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Thu, 15 May 2025 02:05:26 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHCFMufWAFO9NdsfiHbNKngrTVhvlxFVYN/2LnoJXLvaE75D+Kk58BJpsD/u0hFFioSfscu5Q== X-Received: by 2002:a05:6a00:b4c:b0:73c:b86:b47f with SMTP id d2e1a72fcca58-742984c25damr2428776b3a.4.1747299925720; Thu, 15 May 2025 02:05:25 -0700 (PDT) Received: from hu-krichai-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-742944e32a0sm1378000b3a.20.2025.05.15.02.05.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 15 May 2025 02:05:25 -0700 (PDT) From: Krishna Chaitanya Chundru To: andersson@kernel.org, robh@kernel.org, dmitry.baryshkov@linaro.org, manivannan.sadhasivam@linaro.org, krzk@kernel.org, helgaas@kernel.org Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, lpieralisi@kernel.org, kw@linux.com, conor+dt@kernel.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree-spec@vger.kernel.org, quic_vbadigan@quicinc.com, sherry.sun@nxp.com, Krishna Chaitanya Chundru Subject: [PATCH] schemas: PCI: Add standard PCIe WAKE# signal Date: Thu, 15 May 2025 14:35:17 +0530 Message-Id: <20250515090517.3506772-1-krishna.chundru@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-ORIG-GUID: Z7bIxU1_4_4N0WUEH4Pb0V_457o1Kwho X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNTE1MDA4OCBTYWx0ZWRfX/rpt11FcxDUD gBuyG9iU3ZUDjA3inDC7MeIwzWtmTBkyOdzn3s4IHa1gWuRNMvKTu289emZKHu4Z9xaYR/Orz/C tlHRrx7pxozp2YakcZdhmugkR/7BCNSpCCRyo+5IC08P2Il6UbsA6AOMGIsSR1WcYQsWdgXuzlY IJYvAtl73vuIJ+7MqWPcVUbpbvtEh7+WGqq3ofMgzQjC4u0IdcAe3G/YTRdH0f2pWqInSLlRsX7 61uJyJs7uOakXBrwlgHLoKo0wIv366HWCnd9ljwt5Sct3JOeK4rx6dr474LQC+QfrfO+viXJf0s iUsFlS+x/sgEUIAcIFfBq1nd1nwbpJPr4afnf5yloyzvdwZstOJQaVBxW4w2yn41GiM1Vp2SKSX KjkrcJzhA+q7yEQr49mlLV0mVMrLPOqW5wB73Lg0Lj0daAvX4u+uRHvw9INt6ZWZOd7sDwUX X-Authority-Analysis: v=2.4 cv=K7UiHzWI c=1 sm=1 tr=0 ts=6825ae57 cx=c_pps a=mDZGXZTwRPZaeRUbqKGCBw==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=dt9VzEwgFbYA:10 a=EUspDBNiAAAA:8 a=aeoR8HoxK4P27VDVSowA:9 a=zc0IvFSfCIW2DFIPzwfm:22 X-Proofpoint-GUID: Z7bIxU1_4_4N0WUEH4Pb0V_457o1Kwho X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-05-15_04,2025-05-14_03,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 priorityscore=1501 mlxscore=0 suspectscore=0 malwarescore=0 phishscore=0 mlxlogscore=905 clxscore=1015 bulkscore=0 impostorscore=0 lowpriorityscore=0 spamscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505070000 definitions=main-2505150088 As per PCIe spec 6, sec 5.3.3.2 document PCI standard WAKE# signal, which is used to re-establish power and reference clocks to the components within its domain. Signed-off-by: Krishna Chaitanya Chundru --- dtschema/schemas/pci/pci-bus-common.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/dtschema/schemas/pci/pci-bus-common.yaml b/dtschema/schemas/pci/pci-bus-common.yaml index ca97a00..a39fafc 100644 --- a/dtschema/schemas/pci/pci-bus-common.yaml +++ b/dtschema/schemas/pci/pci-bus-common.yaml @@ -142,6 +142,10 @@ properties: description: GPIO controlled connection to PERST# signal maxItems: 1 + wake-gpios: + description: GPIO controlled connection to WAKE# signal + maxItems: 1 + slot-power-limit-milliwatt: description: If present, specifies slot power limit in milliwatts.