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Mon, 18 May 2026 13:22:59 -0700 (PDT) From: taygoth To: 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 , Bryan O'Donoghue , Casey Connolly Subject: [PATCH 1/6] dt-bindings: regulator: qcom,usb-vbus-regulator: add PMI8998 Date: Tue, 19 May 2026 01:22:46 +0500 Message-ID: <2a3c65bbfb85d944110b14b40ef375f238ca3932.1779127507.git.taygoth@gmail.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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: -- 2.47.3