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Tue, 27 Jan 2026 09:42:20 -0800 (PST) From: Charan Pedumuru Date: Tue, 27 Jan 2026 17:42:13 +0000 Subject: [PATCH v2 1/2] dt-bindings: usb: ti,omap4-musb: convert to DT schema 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: <20260127-ti-usb-v2-1-9dd6a65b43df@gmail.com> References: <20260127-ti-usb-v2-0-9dd6a65b43df@gmail.com> In-Reply-To: <20260127-ti-usb-v2-0-9dd6a65b43df@gmail.com> To: Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Felipe Balbi Cc: linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Charan Pedumuru X-Mailer: b4 0.14.3 Convert OMAP MUSB USB OTG Controller binding to DT schema. Changes during conversion: - Include "interrupts" and "interrupt-names" properties in the YAML, as they are used by many in-tree DTS files. - Extend the "power" property to allow the value 150 (in addition to existing values), since this is present in several in-tree DTS examples. - Drop the ti,hwmods property, as it is not used by any in-tree DTS files. Signed-off-by: Charan Pedumuru Reviewed-by: Rob Herring (Arm) --- .../devicetree/bindings/usb/ti,omap4-musb.yaml | 120 +++++++++++++++++= ++++ 1 file changed, 120 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/ti,omap4-musb.yaml b/Doc= umentation/devicetree/bindings/usb/ti,omap4-musb.yaml new file mode 100644 index 000000000000..a3d15f217658 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/ti,omap4-musb.yaml @@ -0,0 +1,120 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/ti,omap4-musb.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments OMAP MUSB USB OTG Controller + +maintainers: + - Felipe Balbi + +description: + Texas Instruments glue layer for the Mentor Graphics MUSB OTG controller. + Handles SoC-specific integration including PHY interface bridging(ULPI/ + UTMI), interrupt aggregation, DMA engine coordination (internal/ + external), VBUS/session control via control module mailbox, and + clock/reset management. Provides fixed hardware configuration parameters + to the generic MUSB core driver. + +properties: + compatible: + enum: + - ti,omap3-musb + - ti,omap4-musb + + reg: + maxItems: 1 + + interrupts: + minItems: 1 + maxItems: 2 + + interrupt-names: + minItems: 1 + items: + - const: mc + - const: dma + + multipoint: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Indicates the MUSB controller supports multipoint. This is a MUSB + configuration-specific setting. + const: 1 + + num-eps: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Specifies the number of endpoints. This is a MUSB configuration + specific setting. + const: 16 + + ram-bits: + description: Specifies the RAM address size. + const: 12 + + interface-type: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Describes the type of interface between the controller and the PHY. + 0 for ULPI, 1 for UTMI. + enum: [0, 1] + + mode: + $ref: /schemas/types.yaml#/definitions/uint32 + description: 1 for HOST, 2 for PERIPHERAL, 3 for OTG. + enum: [1, 2, 3] + + power: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Indicates the maximum current the controller can supply when + operating in host mode. A value of 50 corresponds to 100 mA, and a + value of 150 corresponds to 300 mA. + enum: [50, 150] + + phys: + maxItems: 1 + + phy-names: + const: usb2-phy + + usb-phy: + $ref: /schemas/types.yaml#/definitions/phandle-array + description: Phandle for the PHY device. + deprecated: true + + ctrl-module: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle of the control module this glue uses to write to mailbox. + +required: + - reg + - compatible + - interrupts + - interrupt-names + +unevaluatedProperties: false + +examples: + - | + #include + usb@4a0ab000 { + compatible =3D "ti,omap4-musb"; + reg =3D <0x4a0ab000 0x1000>; + interrupts =3D , + ; + interrupt-names =3D "mc", "dma"; + multipoint =3D <1>; + num-eps =3D <16>; + ram-bits =3D <12>; + ctrl-module =3D <&omap_control_usb>; + phys =3D <&usb2_phy>; + phy-names =3D "usb2-phy"; + interface-type =3D <1>; + mode =3D <3>; + power =3D <50>; + }; +... --=20 2.52.0