Add a minimal driver to bring up the PCIe bus on Apple system-on-chips,
particularly the Apple M1. This driver exposes the internal bus used for
the USB type-A ports, Ethernet, Wi-Fi, and Bluetooth. Bringing up the
radios requires additional drivers beyond what's necessary for PCIe itself.
Co-developed-by: NStan Skowronek <stan@corellium.com>
Link: https://lore.kernel.org/r/20210929163847.2807812-5-maz@kernel.orgSigned-off-by: NStan Skowronek <stan@corellium.com>
Signed-off-by: NAlyssa Rosenzweig <alyssa@rosenzweig.io>
Signed-off-by: NMarc Zyngier <maz@kernel.org>
Signed-off-by: NLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: NBjorn Helgaas <bhelgaas@google.com>
Reviewed-by: NRob Herring <robh@kernel.org>
Reviewed-by: NSven Peter <sven@svenpeter.dev>