Re: [PATCH 1/2] dt-bindings: phy: Add Freescale i.MX8qm Mixel LVDS PHY binding

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On Mon, 2022-06-20 at 09:35 +0200, Krzysztof Kozlowski wrote:
> On 20/06/2022 05:06, Liu Ying wrote:
> > On Sun, 2022-06-19 at 14:11 +0200, Krzysztof Kozlowski wrote:
> > > On 18/06/2022 11:22, Liu Ying wrote:
> > > > This patch adds bindings for Mixel LVDS PHY found on
> > > > Freescale i.MX8qm SoC.
> > > > 
> > > > Signed-off-by: Liu Ying <victor.liu@xxxxxxx>
> > > > ---
> > > >  .../bindings/phy/mixel,lvds-phy.yaml          | 64
> > > > +++++++++++++++++++
> > > >  1 file changed, 64 insertions(+)
> > > >  create mode 100644
> > > > Documentation/devicetree/bindings/phy/mixel,lvds-phy.yaml
> > > > diff --git a/Documentation/devicetree/bindings/phy/mixel,lvds-
> > > > phy.yaml b/Documentation/devicetree/bindings/phy/mixel,lvds-
> > > > phy.yaml
> > > > new file mode 100644
> > > > index 000000000000..de964ffb9356
> > > > --- /dev/null
> > > > +++ b/Documentation/devicetree/bindings/phy/mixel,lvds-phy.yaml
> > > > @@ -0,0 +1,64 @@
> > > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > > > +%YAML 1.2
> > > > +---
> > > > +$id: 
> > > > 
https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fdevicetree.org%2Fschemas%2Fphy%2Fmixel%2Clvds-phy.yaml%23&amp;data=05%7C01%7Cvictor.liu%40nxp.com%7Cc7d6216ac12148ec95d008da528f78eb%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C637913073407696040%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&amp;sdata=m588CiXOaJhWFbpEal3MjZaHtvOTUOVIujydIdPxSHg%3D&amp;reserved=0
> > > > +$schema: 
> > > > 
https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fdevicetree.org%2Fmeta-schemas%2Fcore.yaml%23&amp;data=05%7C01%7Cvictor.liu%40nxp.com%7Cc7d6216ac12148ec95d008da528f78eb%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C637913073407696040%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&amp;sdata=IGn5f05QrzyX05k%2FKgTitdq6OYN2FmdpsO6qHXun55Y%3D&amp;reserved=0
> > > > +
> > > > +title: Mixel LVDS PHY for Freescale i.MX8qm SoC
> > > 
> > > If Mixel is a vendor, it needs it's vendor prefix documented and
> > > used
> > > in
> > > compatible. Filename should match compatible. If it is not a
> > > vendor,
> > > then filename should be "fsl,imx8qm-lvds-phy.yaml"
> > 
> > Mixel is a vendor. I'll document the vendor prefix and set
> > 'fsl,imx8qm-lvds-phy' and 'mixel,lvds-phy' as compatible's enum.
> > I'll keep the filename as-is.
> 
> mixel,lvds-phy is not a good compatible (and filename) because it is
> not
> specific about component version. Please use specific compatibles
> only
> thus also specific filename (filename should match first compatible).

All the information about component version I can find in the PHY IP's
data sheet is '28FDSOI-LVDS-1250-8CH-TX-PLL'. '28FDSOI' looks like the
technology name. Do you think the compatible name can be
'mixel,lvds-1250-8ch-tx-pll'? Or, any better option?

If the compatible name is ok, does the below compabitle property look
ok?

===================8<==============
  compatible:
    enum:
      - mixel,lvds-1250-8ch-tx-pll
      - fsl,imx8qm-lvds-phy
===================8<==============

I'll change the filename accordingly.

Thanks,
Liu Ying





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