[PATCH v6 01/10] dt-bindings: cpufreq: mediatek: Add MediaTek CCI property

Rob Herring robh at kernel.org
Wed May 11 07:37:53 PDT 2022


On Thu, 05 May 2022 19:52:17 +0800, Rex-BC Chen wrote:
> MediaTek Cache Coherent Interconnect (CCI) uses software devfreq module
> for scaling clock frequency and adjust voltage.
> The phandle could be linked between CPU and MediaTek CCI for some
> MediaTek SoCs, like MT8183 and MT8186.
> 
> The reason we need the link status between cpufreq and MediaTek cci is
> cpufreq and mediatek cci could share the same regulator in some MediaTek
> SoCs. Therefore, to prevent the issue of high frequency and low voltage,
> we need to use this to make sure mediatek cci is ready.
> 
> Signed-off-by: Rex-BC Chen <rex-bc.chen at mediatek.com>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
> ---
>  .../devicetree/bindings/cpufreq/cpufreq-mediatek.txt       | 7 +++++++
>  1 file changed, 7 insertions(+)
> 

Acked-by: Rob Herring <robh at kernel.org>



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