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Mon, 09 Feb 2026 23:03:33 -0800 (PST) Received: from work ([120.60.129.220]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-82441695f7dsm12859924b3a.23.2026.02.09.23.03.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Feb 2026 23:03:33 -0800 (PST) From: Manivannan Sadhasivam To: andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: mani@kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, gaurav.kohli@oss.qualcomm.com, Manivannan Sadhasivam Subject: [PATCH v2] arm64: dts: qcom: x1e80100: Add '#cooling-cells' for CPU nodes Date: Tue, 10 Feb 2026 12:33:21 +0530 Message-ID: <20260210070321.17033-1-manivannan.sadhasivam@oss.qualcomm.com> X-Mailer: git-send-email 2.51.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjEwMDA1NyBTYWx0ZWRfX1YD/Zs81wcYI pIVhOpvlO99EOSyh1Vgswm/zkxrvl0tx8KzGRy+l/2US37QqRkhBGb2ISbWvMpyNih4W6HGCB4e DcpNZU/TAqNSZHfHqjHJMnnfPglEEwvynkysJteKeILsoD1b/ZF/5g4S2MSD25Ixx4iGSwqdm3c xyOvUhCgF7Xxf+4VF0iOu499tggNq2OMwgiqwaoIkK3Hlp5ijkzBtZ3xNbcPNstwv5oKFa/FkGf rD2EJYULG8TC9yRvmyYogfTYP2T473OtECznnS/1+ycmR4LB9ew0bJnhDy4Knvg/FqsFw/QcJSj lz+vA2S389wkgHmnO5gNpvKzw3XLnC9sXrMldKnrWXyDoLG+NQMJ5AzY9qO0c+jJOgGr6BdJmKm RjXYCH9dZ3sKrhh4SJWpGZkuf7GjBLg25+0bkR2Oe/ErccfEY3rTRanMvlxtImdF8WsMVGgMJjQ k0TfdbHhr6OC9HxsNjA== X-Authority-Analysis: v=2.4 cv=KKZXzVFo c=1 sm=1 tr=0 ts=698ad847 cx=c_pps a=Qgeoaf8Lrialg5Z894R3/Q==:117 a=wzz8CQ20vw4U8Sx33GCDJA==:17 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=Mpw57Om8IfrbqaoTuvik:22 a=GgsMoib0sEa3-_RKJdDe:22 a=EUspDBNiAAAA:8 a=DIVSntv8tsQZXXiWbfoA:9 a=x9snwWr2DeNwDh03kgHS:22 X-Proofpoint-ORIG-GUID: yd1sXLi552-0pEP7ABlVSqdbEbpFDtBT X-Proofpoint-GUID: yd1sXLi552-0pEP7ABlVSqdbEbpFDtBT X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-09_01,2026-02-09_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 lowpriorityscore=0 suspectscore=0 impostorscore=0 spamscore=0 adultscore=0 malwarescore=0 priorityscore=1501 phishscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602100057 Content-Type: text/plain; charset="utf-8" Enable passive cooling for CPUs in the X1E80100 SoC by adding the '#cooling-cells' property. This will allow the OS to mitigate the CPU power dissipation with the help of SCMI DVFS. Signed-off-by: Manivannan Sadhasivam Reviewed-by: Konrad Dybcio Tested-by: Gaurav Kohli --- Changes in v2: * Rebased on top of v6.19-rc1 arch/arm64/boot/dts/qcom/hamoa.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/hamoa.dtsi b/arch/arm64/boot/dts/qcom= /hamoa.dtsi index db65c392e618..799e405a9f87 100644 --- a/arch/arm64/boot/dts/qcom/hamoa.dtsi +++ b/arch/arm64/boot/dts/qcom/hamoa.dtsi @@ -75,6 +75,7 @@ cpu0: cpu@0 { next-level-cache =3D <&l2_0>; power-domains =3D <&cpu_pd0>, <&scmi_dvfs 0>; power-domain-names =3D "psci", "perf"; + #cooling-cells =3D <2>; =20 l2_0: l2-cache { compatible =3D "cache"; @@ -91,6 +92,7 @@ cpu1: cpu@100 { next-level-cache =3D <&l2_0>; power-domains =3D <&cpu_pd1>, <&scmi_dvfs 0>; power-domain-names =3D "psci", "perf"; + #cooling-cells =3D <2>; }; =20 cpu2: cpu@200 { @@ -101,6 +103,7 @@ cpu2: cpu@200 { next-level-cache =3D <&l2_0>; power-domains =3D <&cpu_pd2>, <&scmi_dvfs 0>; power-domain-names =3D "psci", "perf"; + #cooling-cells =3D <2>; }; =20 cpu3: cpu@300 { @@ -111,6 +114,7 @@ cpu3: cpu@300 { next-level-cache =3D <&l2_0>; power-domains =3D <&cpu_pd3>, <&scmi_dvfs 0>; power-domain-names =3D "psci", "perf"; + #cooling-cells =3D <2>; }; =20 cpu4: cpu@10000 { @@ -121,6 +125,7 @@ cpu4: cpu@10000 { next-level-cache =3D <&l2_1>; power-domains =3D <&cpu_pd4>, <&scmi_dvfs 1>; power-domain-names =3D "psci", "perf"; + #cooling-cells =3D <2>; =20 l2_1: l2-cache { compatible =3D "cache"; @@ -137,6 +142,7 @@ cpu5: cpu@10100 { next-level-cache =3D <&l2_1>; power-domains =3D <&cpu_pd5>, <&scmi_dvfs 1>; power-domain-names =3D "psci", "perf"; + #cooling-cells =3D <2>; }; =20 cpu6: cpu@10200 { @@ -147,6 +153,7 @@ cpu6: cpu@10200 { next-level-cache =3D <&l2_1>; power-domains =3D <&cpu_pd6>, <&scmi_dvfs 1>; power-domain-names =3D "psci", "perf"; + #cooling-cells =3D <2>; }; =20 cpu7: cpu@10300 { @@ -157,6 +164,7 @@ cpu7: cpu@10300 { next-level-cache =3D <&l2_1>; power-domains =3D <&cpu_pd7>, <&scmi_dvfs 1>; power-domain-names =3D "psci", "perf"; + #cooling-cells =3D <2>; }; =20 cpu8: cpu@20000 { @@ -167,6 +175,7 @@ cpu8: cpu@20000 { next-level-cache =3D <&l2_2>; power-domains =3D <&cpu_pd8>, <&scmi_dvfs 2>; power-domain-names =3D "psci", "perf"; + #cooling-cells =3D <2>; =20 l2_2: l2-cache { compatible =3D "cache"; @@ -183,6 +192,7 @@ cpu9: cpu@20100 { next-level-cache =3D <&l2_2>; power-domains =3D <&cpu_pd9>, <&scmi_dvfs 2>; power-domain-names =3D "psci", "perf"; + #cooling-cells =3D <2>; }; =20 cpu10: cpu@20200 { @@ -193,6 +203,7 @@ cpu10: cpu@20200 { next-level-cache =3D <&l2_2>; power-domains =3D <&cpu_pd10>, <&scmi_dvfs 2>; power-domain-names =3D "psci", "perf"; + #cooling-cells =3D <2>; }; =20 cpu11: cpu@20300 { @@ -203,6 +214,7 @@ cpu11: cpu@20300 { next-level-cache =3D <&l2_2>; power-domains =3D <&cpu_pd11>, <&scmi_dvfs 2>; power-domain-names =3D "psci", "perf"; + #cooling-cells =3D <2>; }; =20 cpu-map { --=20 2.51.0