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From: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
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,
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Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
Subject: [PATCH] schemas: PCI: Add standard PCIe WAKE# signal
Date: Thu, 15 May 2025 14:35:17 +0530
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| Series |
schemas: PCI: Add standard PCIe WAKE# signal
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expand
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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.
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 <krishna.chundru@oss.qualcomm.com> --- dtschema/schemas/pci/pci-bus-common.yaml | 4 ++++ 1 file changed, 4 insertions(+)