Re: [PATCH v3 1/2] dt-bindings: display: Turn lvds.yaml into a generic schema

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Hi Maxime,

Thank you for the patch.

On Tue, Jan 11, 2022 at 12:06:34PM +0100, Maxime Ripard wrote:
> The lvds.yaml file so far was both defining the generic LVDS properties
> (such as data-mapping) that could be used for any LVDS sink, but also
> the panel-lvds binding.
> 
> That last binding was to describe LVDS panels simple enough, and had a
> number of other bindings using it as a base to specialise it further.
> 
> However, this situation makes it fairly hard to extend and reuse both
> the generic parts, and the panel-lvds itself.
> 
> Let's remove the panel-lvds parts and leave only the generic LVDS
> properties.
> 
> Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
> Signed-off-by: Maxime Ripard <maxime@xxxxxxxxxx>
> 
> ---
> 
> Changes from v2:
>   - Fix references to that file
> 
> Changes from v1:
>   - Moved the schema out of panel
> ---
>  .../bindings/display/bridge/lvds-codec.yaml   |  2 +-
>  .../bindings/display/{panel => }/lvds.yaml    | 31 ++-----------------
>  .../display/panel/advantech,idk-1110wr.yaml   | 19 ++++++++++--
>  .../display/panel/innolux,ee101ia-01d.yaml    | 23 ++++++++++++--
>  .../display/panel/mitsubishi,aa104xd12.yaml   | 19 ++++++++++--
>  .../display/panel/mitsubishi,aa121td01.yaml   | 19 ++++++++++--
>  .../display/panel/sgd,gktw70sdae4se.yaml      | 19 ++++++++++--
>  MAINTAINERS                                   |  2 +-
>  8 files changed, 93 insertions(+), 41 deletions(-)
>  rename Documentation/devicetree/bindings/display/{panel => }/lvds.yaml (86%)
> 
> diff --git a/Documentation/devicetree/bindings/display/bridge/lvds-codec.yaml b/Documentation/devicetree/bindings/display/bridge/lvds-codec.yaml
> index 5079c1cc337b..27b905b81b12 100644
> --- a/Documentation/devicetree/bindings/display/bridge/lvds-codec.yaml
> +++ b/Documentation/devicetree/bindings/display/bridge/lvds-codec.yaml
> @@ -67,7 +67,7 @@ properties:
>                    - vesa-24
>                  description: |
>                    The color signals mapping order. See details in
> -                  Documentation/devicetree/bindings/display/panel/lvds.yaml
> +                  Documentation/devicetree/bindings/display/lvds.yaml
>  
>        port@1:
>          $ref: /schemas/graph.yaml#/properties/port
> diff --git a/Documentation/devicetree/bindings/display/panel/lvds.yaml b/Documentation/devicetree/bindings/display/lvds.yaml
> similarity index 86%
> rename from Documentation/devicetree/bindings/display/panel/lvds.yaml
> rename to Documentation/devicetree/bindings/display/lvds.yaml
> index 49460c9dceea..55751402fb13 100644
> --- a/Documentation/devicetree/bindings/display/panel/lvds.yaml
> +++ b/Documentation/devicetree/bindings/display/lvds.yaml
> @@ -1,10 +1,10 @@
>  # SPDX-License-Identifier: GPL-2.0
>  %YAML 1.2
>  ---
> -$id: http://devicetree.org/schemas/display/panel/lvds.yaml#
> +$id: http://devicetree.org/schemas/display/lvds.yaml#
>  $schema: http://devicetree.org/meta-schemas/core.yaml#
>  
> -title: LVDS Display Panel
> +title: LVDS Display Common Properties
>  
>  maintainers:
>    - Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
> @@ -26,18 +26,7 @@ description: |+

The description mentions "This bindings supports display panels
compatible with the following specifications". This needs a small update
to avoid referring to panels.

