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Mon, 18 May 2026 14:56:48 -0700 (PDT) Message-ID: <3170e034-5780-4b85-9d25-f55126f4a2cb@linaro.org> Date: Mon, 18 May 2026 22:56:47 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/6] dt-bindings: regulator: qcom,usb-vbus-regulator: add PMI8998 To: taygoth , linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Mark Brown , Liam Girdwood , Wesley Cheng , Greg Kroah-Hartman , Heikki Krogerus , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , Casey Connolly References: <2a3c65bbfb85d944110b14b40ef375f238ca3932.1779127507.git.taygoth@gmail.com> Content-Language: en-US From: Bryan O'Donoghue In-Reply-To: <2a3c65bbfb85d944110b14b40ef375f238ca3932.1779127507.git.taygoth@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 18/05/2026 21:22, 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 > --- > .../devicetree/bindings/regulator/qcom,usb-vbus-regulator.yaml | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/Documentation/devicetree/bindings/regulator/qcom,usb-vbus-regulator.yaml b/Documentation/devicetree/bindings/regulator/qcom,usb-vbus-regulator.yaml > index fcefc722ee2a..9e2e2c8f9539 100644 > --- a/Documentation/devicetree/bindings/regulator/qcom,usb-vbus-regulator.yaml > +++ b/Documentation/devicetree/bindings/regulator/qcom,usb-vbus-regulator.yaml > @@ -28,6 +28,7 @@ properties: > - qcom,pm6150-vbus-reg > - qcom,pm7250b-vbus-reg > - qcom,pmi632-vbus-reg > + - qcom,pmi8998-vbus-reg > - const: qcom,pm8150b-vbus-reg > > reg: Reviewed-by: Bryan O'Donoghue --- bod