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Sun, 01 Feb 2026 03:35:03 -0800 (PST) From: Charan Pedumuru Date: Sun, 01 Feb 2026 11:34:21 +0000 Subject: [PATCH 2/4] dt-bindings: usb: atmel,at91sam9g45-ehci: 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: <20260201-atmel-usb-v1-2-d1a3e93003f1@gmail.com> References: <20260201-atmel-usb-v1-0-d1a3e93003f1@gmail.com> In-Reply-To: <20260201-atmel-usb-v1-0-d1a3e93003f1@gmail.com> To: Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Claudiu Beznea , Herve Codina , Nicolas Ferre , Alexandre Belloni Cc: linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Charan Pedumuru X-Mailer: b4 0.14.3 Convert Atmel AT91SAM9G45 EHCI USB Host Controller binding to DT schema. Changes during conversion: - Include "usb-ehci" as a fallback compatible to allow atmel EHCI driver matching. Signed-off-by: Charan Pedumuru --- .../bindings/usb/atmel,at91sam9g45-ehci.yaml | 71 ++++++++++++++++++= ++++ 1 file changed, 71 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/atmel,at91sam9g45-ehci.y= aml b/Documentation/devicetree/bindings/usb/atmel,at91sam9g45-ehci.yaml new file mode 100644 index 000000000000..d7b8d110656c --- /dev/null +++ b/Documentation/devicetree/bindings/usb/atmel,at91sam9g45-ehci.yaml @@ -0,0 +1,71 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/atmel,at91sam9g45-ehci.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Atmel AT91SAM9G45 EHCI USB Host Controller + +maintainers: + - Nicolas Ferre + - Alexandre Belloni + +description: + The Atmel AT91SAM9G45 EHCI controller is a high-speed USB 2.0 host + controller compliant with the EHCI specification. It provides USB host + functionality when operating in host mode and requires a peripheral clock + and a UTMI clock for operation. The controller may support multiple USB + ports, with the PHY interface type selectable via the phy_type property. + +allOf: + - $ref: /schemas/usb/usb.yaml# + +properties: + compatible: + oneOf: + - items: + - const: atmel,at91sam9g45-ehci + - const: usb-ehci + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + minItems: 2 + maxItems: 2 + + clock-names: + items: + - const: ehci_clk + - const: usb_clk + + phy_type: + enum: + - utmi + - hsic + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +unevaluatedProperties: false + +examples: + - | + #include + #include + usb@500000 { + compatible =3D "atmel,at91sam9g45-ehci", "usb-ehci"; + reg =3D <0x00500000 0x100000>; + interrupts =3D <41 IRQ_TYPE_LEVEL_HIGH 2>; + clocks =3D <&pmc PMC_TYPE_CORE PMC_UTMI>, <&pmc PMC_TYPE_PERIPHERA= L 41>; + clock-names =3D "usb_clk", "ehci_clk"; + phy_type =3D "hsic"; + }; +... --=20 2.52.0