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| author | Manikanta Maddireddy <mmaddireddy@nvidia.com> | 2019-06-18 20:02:04 +0200 |
|---|---|---|
| committer | Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> | 2019-06-20 18:40:48 +0200 |
| commit | 0fc8b82f31c4a7bea4c487d380a10d1271bf8d4d (patch) | |
| tree | 281838dfcb11abef4db53cb9645b59a9540c9263 /Documentation/devicetree/bindings/pci | |
| parent | PCI: tegra: Put PEX CLK & BIAS pads in DPD mode (diff) | |
| download | linux-0fc8b82f31c4a7bea4c487d380a10d1271bf8d4d.tar.xz linux-0fc8b82f31c4a7bea4c487d380a10d1271bf8d4d.zip | |
PCI: Add DT binding for "reset-gpios" property
Add DT binding for "reset-gpios" property which supports GPIO based PERST#
signal.
Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'Documentation/devicetree/bindings/pci')
| -rw-r--r-- | Documentation/devicetree/bindings/pci/pci.txt | 3 |
1 files changed, 3 insertions, 0 deletions
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 ------------------------- |