On Tue, Jun 01, 2021 at 08:32:10AM -0500, Rob Herring wrote:

On Mon, 31 May 2021 00:44:00 +0200, Mark Kettenis wrote:

quoted

From: Mark Kettenis <redacted>

The Apple PCIe host controller is a PCIe host controller with
multiple root ports present in Apple ARM SoC platforms, including
various iPhone and iPad devices and the "Apple Silicon" Macs.

Signed-off-by: Mark Kettenis <redacted>
---
 .../devicetree/bindings/pci/apple,pcie.yaml   | 167 ++++++++++++++++++
 MAINTAINERS                                   |   1 +
 2 files changed, 168 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pci/apple,pcie.yaml

My bot found errors running 'make DT_CHECKER_FLAGS=-m dt_binding_check'
on your patch (DT_CHECKER_FLAGS is new in v5.13):

yamllint warnings/errors:

dtschema/dtc warnings/errors:
Documentation/devicetree/bindings/pci/apple,pcie.example.dts:20:18: fatal error: dt-bindings/pinctrl/apple.h: No such file or directory
   20 |         #include <dt-bindings/pinctrl/apple.h>
      |                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Looking at the example, I don't think you need this header. Looks like 
irq.h is needed though.

Otherwise, LGTM.

Rob