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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Bjorn Andersson , Konrad Dybcio Cc: Ajit Pandey , Taniya Das , Jagadeesh Kona , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org References: <20260727-tscss-v1-0-beed14e72510@oss.qualcomm.com> <20260727-tscss-v1-5-beed14e72510@oss.qualcomm.com> <9d1c5451-f665-40d1-866d-51a53fba27f6@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <9d1c5451-f665-40d1-866d-51a53fba27f6@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: VVEfRnIfxJD0Tq2eBBpApfsTCM2fsSJx X-Proofpoint-ORIG-GUID: VVEfRnIfxJD0Tq2eBBpApfsTCM2fsSJx X-Authority-Analysis: v=2.4 cv=YKuvDxGx c=1 sm=1 tr=0 ts=6a9847b0 cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=EUspDBNiAAAA:8 a=hKkCCEgSrQTGbmuQoJcA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=bTQJ7kPSJx9SKPbeHEYW:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTAyMDE0MSBTYWx0ZWRfX1gUPgBfJEDUg wULmB9NGGaRmItg6PWJdt+1fRH8tWoQRs5C4Y+6WdLA66npG+TpyIxQccSOV2XaefC0DUPKafZH Loxj2hBT8IChP/NgtMQhVl8inOu71uBd4vOIGzxLrYxEF7vmh0cE/OSP/CZsvFNFdT/uy2htMYg IGyz7NA+IpCVlGkbM7LvbkK3WP6ydQENv7hHSyO9wp5Tet3jH55q94AfH+yDYkeJO6Edap2f7iE 6/3EU+1ap6l+Pqo8ijiepXCSIQBtNpUvRoG5KzFw2NlR57FpXF62iNkUh/KfaLCf020mubLlrqG AzGmKV+o7fu/YHGZiM/6hHz0iKAHW1jsWfYuc847Qdz6lTZ7bnBuIPYxWG9zcmvopzVIUjaSMxb KFmFKIZ4uMek25KlywBOiyoa0MfW8LY19iykuHlJhok/xZPRekbwkUFI98q7KzpUCVpzKuB4V0u 7VOZYawzQ0pJvZRouaA== X-Proofpoint-Spam-Info: AW1haW4tMjYwOTAyMDE0MSBTYWx0ZWRfX0LiEyBzwRRPn wbgTaeGM92j1RhC7W/PV8ddF//Bd7EjjAr2Hc4vBWCmetar/pA5IO3I+fJpr3HQioY6OB8irm04 vTSOQFqxRNxtP2NFMHG3elg8cKDZFL4= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-02_04,2026-09-01_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 spamscore=0 adultscore=0 impostorscore=0 malwarescore=0 phishscore=0 clxscore=1011 priorityscore=1501 lowpriorityscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2609020141 On 9/1/26 8:41 AM, Imran Shaik wrote: > > > 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 >>> --- >>>   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. The clock plan calls for SVS_L1, the RPMHPD node also defines SVS, LOW_SVS and MIN_SVS below it Konrad