linux-kernel - Re: [PATCH v2 0/3] Fairphone 5 DisplayPort over USB-C support

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Message-ID: <y7dfv4mmtzkv2umvverkn6qvjt3tg7cz4jj4zsb4t6vu4heh4d@64zpkjihjc23>
Date: Wed, 12 Mar 2025 21:06:18 +0200
From: Dmitry Baryshkov <lumag@...nel.org>
To: Luca Weiss <luca.weiss@...rphone.com>
Cc: Bjorn Andersson <andersson@...nel.org>, 
	Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	cros-qcom-dts-watchers@...omium.org, ~postmarketos/upstreaming@...ts.sr.ht, 
	phone-devel@...r.kernel.org, linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Subject: Re: [PATCH v2 0/3] Fairphone 5 DisplayPort over USB-C support

On Wed, Mar 12, 2025 at 01:05:07PM +0100, Luca Weiss wrote:
> This series adds all the necessary bits to enable DisplayPort-out over
> USB-C on Fairphone 5.
> 
> There's currently a dt validation error with this, not quite sure how to
> resolve this:
> 
>   arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dtb: typec-mux@42: port:endpoint: Unevaluated properties are not allowed ('data-lanes' was unexpected)
>           from schema $id: http://devicetree.org/schemas/usb/fcs,fsa4480.yaml#

This comes from usb-switch.yaml, it requires that 'port' adheres to the
/schemas/graph.yaml#/properties/port (which forbids extra properties).
The usb-switch.yaml needs to be fixed to use port-base for that node.

> 
> See also this mail plus replies:
> * https://lore.kernel.org/linux-arm-msm/D0H3VE6RLM2I.MK2NT1P9N02O@fairphone.com/
> 
> Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
> ---
> Changes in v2:
> - Move adding "*-switch;" properties already in earlier patches
> - Move wiring up SS USB & DP to SoC instead of being done in device
> - Pick up tags
> - Link to v1: https://lore.kernel.org/r/20250226-fp5-pmic-glink-dp-v1-0-e6661d38652c@fairphone.com
> 
> ---
> Luca Weiss (3):
>       arm64: dts: qcom: qcm6490-fairphone-fp5: Add PTN36502 redriver
>       arm64: dts: qcom: qcm6490-fairphone-fp5: Add OCP96011 audio switch
>       arm64: dts: qcom: qcm6490-fairphone-fp5: Hook up DisplayPort over USB-C
> 
>  arch/arm64/boot/dts/qcom/qcm6490-fairphone-fp5.dts | 103 +++++++++++++++++++--
>  arch/arm64/boot/dts/qcom/sc7280.dtsi               |   9 +-
>  2 files changed, 104 insertions(+), 8 deletions(-)
> ---
> base-commit: dcb11dc4740372cd4cce0b763a4a8ec4e9f347a6
> change-id: 20231208-fp5-pmic-glink-dp-216b76084bee
> 
> Best regards,
> -- 
> Luca Weiss <luca.weiss@...rphone.com>
> 

-- 
With best wishes
Dmitry