linux-kernel - [PATCH v2 2/4] arm64: dts: qcom: Add PCIe 5 wwan regulator for HAMOA-IOT-EVK board

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Message-Id: <20251030084804.1682744-3-ziyue.zhang@oss.qualcomm.com>
Date: Thu, 30 Oct 2025 16:48:02 +0800
From: Ziyue Zhang <ziyue.zhang@....qualcomm.com>
To: andersson@...nel.org, konradybcio@...nel.org, robh@...nel.org,
        krzk+dt@...nel.org, conor+dt@...nel.org, jingoohan1@...il.com,
        mani@...nel.org, lpieralisi@...nel.org, kwilczynski@...nel.org,
        bhelgaas@...gle.com, johan+linaro@...nel.org, vkoul@...nel.org,
        kishon@...nel.org, neil.armstrong@...aro.org, abel.vesa@...aro.org,
        kw@...ux.com
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
        linux-phy@...ts.infradead.org, qiang.yu@....qualcomm.com,
        quic_krichai@...cinc.com, quic_vbadigan@...cinc.com,
        Ziyue Zhang <ziyue.zhang@....qualcomm.com>,
        Krishna Chaitanya Chundru <krishna.chundru@....qualcomm.com>
Subject: [PATCH v2 2/4] arm64: dts: qcom: Add PCIe 5 wwan regulator for HAMOA-IOT-EVK board

Specify the vddpe-3v3-supply regulator for PCIe5 using &vreg_wwan to
ensure proper power configuration.

Signed-off-by: Ziyue Zhang <ziyue.zhang@....qualcomm.com>
Reviewed-by: Krishna Chaitanya Chundru <krishna.chundru@....qualcomm.com>
---
 arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts b/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts
index 36dd6599402b..24c2dcef0ba8 100644
--- a/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts
+++ b/arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts
@@ -844,6 +844,10 @@ &mdss_dp3_phy {
 	status = "okay";
 };
 
+&pcie5 {
+	vddpe-3v3-supply = <&vreg_wwan>;
+};
+
 &pcie6a {
 	vddpe-3v3-supply = <&vreg_nvme>;
 };
-- 
2.34.1