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Sat, 07 Mar 2026 01:16:34 -0800 (PST) From: Charan Pedumuru Date: Sat, 07 Mar 2026 09:16:19 +0000 Subject: [PATCH v3 2/5] dt-bindings: usb: generic-ohci: add AT91RM9200 OHCI binding support Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260307-atmel-usb-v3-2-3dc48fe772be@gmail.com> References: <20260307-atmel-usb-v3-0-3dc48fe772be@gmail.com> In-Reply-To: <20260307-atmel-usb-v3-0-3dc48fe772be@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 Add binding support for the Atmel AT91RM9200 OHCI USB host controller to the generic OHCI schema. Signed-off-by: Charan Pedumuru --- .../devicetree/bindings/usb/generic-ohci.yaml | 33 ++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/Documentation/devicetree/bindings/usb/generic-ohci.yaml b/Documentation/devicetree/bindings/usb/generic-ohci.yaml index 961cbf85eeb5..a8a94b9c1fee 100644 --- a/Documentation/devicetree/bindings/usb/generic-ohci.yaml +++ b/Documentation/devicetree/bindings/usb/generic-ohci.yaml @@ -55,6 +55,7 @@ properties: - ti,ohci-omap3 - items: - enum: + - atmel,at91rm9200-ohci - cavium,octeon-6335-ohci - nintendo,hollywood-usb-ohci - nxp,ohci-nxp @@ -137,6 +138,16 @@ properties: The associated ISP1301 device. Necessary for the UDC controller for connecting to the USB physical layer. + atmel,vbus-gpio: + description: GPIO used to control or sense the USB VBUS power. + minItems: 1 + maxItems: 3 + + atmel,oc-gpio: + description: GPIO used to signal USB overcurrent condition. + minItems: 1 + maxItems: 3 + required: - compatible - reg @@ -144,6 +155,28 @@ required: allOf: - $ref: usb-hcd.yaml + - if: + properties: + compatible: + contains: + const: atmel,at91rm9200-ohci + then: + properties: + clock-names: + items: + - const: ohci_clk + - const: hclk + - const: uhpck + + required: + - clocks + - clock-names + + else: + properties: + atmel,vbus-gpio: false + atmel,oc-gpio: false + - if: not: properties: -- 2.53.0