From: Krzysztof Kozlowski <krzk@kernel.org>
To: Richard Genoud <richard.genoud@bootlin.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Thinh Nguyen <Thinh.Nguyen@synopsys.com>,
Aswath Govindraju <a-govindraju@ti.com>,
linux-usb@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Subject: Re: [PATCH 1/2] dt-bindings: usb/ti,am62-usb.yaml: Add ti,lane-reverse property
Date: Tue, 9 Sep 2025 09:32:01 +0200 [thread overview]
Message-ID: <20250909-curvy-happy-pug-eeffda@kuoka> (raw)
In-Reply-To: <20250908162052.355341-2-richard.genoud@bootlin.com>
On Mon, Sep 08, 2025 at 06:20:51PM +0200, Richard Genoud wrote:
> On some designs, the D+ and D- lines are swapped (on purpose or not).
> The PHY can handle that with the LANE_REVERSE bit.
>
> Signed-off-by: Richard Genoud <richard.genoud@bootlin.com>
> ---
> Documentation/devicetree/bindings/usb/ti,am62-usb.yaml | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/usb/ti,am62-usb.yaml b/Documentation/devicetree/bindings/usb/ti,am62-usb.yaml
> index f6e6d084d1c5..ba894d610af0 100644
> --- a/Documentation/devicetree/bindings/usb/ti,am62-usb.yaml
> +++ b/Documentation/devicetree/bindings/usb/ti,am62-usb.yaml
> @@ -36,6 +36,11 @@ properties:
> items:
> - const: ref
>
> + ti,lane-reverse:
> + description:
> + Should be present if D+ and D- lanes have to be swapped.
> + type: boolean
What is not working with existing data-lanes property?
Plus, lanes are swapped per port, not for entire device, no?
Best regards,
Krzysztof
next prev parent reply other threads:[~2025-09-09 7:32 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-08 16:20 [PATCH 0/2] ti,am62-usb: introduce ti,lane-reverse property Richard Genoud
2025-09-08 16:20 ` [PATCH 1/2] dt-bindings: usb/ti,am62-usb.yaml: Add " Richard Genoud
2025-09-09 7:32 ` Krzysztof Kozlowski [this message]
2025-09-09 9:11 ` Richard GENOUD
2025-09-14 14:55 ` Krzysztof Kozlowski
2025-09-18 15:41 ` Richard GENOUD
2025-09-19 4:31 ` Krzysztof Kozlowski
2025-09-08 16:20 ` [PATCH 2/2] usb: dwc3-am62: support " Richard Genoud
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