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Mon, 31 Aug 2026 23:41:11 -0700 (PDT) X-Received: by 2002:a17:90b:3c8c:b0:38f:efed:5448 with SMTP id 98e67ed59e1d1-396d0e7255bmr47808744a91.8.1788244871184; Mon, 31 Aug 2026 23:41:11 -0700 (PDT) Received: from [10.217.216.70] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3990d499811sm4566091a91.10.2026.08.31.23.41.05 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 31 Aug 2026 23:41:10 -0700 (PDT) Message-ID: <9d1c5451-f665-40d1-866d-51a53fba27f6@oss.qualcomm.com> Date: Tue, 1 Sep 2026 12:11:04 +0530 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 5/6] arm64: dts: qcom: lemans: Add support for TSCSS node To: Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Richard Cochran , Andrew Lunn , "David S. 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> Content-Language: en-US From: Imran Shaik In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=b9qCJNGx c=1 sm=1 tr=0 ts=6a967388 cx=c_pps a=RP+M6JBNLl+fLTcSJhASfg==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=EUspDBNiAAAA:8 a=_qMGny95FC9WgreSDIcA:9 a=QEXdDO2ut3YA:10 a=iS9zxrgQBfv6-_F4QbHw:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTAxMDA1OCBTYWx0ZWRfX4dDxJ2aNhKes FVKFr0jmsdTswUWu5MOxhNh91VKbBXaoK0+O1iyeBX9pPMy7phOC3COOKvNCunur95UnyNBBu9U HGQEhfFXGiRN1b1a19jBmy3SE4Q5ZNSiNPf+pFHX8SwtehFOJMGfHZmaDBCVxnD5bwhJ1mgOI0/ B6AeUTdXxoavoLb/bBIrVMAko521NGYI6lkqBdSA9StEfX5ZQI+8S5nxUogx/9rcD5r+LaC02Cx PaKgvkfupnfrhfLb7Se+eNxuDJORBOs58Qni512nGSIlgmi8E83DZiiWZDUf6ivH9OLHXw2LXBD dO5AFovuuWbsMe93A/37mpkueZDln32vvGmf7atNWaRQH+1DfSt0CyPJ2UT6/apRN809DyNyI5J oipoMHEFcC+iLJddN3cGwv7cFI6LcHc/oCmAZT25z9VXrpcSWJYQeiVSMnJUJi029PKJ6ic0jTW wsNaIxlLKm7HGNXeq4w== X-Proofpoint-GUID: bBBU9cdENNfo7IRpcpITyEnIo_S_FCwk X-Proofpoint-Spam-Info: AW1haW4tMjYwOTAxMDA1OCBTYWx0ZWRfX0AntxG786HyX zIeXqXbjOE1veFfLO2qanli/nOmrv1S1ygjuK1XR0IQDtYMj2128+2VzlYmZAqrsDU59HzlaDkG ENnkJTtq++w7ZMJoGj9MiSstB6SW8qU= X-Proofpoint-ORIG-GUID: bBBU9cdENNfo7IRpcpITyEnIo_S_FCwk 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=2026-09-01_01,2026-08-31_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 bulkscore=0 phishscore=0 clxscore=1015 impostorscore=0 spamscore=0 priorityscore=1501 adultscore=0 suspectscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2609010058 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. Thanks, Imran