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Wed, 14 Oct 2026 21:12:56 -0700 (PDT) Received: from sdciot-sh07-lnx.qualcomm.com ([114.94.8.21]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3ac944af2f1sm2267762a91.15.2026.10.14.21.12.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Oct 2026 21:12:55 -0700 (PDT) From: Linghui Wu To: Bartosz Golaszewski Cc: Bjorn Andersson , Konrad Dybcio , Abel Vesa , Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bartosz Golaszewski , 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 v2 1/3] dt-bindings: power: sequencing: qcom-wcn: document wakeup-source Date: Thu, 15 Oct 2026 12:12:39 +0800 Message-ID: <20261015041241.2186521-2-linghui.wu@oss.qualcomm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20261015041241.2186521-1-linghui.wu@oss.qualcomm.com> References: <20261014121910.1509541-1-linghui.wu@oss.qualcomm.com> <20261015041241.2186521-1-linghui.wu@oss.qualcomm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: 0RXGukBlXXz17g2ovvW1NxPhcuDwFGBl X-Authority-Analysis: v=2.4 cv=fNusTpae c=1 sm=1 tr=0 ts=6ad052c9 cx=c_pps a=vVfyC5vLCtgYJKYeQD43oA==:117 a=Uz3yg00KUFJ2y2WijEJ4bw==:17 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=EUspDBNiAAAA:8 a=brVOnVl_E7YOJ4RIXMgA:9 a=rl5im9kqc5Lf4LNbBjHf:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDE1MDAxNiBTYWx0ZWRfX2Nz7G7pcdqqF b93QZEInVsHVa4R+AhG8+XxGaFDtF+mVFT0G3zJtsrX8C6vbI6PHX73MGZYbYh8rT4VplO7wrAc MwU70T5/1sfD0+medxzN2hkICiO62/IybhM9GvDMBHZpxHq00VkOuDXv9XzUgNomKdJP3rCzcSr jwHMRBWO0GqNuPuzxb8SiDaPFa4bVRD6jYoGBm0hou0M1dMq1WxCzbeX+UP4nxcxB8Gkg8HSquP f8NsDXaouYBu28e+3jvDQNh5w9fgDoo1CXhGtpGh2EearLXdmaRk9AWJnUt6udNLYPhUzqP5Fw3 IIJHnM0kYGhXMoas+UgPz/K5n1OVhI49rXCEW+OTU8VrDVmcFx4989DmJj5LnRxohxZYRVfwrtP dUwk/7X4XHcqcsFbz9IrIZXHkZ9LcVSaWu+NxAfHgFp76hrSq6YkhQhYDKUDS8ERN9XQEF0FXiH Mf2fAQ5u/AIs16aWo7Q== X-Proofpoint-Spam-Info: AW1haW4tMjYxMDE1MDAxNiBTYWx0ZWRfX+PG1ryR0JNtm NvUh0/Y6Ca/WFQsoa3kGnfJCSBhJaQIvDmGeCuxQ0ivlzhlqdTWKvs9ebFSkGH8GMtVWH+gkU07 9zXOittCAJENy5/kHMIgknhpNcOAra0= X-Proofpoint-GUID: 0RXGukBlXXz17g2ovvW1NxPhcuDwFGBl 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_01,2026-10-14_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 phishscore=0 bulkscore=0 lowpriorityscore=0 impostorscore=0 spamscore=0 clxscore=1015 priorityscore=1501 adultscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610080000 definitions=main-2610150016 The SW_CTRL GPIO can be used as a wake signal on platforms where the WCN device must wake the application processor. Document wakeup-source and require the existing swctrl-gpios property when it is present. Signed-off-by: Linghui Wu --- .../devicetree/bindings/regulator/qcom,wcn3990-pmu.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/regulator/qcom,wcn3990-pmu.yaml b/Documentation/devicetree/bindings/regulator/qcom,wcn3990-pmu.yaml index 9a7abc878b83..f0372e28c99e 100644 --- a/Documentation/devicetree/bindings/regulator/qcom,wcn3990-pmu.yaml +++ b/Documentation/devicetree/bindings/regulator/qcom,wcn3990-pmu.yaml @@ -42,6 +42,8 @@ properties: maxItems: 1 description: GPIO line indicating the state of the clock supply to the BT module + wakeup-source: true + clocks: maxItems: 1 description: Reference clock handle @@ -67,6 +69,10 @@ required: - vddrf-supply - vddch0-supply +dependentRequired: + wakeup-source: + - swctrl-gpios + additionalProperties: false examples: -- 2.43.0