Add DT binding for "reset-gpios" property which supports GPIO based PERST#
signal.
Signed-off-by: Manikanta Maddireddy <mmaddireddy@xxxxxxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
Acked-by: Thierry Reding <treding@xxxxxxxxxx>
---
V4: No change
V3: Moved to common pci binding doc
V2: Using standard "reset-gpio" property
Documentation/devicetree/bindings/pci/pci.txt | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/pci/pci.txt b/Documentation/devicetree/bindings/pci/pci.txt
index c77981c5dd18..79124898aa5b 100644
--- a/Documentation/devicetree/bindings/pci/pci.txt
+++ b/Documentation/devicetree/bindings/pci/pci.txt
@@ -24,3 +24,6 @@ driver implementation may support the following properties:
unsupported link speed, for instance, trying to do training for
unsupported link speed, etc. Must be '4' for gen4, '3' for gen3, '2'
for gen2, and '1' for gen1. Any other values are invalid.
+- reset-gpios:
+ If present this property specifies PERST# GPIO. Host drivers can parse the
+ GPIO and apply fundamental reset to endpoints.
--
2.17.1
