[V6,25/27] PCI: Add DT binding for "reset-gpios" property
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Message ID 20190618180206.4908-26-mmaddireddy@nvidia.com
State New
Headers show
Series
  • Enable Tegra PCIe root port features
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Commit Message

Manikanta Maddireddy June 18, 2019, 6:02 p.m. UTC
Add DT binding for "reset-gpios" property which supports GPIO based PERST#
signal.

Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Thierry Reding <treding@nvidia.com>
---
V6: No change

V5: No change

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(+)

Patch
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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.