Re: [PATCH 1/2] dt-bindings: regulator: qcom,usb-vbus-regulator: add qcom,pm4125-vbus-reg

From: Dmitry Baryshkov

Date: Wed May 20 2026 - 06:03:57 EST


On Wed, May 20, 2026 at 02:37:11PM +0530, Rakesh Kota wrote:
> The pm4125 PMIC uses a different USB VBUS register layout than pm8150b.
> It uses a 2-bit VBOOST voltage selector supporting output voltages of
> 4.25 V, 4.5 V, 4.75 V and 5.0 V, instead of a current-limit selector.

Is it only PM4125? What about other PMICs which have the VBUS regulator
(e.g. PMI632)?

>
> Move qcom,pm4125-vbus-reg from the pm8150b fallback items list into the
> standalone enum since the driver handles it with its own match-data and
> register layout.
>
> Make regulator-min/max-microamp conditional so they are only required
> for current-limit variants (pm8150b, pm6150, pm7250b, pmi632). Add an
> if/then condition for qcom,pm4125-vbus-reg requiring regulator-min/
> max-microvolt instead, and update the pm4125 example accordingly.
>
> Signed-off-by: Rakesh Kota <rakesh.kota@xxxxxxxxxxxxxxxx>
> ---
> .../regulator/qcom,usb-vbus-regulator.yaml | 50 +++++++++++++++++++---
> 1 file changed, 45 insertions(+), 5 deletions(-)
>

--
With best wishes
Dmitry