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R. Silva" , cros-qcom-dts-watchers@chromium.org Cc: linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-hardening@vger.kernel.org, Manaf Meethalavalappu Pallikunhi References: <20260703-qmi-tmd-v4-0-3882189c1f83@oss.qualcomm.com> <20260703-qmi-tmd-v4-1-3882189c1f83@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260703-qmi-tmd-v4-1-3882189c1f83@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: Cvo_b_LeDagmL1gklpOlh0VEdzyw8-zN X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzAzMDA3NCBTYWx0ZWRfX7GzlcZ0Em/co lh06BVV4CtMxECioxXhiz7P4JUR6cx6p0OHnxhwX9Xhdxi12jvMPmu4nt4zpw0DlRgq3jK/r/5o j3s6YkB6Y/fIKq/s/RLmBlD7+7A59qWW30LU9+kYdChLmUiPoSb+Pl6Dspt1yoZeltofd+QF0+b rJweOVzVlVQN+cm+jNEz7qJj7cVMPbba1tjldCJ/r4cd8bFqbL2em3q9pY6NR4Bk1m/RO/a44PU 2zhIn5AQKUskrsuAqPLcH3kL2Dw19Dbp1MfB3V0VPX1a0l85/nerv2QxjXE7yom3b+eqK5UtGLf wSxvWjiHpgme9+dQkYik6p7LyJYt/c+Z6wDvykFQRcR1Y2+qQ/8Bx2STwoLeyy6G6W3ij/ffdzz notFstYQIxIADec5BRFTKBbixyDwKQWsXKcLVFD4d+Eg2mUG5/+PR4ykOJI4YoNZIiefYYuA9u4 TsLXNjvzz1W9+n6Gm6A== X-Proofpoint-Spam-Info: AW1haW4tMjYwNzAzMDA3NCBTYWx0ZWRfX4ZShDpYnA1qa PcvTy9pTsaqX3fC0iboV7EQIBgjNdY9poof8eX5g7O2JZq7setAfSxfU7HBcQq6n36NXwzizVBH lPWbz+vojzPpv5W5GUIaP6iiUGT+oOc= X-Authority-Analysis: v=2.4 cv=N+UZ0W9B c=1 sm=1 tr=0 ts=6a476a71 cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=7t_v5s2nVLkGmMFP55oA:9 a=QEXdDO2ut3YA:10 a=bTQJ7kPSJx9SKPbeHEYW:22 X-Proofpoint-ORIG-GUID: Cvo_b_LeDagmL1gklpOlh0VEdzyw8-zN X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-07-03_02,2026-06-26_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 lowpriorityscore=0 clxscore=1015 bulkscore=0 spamscore=0 priorityscore=1501 phishscore=0 adultscore=0 malwarescore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607030074 On 7/3/26 7:03 AM, Gaurav Kohli wrote: > Add Device Tree binding constants for Qualcomm Thermal Mitigation > Device (TMD) types used by remoteproc-backed thermal cooling devices. > > Qualcomm remote processors expose thermal mitigation endpoints > through QMI. These endpoints can be registered with the thermal > framework via the `#cooling-cells` property on the remoteproc node. > > The QMI TMD protocol identifies devices using string names (for example, > "pa", "modem", and "cdsp_sw"), while the DT cooling-device binding with > `#cooling-cells = <3>` requires numeric device id in the form: > > <&phandle device_id min_state max_state> > > Define common TMD device index constants shared across currently > supported platforms. If a future target requires a different mapping, > additional target-specific constants can be introduced while preserving > existing DT ABI. > > Signed-off-by: Gaurav Kohli > --- > MAINTAINERS | 1 + > include/dt-bindings/firmware/qcom,qmi-tmd.h | 20 ++++++++++++++++++++ > 2 files changed, 21 insertions(+) > > diff --git a/MAINTAINERS b/MAINTAINERS > index 57656ec0e9d5..ffd85fd1dd80 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -3410,6 +3410,7 @@ F: drivers/firmware/qcom/ > F: drivers/soc/qcom/ > F: drivers/watchdog/gunyah_wdt.c > F: include/dt-bindings/arm/qcom,ids.h > +F: include/dt-bindings/firmware/qcom,qmi-tmd.h > F: include/dt-bindings/firmware/qcom,scm.h > F: include/dt-bindings/soc/qcom* > F: include/linux/firmware/qcom > diff --git a/include/dt-bindings/firmware/qcom,qmi-tmd.h b/include/dt-bindings/firmware/qcom,qmi-tmd.h > new file mode 100644 > index 000000000000..73efecef0f3c > --- /dev/null > +++ b/include/dt-bindings/firmware/qcom,qmi-tmd.h > @@ -0,0 +1,20 @@ > +/* SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause */ > +/* > + * Qualcomm QMI TMD (Thermal Mitigation Device) cooling device indices > + * > + * These indices are used in device tree cooling-maps to reference > + * specific TMD devices provided by remote processors via QMI. > + * > + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. > + */ > +#ifndef _DT_BINDINGS_FIRMWARE_QCOM_QMI_TMD_H > +#define _DT_BINDINGS_FIRMWARE_QCOM_QMI_TMD_H > + > +/* CDSP thermal mitigation device id */ > +#define QCOM_CDSP_TMD_CDSP_SW 0 > + > +/* Modem thermal mitigation device id */ > +#define QCOM_MODEM_TMD_PA 0 > +#define QCOM_MODEM_TMD_MODEM 1 What about the dozens other ones that Dmitry's laptop reports? https://lore.kernel.org/linux-arm-msm/4gs664zboaqgpok33x7bgorfmhh3f2fahjkt4jjl6fbzpwixnm@hxzz2xeogd4k/ Konrad