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dt-bindings: pci: tegra: Document PCIe DPD pinctrl optional prop 

Document PCIe DPD pinctrl optional property to put PEX clk & BIAS pads
in low power mode.

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>
This commit is contained in:
Manikanta Maddireddy 2019-06-18 23:32:01 +05:30 committed by Lorenzo Pieralisi
parent adb2653b3d
commit 5992b04498
1 changed files with 8 additions and 0 deletions
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8
Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt
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@ -65,6 +65,14 @@ Required properties:
- afi - afi
- pcie_x - pcie_x
Optional properties:
- pinctrl-names: A list of pinctrl state names. Must contain the following
entries:
- "default": active state, puts PCIe I/O out of deep power down state
- "idle": puts PCIe I/O into deep power down state
- pinctrl-0: phandle for the default/active state of pin configurations.
- pinctrl-1: phandle for the idle state of pin configurations.
Required properties on Tegra124 and later (deprecated): Required properties on Tegra124 and later (deprecated):
- phys: Must contain an entry for each entry in phy-names. - phys: Must contain an entry for each entry in phy-names.
- phy-names: Must include the following entries: - phy-names: Must include the following entries: