Re: [PATCH v7 1/2] dt-bindings: cpufreq: Document support for Airoha EN7581 CPUFreq

[Viresh Kumar]

On 06-12-24, 22:11, Christian Marangi wrote:
> On newer Airoha SoC, CPU Frequency is scaled indirectly with SMC commands
> to ATF.
> 
> A virtual clock is exposed. This virtual clock is a get-only clock and
> is used to expose the current global CPU clock. The frequency info comes
> by the output of the SMC command that reports the clock in MHz.
> 
> The SMC sets the CPU clock by providing an index, this is modelled as
> performance states in a power domain.
> 
> CPUs can't be individually scaled as the CPU frequency is shared across
> all CPUs and is global.
> 
> Signed-off-by: Christian Marangi <ansuelsmth@xxxxxxxxx>
> Reviewed-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
> ---
> Changes v7:
> - Add more info to the description for usage of clock and
>   performance-domain
> - Drop redundant nodes from example

Applied. Thanks.

-- 
viresh