linux-kernel - Re: [PATCH v2 2/3] dt-bindings: phy: Add Freescale i.MX8qm Mixel LVDS PHY binding

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Message-ID: <3a632d2f314b525a54045ce2395ebfa09edc3e71.camel@nxp.com>
Date:   Mon, 20 Jun 2022 20:10:06 +0800
From:   Liu Ying <victor.liu@....com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        linux-phy@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     kishon@...com, vkoul@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, shawnguo@...nel.org,
        s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com,
        linux-imx@....com
Subject: Re: [PATCH v2 2/3] dt-bindings: phy: Add Freescale i.MX8qm Mixel
 LVDS PHY binding

On Mon, 2022-06-20 at 12:32 +0200, Krzysztof Kozlowski wrote:
> On 20/06/2022 05:45, Liu Ying wrote:
> > Add bindings for Mixel LVDS PHY found on Freescale i.MX8qm SoC.
> > 
> > Signed-off-by: Liu Ying <victor.liu@....com>
> > ---
> > v1->v2:
> > * Set fsl,imx8qm-lvds-phy' and 'mixel,lvds-phy' as compatible's
> > enum. (Krzysztof)
> > * Skip 'clock-names' property. (Krzysztof)
> > * Drop 'This patch' from commit message. (Krzysztof)
> > 
> >  .../bindings/phy/mixel,lvds-phy.yaml          | 61
> > +++++++++++++++++++
> >  1 file changed, 61 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..4bfcc0dd987f
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/phy/mixel,lvds-phy.yaml
> 
> Name the file fsl,imx8qm-lvds-phy.yaml

Will do.

> 
> > @@ -0,0 +1,61 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: 
> > https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fdevicetree.org%2Fschemas%2Fphy%2Fmixel%2Clvds-phy.yaml%23&amp;data=05%7C01%7Cvictor.liu%40nxp.com%7C8141f62511ab4e19e50708da52a835dc%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C637913179660099686%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&amp;sdata=467HslkQFKI%2FQxOyEpP2io%2BMeogqOTeArcq%2B2hS8W6Q%3D&amp;reserved=0
> > +$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%7C8141f62511ab4e19e50708da52a835dc%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C637913179660099686%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&amp;sdata=v9tffg9QmyP150hLYv%2FLikQJNY%2FW51ViZsUKku2yTMs%3D&amp;reserved=0
> > +
> > +title: Mixel LVDS PHY for Freescale i.MX8qm SoC
> > +
> > +maintainers:
> > +  - Liu Ying <victor.liu@....com>
> > +
> > +description: |
> > +  The Mixel LVDS PHY IP block is found on Freescale i.MX8qm SoC.
> > +  It converts two groups of four 7/10 bits of CMOS data into two
> > +  groups of four data lanes of LVDS data streams. A phase-locked
> > +  transmit clock is transmitted in parallel with each group of
> > +  data streams over a fifth LVDS link. Every cycle of the transmit
> > +  clock, 56/80 bits of input data are sampled and transmitted
> > +  through the two groups of LVDS data streams. Together with the
> > +  transmit clocks, the two groups of LVDS data streams form two
> > +  LVDS channels.
> > +
> > +  The Mixel LVDS PHY found on Freescale i.MX8qm SoC is controlled
> > +  by Control and Status Registers(CSR) module in the SoC. The CSR
> > +  module, as a system controller, contains the PHY's registers.
> > +
> > +properties:
> > +  compatible:
> > +    enum:
> > +      - fsl,imx8qm-lvds-phy
> > +      - mixel,lvds-phy
> 
> This is not specific enough compatible.

Will use mixel,28fdsoi-lvds-1250-8ch-tx-pll.

Thanks,
Liu Ying