Re: [PATCH v12 1/6] soc: qcom: ice: Add OPP-based clock scaling support for ICE

[Abel Vesa]

On 26-08-24 01:17:38, Abhinaba Rakshit wrote:
> Register optional operation-points-v2 table for ICE device
> during device probe. Attach the OPP-table with only the ICE
> core clock. Since, dtbinding is on a transition phase to include
> iface clock and clock-names, attaching the opp-table to core clock
> remains optional such that it does not cause probe failures.
> 
> Introduce clock scaling API qcom_ice_scale_clk which scale ICE
> core clock based on the target frequency provided and if a valid
> OPP-table is registered. Use round_ceil passed to decide on the
> rounding of the clock freq against OPP-table. Clock scaling is
> disabled when a valid OPP-table is not registered.
> 
> This ensures when an ICE-device specific OPP table is available,
> use the PM OPP framework to manage frequency scaling and maintain
> proper power-domain constraints.
> 
> Reviewed-by: Harshal Dev <harshal.dev@xxxxxxxxxxxxxxxx>
> Signed-off-by: Abhinaba Rakshit <abhinaba.rakshit@xxxxxxxxxxxxxxxx>

Reviewed-by: Abel Vesa <abel.vesa@xxxxxxxxxxxxxxxx>