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Date:   Thu, 31 Dec 2020 18:18:23 +0800
From:   Hongtao Wu <>
To:     Lorenzo Pieralisi <>,
        Rob Herring <>
Cc:     Orson Zhai <>,
        Baolin Wang <>,
        Chunyan Zhang <>,,,, Hongtao Wu <>
Subject: [PATCH v5 0/2] PCI: Add new Unisoc PCIe driver

From: Hongtao Wu <>

This series adds PCIe controller driver for Unisoc SoCs.
This controller is based on DesignWare PCIe IP.

Changes from v1:
1) Test this patch on top of Rob Herring's 40 part series of DWC clean-ups:

2) Delete empty function

3) Document property "sprd,pcie-poweron-syscons" and

4) Delete runtime suspend/resume function

5) Add COMPILE_TEST which CONFIG_PCIE_SPRD depends on

Changes from v2:
1) Change RC mode to host mode in drivers/pci/controller/dwc/Kconfig

2) Change Signed-off-by from Billows Wu to Hongtao Wu

Changes from v3:
1) Split the property 'sprd,pcie-poweron-syscons' and
   'sprd,pcie-poweroff-syscons' into reset, power domains, phy and so on.

2) Delete the function to get resource 'msi' and 'dbi' which were parsed by the
   DW core.

3) Delete the function 'sprd_pcie_host_init', because the DW core has done it.

Changes from v4:
1) Install 'yamllint' and upgrade dt-schema in order to solve the yamllint and
   dtschema/dtc warnings/errors.

Hongtao Wu (2):
  dt-bindings: PCI: sprd: Document Unisoc PCIe RC host controller
  PCI: sprd: Add support for Unisoc SoCs' PCIe controller

 .../devicetree/bindings/pci/sprd-pcie.yaml         |  93 +++++++
 drivers/pci/controller/dwc/Kconfig                 |  12 +
 drivers/pci/controller/dwc/Makefile                |   1 +
 drivers/pci/controller/dwc/pcie-sprd.c             | 293 +++++++++++++++++++++
 4 files changed, 399 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pci/sprd-pcie.yaml
 create mode 100644 drivers/pci/controller/dwc/pcie-sprd.c


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