Re: [PATCH v2 1/3] dt-bindings: i2c: Add required properties
From: Krzysztof Kozlowski
Date: Fri May 16 2025 - 08:54:09 EST
On 16/05/2025 14:43, Akhil R wrote:
> Add required DT properties for Tegra I2C controllers.
Why? Required by whom/what? Some context or any justification is needed
here. Are you breaking the ABI (means: prove that you are not).
Please use subject prefixes matching the subsystem. You can get them for
example with `git log --oneline -- DIRECTORY_OR_FILE` on the directory
your patch is touching. For bindings, the preferred subjects are
explained here:
https://www.kernel.org/doc/html/latest/devicetree/bindings/submitting-patches.html#i-for-patch-submitters
>
> Signed-off-by: Akhil R <akhilrajeev@xxxxxxxxxx>
> ---
> v1->v2:
> * Added all required properties
>
> .../bindings/i2c/nvidia,tegra20-i2c.yaml | 19 +++++++++++++++++++
> 1 file changed, 19 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml b/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml
> index 19aefc022c8b..0717f2304cfc 100644
> --- a/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml
> +++ b/Documentation/devicetree/bindings/i2c/nvidia,tegra20-i2c.yaml
> @@ -118,6 +118,13 @@ properties:
> - const: rx
> - const: tx
>
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - clocks
> + - clock-names
> +
> allOf:
> - $ref: /schemas/i2c/i2c-controller.yaml
> - if:
> @@ -171,6 +178,18 @@ allOf:
> properties:
> power-domains: false
>
> + - if:
> + not:
> + properties:
> + compatible:
> + contains:
> + enum:
> + - nvidia,tegra194-i2c
> + then:
> + required:
Never tested, so quite dissapointing.
Test your patches before sending, not after.
Best regards,
Krzysztof