Re: [PATCH v5 09/21] dt-bindings: clock: thead: Add GPU clkgen reset property

Krzysztof Kozlowski
2025-02-21T09:11:40Z

On Wed, Feb 19, 2025 at 03:02:27PM +0100, Michal Wilczynski wrote:
> Add a mandatory reset property for the TH1520 VO clock controller that
> handles the GPU clocks. This reset line controls the GPU CLKGEN reset,
> which is required for proper GPU clock operation.
>
> The reset property is only required for the "thead,th1520-clk-vo"
> compatible, as it specifically handles the GPU-related clocks.
>
> Signed-off-by: Michal Wilczynski <m.wilczynski@samsung.com>
> ---
> .../bindings/clock/thead,th1520-clk-ap.yaml | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/clock/thead,th1520-clk-ap.yaml b/Documentation/devicetree/bindings/clock/thead,th1520-clk-ap.yaml
> index 9d058c00ab3d..6ea8202718d0 100644
> --- a/Documentation/devicetree/bindings/clock/thead,th1520-clk-ap.yaml
> +++ b/Documentation/devicetree/bindings/clock/thead,th1520-clk-ap.yaml
> @@ -40,6 +40,12 @@ properties:
> (integer PLL) typically running at 792 MHz (FOUTPOSTDIV), with
> a maximum FOUTVCO of 2376 MHz.
>
> + resets:
> + maxItems: 1
> + description:
> + Required for "thead,th1520-clk-vo". This reset line controls the

You just added the compatible in other patch, so are you saying you
added knowingly incomplete code?

No, this must be squashed.

> + GPU CLKGEN reset which is required for proper GPU clock operation.
> +
> "#clock-cells":
> const: 1
> description:
> @@ -51,6 +57,16 @@ required:
> - clocks
> - "#clock-cells"
>
> +allOf:
> + - if:
> + properties:
> + compatible:
> + contains:
> + const: thead,th1520-clk-vo
> + then:
> + required:
> + - resets

else:
? What's there? Also reset or no?

Best regards,
Krzysztof