[PATCH 2/4] dt-bindings: display: Add ABT Y030XX067A panel bindings

Paul Cercueil paul at crapouillou.net
Mon Nov 30 21:48:58 UTC 2020



Le lun. 30 nov. 2020 à 13:18, Rob Herring <robh+dt at kernel.org> a 
écrit :
> On Mon, Nov 30, 2020 at 12:39 PM Paul Cercueil <paul at crapouillou.net> 
> wrote:
>> 
>>  Hi Rob,
>> 
>>  Le lun. 30 nov. 2020 à 7:32, Rob Herring <robh+dt at kernel.org> a 
>> écrit
>>  :
>>  > On Mon, Nov 2, 2020 at 3:19 AM Paul Cercueil 
>> <paul at crapouillou.net>
>>  > wrote:
>>  >>
>>  >>
>>  >>
>>  >>  Le dim. 1 nov. 2020 à 13:29, Sam Ravnborg <sam at ravnborg.org> a
>>  >> écrit :
>>  >>  > On Sun, Nov 01, 2020 at 09:31:48AM +0000, Paul Cercueil wrote:
>>  >>  >>  The Asia Better Technology (ABT) Y030XX067A panel is a 3.0"
>>  >> 320x480
>>  >>  >>  24-bit IPS LCD panel. Its particularity is that it has
>>  >> non-square
>>  >>  >> pixels
>>  >>  >>  (as it is 4:3 for a resolution of 320x480), and that it
>>  >> requires odd
>>  >>  >>  lines to be sent as RGB and even lines to be sent as GRB on 
>> its
>>  >>  >> 8-bit
>>  >>  >>  bus.
>>  >>  >>
>>  >>  >>  Signed-off-by: Paul Cercueil <paul at crapouillou.net>
>>  >>  >>  ---
>>  >>  >>   .../display/panel/abt,y030xx067a.yaml         | 54
>>  >>  >> +++++++++++++++++++
>>  >>  >>   1 file changed, 54 insertions(+)
>>  >>  >>   create mode 100644
>>  >>  >>
>>  >> 
>> Documentation/devicetree/bindings/display/panel/abt,y030xx067a.yaml
>>  >>  >>
>>  >>  >>  diff --git
>>  >>  >>
>>  >> 
>> a/Documentation/devicetree/bindings/display/panel/abt,y030xx067a.yaml
>>  >>  >>
>>  >> 
>> b/Documentation/devicetree/bindings/display/panel/abt,y030xx067a.yaml
>>  >>  >>  new file mode 100644
>>  >>  >>  index 000000000000..6407e8bf45fa
>>  >>  >>  --- /dev/null
>>  >>  >>  +++
>>  >>  >>
>>  >> 
>> b/Documentation/devicetree/bindings/display/panel/abt,y030xx067a.yaml
>>  >>  >>  @@ -0,0 +1,54 @@
>>  >>  >>  +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
>>  >>  >>  +%YAML 1.2
>>  >>  >>  +---
>>  >>  >>  +$id:
>>  >>  >> 
>> http://devicetree.org/schemas/display/panel/abt,y030xx067a.yaml#
>>  >>  >>  +$schema: http://devicetree.org/meta-schemas/core.yaml#
>>  >>  >>  +
>>  >>  >>  +title: Asia Better Technology 3.0" (320x480 pixels) 24-bit 
>> IPS
>>  >> LCD
>>  >>  >> panel
>>  >>  >>  +
>>  >>  >>  +description: |
>>  >>  >>  +  The panel must obey the rules for a SPI slave device as
>>  >>  >> specified in
>>  >>  >>  +  spi/spi-controller.yaml
>>  >>  >>  +
>>  >>  >>  +maintainers:
>>  >>  >>  +  - Paul Cercueil <paul at crapouillou.net>
>>  >>  >>  +
>>  >>  >>  +allOf:
>>  >>  >>  +  - $ref: panel-common.yaml#
>>  >>  >>  +
>>  >>  >>  +properties:
>>  >>  >>  +  compatible:
>>  >>  >>  +    const: abt,y030xx067a
>>  >>  >>  +
>>  >>  >>  +  backlight: true
>>  >>  >>  +  port: true
>>  >>  >>  +  power-supply: true
>>  >>  >>  +  reg: true
>>  >>  >>  +  reset-gpios: true
>>  >>  >
>>  >>  > The binding is missing:
>>  >>  > required:
>>  >>  >   - compatible
>>  >>  >   - reg
>>  >>  >   - power-supply
>>  >>  >   - reset-gpios
>>  >>  >   - ...
>>  >>  >
>>  >>  > additionalProperties: false
>>  >>  >
>>  >>  > So r-b only with these added.
>>  >>
>>  >>  Stupid mistake, sorry about that.
>>  >>
>>  >>  I'll V2.
>>  >
>>  > I don't have any V2 in my inbox, but looks like it is in 
>> linux-next
>>  > now:
>> 
>>  Yes, Sam told me on IRC I could fix it while applying and avoid the 
>> V2.
>> 
>>  > 
>> /builds/robherring/linux-dt-bindings/Documentation/devicetree/bindings/display/panel/abt,y030xx067a.example.dt.yaml:
>>  > panel at 0: 'spi-max-frequency' does not match any of the regexes:
>>  > 'pinctrl-[0-9]+'
>>  >  From schema:
>>  > 
>> /builds/robherring/linux-dt-bindings/Documentation/devicetree/bindings/display/panel/abt,y030xx067a.yaml
>> 
>>  "make dt_binding_check
>>  
>> DT_SCHEMA_FILES=Documentation/devicetree/bindings/display/panel/abt,y030xx067a.yaml"
>>  doesn't complain here :(
> 
> Even if you do 'touch
> Documentation/devicetree/bindings/display/panel/abt,y030xx067a.yaml'
> or do a clean build?
> 
> I can't think of any kernel or dt-schema changes which would explain
> the difference. This is purely related to 'additionalProperties:
> false'.

Ok, I see it now.
Should I use 'unevaluatedProperties: false' instead?

-Paul




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