Re: [PATCH 2/2] phy: mtk-mipi-csi: add driver for CSI phy

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On Mon, Apr 03, 2023 at 11:51:50AM +0200, Krzysztof Kozlowski wrote:
> On 03/04/2023 09:19, Julien Stephan wrote:
> > From: Phi-bang Nguyen <pnguyen@xxxxxxxxxxxx>
> >
> > This is a new driver that supports the MIPI CSI CD-PHY for mediatek
> > mt8365 soc
> >
> > Signed-off-by: Louis Kuo <louis.kuo@xxxxxxxxxxxx>
> > Signed-off-by: Phi-bang Nguyen <pnguyen@xxxxxxxxxxxx>
> > [Julien Stephan: use regmap]
> > [Julien Stephan: use GENMASK]
> > Co-developed-by: Julien Stephan <jstephan@xxxxxxxxxxxx>
> > Signed-off-by: Julien Stephan <jstephan@xxxxxxxxxxxx>
> > ---
> >  .../bindings/phy/mediatek,csi-phy.yaml        |   9 +-
> >  MAINTAINERS                                   |   1 +
> >  drivers/phy/mediatek/Kconfig                  |   8 +
> >  drivers/phy/mediatek/Makefile                 |   2 +
> >  .../phy/mediatek/phy-mtk-mipi-csi-rx-reg.h    | 435 ++++++++++++++++++
> >  drivers/phy/mediatek/phy-mtk-mipi-csi.c       | 392 ++++++++++++++++
> >  6 files changed, 845 insertions(+), 2 deletions(-)
> >  create mode 100644 drivers/phy/mediatek/phy-mtk-mipi-csi-rx-reg.h
> >  create mode 100644 drivers/phy/mediatek/phy-mtk-mipi-csi.c
> >
> > diff --git a/Documentation/devicetree/bindings/phy/mediatek,csi-phy.yaml b/Documentation/devicetree/bindings/phy/mediatek,csi-phy.yaml
> > index c026e43f35fd..ad4ba1d93a68 100644
> > --- a/Documentation/devicetree/bindings/phy/mediatek,csi-phy.yaml
> > +++ b/Documentation/devicetree/bindings/phy/mediatek,csi-phy.yaml
>
> NAK, bindings are always separate patches. It also does not make any
> sense - you just added it.
>
:( I messed up my rebase -i. This need to be moved and squashed with the
previous patch. I will fix it in v2. Thank you for reporting it

> > @@ -33,9 +33,14 @@ additionalProperties: false
> >
> >  examples:
> >    - |
> > -    phy@10011800 {
> > +    soc {
> > +      #address-cells = <2>;
> > +      #size-cells = <2>;
> > +
> > +      phy@11c10000 {
> >          compatible = "mediatek,mt8365-mipi-csi";
> > -        reg = <0 0x10011800 0 0x60>;
> > +        reg = <0 0x11c10000 0 0x4000>;
> >          #phy-cells = <1>;
> > +      };
> >      };
>
>
>
> k_mipi_dphy_of_match[] = {
> > +	{.compatible = "mediatek,mt8365-mipi-csi"},
> > +	{},
> > +};
> > +MODULE_DEVICE_TABLE(of, mtk_mipi_dphy_of_match);
> > +
> > +static struct platform_driver mipi_dphy_pdrv = {
> > +	.probe = mtk_mipi_dphy_probe,
> > +	.remove = mtk_mipi_dphy_remove,
> > +	.driver	= {
> > +		.name	= "mtk-mipi-csi",
> > +		.of_match_table = of_match_ptr(mtk_mipi_dphy_of_match),
>
> Drop of_match_ptr(). You should see W=1 warnings when compile testing.
>
I do not not see any warnings when trying to compile with W=1. Am I
missing something? I will drop it in v2 anyway

Best
Julien
>
> Best regards,
> Krzysztof
>



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