Re: [PATCH v4 1/2] dt-bindings: clock: fixed-clock: Add nvmem support
From: Krzysztof Kozlowski
Date: Tue Jun 06 2023 - 04:48:55 EST
On 05/06/2023 16:01, Mike Looijmans wrote:
> Add bindings for a fixed-rate clock that retrieves its rate from an
> NVMEM provider. This allows to store clock settings in EEPROM or EFUSE
> or similar device.
>
> Component shortages lead to boards being shipped with different clock
> crystals, based on what was available at the time. The clock frequency
> was written to EEPROM at production time. Systems can adapt to a wide
> range of input frequencies using the clock framework, but this required
> us to patch the devicetree at runtime or use some custom driver. This
> provides a more generic solution.
>
> Signed-off-by: Mike Looijmans <mike.looijmans@xxxxxxxx>
>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Best regards,
Krzysztof