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PCI: Add DT binding for "reset-gpios" property

This change “PCI: Add DT binding for “reset-gpios” property” (commit 0fc8b82) in Linux kernel is authored by Manikanta Maddireddy <mmaddireddy [at]> on Tue Jun 18 23:32:04 2019 +0530.

Description of "PCI: Add DT binding for "reset-gpios" property"

The change “PCI: Add DT binding for “reset-gpios” property” introduces changes as follows.

PCI: Add DT binding for "reset-gpios" property

Add DT binding for "reset-gpios" property which supports GPIO based PERST#

Signed-off-by: Manikanta Maddireddy <>
Signed-off-by: Lorenzo Pieralisi <>
Reviewed-by: Rob Herring <>
Acked-by: Thierry Reding <>

Linux kernel releases containing commit 0fc8b82

The Linux kernel releases containing this commit are as follows.

Linux kernel code changes from "PCI: Add DT binding for "reset-gpios" property"

There are 3 lines of Linux source code added/deleted in this change. Code changes to Linux kernel are as follows.

 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 92c01db610df..2a5d91024059 100644
--- a/Documentation/devicetree/bindings/pci/pci.txt
+++ b/Documentation/devicetree/bindings/pci/pci.txt
@@ -24,6 +24,9 @@ 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.
 PCI-PCI Bridge properties

The commit for this change in Linux stable tree is 0fc8b82 (patch).

Last modified: 2020/02/08