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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b0bc786b7fsm74465675ad.20.2026.03.27.03.08.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 27 Mar 2026 03:08:27 -0700 (PDT) From: Anvesh Jain P Date: Fri, 27 Mar 2026 15:38:14 +0530 Subject: [PATCH v7 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: <20260327-add-driver-for-ec-v7-1-7684c915e42c@oss.qualcomm.com> References: <20260327-add-driver-for-ec-v7-0-7684c915e42c@oss.qualcomm.com> In-Reply-To: <20260327-add-driver-for-ec-v7-0-7684c915e42c@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=1774606096; l=2330; i=anvesh.p@oss.qualcomm.com; s=20260313; h=from:subject:message-id; bh=p1qib2l7A/JEOeiEFUXoqiCJEoH/aeCCTCy9wrPvB6A=; b=ibsuvcDp7Sci9hgY/3jUzw1fXjDiY0ZejF27wXljaMswnfyugfwJ3uNG0dIWxoB8AvBUswIOD tEx7k/gH9++D2t9Xkg/+d1HwaTmOXDWXfd8TjfEHcfAacxuUgEvO+ZX X-Developer-Key: i=anvesh.p@oss.qualcomm.com; a=ed25519; pk=8o9EG7gkPe2Er9y9UVCx8MTdcFCwU8Pa54hBZPuduXE= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzI3MDA3NCBTYWx0ZWRfXyx4g0E6DkBhc mIBBTZL3/9Wx+Ae6UtxEO0PfgxLQWuPOW1Z2zIkaXpAwivBMWR54erDctT7i5Bf6tVhreFaae8H tsy5QiMViW8rv3uy/v5kOb8t/PhUar7jYgLonprkXUfADSIrPBAw55HzR7+fdv68w3Ams1qVFgt b45vnB0Mddhd2wo3m/BDcHTo9BVBnt2iv5DNTuu6J1w0gsd2W61cR6c4bSV32hHAP9zi9Y7OvdS GQhnJTTLSdKNdtKA/ixK2j2t+omadM3bYke5piyabQKdDREKC/1873CWOlGGU33KmnhanHb7P8A 4weA54d0N/y8z6uMLk3Jb9MsIFixiZV7u4hjsxM+KORrkd5u/T08yQRWBryAnKWiNWza5OiRhA3 gChPSjPmh/yIpyAfX1B5tL1HOEbP3Mk6asANtRA6OTtGcCCeRRRH5xHlzdvSVMnYaoEbxW7fYmt nXFhMjPIVdVSLd03+kw== X-Proofpoint-GUID: ZiKWZbW4ahKYoyelGXm58kH_y-N6AkW4 X-Authority-Analysis: v=2.4 cv=S4bUAYsP c=1 sm=1 tr=0 ts=69c6571d 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: ZiKWZbW4ahKYoyelGXm58kH_y-N6AkW4 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=2026-03-26_04,2026-03-26_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 lowpriorityscore=0 bulkscore=0 phishscore=0 spamscore=0 impostorscore=0 clxscore=1015 adultscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603270074 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