linux-kernel - Re: (subset) [PATCH v6 0/9] drivers: gpio: and the QIXIS FPGA GPIO controller

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Message-ID: <aPEFBXwDUTwJK4us@lizhi-Precision-Tower-5810>
Date: Thu, 16 Oct 2025 10:45:25 -0400
From: Frank Li <Frank.li@....com>
To: Bartosz Golaszewski <brgl@...ev.pl>
Cc: Ioana Ciornei <ioana.ciornei@....com>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Shawn Guo <shawnguo@...nel.org>, Michael Walle <mwalle@...nel.org>,
	devicetree@...r.kernel.org, linux-gpio@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: (subset) [PATCH v6 0/9] drivers: gpio: and the QIXIS FPGA GPIO
 controller

On Thu, Oct 16, 2025 at 03:47:30PM +0200, Bartosz Golaszewski wrote:
> On Thu, Oct 16, 2025 at 3:25 PM Ioana Ciornei <ioana.ciornei@....com> wrote:
> >
> > On Thu, Oct 16, 2025 at 12:05:13PM +0200, Bartosz Golaszewski wrote:
> > > From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> > >
> > >
> > > On Tue, 14 Oct 2025 18:53:49 +0300, Ioana Ciornei wrote:
> > > > This patch set adds support for the GPIO controllers on the QIXIS FPGAs
> > > > found on some Layerscape boards such as LX2160ARDB and LS1046AQDS. At
> > > > the same time it describes the SFP+ cages found on these boards, which
> > > > are the users of those GPIO lines.
> > > >
> > > > Before actually adding the GPIO driver, patches #2 and #3 add and
> > > > describe a new compatible string - fsl,lx2160ardb-fpga - which would be
> > > > used for the QIXIS FPGA found on the LX2160ARDB board. As opposed to the
> > > > other compatible strings found in fsl,fpga-qixis-i2c.yaml, the
> > > > fsl,lx2160ardb-fpga imposes a unit address for its child devices. This
> > > > will be used in the next patches when the gpio controller node will
> > > > define its unit address as the address of its underlying register offset
> > > > inside the FPGA. This requirement is described in the yaml file and it
> > > > only affects the newly added compatible.
> > > >
> > > > [...]
> > >
> > > Applied, thanks!
> > >
> > > [1/9] dt-bindings: gpio: add QIXIS FPGA based GPIO controller
> > >       https://git.kernel.org/brgl/linux/c/d5896130a8781de5ac8970dbb7083ce4cd6fe57a
> > > [4/9] gpio: regmap: add the .fixed_direction_output configuration parameter
> > >       https://git.kernel.org/brgl/linux/c/ae495810cffe29c3c30a757bd48b0bb035fc3098
> > > [5/9] gpio: add QIXIS FPGA GPIO controller
> > >       https://git.kernel.org/brgl/linux/c/e88500247dc3267787abc837848b001c1237f692
> > >
> >
> > Thanks!
> >
> > How are the two remaining dt-binding patches going to be handled?
> >
> > The driver changes for the new fsl,lx2160ardb-fpga compatible were
> > merged but not the associated dt-bindings changes in patch 2/9. And for
> > patch 3/9 there are no associated driver changes.
> >
> > Ioana
>
> I would assume Frank Li will pick them up? Ping me if that doesn't
> happen in the following days, I'll pick them up into the GPIO tree.

I think Shawn Guo can pick it.

Frank

>
> Bart