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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id 00721157ae682-7bd6683794dsm149641717b3.27.2026.05.11.05.44.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 May 2026 05:44:36 -0700 (PDT) From: Anvesh Jain P Date: Mon, 11 May 2026 18:13:19 +0530 Subject: [PATCH v9 1/6] dt-bindings: embedded-controller: Add Qualcomm reference device EC description Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260511-add-driver-for-ec-v9-1-e5437c39b7f8@oss.qualcomm.com> References: <20260511-add-driver-for-ec-v9-0-e5437c39b7f8@oss.qualcomm.com> In-Reply-To: <20260511-add-driver-for-ec-v9-0-e5437c39b7f8@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 , Randy Dunlap 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=1778503462; l=2330; i=anvesh.p@oss.qualcomm.com; s=20260313; h=from:subject:message-id; bh=p1qib2l7A/JEOeiEFUXoqiCJEoH/aeCCTCy9wrPvB6A=; b=FCKxXhfphZfzNrqt3+fgaJMTaJIkPxTyUKk1I2quUplNtgZlNkRiJFkRS+Erh/joPXZuPFGRi nA+DuAdTtQXA7FrOkEGSNkCK2JaHd45xLiw55hQB25jfFuhnaHt3Qq8 X-Developer-Key: i=anvesh.p@oss.qualcomm.com; a=ed25519; pk=8o9EG7gkPe2Er9y9UVCx8MTdcFCwU8Pa54hBZPuduXE= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTExMDE0MSBTYWx0ZWRfX95swkAguM4iu Us1RIeiWqxbAdF3JaWjwFhdg2I1Ts86jGuw7RFqhcE9ZkV9I4CeKL+gA3YXtAG0/pRoO5I0xjUf 42jBBmaLs1wMWjrNt6FekLkYunqMQaIa6JCDj+PUEqaNFBNBvDlMC6DrF1FS4+afEAJoo66m/+E 8TGWoxCQNXgCbtw6B7wQbAilbqphLL4HFoOVKGdZmaJoRHxuYHbivfZ/8K/akGu4sDeVlkUN7gK FeDXVbwUGVxQamcXP0Aijke5edKnIcVjnNsU/zkKBsaid/tltgOafFNpv1OcXBOKXqoVIpMcf1z 3HisQOoYKsywXElBskvLPvBvSJNCM+WwxvrzM3ZY0C4J5Zc8ZtmvIimdAQZrHt6rb0xFoUw7j5i jQy+QWYgSolV8IBHTPY5B/OSKaUdJqJZGYtnet5SgMFzsqKv14O34g5k1V+9tx49Aw/SmKygoNY ogSDm0PsfpoBDc3nauA== X-Proofpoint-ORIG-GUID: Ldt9im005sJxTz_KXffYZ9vRiEo9Ua70 X-Proofpoint-GUID: Ldt9im005sJxTz_KXffYZ9vRiEo9Ua70 X-Authority-Analysis: v=2.4 cv=cKjQdFeN c=1 sm=1 tr=0 ts=6a01cf36 cx=c_pps a=g1v0Z557R90hA0UpD/5Yag==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=IkcTkHD0fZMA:10 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=gEfo2CItAAAA:8 a=pGLkceISAAAA:8 a=EUspDBNiAAAA:8 a=p9JF3S6fNoJM7NwPcqUA:9 a=QEXdDO2ut3YA:10 a=MFSWADHSvvjO3QEy5MdX:22 a=sptkURWiP4Gy88Gu7hUp:22 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=2026-05-11_03,2026-05-08_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 priorityscore=1501 bulkscore=0 impostorscore=0 clxscore=1015 spamscore=0 phishscore=0 malwarescore=0 lowpriorityscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2605110141 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,hamoa-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 +--- +$id: http://devicetree.org/schemas/embedded-controller/qcom,hamoa-crd-ec.yaml# +$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 control, + 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 = <1>; + #size-cells = <0>; + + embedded-controller@76 { + compatible = "qcom,hamoa-crd-ec"; + reg = <0x76>; + + interrupts-extended = <&tlmm 66 IRQ_TYPE_LEVEL_HIGH>; + }; + }; +... -- 2.34.1