linux-kernel - [PATCH v2 0/6] Add DW PCIe support for Exynos5433 SoCs

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Date:   Fri, 23 Oct 2020 09:57:38 +0200
From:   Marek Szyprowski <m.szyprowski@...sung.com>
To:     linux-samsung-soc@...r.kernel.org, linux-pci@...r.kernel.org
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jaehoon Chung <jh80.chung@...sung.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Jingoo Han <jingoohan1@...il.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        Rob Herring <robh+dt@...nel.org>
Subject: [PATCH v2 0/6] Add DW PCIe support for Exynos5433 SoCs

Dear All,

This patchset is a resurrection of the DW PCIe support for the Exynos5433
SoCs posted long time ago here: https://lkml.org/lkml/2016/12/26/6 and
later here: https://lkml.org/lkml/2017/12/21/296 .

In meantime the support for the Exynos5440 SoCs has been completely
dropped from mainline kernel, as those SoCs never reached the market. The
PCIe driver for Exynos5440 variant however has not been removed yet. This
patchset simply reworks it to support the Exynos5433 variant. The lack of
the need to support both variants significantly simplifies the driver
code.

Best regards,
Marek Szyprowski

v2:
- fixed issues in dt-bindings pointed by Krzysztof and Rob

v1: https://lore.kernel.org/linux-samsung-soc/20201019094715.15343-1-m.szyprowski@samsung.com/
- initial version of this resurrected patchset

Patch summary:

Jaehoon Chung (3):
  phy: samsung: phy-exynos-pcie: rework driver to support Exynos5433
    PCIe PHY
  pci: dwc: pci-exynos: rework the driver to support Exynos5433 variant
  arm64: dts: exynos: add the WiFi/PCIe support to TM2(e) boards

Marek Szyprowski (3):
  dt-bindings: pci: drop samsung,exynos5440-pcie binding
  dt-bindings: pci: add the samsung,exynos-pcie binding
  dt-bindings: phy: add the samsung,exynos-pcie-phy binding

 .../bindings/pci/samsung,exynos-pcie.yaml     | 114 ++++++
 .../bindings/pci/samsung,exynos5440-pcie.txt  |  58 ---
 .../bindings/phy/samsung,exynos-pcie-phy.yaml |  51 +++
 .../boot/dts/exynos/exynos5433-pinctrl.dtsi   |   2 +-
 .../dts/exynos/exynos5433-tm2-common.dtsi     |  24 +-
 arch/arm64/boot/dts/exynos/exynos5433.dtsi    |  35 ++
 drivers/pci/controller/dwc/Kconfig            |   3 +-
 drivers/pci/controller/dwc/pci-exynos.c       | 358 +++++++-----------
 drivers/pci/quirks.c                          |   1 +
 drivers/phy/samsung/phy-exynos-pcie.c         | 304 ++++++---------
 10 files changed, 481 insertions(+), 469 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/pci/samsung,exynos-pcie.yaml
 delete mode 100644 Documentation/devicetree/bindings/pci/samsung,exynos5440-pcie.txt
 create mode 100644 Documentation/devicetree/bindings/phy/samsung,exynos-pcie-phy.yaml

-- 
2.17.1