With this updated,

Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

>    Device compatible with those specifications have been marketed under the
>    FPD-Link and FlatLink brands.
>  
> -allOf:
> -  - $ref: panel-common.yaml#
> -
>  properties:
> -  compatible:
> -    contains:
> -      const: panel-lvds
> -    description:
> -      Shall contain "panel-lvds" in addition to a mandatory panel-specific
> -      compatible string defined in individual panel bindings. The "panel-lvds"
> -      value shall never be used on its own.
> -
>    data-mapping:
>      enum:
>        - jeida-18
> @@ -96,22 +85,6 @@ properties:
>        If set, reverse the bit order described in the data mappings below on all
>        data lanes, transmitting bits for slots 6 to 0 instead of 0 to 6.
>  
> -  port: true
> -  ports: true
> -
> -required:
> -  - compatible
> -  - data-mapping
> -  - width-mm
> -  - height-mm
> -  - panel-timing
> -
> -oneOf:
> -  - required:
> -      - port
> -  - required:
> -      - ports
> -
>  additionalProperties: true
>  
>  ...
> diff --git a/Documentation/devicetree/bindings/display/panel/advantech,idk-1110wr.yaml b/Documentation/devicetree/bindings/display/panel/advantech,idk-1110wr.yaml
> index 93878c2cd370..3a8c2c11f9bd 100644
> --- a/Documentation/devicetree/bindings/display/panel/advantech,idk-1110wr.yaml
> +++ b/Documentation/devicetree/bindings/display/panel/advantech,idk-1110wr.yaml
> @@ -11,13 +11,23 @@ maintainers:
>    - Thierry Reding <thierry.reding@xxxxxxxxx>
>  
>  allOf:
> -  - $ref: lvds.yaml#
> +  - $ref: panel-common.yaml#
> +  - $ref: /schemas/display/lvds.yaml/#
> +
> +select:
> +  properties:
> +    compatible:
> +      contains:
> +        const: advantech,idk-1110wr
> +
> +  required:
> +    - compatible
>  
>  properties:
>    compatible:
>      items:
>        - const: advantech,idk-1110wr
> -      - {} # panel-lvds, but not listed here to avoid false select
> +      - const: panel-lvds
>  
>    data-mapping:
>      const: jeida-24
> @@ -35,6 +45,11 @@ additionalProperties: false
>  
>  required:
>    - compatible
> +  - data-mapping
> +  - width-mm
> +  - height-mm
> +  - panel-timing
> +  - port
>  
>  examples:
>    - |+
> diff --git a/Documentation/devicetree/bindings/display/panel/innolux,ee101ia-01d.yaml b/Documentation/devicetree/bindings/display/panel/innolux,ee101ia-01d.yaml
> index a69681e724cb..566e11f6bfc0 100644
> --- a/Documentation/devicetree/bindings/display/panel/innolux,ee101ia-01d.yaml
> +++ b/Documentation/devicetree/bindings/display/panel/innolux,ee101ia-01d.yaml
> @@ -11,15 +11,26 @@ maintainers:
>    - Thierry Reding <thierry.reding@xxxxxxxxx>
>  
>  allOf:
> -  - $ref: lvds.yaml#
> +  - $ref: panel-common.yaml#
> +  - $ref: /schemas/display/lvds.yaml/#
> +
> +select:
> +  properties:
> +    compatible:
> +      contains:
> +        const: innolux,ee101ia-01d
> +
> +  required:
> +    - compatible
>  
>  properties:
>    compatible:
>      items:
>        - const: innolux,ee101ia-01d
> -      - {} # panel-lvds, but not listed here to avoid false select
> +      - const: panel-lvds
>  
>    backlight: true
> +  data-mapping: true
>    enable-gpios: true
>    power-supply: true
>    width-mm: true
> @@ -27,5 +38,13 @@ properties:
>    panel-timing: true
>    port: true
>  
> +required:
> +  - compatible
> +  - data-mapping
> +  - width-mm
> +  - height-mm
> +  - panel-timing
> +  - port
> +
>  additionalProperties: false
>  ...
> diff --git a/Documentation/devicetree/bindings/display/panel/mitsubishi,aa104xd12.yaml b/Documentation/devicetree/bindings/display/panel/mitsubishi,aa104xd12.yaml
> index b5e7ee230fa6..5cf3c588f46d 100644
> --- a/Documentation/devicetree/bindings/display/panel/mitsubishi,aa104xd12.yaml
> +++ b/Documentation/devicetree/bindings/display/panel/mitsubishi,aa104xd12.yaml
