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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-35a02fc9454sm8604577a91.12.2026.03.13.03.31.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Mar 2026 03:31:34 -0700 (PDT) From: Anvesh Jain P Date: Fri, 13 Mar 2026 15:59:51 +0530 Subject: [PATCH v4 1/5] dt-bindings: embedded-controller: Add EC bindings for Qualcomm reference devices 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: <20260313-v04-add-driver-for-ec-v4-1-ca9d0efd62aa@oss.qualcomm.com> References: <20260313-v04-add-driver-for-ec-v4-0-ca9d0efd62aa@oss.qualcomm.com> In-Reply-To: <20260313-v04-add-driver-for-ec-v4-0-ca9d0efd62aa@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 X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1773397885; l=2238; i=anvesh.p@oss.qualcomm.com; s=20260313; h=from:subject:message-id; bh=UTz9Z1xOCUg69vDgInVuKa/ozDgodVccbshMqN1RjNM=; b=DqH6TX4TZB/5jaGrLIyjO5ApcznbF35JeuPxrx6JArsKWKWk6eGSJKs7DxhDwmGLH1phABS8I 7tMXYW+tTg9AJaVJwUuQHv61kLQHPc/EiyTZJY62hTLNBNbYsLJ2XFf X-Developer-Key: i=anvesh.p@oss.qualcomm.com; a=ed25519; pk=8o9EG7gkPe2Er9y9UVCx8MTdcFCwU8Pa54hBZPuduXE= X-Authority-Analysis: v=2.4 cv=T6eBjvKQ c=1 sm=1 tr=0 ts=69b3e788 cx=c_pps a=0uOsjrqzRL749jD1oC5vDA==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=gowsoOTTUOVcmtlkKump:22 a=gEfo2CItAAAA:8 a=pGLkceISAAAA:8 a=EUspDBNiAAAA:8 a=6bqoFnLgofmmdwMbvCAA:9 a=QEXdDO2ut3YA:10 a=mQ_c8vxmzFEMiUWkPHU9:22 a=sptkURWiP4Gy88Gu7hUp:22 X-Proofpoint-ORIG-GUID: mWztshzQ3fPEJYwmHcPJ7rSKh_n-Rkpw X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzEzMDA4MiBTYWx0ZWRfX2nFlWGiCn2ID 0mmCpDODVVWcHJTX/m4r+j9c0t8wvHt/L4qpPkvoWc3w3dsrhZEMDbsWPjGweAd3LFkZwan0cZP /rQ6pGR9rCRNQTwuoXRA+yjb5ikkP0sGdGjye+cyobP3LZ/9vYPfsMGhXeiuhd208GqZFzPUYGO zQ78LjMeDL0eKaLsShLIr2K3bD1eZhO8d/9S1O9K8zDJ1uz/U1BUbh9kGZVWK+FDSv/qekpL2O/ ZN3YbYJhpuBA04KySBxjst9ePKhl1XdujOoftEcvTM/9rRHUoK+/r5Q11VfzLNXh9/RHcASP19l uGF5pdOQW4el2qXvqgM1uUajQSIOV6goTdDMWyKvfCgjx/IRD86yenGfUjfX7ftUgixzSQNSnHG 3QBIC2dbc0UGkR2uUf7gHW7D0oi/p66RUPmvUOV2NTvyj5HBZflI+1+ubNj7ojTzX9zVWYW5w5h bADUwDvKB8U9RcJjO0g== X-Proofpoint-GUID: mWztshzQ3fPEJYwmHcPJ7rSKh_n-Rkpw 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=2026-03-13_02,2026-03-12_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1011 spamscore=0 lowpriorityscore=0 malwarescore=0 adultscore=0 suspectscore=0 bulkscore=0 phishscore=0 impostorscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603130082 From: Maya Matuszczyk Add bindings 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 Co-developed-by: Anvesh Jain P Signed-off-by: Anvesh Jain P --- .../embedded-controller/qcom,hamoa-ec.yaml | 56 ++++++++++++++++++= ++++ 1 file changed, 56 insertions(+) diff --git a/Documentation/devicetree/bindings/embedded-controller/qcom,ham= oa-ec.yaml b/Documentation/devicetree/bindings/embedded-controller/qcom,ham= oa-ec.yaml new file mode 100644 index 000000000000..baa95f06644a --- /dev/null +++ b/Documentation/devicetree/bindings/embedded-controller/qcom,hamoa-ec.y= aml @@ -0,0 +1,56 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/embedded-controller/qcom,hamoa-ec.yaml# +$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 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