linux-kernel - [PATCH v4 0/2] PCI: Add new UniPhier PCIe endpoint driver

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Message-Id: <1589457801-12796-1-git-send-email-hayashi.kunihiko@socionext.com>
Date:   Thu, 14 May 2020 21:03:19 +0900
From:   Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
To:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:     linux-pci@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Masami Hiramatsu <masami.hiramatsu@...aro.org>,
        Jassi Brar <jaswinder.singh@...aro.org>,
        Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
Subject: [PATCH v4 0/2]  PCI: Add new UniPhier PCIe endpoint driver

This series adds PCIe endpoint controller driver for Socionext UniPhier
SoCs. This controller is based on the DesignWare PCIe core.

This driver supports Pro5 SoC only, so Pro5 needs multiple clocks and
resets in devicetree node.

Changes since v3:
- dt-bindings: Convert with dt-schema
- Replace with devm_platform_ioremap_resource()
- Add a commnet that mutex covers raising legacy IRQ

Changes since v2:
- dt-bindings: Add clock-names, reset-names, and fix example for Pro5
- Remove 'is_legacy' indicating that the compatible is for legacy SoC
- Use pci_epc_features instead of defining uniphier_soc_data
- Remove redundant register read access
- Clean up return code on uniphier_add_pcie_ep()
- typo: intx -> INTx

Changes since v1:
- dt-bindings: Add Reviewed-by line
- Fix register value to set EP mode
- Add error message when failed to get phy
- Replace INTx assertion time with macro

Kunihiko Hayashi (2):
  dt-bindings: PCI: Add UniPhier PCIe endpoint controller description
  PCI: uniphier: Add Socionext UniPhier Pro5 PCIe endpoint controller
    driver

 .../bindings/pci/socionext,uniphier-pcie-ep.yaml   |  92 +++++
 MAINTAINERS                                        |   4 +-
 drivers/pci/controller/dwc/Kconfig                 |  13 +-
 drivers/pci/controller/dwc/Makefile                |   1 +
 drivers/pci/controller/dwc/pcie-uniphier-ep.c      | 383 +++++++++++++++++++++
 5 files changed, 489 insertions(+), 4 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/pci/socionext,uniphier-pcie-ep.yaml
 create mode 100644 drivers/pci/controller/dwc/pcie-uniphier-ep.c

-- 
2.7.4