diff mbox series

[V3,26/29] PCI: Add DT binding for "reset-gpios" property

Message ID 20190513180744.16493-27-mmaddireddy@nvidia.com (mailing list archive)
State Superseded, archived
Headers show
Series Enable Tegra PCIe root port features | expand

Commit Message

Manikanta Maddireddy May 13, 2019, 6:07 p.m. UTC
Add DT binding for "reset-gpios" property which supports GPIO based PERST#
signal.

Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
---
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(+)

Comments

Rob Herring (Arm) May 14, 2019, 6:23 p.m. UTC | #1
On Mon, 13 May 2019 23:37:41 +0530, Manikanta Maddireddy wrote:
> Add DT binding for "reset-gpios" property which supports GPIO based PERST#
> signal.
> 
> Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
> Acked-by: Thierry Reding <treding@nvidia.com>
> ---
> 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(+)
> 

Reviewed-by: Rob Herring <robh@kernel.org>
diff mbox series

Patch

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.