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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b0ae360d4bsm38152015ad.16.2026.03.25.04.41.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Mar 2026 04:41:12 -0700 (PDT) From: Anvesh Jain P Date: Wed, 25 Mar 2026 17:09:51 +0530 Subject: [PATCH v6 1/5] dt-bindings: embedded-controller: Add Qualcomm reference device EC description Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260325-add-driver-for-ec-v6-1-a8e888d09f0f@oss.qualcomm.com> References: <20260325-add-driver-for-ec-v6-0-a8e888d09f0f@oss.qualcomm.com> In-Reply-To: <20260325-add-driver-for-ec-v6-0-a8e888d09f0f@oss.qualcomm.com> To: Sibi Sankar , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Hans de Goede , =?utf-8?q?Ilpo_J=C3=A4rvinen?= , Bryan O'Donoghue , Bjorn Andersson , Konrad Dybcio Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org, Anvesh Jain P , Maya Matuszczyk , Krzysztof Kozlowski X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1774438862; l=2330; i=anvesh.p@oss.qualcomm.com; s=20260313; h=from:subject:message-id; bh=p1qib2l7A/JEOeiEFUXoqiCJEoH/aeCCTCy9wrPvB6A=; b=B9ryd+vvxFBe91fPiXtBVsao3vJGX75CubyOgVKHhW8onikmhOqcycrY1iFvnvVmd18gEPdp1 7Bw/TAqo6hjCXi6GxfeHqku/7ad5QyoUzQvGWdonay8KioiUUuzHd/n X-Developer-Key: i=anvesh.p@oss.qualcomm.com; a=ed25519; pk=8o9EG7gkPe2Er9y9UVCx8MTdcFCwU8Pa54hBZPuduXE= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzI1MDA4MyBTYWx0ZWRfX0VoKKHC0EVNn w2IBoSEQhsfZfRm48tg59knhf4kYVYan05hNWQuABjqf1zV+gmBQTGTT7LvOtpRJLlbHsTJY2Hv ULiwodGL3I4IGb1vbHe3FMm3m2dgAuEqlsIOtAE3wuhUMfP8IGEgpfUisHD0PLkbhRTsWe/bg0G /pxbKn5J19REj5v9BeH0WC7CQS1gWryMGbsLiDyVoob5SiuEgq28e7oNGyUy0HdgS3JLHnkLQqJ a1VKOZKyNwsRl2glN9AEjnJSljhrCA50/GPEOisShARddZg4Stjr4m2fa6u+fj6YNfSh7DTfFYe u6jpJ0dUMOf7XWMYC2q3WW0OaZRzpqmKGASIe5sbDqXTqkLUoh4BHJKWt7MEpeKPV5FhoYEe6HW whDZeLtvhQm2pvfvYBl0UeEU1tyj2iad681DCPPVg4OUWDKbrirKsr4Buv6ZLIJ+0tf5mQap8h4 60ZyD52HkWBsoWmZeEw== X-Authority-Analysis: v=2.4 cv=P5M3RyAu c=1 sm=1 tr=0 ts=69c3c9da cx=c_pps a=IZJwPbhc+fLeJZngyXXI0A==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=gEfo2CItAAAA:8 a=pGLkceISAAAA:8 a=EUspDBNiAAAA:8 a=p9JF3S6fNoJM7NwPcqUA:9 a=QEXdDO2ut3YA:10 a=uG9DUKGECoFWVXl0Dc02:22 a=sptkURWiP4Gy88Gu7hUp:22 X-Proofpoint-ORIG-GUID: vNKO6hEMQFOv6-SRVqHck6sFZVYRL6WH X-Proofpoint-GUID: vNKO6hEMQFOv6-SRVqHck6sFZVYRL6WH 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=2026-03-25_04,2026-03-24_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 phishscore=0 adultscore=0 lowpriorityscore=0 malwarescore=0 priorityscore=1501 spamscore=0 bulkscore=0 clxscore=1015 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603250083 From: Maya Matuszczyk Add description for the EC firmware running on Hamoa/Purwa and Glymur reference devices. Signed-off-by: Maya Matuszczyk Co-developed-by: Sibi Sankar Signed-off-by: Sibi Sankar Reviewed-by: Krzysztof Kozlowski Co-developed-by: Anvesh Jain P Signed-off-by: Anvesh Jain P --- .../embedded-controller/qcom,hamoa-crd-ec.yaml | 56 ++++++++++++++++++= ++++ 1 file changed, 56 insertions(+) diff --git a/Documentation/devicetree/bindings/embedded-controller/qcom,ham= oa-crd-ec.yaml b/Documentation/devicetree/bindings/embedded-controller/qcom= ,hamoa-crd-ec.yaml new file mode 100644 index 000000000000..ac5a08f8f76d --- /dev/null +++ b/Documentation/devicetree/bindings/embedded-controller/qcom,hamoa-crd-= ec.yaml @@ -0,0 +1,56 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/embedded-controller/qcom,hamoa-crd-ec.y= aml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Hamoa Embedded Controller + +maintainers: + - Sibi Sankar + - Anvesh Jain P + +description: + Qualcomm Snapdragon based Hamoa/Purwa and Glymur reference devices have = an + EC running on different MCU chips. The EC handles things like fan contro= l, + temperature sensors, access to EC internal state changes. + +properties: + compatible: + oneOf: + - items: + - enum: + - qcom,glymur-crd-ec + - qcom,hamoa-iot-evk-ec + - const: qcom,hamoa-crd-ec + - enum: + - qcom,hamoa-crd-ec + + reg: + const: 0x76 + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + #include + i2c { + #address-cells =3D <1>; + #size-cells =3D <0>; + + embedded-controller@76 { + compatible =3D "qcom,hamoa-crd-ec"; + reg =3D <0x76>; + + interrupts-extended =3D <&tlmm 66 IRQ_TYPE_LEVEL_HIGH>; + }; + }; +... --=20 2.34.1