From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Neil Armstrong <neil.armstrong@linaro.org>,
Vinod Koul <vkoul@kernel.org>,
Kishon Vijay Abraham I <kishon@kernel.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>
Cc: Xilin Wu <sophon@radxa.com>,
linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Subject: Re: [PATCH v6 2/3] phy: qcom: qmp-combo: get the USB3 & DisplayPort lanes mapping from DT
Date: Wed, 22 Oct 2025 18:38:25 +0200 [thread overview]
Message-ID: <06f74fee-9ab5-4b26-9497-9f617edd97f0@oss.qualcomm.com> (raw)
In-Reply-To: <20251013-topic-x1e80100-hdmi-v6-2-3a9c8f7506d6@linaro.org>
On 10/13/25 10:55 AM, Neil Armstrong wrote:
> The QMP USB3/DP Combo PHY hosts an USB3 phy and a DP PHY on top
> of a combo glue to route either lanes to the 4 shared physical lanes.
>
> The routing of the lanes can be:
> - 2 DP + 2 USB3
> - 4 DP
> - 2 USB3
>
> Get the lanes mapping from DT and stop registering the USB-C
> muxes in favor of a static mode and orientation detemined
> by the lanes mapping.
>
> This allows supporting boards with direct connection of USB3 and
> DisplayPort lanes to the QMP Combo PHY lanes, not using the
> USB-C Altmode feature.
>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
> Tested-by: Xilin Wu <sophon@radxa.com> # qcs6490-radxa-dragon-q6a
> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Konrad
next prev parent reply other threads:[~2025-10-22 16:38 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-13 8:55 [PATCH v6 0/3] arm64: qcom: x1e78100-lenovo-thinkpad-t14s: add support for HDMI output Neil Armstrong
2025-10-13 8:55 ` [PATCH v6 1/3] dt-bindings: phy: qcom,sc8280xp-qmp-usb43dp-phy: Document lanes mapping when not using in USB-C complex Neil Armstrong
2025-10-13 8:55 ` [PATCH v6 2/3] phy: qcom: qmp-combo: get the USB3 & DisplayPort lanes mapping from DT Neil Armstrong
2025-10-22 16:38 ` Konrad Dybcio [this message]
2025-10-24 9:35 ` Abel Vesa
2025-10-13 8:55 ` [PATCH v6 3/3] arm64: dts: qcom: x1e78100-lenovo-thinkpad-t14s: add HDMI nodes Neil Armstrong
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