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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-82f8ec24850sm33004008b3a.60.2026.04.27.03.05.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Apr 2026 03:05:28 -0700 (PDT) From: Anvesh Jain P Date: Mon, 27 Apr 2026 15:34:52 +0530 Subject: [PATCH v8 1/6] 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: 7bit Message-Id: <20260427-add-driver-for-ec-v8-1-702f74e495f7@oss.qualcomm.com> References: <20260427-add-driver-for-ec-v8-0-702f74e495f7@oss.qualcomm.com> In-Reply-To: <20260427-add-driver-for-ec-v8-0-702f74e495f7@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=1777284317; l=2330; i=anvesh.p@oss.qualcomm.com; s=20260313; h=from:subject:message-id; bh=p1qib2l7A/JEOeiEFUXoqiCJEoH/aeCCTCy9wrPvB6A=; b=ErNzU5mw83Da2u7kh008/Dc0CT1AdXprku9fq+PLAB/henuOdFNdmhU9r870WHRACmc6EEBKF 1J2D6KcowsVBQ+RURg+8DJkn1ei+/DxrRWRW/LMM3p9WPpGpLe6w5xS X-Developer-Key: i=anvesh.p@oss.qualcomm.com; a=ed25519; pk=8o9EG7gkPe2Er9y9UVCx8MTdcFCwU8Pa54hBZPuduXE= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDI3MDEwNSBTYWx0ZWRfX55Hv5NSfvvXM 6nPbHyD90k35GKcONJm+qQYeKx/0iUFvpUn5w5o0ifUtWU7d916mv3PKvAaQeTk/9OhVuyoP5bM RXACPSBLLE2BZChEopbI0OenvtGyOrJcPEvhDv6fwyW87ukZpe2JFaaYswG5XmA5TsYlAbBo0mq /at58tWCVZCU49ADpMj0reDtQp/amXKRf1GN4z2UyWFQKWplE3fB4iYqnQEgZwbv+MQLtvmZ3aE lyydODH7UE79xolIhf6HlHexp4bEfhtpEk6RRf1J+e+6pb933G0W1vqDLwEV2yCsQ6Wj452ZsaF gbDYI5ITohAp+oWnoO8l/ysvtpvHWguV7UvRA3x6dQZMyut2eI97R33xeIXMD/ditM1hgg0/Yfv JfNF8VP5uJpblRiYhBkJ8CzxItbgXJUiHrfXEYjXplGAuOg8nf74oiTrh7dn1qeqV21ZYmzfQHT /3Du0Q8oZgNr+HbWk8w== X-Proofpoint-ORIG-GUID: WUHoRxXr5SkUC67V-J-wRxapz3bCTg8G X-Authority-Analysis: v=2.4 cv=RaGgzVtv c=1 sm=1 tr=0 ts=69ef34ea cx=c_pps a=rEQLjTOiSrHUhVqRoksmgQ==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA: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=p9JF3S6fNoJM7NwPcqUA:9 a=QEXdDO2ut3YA:10 a=2VI0MkxyNR6bbpdq8BZq:22 a=sptkURWiP4Gy88Gu7hUp:22 X-Proofpoint-GUID: WUHoRxXr5SkUC67V-J-wRxapz3bCTg8G 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=2026-04-27_03,2026-04-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 priorityscore=1501 bulkscore=0 malwarescore=0 lowpriorityscore=0 phishscore=0 spamscore=0 clxscore=1015 suspectscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2604270105 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