Re: [PATCH v5 2/3] dt-bindings: display: Fix brcm,bcm2835-hvs bindings for BCM2712

From: Krzysztof Kozlowski
Date: Sun Dec 22 2024 - 03:39:41 EST


On 20/12/2024 19:11, Dave Stevenson wrote:
> Commit 6cfcbe548a3a ("dt-bindings: display: Add BCM2712 HVS bindings")
> added the compatible string for BCM2712, but missed out that
> the number of interrupts and clocks changed too.
>
> The driver commit adding support for BCM2712 [1] also requires that

The driver commit foo ("bar") ... BCM2712 also requires...



> both interrupts and clocks are named, so the relevant -names
> properties are also added to "required" for BCM2712.
>
> Update to validate clock, interrupts, and their names for the BCM2712
> variant. (There should be no change in the binding requirements for
> the other variants).
>
> [1] Commit 7687a12153d3 ("drm/vc4: hvs: Add support for BCM2712 HVS")

And drop this.

>
> Fixes: 6cfcbe548a3a ("dt-bindings: display: Add BCM2712 HVS bindings")
> Signed-off-by: Dave Stevenson <dave.stevenson@xxxxxxxxxxxxxxx>
> ---
> .../bindings/display/brcm,bcm2835-hvs.yaml | 88 ++++++++++++++++++----
> 1 file changed, 74 insertions(+), 14 deletions(-)
>


...

> + properties:
> + compatible:
> + contains:
> + const: brcm,bcm2711-hvs
> +
> + then:
> + properties:
> + clocks:
> + items:
> + - description: Core Clock
> + interrupts:
> + maxItems: 1
> + clock-names: false
> + interrupt-names: false
> +
> + required:
> + - clocks
> +
> + - if:
> + properties:
> + compatible:
> + contains:
> + const: brcm,bcm2712-hvs
> +
> + then:
> + properties:
> + clocks:
> + minItems: 2
> + maxItems: 2
> + clock-names:
> + items:
> + - const: core
> + - const: disp
> + interrupts:
> + items:
> + - description: Channel 0 End of frame
> + - description: Channel 1 End of frame
> + - description: Channel 2 End of frame
> + interrupt-names:
> + items:
> + - const: ch0-eof
> + - const: ch1-eof
> + - const: ch2-eof
> + required:
> + - clocks
> + - clock-names
> + - interrupt-names
> +
> + - if:
> + properties:
> + compatible:
> + contains:
> + const: brcm,bcm2835-hvs
> +
> + then:
> + properties:

What about clocks here? Why isn't this a part of block with bcm2711 (as
enum)?

> + interrupts:
> + maxItems: 1
> + clock-names: false
> + interrupt-names: false
>
> examples:
> - |
>


Best regards,
Krzysztof