linux-kernel - [PATCH v3 0/7] Add PCIe support for SM8150 SoC

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Date:   Thu,  3 Mar 2022 02:00:38 +0530
From:   Bhupesh Sharma <bhupesh.sharma@...aro.org>
To:     linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org
Cc:     bhupesh.sharma@...aro.org, bhupesh.linux@...il.com,
        lorenzo.pieralisi@....com, agross@...nel.org,
        bjorn.andersson@...aro.org, svarbanov@...sol.com,
        bhelgaas@...gle.com, linux-kernel@...r.kernel.org,
        robh+dt@...nel.org, sboyd@...nel.org, mturquette@...libre.com,
        linux-clk@...r.kernel.org
Subject: [PATCH v3 0/7] Add PCIe support for SM8150 SoC

Changes since v2:
-----------------
- v2 can be found here: https://lore.kernel.org/linux-arm-msm/20220301072511.117818-1-bhupesh.sharma@linaro.org/T/
- Fixed review comments from Dmitry and Bjorn.
- Modified [PATCH 3/7] from v1 to include gdsc driver structs and
  support code for PCIe0 and PCIe1 (in addition to defines for the
  same).

Changes since v1:
-----------------
- v1 can be found here: https://lore.kernel.org/linux-arm-msm/20220223192946.473172-1-bhupesh.sharma@linaro.org/T/
- Collected ACKs on [PATCH 1/7], [PATCH 2/7] and [PATCH 4/7] from Rob
  and Dmitry.
- Broke down another separately sent out PATCH (see [1]), into a 3 patches (one each for emac, pci
  and ufs gdsc defines) - one of which is carried as [PATCH 3/7]
  in this series, which fixes a compilation error.
  The rest of the gdsc defines have been sent out as separate patch(es).
[1]. https://patchwork.kernel.org/project/netdevbpf/patch/20220126221725.710167-4-bhupesh.sharma@linaro.org/
- Rob's bot reported a number of 'dtbs_check' errors with the v1 series,
  which are been fixed with a separate series now (see [2]), to ease the
  review of this series.
[2]. https://lore.kernel.org/linux-arm-msm/20220228123019.382037-1-bhupesh.sharma@linaro.org/T/


This series adds PCIe support for Qualcomm SM8150 SoC with relevant PHYs.
There are 2 PCIe instances on this SoC each with different PHYs. The PCIe
controller and PHYs are mostly compatible with the ones found on SM8250
SoC, hence the old drivers are modified to add the support.

This series has been tested on SA8155p ADP board with QCA6696 chipset connected
onboard.

Cc: Bjorn Andersson <bjorn.andersson@...aro.org>
Cc: Rob Herring <robh+dt@...nel.org>

Bhupesh Sharma (7):
  dt-bindings: pci: qcom: Document PCIe bindings for SM8150 SoC
  dt-bindings: phy: qcom,qmp: Add SM8150 PCIe PHY bindings
  clk: qcom: gcc: Add PCIe0 and PCIe1 GDSC for SM8150
  phy: qcom-qmp: Add SM8150 PCIe QMP PHYs
  PCI: qcom: Add SM8150 SoC support
  arm64: dts: qcom: sm8150: Add PCIe nodes
  arm64: dts: qcom: sa8155: Enable PCIe nodes

 .../devicetree/bindings/pci/qcom,pcie.txt     |   5 +-
 .../devicetree/bindings/phy/qcom,qmp-phy.yaml |   4 +
 arch/arm64/boot/dts/qcom/sa8155p-adp.dts      |  42 +++
 arch/arm64/boot/dts/qcom/sm8150.dtsi          | 243 ++++++++++++++++++
 drivers/clk/qcom/gcc-sm8150.c                 |  20 ++
 drivers/pci/controller/dwc/pcie-qcom.c        |   8 +
 drivers/phy/qualcomm/phy-qcom-qmp.c           |  90 +++++++
 include/dt-bindings/clock/qcom,gcc-sm8150.h   |   2 +
 8 files changed, 412 insertions(+), 2 deletions(-)

-- 
2.35.1