Re: [PATCH v4 2/5] clk: qcom: regmap: add pipe clk implementation

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On Mon, May 09, 2022 at 12:29:58PM +0200, Johan Hovold wrote:
> On Fri, May 06, 2022 at 04:00:38PM +0300, Dmitry Baryshkov wrote:
> > On 06/05/2022 15:40, Johan Hovold wrote:
> > > On Mon, May 02, 2022 at 02:18:26PM +0300, Dmitry Baryshkov wrote:
> > >> On 02/05/2022 14:10, Manivannan Sadhasivam wrote:
> > > 
> > >>> I don't understand this. How can you make this clock disabled? It just has 4
> > >>> parents, right?
> > >>
> > >> It has 4 parents. It uses just two of them (pipe and tcxo).
> > > 
> > > Really? I did not know that. Which are the other two parents and what
> > > would they be used for?
> > 
> > This is described neither in the downstream tree nor in any sources I 
> > have at possession.
> 
> Yeah, I don't see anything downstream either, but how do you know that
> it has four parents then?
> 

This information is available in Qcom's internal GCC documentation.

Thanks,
Mani

> Johan

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