Re: [PATCH v3 2/3] dt-bindings: pwm: adi,axi-pwmgen: fix clocks

[Krzysztof Kozlowski]

On Thu, May 29, 2025 at 11:53:19AM GMT, David Lechner wrote:
> Fix a shortcoming in the bindings that doesn't allow for a separate
> external clock.
> 
> The AXI PWMGEN IP block has a compile option ASYNC_CLK_EN that allows
> the use of an external clock for the PWM output separate from the AXI
> clock that runs the peripheral.
> 
> This was missed in the original bindings and so users were writing dts
> files where the one and only clock specified would be the external
> clock, if there was one, incorrectly missing the separate AXI clock.
> 
> The correct bindings are that the AXI clock is always required and the
> external clock is optional (must be given only when HDL compile option
> ASYNC_CLK_EN=1).
> 
> Cc: stable@xxxxxxxxxxxxxxx
> Fixes: 1edf2c2a2841 ("dt-bindings: pwm: Add AXI PWM generator")
> Signed-off-by: David Lechner <dlechner@xxxxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/pwm/adi,axi-pwmgen.yaml | 13 +++++++++++--
>  1 file changed, 11 insertions(+), 2 deletions(-)

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>

Best regards,
Krzysztof