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Message-Id: <20230308082424.140224-1-manivannan.sadhasivam@linaro.org>
Date:   Wed,  8 Mar 2023 13:54:11 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     andersson@...nel.org, lpieralisi@...nel.org, robh@...nel.org,
        kw@...ux.com, krzysztof.kozlowski+dt@...aro.org, vkoul@...nel.org
Cc:     konrad.dybcio@...aro.org, bhelgaas@...gle.com, kishon@...nel.org,
        linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Subject: [PATCH v3 00/13] Add PCIe RC support to Qcom SDX55 SoC

Hi,

This series adds PCIe RC support to the Qcom SDX55 SoC. The PCIe controller
in SDX55 can act as both Root Complex and Endpoint but only one mode at a
time i.e., the mode cannot be switched during runtime.

This series has been tested on Thundercomm T55 board having QCA6390 WLAN
chipset connected to the PCIe controller. For powering up the WLAN chipset,
an out-of-tree patch has been used since we do not have a proper driver in
mainline to handle the power supplies.

NOTE: Even with this series, I couldn't get network connectivity using
QCA6390. But that's due to ath11k regression for which I've filed a bug
report: https://bugzilla.kernel.org/show_bug.cgi?id=217070

Merging strategy
----------------

PCI and binding patches through PCI tree
PHY patches through PHY tree
Devicetree patches through Qcom tree

Thanks,
Mani

Changes in v3:

* Removed "iommus" property from binding and dtsi file
* Fixed the PCIe I/O range
* Rebased on top of v6.3-rc1
* Collected reviews

Changes in v2:

* Added patch to move status property down
* Added patch to list property values vertically
* Addressed comments from Konrad
* Collected review tags
* Fixed review tag for dts patch

Manivannan Sadhasivam (13):
  dt-bindings: PCI: qcom: Update maintainers entry
  dt-bindings: PCI: qcom: Add iommu-map properties
  dt-bindings: PCI: qcom: Add SDX55 SoC
  dt-bindings: PCI: qcom-ep: Fix the unit address used in example
  ARM: dts: qcom: sdx55: Fix the unit address of PCIe EP node
  ARM: dts: qcom: sdx55: Rename pcie0_{phy/lane} to pcie_{phy/lane}
  ARM: dts: qcom: sdx55: Add support for PCIe RC controller
  ARM: dts: qcom: sdx55: List the property values vertically
  ARM: dts: qcom: sdx55-t55: Enable PCIe RC support
  ARM: dts: qcom: sdx55-t55: Move "status" property down
  phy: qcom-qmp-pcie: Split out EP related init sequence for SDX55
  phy: qcom-qmp-pcie: Add RC init sequence for SDX55
  PCI: qcom: Add support for SDX55 SoC

 .../devicetree/bindings/pci/qcom,pcie-ep.yaml |   2 +-
 .../devicetree/bindings/pci/qcom,pcie.yaml    |  32 +++-
 arch/arm/boot/dts/qcom-sdx55-t55.dts          |  50 ++++-
 .../boot/dts/qcom-sdx55-telit-fn980-tlb.dts   |   2 +-
 arch/arm/boot/dts/qcom-sdx55.dtsi             | 178 +++++++++++++-----
 drivers/pci/controller/dwc/pcie-qcom.c        |   4 +-
 drivers/phy/qualcomm/phy-qcom-qmp-pcie.c      |  91 +++++++--
 .../qualcomm/phy-qcom-qmp-pcs-pcie-v4_20.h    |   2 +
 8 files changed, 297 insertions(+), 64 deletions(-)

-- 
2.25.1

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