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Message-ID: <kjpv6qum4myjipq4opqsynnyycjxjdw3nl4eksp2gtoiryvvq5@2fs7joeenkde>
Date: Thu, 1 May 2025 10:01:20 +0300
From: Ioana Ciornei <ioana.ciornei@....com>
To: "Rob Herring (Arm)" <robh@...nel.org>
Cc: Krzysztof Kozlowski <krzk+dt@...nel.org>, Lee Jones <lee@...nel.org>, 
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org, Shawn Guo <shawnguo@...nel.org>, 
	linux-kernel@...r.kernel.org, Conor Dooley <conor+dt@...nel.org>
Subject: Re: [PATCH 0/6] mfd: simple-mfd-i2c: add QIXIS CPLD support

On Wed, Apr 30, 2025 at 11:15:28PM -0500, Rob Herring (Arm) wrote:
> 
> On Wed, 30 Apr 2025 18:36:28 +0300, Ioana Ciornei wrote:
> > The MDIO mux on the LX2160AQDS, LX2162AQDS and LS1028AQDS boards never
> > worked in mainline. The DT files were submitted initially as-is, and
> > there is a downstream driver for the QIXIS CPLD device:
> > https://github.com/nxp-qoriq/linux/blob/lf-6.12.y/drivers/soc/fsl/qixis_ctrl.c
> > 
> > Since the HW works with the already existing
> > driver/mfd/similar-mfd-i2c.c driver, extend the list of compatible
> > strings to also cover these 3 new boards, instead of trying to upstream
> > a duplicate driver.
> > 
> > This patch set also adapts the DT nodes for each of the affected boards
> > so that we match on the new compatible strings.
> > 
> > The last patch describes the two on-board RGMII PHYs found on the
> > LX2160AQDS boards which make use of the MDIO bus found behind the CPLD
> > driven MDIO mux.
> > 
> > Ioana Ciornei (5):
> >   dt-bindings: mfd: add bindings for QIXIS CPLD
> >   mfd: simple-mfd-i2c: add compatible string for Layerscape QIXIS CPLD
> >   arm64: dts: lx2160a-qds: make the QIXIS CPLD use the simple-mfd-i2c.c
> >     driver
> >   arm64: dts: lx2162a-qds: make the QIXIS CPLD use the simple-mfd-i2c.c
> >     driver
> >   arm64: dts: lx2160a-qds: add the two on-board RGMII PHYs
> > 
> > Vladimir Oltean (1):
> >   arm64: dts: ls1028a-qds: make the QIXIS CPLD use the simple-mfd-i2c.c
> >     driver
> > 
> >  .../bindings/mfd/fsl,qixis-i2c.yaml           | 65 +++++++++++++++++++
> >  .../boot/dts/freescale/fsl-ls1028a-qds.dts    |  9 +--
> >  .../boot/dts/freescale/fsl-lx2160a-qds.dts    | 28 +++++++-
> >  .../boot/dts/freescale/fsl-lx2162a-qds.dts    |  8 ++-
> >  drivers/mfd/simple-mfd-i2c.c                  |  3 +
> >  5 files changed, 103 insertions(+), 10 deletions(-)
> >  create mode 100644 Documentation/devicetree/bindings/mfd/fsl,qixis-i2c.yaml
> > 
> > --
> > 2.25.1
> > 
> > 
> > 
> 
> 
> My bot found new DTB warnings on the .dts files added or changed in this
> series.
> 
> Some warnings may be from an existing SoC .dtsi. Or perhaps the warnings
> are fixed by another series. Ultimately, it is up to the platform
> maintainer whether these warnings are acceptable or not. No need to reply
> unless the platform maintainer has comments.
> 
> If you already ran DT checks and didn't see these error(s), then
> make sure dt-schema is up to date:
> 
>   pip3 install dtschema --upgrade
> 
> 
> This patch series was applied (using b4) to base:
>  Base: attempting to guess base-commit...
>  Base: tags/next-20250429 (exact match)
> 
> If this is not the correct base, please add 'base-commit' tag
> (or use b4 which does this automatically)
> 
> New warnings running 'make CHECK_DTBS=y for arch/arm64/boot/dts/freescale/' for 20250430153634.2971736-1-ioana.ciornei@....com:
> 
> arch/arm64/boot/dts/freescale/fsl-lx2160a-qds.dtb: fpga@66 (fsl,lx2160a-qds-qixis-i2c): 'mux-controller@54' does not match any of the regexes: '^pinctrl-[0-9]+$'
> 	from schema $id: http://devicetree.org/schemas/mfd/fsl,qixis-i2c.yaml
> arch/arm64/boot/dts/freescale/fsl-ls1028a-qds.dtb: fpga@66 (fsl,ls1028a-qds-qixis-i2c): 'mux-controller@54' does not match any of the regexes: '^pinctrl-[0-9]+$'
> 	from schema $id: http://devicetree.org/schemas/mfd/fsl,qixis-i2c.yaml
> arch/arm64/boot/dts/freescale/fsl-lx2162a-qds.dtb: fpga@66 (fsl,lx2162a-qds-qixis-i2c): 'mux-controller@54' does not match any of the regexes: '^pinctrl-[0-9]+$'
> 	from schema $id: http://devicetree.org/schemas/mfd/fsl,qixis-i2c.yaml

Sorry for this, my bad. I only run dt_binding_check and didn't see any
errors because the example was not the correct one.

I will fix this in v2.

Ioana

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