linux-kernel - [PATCH 2/3] phy: qcom: qmp-combo: add vdda-aux regulator

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Message-Id: <20251110115806.2379442-3-quic_amitsi@quicinc.com>
Date: Mon, 10 Nov 2025 17:28:05 +0530
From: Amit Singh <quic_amitsi@...cinc.com>
To: andersson@...nel.org, konradybcio@...nel.org, robh@...nel.org,
        krzk+dt@...nel.org, conor+dt@...nel.org, vkoul@...nel.org,
        kishon@...nel.org, lumag@...nel.org, neil.armstrong@...aro.org,
        quic_wcheng@...cinc.com
Cc: Amit Singh <quic_amitsi@...cinc.com>, linux-arm-msm@...r.kernel.org,
        linux-phy@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, quic_riteshk@...cinc.com,
        quic_rajeevny@...cinc.com, quic_vproddut@...cinc.com
Subject: [PATCH 2/3] phy: qcom: qmp-combo: add vdda-aux regulator

Add "vdda-aux" to the QMP PHY regulator list with an enable_load of
36000 µA, allowing the driver to manage the auxiliary supply when
present in device trees.

This aligns power sequencing with existing "vdda-phy" and
"vdda-pll" rails, and is required for platforms that depend on
the auxiliary 3.0 V rail for stable QMP operation. Platforms that
do not define "vdda-aux" remain unaffected.

Signed-off-by: Amit Singh <quic_amitsi@...cinc.com>
---
 drivers/phy/qualcomm/phy-qcom-qmp-combo.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
index 7b5af30f1d02..1ad0f06ae262 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
@@ -1649,6 +1649,7 @@ struct qmp_regulator_data {
 };
 
 static struct qmp_regulator_data qmp_phy_vreg_l[] = {
+	{ .name = "vdda-aux", .enable_load = 36000 },
 	{ .name = "vdda-phy", .enable_load = 21800 },
 	{ .name = "vdda-pll", .enable_load = 36000 },
 };
-- 
2.34.1