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

From: Konrad Dybcio

Date: Mon Jul 27 2026 - 11:12:40 EST


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?

Konrad