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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2ae83e9ad26sm114274845ad.28.2026.03.08.16.36.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 08 Mar 2026 16:36:56 -0700 (PDT) From: Sibi Sankar To: robh@kernel.org, krzk+dt@kernel.org, andersson@kernel.org, konradybcio@kernel.org, bryan.odonoghue@linaro.org, ilpo.jarvinen@linux.intel.com, hansg@kernel.org Cc: conor+dt@kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org Subject: [PATCH V3 0/5] Add driver for EC found on Qualcomm reference devices Date: Mon, 9 Mar 2026 05:06:41 +0530 Message-Id: <20260308233646.2318676-1-sibi.sankar@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=IdqKmGqa c=1 sm=1 tr=0 ts=69ae0819 cx=c_pps a=JL+w9abYAAE89/QcEU+0QA==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=VwQbUJbxAAAA:8 a=pGLkceISAAAA:8 a=COk6AnOGAAAA:8 a=T5_SIA_r1xWFi_hSMU8A:9 a=324X-CrmTo6CU4MGRt3R:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-GUID: NBXEy150Xe9NXzjtSsA21jEE8uWMp8zF X-Proofpoint-ORIG-GUID: NBXEy150Xe9NXzjtSsA21jEE8uWMp8zF X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzA4MDIxOCBTYWx0ZWRfXx2evp33uf51C ov4R/qxy18HxUJCt4AAXeHMajb0e4OVOBDo5HFRushgxG48Ffx3J4O5X5gjz4aduDllotvblZXI hr6Gmq1VV448K+lYHLf4Hja2+riPrzMZsi1Mk/FU+dV9p0VwmZq8wyXlfi/qolY6MppGvPJt8JF uZ2dPJnZv64IGk/5uXynq+QS5hmTsY76ldhohPZst6Bc0l6t2EGv8vKu53qBWWrVHLKRlWw8XEz GRr3hsANF5AloEOWcK1NZyvEf38BqyoNDCOeUF1bbHpBLuVA9wgbtQbORoQC5MJPNPxdSLD6mPx Negh+gjD+78VUVQ2ET2b5cL3jSbdaDqpTtL1/gJixuMYKCQ+kBkMlkeq6wd92qEJJonTBK5T6m9 wipJmG3dAGQpv7wsWyASEa5t/ZL9CHBetG2gor1rJJahuWrR/EcL5bdJfu5rGgIdqtwq463uZ9K C/HpNVDrfQMneeVbBAg== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-08_07,2026-03-06_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 bulkscore=0 suspectscore=0 lowpriorityscore=0 spamscore=0 malwarescore=0 clxscore=1015 phishscore=0 priorityscore=1501 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2603080218 From: Sibi Sankar Add Embedded controller driver support for Hamoa/Purwa/Glymur Qualcomm reference boards, which run on IT8987 and Nuvoton MCUs respectively. It handles fan control, temperature sensors, access to EC state changes and supports reporting suspend entry/exit to the EC. Changes in v3: - Revamp the bindings and driver to support generic ec specification that works across Qualcomm Hamoa/Purwa and Glymur reference devices. - Add ec nodes to Hamoa/Purwa CRDs and IOT-EVKs. - Add ec node to Glymur CRDs. - Link to v2: https://lore.kernel.org/lkml/20241219200821.8328-1-maccraft123mc@gmail.com/ - Link to v1: https://lore.kernel.org/lkml/20240927185345.3680-1-maccraft123mc@gmail.com/ Maya Matuszczyk (1): dt-bindings: embedded-controller: Add EC bindings for Qualcomm reference devices Sibi Sankar (4): platform: arm64: Add driver for EC found on Qualcomm reference devices arm64: dts: qcom: glymur-crd: Add Embedded controller node arm64: dts: qcom: x1-crd: Add Embedded controller node arm64: dts: qcom: hamoa-iot-evk: Add Embedded controller node .../embedded-controller/qcom,hamoa-ec.yaml | 52 ++ MAINTAINERS | 7 + arch/arm64/boot/dts/qcom/glymur-crd.dts | 22 + arch/arm64/boot/dts/qcom/hamoa-iot-evk.dts | 10 + arch/arm64/boot/dts/qcom/hamoa-iot-som.dtsi | 6 + arch/arm64/boot/dts/qcom/x1-crd.dtsi | 16 + drivers/platform/arm64/Kconfig | 12 + drivers/platform/arm64/Makefile | 1 + drivers/platform/arm64/qcom-hamoa-ec.c | 462 ++++++++++++++++++ 9 files changed, 588 insertions(+) create mode 100644 Documentation/devicetree/bindings/embedded-controller/qcom,hamoa-ec.yaml create mode 100644 drivers/platform/arm64/qcom-hamoa-ec.c base-commit: a0ae2a256046c0c5d3778d1a194ff2e171f16e5f -- 2.34.1