Re: [PATCH 1/6] dt-bindings: regulator: qcom,usb-vbus-regulator: add PMI8998
From: Krzysztof Kozlowski
Date: Tue May 19 2026 - 07:27:42 EST
On Tue, May 19, 2026 at 01:22:46AM +0500, taygoth wrote:
> The Qualcomm PMI8998 PMIC integrates a USB OTG VBUS boost converter
> inside its SMB2 charger block at offset 0x1100. The OTG control
> register layout (CMD_OTG at +0x40, OTG_CURRENT_LIMIT_CFG at +0x52,
> OTG_CFG at +0x53) matches the PM8150B SMB5 block, so the existing
> qcom_usb_vbus-regulator driver can drive it without code changes via
> compatible cascade.
>
> Verified by inspecting the downstream qpnp-smb2 driver and reading
> live register values on a OnePlus 6T (sdm845-oneplus-fajita) running
> mainline Linux.
>
> Signed-off-by: taygoth <taygoth@xxxxxxxxx>
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Best regards,
Krzysztof