: Add missing vote clock and GDSC to lpass

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Message-Id: <20251110-qcom-sdm660-cdsp-adsp-dts-v3-2-d1f1c86e2e6d@mainlining.org>
Date: Mon, 10 Nov 2025 21:55:07 +0300
From: Nickolay Goppen <setotau@...nlining.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht, 
 linux@...nlining.org, Nickolay Goppen <setotau@...nlining.org>, 
 Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Subject: [PATCH v3 2/3] arm64: dts: qcom: sdm630: Add missing vote clock
 and GDSC to lpass_smmu

Add missing vote clock and GDSC to lpass_smmu node to make sure the
required resources are enabled before attempting to access the hardware.

Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Signed-off-by: Nickolay Goppen <setotau@...nlining.org>
---
 arch/arm64/boot/dts/qcom/sdm630.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm630.dtsi b/arch/arm64/boot/dts/qcom/sdm630.dtsi
index a6a1933229b9..f4906ee3f0c3 100644
--- a/arch/arm64/boot/dts/qcom/sdm630.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm630.dtsi
@@ -1217,6 +1217,11 @@ lpass_smmu: iommu@...0000 {
 			reg = <0x05100000 0x40000>;
 			#iommu-cells = <1>;
 
+			clocks = <&gcc GCC_HLOS1_VOTE_LPASS_ADSP_SMMU_CLK>;
+			clock-names = "bus";
+
+			power-domains = <&gcc HLOS1_VOTE_LPASS_ADSP_GDSC>;
+
 			#global-interrupts = <2>;
 			interrupts =
 				<GIC_SPI 229 IRQ_TYPE_LEVEL_HIGH>,

-- 
2.51.2