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

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Message-ID: <o3oknl2onntkl2dgzpzsjm6xeunqxrq3j5afo5zb5gdy6xyo2r@4ctlictxhdlv>
Date: Thu, 16 Oct 2025 16:25:50 +0300
From: Ioana Ciornei <ioana.ciornei@....com>
To: Bartosz Golaszewski <brgl@...ev.pl>, 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>
Cc: Michael Walle <mwalle@...nel.org>, devicetree@...r.kernel.org, 
	linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, Frank Li <Frank.Li@....com>
Subject: Re: (subset) [PATCH v6 0/9] drivers: gpio: and the QIXIS FPGA GPIO
 controller

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