linux-kernel - Re: [PATCH v3 4/5] dt-bindings: phy: mixel: mipi-dsi-phy: Add Mixel combo PHY support for i.MX8qxp

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Message-ID: <20201213164433.GB28272@bogon.m.sigxcpu.org>
Date:   Sun, 13 Dec 2020 17:44:33 +0100
From:   Guido Günther <guido.gunther@...i.sm>
To:     Liu Ying <victor.liu@....com>
Cc:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org, kishon@...com,
        vkoul@...nel.org, robh+dt@...nel.org, a.hajda@...sung.com,
        narmstrong@...libre.com, Laurent.pinchart@...asonboard.com,
        jonas@...boo.se, jernej.skrabec@...l.net, airlied@...ux.ie,
        daniel@...ll.ch, shawnguo@...nel.org, s.hauer@...gutronix.de,
        kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        robert.chiras@....com, martin.kepplinger@...i.sm
Subject: Re: [PATCH v3 4/5] dt-bindings: phy: mixel: mipi-dsi-phy: Add Mixel
 combo PHY support for i.MX8qxp

Hi,
On Fri, Dec 11, 2020 at 09:46:21AM +0800, Liu Ying wrote:
> Add support for Mixel MIPI DPHY + LVDS PHY combo IP
> as found on Freescale i.MX8qxp SoC.
> 
> Cc: Guido Günther <agx@...xcpu.org>
> Cc: Kishon Vijay Abraham I <kishon@...com>
> Cc: Vinod Koul <vkoul@...nel.org>
> Cc: Rob Herring <robh+dt@...nel.org>
> Cc: NXP Linux Team <linux-imx@....com>
> Signed-off-by: Liu Ying <victor.liu@....com>
> ---
> v2->v3:
> * No change.
> 
> v1->v2:
> * Add the binding for i.MX8qxp Mixel combo PHY based on the converted binding.
>   (Guido)
> 
>  .../bindings/phy/mixel,mipi-dsi-phy.yaml           | 41 ++++++++++++++++++++--
>  1 file changed, 38 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/phy/mixel,mipi-dsi-phy.yaml b/Documentation/devicetree/bindings/phy/mixel,mipi-dsi-phy.yaml
> index c34f2e6..786cfd7 100644
> --- a/Documentation/devicetree/bindings/phy/mixel,mipi-dsi-phy.yaml
> +++ b/Documentation/devicetree/bindings/phy/mixel,mipi-dsi-phy.yaml
> @@ -14,10 +14,14 @@ description: |
>    MIPI-DSI IP from Northwest Logic). It represents the physical layer for the
>    electrical signals for DSI.
>  
> +  The Mixel PHY IP block found on i.MX8qxp is a combo PHY that can work
> +  in either MIPI-DSI PHY mode or LVDS PHY mode.
> +
>  properties:
>    compatible:
>      enum:
>        - fsl,imx8mq-mipi-dphy
> +      - fsl,imx8qxp-mipi-dphy
>  
>    reg:
>      maxItems: 1
> @@ -40,6 +44,11 @@ properties:
>    "#phy-cells":
>      const: 0
>  
> +  fsl,syscon:
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description: |
> +      A phandle which points to Control and Status Registers(CSR) module.
> +
>    power-domains:
>      maxItems: 1
>  
> @@ -48,12 +57,38 @@ required:
>    - reg
>    - clocks
>    - clock-names
> -  - assigned-clocks
> -  - assigned-clock-parents
> -  - assigned-clock-rates
>    - "#phy-cells"
>    - power-domains
>  
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: fsl,imx8mq-mipi-dphy
> +    then:
> +      properties:
> +        fsl,syscon: false
> +
> +      required:
> +        - assigned-clocks
> +        - assigned-clock-parents
> +        - assigned-clock-rates
> +
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: fsl,imx8qxp-mipi-dphy
> +    then:
> +      properties:
> +        assigned-clocks: false
> +        assigned-clock-parents: false
> +        assigned-clock-rates: false
> +
> +      required:
> +        - fsl,syscon
> +
>  additionalProperties: false
>  
>  examples:

Reviewed-by: Guido Günther <agx@...xcpu.org>
Cheers,
 -- Guido

> -- 
> 2.7.4
>