linux-kernel - [RESEND PATCH V6 0/2] PCI: Add new Unisoc PCIe driver

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Date:   Mon, 22 Mar 2021 17:18:29 +0800
From:   Chunyan Zhang <zhang.lyra@...il.com>
To:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Rob Herring <robh+dt@...nel.org>
Cc:     linux-pci@...r.kernel.org, devicetree@...r.kernel.org,
        Hongtao Wu <wuht06@...il.com>,
        Baolin Wang <baolin.wang7@...il.com>,
        linux-kernel@...r.kernel.org, Orson Zhai <orsonzhai@...il.com>,
        Chunyan Zhang <zhang.lyra@...il.com>,
        Chunyan Zhang <chunyan.zhang@...soc.com>
Subject: [RESEND PATCH V6 0/2] PCI: Add new Unisoc PCIe driver

From: Chunyan Zhang <chunyan.zhang@...soc.com>

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

This RESEND patch set V6 is based on v5.12-rc4.

Changes since v5:
* Change "GPL v2" to "GPL".
* Remove exit_p wrapper which used to define remove callback.

Changes since v4:
* Install 'yamllint' and upgrade dt-schema in order to solve the yamllint and
  dtschema/dtc warnings/errors:

Changes since v3:
* Split the property 'sprd,pcie-poweron-syscons' and
  'sprd,pcie-poweroff-syscons' into reset, power domains, phy and so on;
* Delete the function to get resource 'msi' and 'dbi' which were parsed by the
  DW core;
* Delete the function 'sprd_pcie_host_init', because the DW core has done it.

Changes since v2:
* Change RC mode to host mode in drivers/pci/controller/dwc/Kconfig;
* Change Signed-off-by from Billows Wu to Hongtao Wu

Changes since v1:
* Test this patch on top of Rob Herring's 40 part series of DWC clean-ups:
  https://lore.kernel.org/linux-pci/20200821035420.380495-1-robh@kernel.org/
* Delete empty function;
* Document property "sprd,pcie-poweron-syscons" and 'sprd,pcie-poweroff-syscons';
* Delete runtime suspend/resume function;
* Add COMPILE_TEST which CONFIG_PCIE_SPRD depends on.

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        | 292 ++++++++++++++++++
 4 files changed, 398 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pci/sprd-pcie.yaml
 create mode 100644 drivers/pci/controller/dwc/pcie-sprd.c

-- 
2.25.1