Re: [PATCH v8 3/4] clk: qcom: rpmh: Add support for SM8550 rpmh clocks

Bjorn Andersson
2023-01-06T16:57:08Z

On Wed, Jan 04, 2023 at 02:45:04PM +0200, Abel Vesa wrote:
> On 23-01-04 12:46:55, Dmitry Baryshkov wrote:
> > On 04/01/2023 11:34, Abel Vesa wrote:
> > > Adds the RPMH clocks present in SM8550 SoC.
> > >
> > > Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
> > > Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
> > > ---
> > > drivers/clk/qcom/clk-rpmh.c | 36 ++++++++++++++++++++++++++++++++++++
> > > 1 file changed, 36 insertions(+)
> >
> > I think the plan was to have the _PAD clock as a child node of the rpmcc. Is
> > it still the planned implementation?
>
> Yes. Here is how the dts rpmhcc node will look like:
>
> rpmhcc: clock-controller {
> compatible = "qcom,sm8550-rpmh-clk";
> #clock-cells = <1>;
> clock-names = "xo";
> clocks = <&xo_board>;
>
> bi_tcxo_div2: bi-tcxo-div2-clk {

Considering that the remainder of the clock exposed (except ipa clock)
by the rpmhcc provider represent clock signals coming out of the pmic;
and that this divider is not located in the aoss (rsc), I don't think
these nodes should live here.

/clocks seems perfectly fine to me.

Regards,
Bjorn

> #clock-cells = <0>;
> compatible = "fixed-factor-clock";
> clocks = <&rpmhcc RPMH_CXO_CLK>;
> clock-mult = <1>;
> clock-div = <2>;
> };
>
> bi_tcxo_ao_div2: bi-tcxo-div2-ao-clk {
> #clock-cells = <0>;
> compatible = "fixed-factor-clock";
> clocks = <&rpmhcc RPMH_CXO_CLK_A>;
> clock-mult = <1>;
> clock-div = <2>;
> };
> };
>
> The clock nodes will be probed on of_clk_init.
>
> >
> > --
> > With best wishes
> > Dmitry
> >