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Message-Id: <20250919-add-displayport-support-for-qcs615-platform-v5-0-eae6681f4002@oss.qualcomm.com>
Date: Fri, 19 Sep 2025 22:24:17 +0800
From: Xiangxu Yin <xiangxu.yin@....qualcomm.com>
To: Vinod Koul <vkoul@...nel.org>, Kishon Vijay Abraham I <kishon@...nel.org>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Rob Clark <robin.clark@....qualcomm.com>,
Dmitry Baryshkov <lumag@...nel.org>,
Abhinav Kumar <abhinav.kumar@...ux.dev>,
Jessica Zhang <jessica.zhang@....qualcomm.com>,
Sean Paul <sean@...rly.run>,
Marijn Suijten <marijn.suijten@...ainline.org>,
David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>
Cc: linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
fange.zhang@....qualcomm.com, yongxing.mou@....qualcomm.com,
li.liu@....qualcomm.com,
Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konradybcio@...nel.org>,
Xiangxu Yin <xiangxu.yin@....qualcomm.com>
Subject: [PATCH v5 00/14] Add DisplayPort support for QCS615 platform
This series aims to extend the USB-C PHY to support DP mode and enable
DisplayPort on the Qualcomm QCS615 platform.
The devicetree modification for DisplayPort on QCS615 will be provided
in a future patch.
Signed-off-by: Xiangxu Yin <xiangxu.yin@....qualcomm.com>
---
Changes in v5:
- Add new patch to introduce QSERDES v2 COM/TXRX register headers.
- Restore legacy reset & clock register logic. [Dmitry]
- Update phy_xlate() to return ERR_PTR(-ENODEV) when dp_phy is NULL. [Dmitry]
- Rename helper from qmp_check_mutex_phy() to qmp_usbc_check_phy_status(). [Dmitry]
- Drop storing struct device *dev in dp_link as it is only used once. [Dmitry]
- Add robust lane mapping: default 1:1, complete partial configs. [Dmitry]
- Reorganize sub-patches v5[07/14， 08/14, 11/14， 12/14] as suggested.
- Link to v4: https://lore.kernel.org/all/20250911-add-displayport-support-for-qcs615-platform-v4-0-2702bdda14ed@oss.qualcomm.com/
Changes in v4:
- Drop patch v3[01/14 & 13/14], will sutbmit new patchsets based mst dt binding series.
- Update maintainer of qcom,qcs615-qmp-usb3dp-phy.yaml to myself.
- Add missing aux and pipe clocks. [Dmitry]
- Drop second TCSR phandle; register offsets are described directly. [Dmitry]
- Add USBC PHY series related init_load_uA configs. [Dmitry]
- Drop v3[04/14] qmp_phy_usbc_type define and use dp_serdes offsets to confirm DP capability [Dmitry]
- Reorganize sub-patches as suggested.
- Link to v3: https://lore.kernel.org/all/20250820-add-displayport-support-for-qcs615-platform-v3-0-a43bd25ec39c@oss.qualcomm.com/
Changes in v3:
- Renamed qcom,qcs615-qmp-dp-phy.yaml in v2 to qcom,qcs615-qmp-dp-phy.yaml in v3 for QCS615 USB3+DP PHY.
- Updated patch v3[02/14] to revise binding title, description, and property order. [Krzysztof]
- Updated commit messages in patch v3[01/14] and [13/14] to reflect the DTSI rename and clarify compatibility. [Krzysztof]
- Added USB3+DP mode implementation in patches v3 [003–012], organized in logical chunks. [Dmitry]
- Dropped patch v2[03/13] to maintain full backward compatibility with USBC.
- Link to v2: https://lore.kernel.org/all/20250722-add-displayport-support-for-qcs615-platform-v2-0-42b4037171f8@oss.qualcomm.com/
Changes in v2:
- Add new binding qcom,qcs615-qmp-dp-phy.yaml for QCS615 standalone DP
- Split DP PHY driver into patches 4-11 by logical chunks [Dmitry]
- Update DP PHY configuration flow to align with QMP Combo PHY implementation [Dmitry]
- Update all hex values to lowercase [Dmitry]
- Remove redundant comments in DP PHY driver [Krzysztof]
- Remove invalid USBC type define [Dmitry]
- Move lane_map， max_dp_lanes， max_dp_link_rate parsing logic to dp_link [Dmitry]
- Add TCSR-based mutex logic for DP and USB PHY coexistence [Dmitry]
- Drop patches 6–8 and remove related binding properties as rejected upstream
- Link to v1: https://lore.kernel.org/all/20241129-add-displayport-support-for-qcs615-platform-v1-0-09a4338d93ef@quicinc.com/
---
Xiangxu Yin (14):
dt-bindings: phy: Add QMP USB3+DP PHY for QCS615
phy: qcom: qmp-usbc: Rename USB-specific ops to prepare for DP support
phy: qcom: qmp-usbc: Add DP-related fields for USB/DP switchable PHY
phy: qcom: qmp-usbc: Add regulator init_load support
phy: qcom: qmp-usbc: Move reset config into PHY cfg
phy: qcom: qmp-usbc: Add USB/DP switchable PHY clk register
phy: qcom: qmp-usbc: Move USB-only init to usb_power_on
phy: qcom: qmp-usbc: Add TCSR parsing and PHY mode setting
phy: qcom: qmp-usbc: Add DP PHY ops for USB/DP switchable Type-C PHYs
phy: qcom: qmp-usbc: Add USB/DP exclude handling
phy: qcom: qmp: Add DP v2 PHY register definitions
phy: qcom: qmp-usbc: Add QCS615 USB/DP PHY config and DP mode support
drm/msm/dp: move link-specific parsing from dp_panel to dp_link
drm/msm/dp: Add support for lane mapping configuration
.../bindings/phy/qcom,qcs615-qmp-usb3dp-phy.yaml | 111 ++
drivers/gpu/drm/msm/dp/dp_ctrl.c | 10 +-
drivers/gpu/drm/msm/dp/dp_link.c | 117 +++
drivers/gpu/drm/msm/dp/dp_link.h | 5 +
drivers/gpu/drm/msm/dp/dp_panel.c | 78 +-
drivers/gpu/drm/msm/dp/dp_panel.h | 3 -
drivers/phy/qualcomm/phy-qcom-qmp-dp-phy-v2.h | 21 +
drivers/phy/qualcomm/phy-qcom-qmp-qserdes-com-v2.h | 106 ++
.../phy/qualcomm/phy-qcom-qmp-qserdes-txrx-v2.h | 68 ++
drivers/phy/qualcomm/phy-qcom-qmp-usbc.c | 1058 ++++++++++++++++++--
drivers/phy/qualcomm/phy-qcom-qmp.h | 3 +
11 files changed, 1412 insertions(+), 168 deletions(-)
---
base-commit: 8f7f8b1b3f4c613dd886f53f768f82816b41eaa3
change-id: 20250919-add-displayport-support-for-qcs615-platform-f885597b3573
Best regards,
--
Xiangxu Yin <xiangxu.yin@....qualcomm.com>
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