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[V6,0/4] Add PCIe support for IPQ9574

Message ID 20240716092347.2177153-1-quic_srichara@quicinc.com
Headers show
Series Add PCIe support for IPQ9574 | expand

Message

Sricharan Ramabadhran July 16, 2024, 9:23 a.m. UTC
From: Sricharan Ramabadhran <quic_srichara@quicinc.com>

This series adds support for enabling the PCIe host devices (PCIe0, PCIe1,
PCIe2, PCIe3) found on IPQ9574 platform. The PCIe0 & PCIe1 are 1-lane Gen3
host and PCIe2 & PCIe3 are 2-lane Gen3 host.

[V6]
        - Dropped patches [1] and [2] for clks, since its already merged.
        - Addressed all comments from Krzysztof, Manivannan, Bjorn Helgaas.
          Specifically dropped defining a new macro for SLV_ADDR_SPACE_SZ.
          Letting it at reset value is fine.

          Both dt_binding_check and dtbs_check passed and tested on ipq9574-rdp433

	[1] - https://patchwork.kernel.org/project/linux-pci/patch/20240512082858.1806694-2-quic_devipriy@quicinc.com/
	[2] - https://patchwork.kernel.org/project/linux-pci/patch/20240512082858.1806694-3-quic_devipriy@quicinc.com/

[V5]
	Change logs are added to the respective patches
	This series depends on the below series which adds support for
	Interconnect driver[1] and fetching clocks from the Device Tree[2]
	[1] - https://lore.kernel.org/linux-arm-msm/20240430064214.2030013-1-quic_varada@quicinc.com/
	[2] - https://lore.kernel.org/linux-pci/20240417-pci-qcom-clk-bulk-v1-1-52ca19b3d6b2@linaro.org/
[V4]
https://lore.kernel.org/linux-arm-msm/20230528142111.GC2814@thinkpad/

[V3]
https://lore.kernel.org/linux-arm-msm/20230421124938.21974-1-quic_devipriy@quicinc.com/
	- Dropped the phy driver and binding patches as they have been
	  posted as a separate series.
	- Dropped the pinctrl binding fix patch as it is unrelated to the series
	  dt-bindings: pinctrl: qcom: Add few missing functions.
	- Rebased on linux-next/master.
	- Detailed change logs are added to the respective patches.

[V2]
https://lore.kernel.org/linux-arm-msm/20230404164828.8031-1-quic_devipriy@quicinc.com/
	- Reordered the patches and split the board DT changes
	  into a separate patch as suggested
	- Detailed change logs are added to the respective patches
[V1]
https://lore.kernel.org/linux-arm-msm/20230214164135.17039-1-quic_devipriy@quicinc.com/

devi priya (4):
  dt-bindings: PCI: qcom: Document the IPQ9574 PCIe controller.
  arm64: dts: qcom: ipq9574: Add PCIe PHYs and controller nodes
  arm64: dts: qcom: ipq9574: Enable PCIe PHYs and controllers
  PCI: qcom: Add support for IPQ9574

 .../devicetree/bindings/pci/qcom,pcie.yaml    |  50 +++
 arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts   | 113 +++++
 arch/arm64/boot/dts/qcom/ipq9574.dtsi         | 425 +++++++++++++++++-
 drivers/pci/controller/dwc/pcie-qcom.c        |  31 +-
 4 files changed, 611 insertions(+), 8 deletions(-)

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2.34.1