[PATCH v2 0/2] Add driver support for Eswin EIC7700 SoC PCIe controller

[zhangsenchuan@eswincomputing.com]

From: Senchuan Zhang <zhangsenchuan@eswincomputing.com>

This series depends on the vendor prefix [1] and config option patch [2].

[1] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20250825&id=ac29e4487aa20a21b7c3facbd1f14f5093835dc9
[2] https://lore.kernel.org/all/20250825132427.1618089-3-pinkesh.vaghela@einfochips.com/

Changes in v2:
- Updates: eswin,eic7700-pcie.yaml
  - Optimize the naming of "clock-names" and "reset-names".
  - Add a reference to "$ref: /schemas/pci/pci-host-bridge.yaml#".
    (The name of the reset attribute in the "snps,dw-pcie-common.yaml"
    file is different from our reset attribute and "snps,dw-pcie.yaml"
    file cannot be directly referenced)
  - Follow DTS coding style to optimize yaml attributes.
  - Remove status = "disabled" from yaml.

- Updates: pcie-eic7700.c
  - Remove unnecessary imported header files.
  - Use dev_err instead of pr_err and remove the WARN_ON function.
  - The eswin_evb_socket_power_on function is removed and not supported.
  - The eswin_pcie_remove function is placed after the probe function.
  - Optimize function alignment.
  - Manage the clock using the devm_clk_bulk_get_all_enabled function.
  - Handle the release of resources after the dw_pcie_host_init function
    call fails.
  - Remove the dev_dbg function and remove __exit_p.
  - Add support for the system pm function.
- Link to V1: https://lore.kernel.org/all/20250516094057.1300-1-zhangsenchuan@eswincomputing.com/

Senchuan Zhang (2):
  dt-bindings: PCI: eic7700: Add Eswin eic7700 PCIe host controller
  PCI: eic7700: Add Eswin eic7700 PCIe host controller driver

 .../bindings/pci/eswin,eic7700-pcie.yaml      | 142 +++++++
 drivers/pci/controller/dwc/Kconfig            |  12 +
 drivers/pci/controller/dwc/Makefile           |   1 +
 drivers/pci/controller/dwc/pcie-eic7700.c     | 350 ++++++++++++++++++
 4 files changed, 505 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pci/eswin,eic7700-pcie.yaml
 create mode 100644 drivers/pci/controller/dwc/pcie-eic7700.c

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