Re: [PATCH] dt-bindings: display: add missing simple-framebuffer formats

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On Sat, Aug 28, 2021 at 01:02:05PM +0200, Luca Weiss wrote:
> Document all formats currently present in include/linux/platform_data/
> simplefb.h
> 
> Signed-off-by: Luca Weiss <luca@xxxxxxxxx>
> ---
>  .../bindings/display/simple-framebuffer.yaml         | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/display/simple-framebuffer.yaml b/Documentation/devicetree/bindings/display/simple-framebuffer.yaml
> index c2499a7906f5..c1acd2859ae8 100644
> --- a/Documentation/devicetree/bindings/display/simple-framebuffer.yaml
> +++ b/Documentation/devicetree/bindings/display/simple-framebuffer.yaml
> @@ -83,13 +83,25 @@ properties:
>    format:
>      description: >
>        Format of the framebuffer:
> +        * `a1r5g5b5` - 16-bit pixels, d[15]=a, d[14:10]=r, d[9:5]=g, d[4:0]=b
> +        * `a2r10g10b10` - 32-bit pixels, d[31:30]=a, d[29:20]=r, d[19:10]=g, d[9:0]=b

Not a new problem, but are these 32-bit big or little endian words? That 
should be figured out before we add more.

>          * `a8b8g8r8` - 32-bit pixels, d[31:24]=a, d[23:16]=b, d[15:8]=g, d[7:0]=r
> +        * `a8r8g8b8` - 32-bit pixels, d[31:24]=a, d[23:16]=r, d[15:8]=g, d[7:0]=b
>          * `r5g6b5` - 16-bit pixels, d[15:11]=r, d[10:5]=g, d[4:0]=b
> +        * `r5g5b5a1` - 16-bit pixels, d[15:11]=r, d[10:6]=g, d[5:1]=b, d[0]=a
> +        * `r8g8b8` - 24-bit pixels, d[23:16]=r, d[15:8]=g, d[7:0]=b
> +        * `x1r5g5b5` - 16-bit pixels, d[14:10]=r, d[9:5]=g, d[4:0]=b
>          * `x2r10g10b10` - 32-bit pixels, d[29:20]=r, d[19:10]=g, d[9:0]=b
>          * `x8r8g8b8` - 32-bit pixels, d[23:16]=r, d[15:8]=g, d[7:0]=b
>      enum:
> +      - a1r5g5b5
> +      - a2r10g10b10
>        - a8b8g8r8
> +      - a8r8g8b8
>        - r5g6b5
> +      - r5g5b5a1
> +      - r8g8b8
> +      - x1r5g5b5
>        - x2r10g10b10
>        - x8r8g8b8
>  
> -- 
> 2.33.0
> 
> 



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