Re: [PATCH 5/6] arm64: dts: qcom: lemans: Add support for TSCSS node

[Imran Shaik]

On 27-07-2026 08:14 pm, Konrad Dybcio wrote:
> On 7/27/26 4:11 PM, Imran Shaik wrote:
> > Add Timestamp Counter Subsystem (TSCSS) node support on Qualcomm Lemans
> > SoCs.
> >
> > Signed-off-by: Imran Shaik <imran.shaik@xxxxxxxxxxxxxxxx>
> > ---
> >   arch/arm64/boot/dts/qcom/lemans.dtsi | 11 +++++++++++
> >   1 file changed, 11 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/lemans.dtsi b/arch/arm64/boot/dts/qcom/lemans.dtsi
> > index 3b0539e27b5192582e0bc9ea248f1c0382e05030..e225292a1e41a5a313aca188ca04bb12474995e8 100644
> > --- a/arch/arm64/boot/dts/qcom/lemans.dtsi
> > +++ b/arch/arm64/boot/dts/qcom/lemans.dtsi
> > @@ -3023,6 +3023,17 @@ pcie1_phy: phy@1c14000 {
> >   			status = "disabled";
> >   		};
> >   
> > +		tscss@1c80000 {
> > +			compatible = "qcom,lemans-tscss";
> > +			reg = <0x0 0x01c80000 0x0 0x2000>;
> > +			reg-names = "tsc";
> > +			clocks = <&gcc GCC_TSCSS_AHB_CLK>,
> > +				 <&gcc GCC_TSCSS_GLOBAL_CNTR_CLK>;
> > +			clock-names = "ahb", "cntr";
> > +			assigned-clocks = <&gcc GCC_TSCSS_GLOBAL_CNTR_CLK>;
> > +			assigned-clock-rates = <15625000>;
>
> I'm guessing this will only ever require a single rate - do we
> need power-domains pointing to one of the RPMHPDs and a
> required-opps reference to match?

The power-domains/required-opps are not really required here, as this
clock's rate is at the lowest corner on the CX rail, which is always
kept ON.

Thanks,
Imran