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Mon, 16 Feb 2026 06:21:52 -0800 (PST) From: Neil Armstrong Date: Mon, 16 Feb 2026 15:21:45 +0100 Subject: [PATCH v4 1/9] dt-bindings: usb: document the Renesas UPD720201/UPD720202 USB 3.0 xHCI Host Controller Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260216-topic-sm8650-ayaneo-pocket-s2-base-v4-1-802c82795431@linaro.org> References: <20260216-topic-sm8650-ayaneo-pocket-s2-base-v4-0-802c82795431@linaro.org> In-Reply-To: <20260216-topic-sm8650-ayaneo-pocket-s2-base-v4-0-802c82795431@linaro.org> To: Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Geert Uytterhoeven , Magnus Damm , Bartosz Golaszewski , Manivannan Sadhasivam , Bjorn Helgaas , Bjorn Andersson , Konrad Dybcio Cc: linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-pci@vger.kernel.org, linux-arm-msm@vger.kernel.org, Neil Armstrong X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; 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a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE Document the Renesas UPD720201/UPD720202 USB 3.0 xHCI Host Controller, which connects over PCIe and requires specific power supplies to start up. Reviewed-by: Rob Herring (Arm) Signed-off-by: Neil Armstrong --- .../bindings/usb/renesas,upd720201-pci.yaml | 61 ++++++++++++++++++= ++++ 1 file changed, 61 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/renesas,upd720201-pci.ya= ml b/Documentation/devicetree/bindings/usb/renesas,upd720201-pci.yaml new file mode 100644 index 000000000000..8b8be572c930 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/renesas,upd720201-pci.yaml @@ -0,0 +1,61 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/renesas,upd720201-pci.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: UPD720201/UPD720202 USB 3.0 xHCI Host Controller (PCIe) + +maintainers: + - Neil Armstrong + +description: + UPD720201 USB 3.0 xHCI Host Controller via PCIe x1 Gen2 interface. + The UPD720202 supports up to two downstream ports, while UPD720201 + supports up to four downstream USB 3.0 rev1.0 ports. + +properties: + compatible: + const: pci1912,0014 + + reg: + maxItems: 1 + + avdd33-supply: + description: +3.3 V power supply for analog circuit + + vdd10-supply: + description: +1.05 V power supply + + vdd33-supply: + description: +3.3 V power supply + +required: + - compatible + - reg + - avdd33-supply + - vdd10-supply + - vdd33-supply + +allOf: + - $ref: usb-xhci.yaml + +additionalProperties: true + +examples: + - | + pcie@0 { + reg =3D <0x0 0x1000>; + ranges =3D <0x02000000 0x0 0x100000 0x10000000 0x0 0x0>; + #address-cells =3D <3>; + #size-cells =3D <2>; + device_type =3D "pci"; + + usb-controller@0 { + compatible =3D "pci1912,0014"; + reg =3D <0x0 0x0 0x0 0x0 0x0>; + avdd33-supply =3D <&avdd33_reg>; + vdd10-supply =3D <&vdd10_reg>; + vdd33-supply =3D <&vdd33_reg>; + }; + }; --=20 2.34.1