[PATCH v1] clk: samsung: exynos5420: Add support for power control registers

[Krzysztof Kozlowski]

On 09/09/2025 20:06, Anand Moon wrote:
> As per the Exynos5422 user manual, settings for the PWR_CTRL, PWR_CTRL2,
> PWR_CTRL_KFC, and PWR_CNTL_KFC registers manage ARM clock down and up
> configurations for idle and standby states.
> 
> The Exynos5422's dynamic clock frequency down feature enables automatic
> clock down when all CPU cores are in Wait For Event (WFE) or
> Wait For Interrupt (WFI) states, utilizing this feature in standby
> configurations.
> 
> These modifications enhance the power management capabilities of the
> Exynos542x by providing finer control over the ARM clock behavior in
> various states.

This seems reasonable, but I need more detailed tests and Tested-by.

Best regards,
Krzysztof