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Sat, 06 Dec 2025 03:27:52 -0800 (PST) Message-ID: <99b0dbae-0014-4d09-8724-092c03393dac@tuxon.dev> Date: Sat, 6 Dec 2025 13:27:50 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/4] dt-bindings: usb: Add Microchip LAN969x support To: Robert Marko , robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, gregkh@linuxfoundation.org, nicolas.ferre@microchip.com, mturquette@baylibre.com, sboyd@kernel.org, richardcochran@gmail.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, daniel.machon@microchip.com, UNGLinuxDriver@microchip.com Cc: luka.perkov@sartura.hr References: <20251203122313.1287950-1-robert.marko@sartura.hr> From: Claudiu Beznea Content-Language: en-US In-Reply-To: <20251203122313.1287950-1-robert.marko@sartura.hr> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Hi, Robert, On 12/3/25 14:21, Robert Marko wrote: > Microchip LAN969x has DWC3 compatible controller, though limited to 2.0(HS) > speed, so document it. > > Signed-off-by: Robert Marko > --- > .../bindings/usb/microchip,lan9691-dwc3.yaml | 68 +++++++++++++++++++ > 1 file changed, 68 insertions(+) > create mode 100644 Documentation/devicetree/bindings/usb/microchip,lan9691-dwc3.yaml > > diff --git a/Documentation/devicetree/bindings/usb/microchip,lan9691-dwc3.yaml b/Documentation/devicetree/bindings/usb/microchip,lan9691-dwc3.yaml > new file mode 100644 > index 000000000000..7ffcbbd1e0f4 > --- /dev/null > +++ b/Documentation/devicetree/bindings/usb/microchip,lan9691-dwc3.yaml > @@ -0,0 +1,68 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/usb/microchip,lan9691-dwc3.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Microchip LAN969x SuperSpeed DWC3 USB SoC controller > + > +maintainers: > + - Robert Marko > + > +select: > + properties: > + compatible: > + contains: > + enum: > + - microchip,lan9691-dwc3 > + required: > + - compatible > + > +properties: > + compatible: > + items: > + - enum: > + - microchip,lan9691-dwc3 > + - const: snps,dwc3 > + > + reg: > + maxItems: 1 > + > + interrupts: > + maxItems: 1 > + > + clocks: > + items: > + - description: Gated USB DRD clock > + - description: Controller reference clock > + > + clock-names: > + items: > + - const: bus_early > + - const: ref > + > +unevaluatedProperties: false > + > +required: > + - compatible > + - reg > + - interrupts > + - clocks > + - clock-names > + > +allOf: > + - $ref: snps,dwc3.yaml# > + > +examples: > + - | > + #include > + #include > + > + usb@300000 { > + compatible = "microchip,lan9691-dwc3", "snps,dwc3"; AFICT, the examples should be indented by 4 spaces. > + reg = <0x300000 0x80000>; > + interrupts = ; > + clocks = <&clks GCK_GATE_USB_DRD>, > + <&clks GCK_ID_USB_REFCLK>; > + clock-names = "bus_early", "ref"; > + };