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Wed, 14 Oct 2026 05:19:25 -0700 (PDT) Received: from sdciot-sh07-lnx.qualcomm.com ([114.94.8.21]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-89d804ec645sm1016990b3a.43.2026.10.14.05.19.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Oct 2026 05:19:24 -0700 (PDT) From: Linghui Wu To: Bartosz Golaszewski , Bjorn Andersson , Konrad Dybcio Cc: Bartosz Golaszewski , Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Miaoqing Pan , Hangtian Zhu , linux-pm@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Linghui Wu Subject: [RFC PATCH 1/3] dt-bindings: power: sequencing: qcom-wcn: document wakeup-source Date: Wed, 14 Oct 2026 20:19:08 +0800 Message-ID: <20261014121910.1509541-2-linghui.wu@oss.qualcomm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20261014121910.1509541-1-linghui.wu@oss.qualcomm.com> References: <20261014121910.1509541-1-linghui.wu@oss.qualcomm.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Info: AW1haW4tMjYxMDE0MDA0OCBTYWx0ZWRfX46AVXT6EQ3UG qI2geztHpP6P9lCGKBq3IDyjZ56G5b/QoPdO6hidPW6giwPw8qe4DdtRsxP/Rhr1AFUudFqfg20 QFZ5b/2RKdXKHx53HgVGu77lMW268CU= X-Proofpoint-GUID: Npr5xmTv6I_fk4kSbspT8bqmqU7VKlG4 X-Authority-Analysis: v=2.4 cv=Y6ttIReN c=1 sm=1 tr=0 ts=6acf734e cx=c_pps a=WW5sKcV1LcKqjgzy2JUPuA==:117 a=Uz3yg00KUFJ2y2WijEJ4bw==:17 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=QRbdyHOjkzuQUDITQNoA:9 a=OpyuDcXvxspvyRM73sMx:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDE0MDA0OCBTYWx0ZWRfX+JkUAXhTvXgj JXKbaqxVNyR3eEfPjzPkTKpnPqYbKlFRyAvQbwmEJ+GFG4s2Q972R1EaqWu1pzFxQ+g0iYIN65f 2njtQve1S1MNRZYmy+1rsPaW7D29ql9V0nPXWylJiAxoosMHkxQ4lIQwm2xNyNcVxihLjAfPyIg w0kYpfIz4oRaq2FEJ33imIW/DBzobfYb5fPQFwLRqxf5LU867HBxFQvqxW6K0opTcrMNiSfD4jF pLn9ENUC48AfywswaQ8amhtHrtLnDW0ETelzspo6QqIRU4DO+WC551JEXctDVj6iLQbWGUgO+7S D3CvGQyfzlFsEfsv4m0guoiXfFBjqor6jLFfn1MmHiMsuDYKz9E2E3S5/5Jmw8xMsz+h4gbIoy2 APrPpKYKdeqFuuWDBOvKJUV63w07aE8172jbVTAQfUhWLDZm2WFIgxk7FT2AuZ0O73x8Nhyn8aq TN35niACe1/koAlI/+A== X-Proofpoint-ORIG-GUID: Npr5xmTv6I_fk4kSbspT8bqmqU7VKlG4 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-10-13_01,2026-10-09_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 adultscore=0 phishscore=0 lowpriorityscore=0 clxscore=1015 spamscore=0 suspectscore=0 bulkscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610080000 definitions=main-2610140048 Some WCN3990-family designs connect SW_CTRL to an interrupt capable of waking the application processor. Document the dedicated "wakeup" interrupt and wakeup-source property for the WCN PMU node. Signed-off-by: Linghui Wu --- .../bindings/regulator/qcom,wcn3990-pmu.yaml | 22 +++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/Documentation/devicetree/bindings/regulator/qcom,wcn3990-pmu.yaml b/Documentation/devicetree/bindings/regulator/qcom,wcn3990-pmu.yaml index 9a7abc878b8..00cd8b6c27d 100644 --- a/Documentation/devicetree/bindings/regulator/qcom,wcn3990-pmu.yaml +++ b/Documentation/devicetree/bindings/regulator/qcom,wcn3990-pmu.yaml @@ -42,6 +42,20 @@ properties: maxItems: 1 description: GPIO line indicating the state of the clock supply to the BT module + interrupts: + maxItems: 1 + description: SW_CTRL wake interrupt, asserted when the WCN chip is active + + interrupt-names: + const: wakeup + + wakeup-source: + type: boolean + description: + Mark the PMU as a wakeup source. Requires the "wakeup" interrupt to be + present. When set, the SW_CTRL IRQ is used to wake the application + processor from system suspend. + clocks: maxItems: 1 description: Reference clock handle @@ -67,6 +81,14 @@ required: - vddrf-supply - vddch0-supply +dependencies: + wakeup-source: + required: + - interrupt-names + anyOf: + - required: [interrupts] + - required: [interrupts-extended] + additionalProperties: false examples: -- 2.43.0