linux-kernel - Re: [PATCH v3 1/4] dt-bindings: usb: Add Parade PS8830 Type-C retimer bindings

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Message-ID: <20241022-consoling-settle-efcb2d3fa8c0@spud>
Date: Tue, 22 Oct 2024 17:30:53 +0100
From: Conor Dooley <conor@...nel.org>
To: Abel Vesa <abel.vesa@...aro.org>
Cc: Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, linux-arm-msm@...r.kernel.org,
	Bjorn Andersson <andersson@...nel.org>,
	Konrad Dybcio <konradybcio@...nel.org>,
	Rajendra Nayak <quic_rjendra@...cinc.com>,
	Sibi Sankar <quic_sibis@...cinc.com>,
	Johan Hovold <johan@...nel.org>,
	Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
	Trilok Soni <quic_tsoni@...cinc.com>, linux-kernel@...r.kernel.org,
	linux-usb@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v3 1/4] dt-bindings: usb: Add Parade PS8830 Type-C
 retimer bindings

On Tue, Oct 22, 2024 at 01:26:54PM +0300, Abel Vesa wrote:
> Document bindings for the Parade PS8830 Type-C retimer. This retimer is
> currently found on all boards featuring Qualcomm Snapdragon X Elite SoCs
> and it is needed to provide altmode muxing between DP and USB, but also
> connector orientation handling between.
> 
> Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
> ---
>  .../devicetree/bindings/usb/parade,ps8830.yaml     | 129 +++++++++++++++++++++
>  1 file changed, 129 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/usb/parade,ps8830.yaml b/Documentation/devicetree/bindings/usb/parade,ps8830.yaml
> new file mode 100644
> index 0000000000000000000000000000000000000000..ee4c69eca6066e4da0373fad6c25d6e9fff83366
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/usb/parade,ps8830.yaml
> @@ -0,0 +1,129 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/usb/parade,ps8830.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Parade PS8830 USB and DisplayPort Retimer
> +
> +maintainers:
> +  - Abel Vesa <abel.vesa@...aro.org>
> +
> +properties:
> +  compatible:
> +    enum:
> +      - parade,ps8830
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    items:
> +      - description: XO Clock
> +
> +  clock-names:
> +    items:
> +      - const: xo
> +
> +  ps8830,boot-on:

The prefix here should be the vendor, not the model. How come whether or
not it is enabled at boot cannot be detected at runtime?

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