linux-kernel - [PATCH v5 00/14] PCI: Add support for Apple M1

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Date:   Wed, 29 Sep 2021 17:38:33 +0100
From:   Marc Zyngier <maz@...nel.org>
To:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-pci@...r.kernel.org
Cc:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Rob Herring <robh+dt@...nel.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Alyssa Rosenzweig <alyssa@...enzweig.io>,
        Stan Skowronek <stan@...ellium.com>,
        Mark Kettenis <kettenis@...nbsd.org>,
        Sven Peter <sven@...npeter.dev>,
        Hector Martin <marcan@...can.st>,
        Robin Murphy <Robin.Murphy@....com>,
        Joey Gouly <joey.gouly@....com>,
        Joerg Roedel <joro@...tes.org>, kernel-team@...roid.com
Subject: [PATCH v5 00/14] PCI: Add support for Apple M1

This is v5 of the series adding PCIe support for the M1 SoC. Not a lot
has changed this time around, and most of what I was saying in [1] is
still valid.

Very little has changed code wise (a couple of bug fixes). The series
however now carries a bunch of DT updates so that people can actually
make use of PCIe on an M1 box (OK, not quite, you will still need [2],
or whatever version replaces it). The corresponding bindings are
either already merged, or queued for 5.16 (this is the case for the
PCI binding).

It all should be in a state that makes it mergeable (yeah, I said that
last time... I mean it this time! ;-).

As always, comments welcome.

	M.

[1] https://lore.kernel.org/r/20210922205458.358517-1-maz@kernel.org
[2] https://lore.kernel.org/r/20210921222956.40719-2-joey.gouly@arm.com

Alyssa Rosenzweig (2):
  PCI: apple: Add initial hardware bring-up
  PCI: apple: Set up reference clocks when probing

Marc Zyngier (10):
  irqdomain: Make of_phandle_args_to_fwspec generally available
  of/irq: Allow matching of an interrupt-map local to an interrupt
    controller
  PCI: of: Allow matching of an interrupt-map local to a PCI device
  PCI: apple: Add INTx and per-port interrupt support
  PCI: apple: Implement MSI support
  iommu/dart: Exclude MSI doorbell from PCIe device IOVA range
  PCI: apple: Configure RID to SID mapper on device addition
  arm64: dts: apple: t8103: Add PCIe DARTs
  arm64: dts: apple: t8103: Add root port interrupt routing
  arm64: dts: apple: j274: Expose PCI node for the Ethernet MAC address

Mark Kettenis (2):
  arm64: apple: Add pinctrl nodes
  arm64: apple: Add PCIe node

 MAINTAINERS                              |   7 +
 arch/arm64/boot/dts/apple/t8103-j274.dts |  23 +
 arch/arm64/boot/dts/apple/t8103.dtsi     | 203 ++++++
 drivers/iommu/apple-dart.c               |  27 +
 drivers/of/irq.c                         |  17 +-
 drivers/pci/controller/Kconfig           |  17 +
 drivers/pci/controller/Makefile          |   1 +
 drivers/pci/controller/pcie-apple.c      | 822 +++++++++++++++++++++++
 drivers/pci/of.c                         |  10 +-
 include/linux/irqdomain.h                |   4 +
 kernel/irq/irqdomain.c                   |   6 +-
 11 files changed, 1127 insertions(+), 10 deletions(-)
 create mode 100644 drivers/pci/controller/pcie-apple.c

-- 
2.30.2