Re: [PATCH v5 0/4] dt-bindings: Convert Cadence PCIe RC/EP to DT Schema

From: Lorenzo Pieralisi
Date: Fri Mar 20 2020 - 05:58:52 EST


On Thu, Mar 05, 2020 at 04:00:13PM +0530, Kishon Vijay Abraham I wrote:
> Cadence PCIe IP is used by multiple SoC vendors (e.g. TI). Cadence
> themselves have a validation platform for validating the PCIe IP which
> is already in the upstream kernel. Right now the binding only exists for
> Cadence platform and this will result in adding redundant binding schema
> for any platform using Cadence PCIe core.
>
> This series:
> 1) Create cdns-pcie.yaml which includes properties that are applicable
> to both host mode and endpoint mode of Cadence PCIe core.
> 2) Create cdns-pcie-host.yaml to include properties that are specific to
> host mode of Cadence PCIe core. cdns-pcie-host.yaml will include
> cdns-pcie.yaml.
> 3) Create cdns-pcie-ep.yaml to include properties that are specific to
> endpoint mode of Cadence PCIe core. cdns-pcie-ep.yaml will include
> cdns-pcie.yaml.
> 4) Remove cdns,cdns-pcie-ep.txt and cdns,cdns-pcie-host.txt which had
> the binding for Cadence "platform" and add cdns,cdns-pcie-host.yaml
> and cdns,cdns-pcie-ep.yaml schema for Cadence Platform. The schema
> for Cadence platform then includes schema for Cadence PCIe core.
>
> Changes from v4:
> *) Deprecate "cdns,max-outbound-regions" only for host mode. For EP mode
> this will be a mandatory property.
>
> Changes from v3:
> *) Add "Reviewed-by: Rob Herring <robh@xxxxxxxxxx>"
> *) Fix typo in SPDX header
>
> Changes from v2:
> *) Created "pci-ep.yaml" for common endpoint controller bindings
> *) Deprecate "cdns,max-outbound-regions" and "cdns,no-bar-match-nbits"
> binding
>
> Changes from v1:
> *) Fix maximum values of num-lanes and cdns,no-bar-match-nbits
> *) Fix example DT node for PCIe Endpoint.
>
> Ref: Patches to convert Cadence driver to library
> https://lkml.org/lkml/2019/11/11/317
>
> Some of this was initially part of [1], but to accelerate it getting
> into upstream, sending this as a separate series.
>
> [1] -> http://lore.kernel.org/r/20200106102058.19183-1-kishon@xxxxxx
>
> Kishon Vijay Abraham I (4):
> dt-bindings: PCI: Add PCI Endpoint Controller Schema
> dt-bindings: PCI: cadence: Add PCIe RC/EP DT schema for Cadence PCIe
> dt-bindings: PCI: Convert PCIe Host/Endpoint in Cadence platform to DT
> schema
> dt-bindings: PCI: cadence: Deprecate inbound/outbound specific
> bindings
>
> .../bindings/pci/cdns,cdns-pcie-ep.txt | 27 -------
> .../bindings/pci/cdns,cdns-pcie-ep.yaml | 49 ++++++++++++
> .../bindings/pci/cdns,cdns-pcie-host.txt | 66 ----------------
> .../bindings/pci/cdns,cdns-pcie-host.yaml | 75 +++++++++++++++++++
> .../devicetree/bindings/pci/cdns-pcie-ep.yaml | 25 +++++++
> .../bindings/pci/cdns-pcie-host.yaml | 37 +++++++++
> .../devicetree/bindings/pci/cdns-pcie.yaml | 23 ++++++
> .../devicetree/bindings/pci/pci-ep.yaml | 41 ++++++++++
> MAINTAINERS | 2 +-
> 9 files changed, 251 insertions(+), 94 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.txt
> create mode 100644 Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.yaml
> delete mode 100644 Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.txt
> create mode 100644 Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.yaml
> create mode 100644 Documentation/devicetree/bindings/pci/cdns-pcie-ep.yaml
> create mode 100644 Documentation/devicetree/bindings/pci/cdns-pcie-host.yaml
> create mode 100644 Documentation/devicetree/bindings/pci/cdns-pcie.yaml
> create mode 100644 Documentation/devicetree/bindings/pci/pci-ep.yaml

Applied first three patches to pci/dt for v5.7.

Thanks,
Lorenzo