[PATCH] schemas: PCI: Add standard PCIe WAKE# signal

Krishna Chaitanya Chundru <[email protected]> Thu, 15 May 2025 14:35:17 +0530
Newsgroups org.kernel.vger.devicetree-spec,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel,org.kernel.vger.linux-pci
Message-ID <[email protected]>
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 <[email protected]>
---
 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.
-- 
2.34.1