> @@ -11,13 +11,23 @@ maintainers:
>    - Thierry Reding <thierry.reding@xxxxxxxxx>
>  
>  allOf:
> -  - $ref: lvds.yaml#
> +  - $ref: panel-common.yaml#
> +  - $ref: /schemas/display/lvds.yaml/#
> +
> +select:
> +  properties:
> +    compatible:
> +      contains:
> +        const: mitsubishi,aa104xd12
> +
> +  required:
> +    - compatible
>  
>  properties:
>    compatible:
>      items:
>        - const: mitsubishi,aa104xd12
> -      - {} # panel-lvds, but not listed here to avoid false select
> +      - const: panel-lvds
>  
>    vcc-supply:
>      description: Reference to the regulator powering the panel VCC pins.
> @@ -39,6 +49,11 @@ additionalProperties: false
>  required:
>    - compatible
>    - vcc-supply
> +  - data-mapping
> +  - width-mm
> +  - height-mm
> +  - panel-timing
> +  - port
>  
>  examples:
>    - |+
> diff --git a/Documentation/devicetree/bindings/display/panel/mitsubishi,aa121td01.yaml b/Documentation/devicetree/bindings/display/panel/mitsubishi,aa121td01.yaml
> index 977c50a85b67..54750cc5440d 100644
> --- a/Documentation/devicetree/bindings/display/panel/mitsubishi,aa121td01.yaml
> +++ b/Documentation/devicetree/bindings/display/panel/mitsubishi,aa121td01.yaml
> @@ -11,13 +11,23 @@ maintainers:
>    - Thierry Reding <thierry.reding@xxxxxxxxx>
>  
>  allOf:
> -  - $ref: lvds.yaml#
> +  - $ref: panel-common.yaml#
> +  - $ref: /schemas/display/lvds.yaml/#
> +
> +select:
> +  properties:
> +    compatible:
> +      contains:
> +        const: mitsubishi,aa121td01
> +
> +  required:
> +    - compatible
>  
>  properties:
>    compatible:
>      items:
>        - const: mitsubishi,aa121td01
> -      - {} # panel-lvds, but not listed here to avoid false select
> +      - const: panel-lvds
>  
>    vcc-supply:
>      description: Reference to the regulator powering the panel VCC pins.
> @@ -39,6 +49,11 @@ additionalProperties: false
>  required:
>    - compatible
>    - vcc-supply
> +  - data-mapping
> +  - width-mm
> +  - height-mm
> +  - panel-timing
> +  - port
>  
>  examples:
>    - |+
> diff --git a/Documentation/devicetree/bindings/display/panel/sgd,gktw70sdae4se.yaml b/Documentation/devicetree/bindings/display/panel/sgd,gktw70sdae4se.yaml
> index e63a570ae59d..44e02decdf3a 100644
> --- a/Documentation/devicetree/bindings/display/panel/sgd,gktw70sdae4se.yaml
> +++ b/Documentation/devicetree/bindings/display/panel/sgd,gktw70sdae4se.yaml
> @@ -11,13 +11,23 @@ maintainers:
>    - Thierry Reding <thierry.reding@xxxxxxxxx>
>  
>  allOf:
> -  - $ref: lvds.yaml#
> +  - $ref: panel-common.yaml#
> +  - $ref: /schemas/display/lvds.yaml/#
> +
> +select:
> +  properties:
> +    compatible:
> +      contains:
> +        const: sgd,gktw70sdae4se
> +
> +  required:
> +    - compatible
>  
>  properties:
>    compatible:
>      items:
>        - const: sgd,gktw70sdae4se
> -      - {} # panel-lvds, but not listed here to avoid false select
> +      - const: panel-lvds
>  
>    data-mapping:
>      const: jeida-18
> @@ -35,6 +45,11 @@ additionalProperties: false
>  
>  required:
>    - compatible
> +  - port
> +  - data-mapping
> +  - width-mm
> +  - height-mm
> +  - panel-timing
>  
>  examples:
>    - |+
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 41d2916600e0..368072da0a05 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -6079,7 +6079,7 @@ L:	dri-devel@xxxxxxxxxxxxxxxxxxxxx
>  T:	git git://anongit.freedesktop.org/drm/drm-misc
>  S:	Maintained
>  F:	drivers/gpu/drm/panel/panel-lvds.c
> -F:	Documentation/devicetree/bindings/display/panel/lvds.yaml
> +F:	Documentation/devicetree/bindings/display/lvds.yaml
>  
>  DRM DRIVER FOR MANTIX MLAF057WE51 PANELS
>  M:	Guido Günther <agx@xxxxxxxxxxx>

-- 
Regards,

Laurent Pinchart



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