[PATCH 2/3] dt-bindings: rockchip: Add DesignWare based PCIe controller

[Heiko Stübner]

Am Mittwoch, 20. Januar 2021, 15:16:25 CET schrieb Rob Herring:
> On Tue, Jan 19, 2021 at 12:40 PM Robin Murphy <robin.murphy at arm.com> wrote:
> >
> > On 2021-01-19 15:11, Johan Jonker wrote:
> > > Hi Simon, Heiko,
> > >
> > > On 1/19/21 2:14 PM, Heiko Stübner wrote:
> > >> Hi Johan,
> > >>
> > >> Am Dienstag, 19. Januar 2021, 14:07:41 CET schrieb Johan Jonker:
> > >>> Hi Simon,
> > >>>
> > >>> Thank you for this patch for rk3568 pcie.
> > >>>
> > >>> Include the Rockchip device tree maintainer and all other people/lists
> > >>> to the CC list.
> > >>>
> > >>> ./scripts/checkpatch.pl --strict <patch1> <patch2>
> > >>>
> > >>>   ./scripts/get_maintainer.pl --noroles --norolestats --nogit-fallback
> > >>> --nogit <patch1> <patch2>
> > >>>
> > >>> git send-email --suppress-cc all --dry-run --annotate --to
> > >>> heiko at sntech.de --cc <..> <patch1> <patch2>
> > >>>
> > >>> This SoC has no support in mainline linux kernel yet.
> > >>> In all the following yaml documents for rk3568 we need headers with
> > >>> defines for clocks and power domains, etc.
> > >>>
> > >>> For example:
> > >>> #include <dt-bindings/clock/rk3568-cru.h>
> > >>> #include <dt-bindings/power/rk3568-power.h>
> > >>>
> > >>> Could Rockchip submit first clocks and power drivers entries and a basic
> > >>> rk3568.dtsi + evb dts?
> > >>> Include a patch to this serie with 3 pcie nodes added to rk3568.dtsi.
> > >>>
> > >>> A dtbs_check only works with a complete dtsi and evb dts.
> > >>>
> > >>> make ARCH=arm64 dtbs_check
> > >>> DT_SCHEMA_FILES=Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml
> > >>>
> > >>> On 1/18/21 10:17 AM, Simon Xue wrote:
> > >>>> Signed-off-by: Simon Xue <xxm at rock-chips.com>
> > >>>> ---
> > >>>>   .../bindings/pci/rockchip-dw-pcie.yaml        | 101 ++++++++++++++++++
> > >>>>   1 file changed, 101 insertions(+)
> > >>>>   create mode 100644 Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml
> > >>>>
> > >>>> diff --git a/Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml b/Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml
> > >>>> new file mode 100644
> > >>>> index 000000000000..fa664cfffb29
> > >>>> --- /dev/null
> > >>>> +++ b/Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml
> > >>>> @@ -0,0 +1,101 @@
> > >>>> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> > >>>> +%YAML 1.2
> > >>>> +---
> > >>>> +$id: http://devicetree.org/schemas/pci/rockchip-dw-pcie.yaml#
> > >>>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > >>>> +
> > >>>> +title: DesignWare based PCIe RC controller on Rockchip SoCs
> > >>>> +
> > >>>
> > >>>> +maintainers:
> > >>>> +  - Shawn Lin <shawn.lin at rock-chips.com>
> > >>>> +  - Simon Xue <xxm at rock-chips.com>
> > >>>
> > >>> maintainers:
> > >>>    - Heiko Stuebner <heiko at sntech.de>
> > >>>
> > >>> Add only people with maintainer rights.
> > >>
> > >> I'd disagree on this ;-)
> > >
> > > All roads leads to Heiko... ;)
> > >
> > > It takes long term commitment.
> > > Year in, year out.
> > > Keeping yourself up to date with the latest pcei development.
> > > Communicate in English.
> > > Be able to submit patches without errors... ;)
> > > Review other peoples patches.
> > > Respond in short time.
> > > Bug fixing.
> >
> > Crikey, it's only a DT binding... :/
> >
> > > If that's what you really want, then you must include a patch to this
> > > serie for MAINTAINERS.
> >
> > I think if Bjorn and Lorenzo want a specifically named sub-maintainer
> > for the driver itself, we can let them say so rather than presume.
> 
> For the binding it's my call. :)
> 
> This should be someone who cares and knows the h/w. IOW, if I want to
> delete the binding, someone who will object.
>
> Of course, I'd like that someone to have all the above qualities too.

I guess that would be separate entites then ...

Shawn and Simon know the hardware way better, though I'm not sure if their
work commitments will allow them to keep track of binding deletions

So maybe all 3 of us ;-)

Heiko