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| author | Manikanta Maddireddy <mmaddireddy@nvidia.com> | 2019-06-18 23:32:01 +0530 |
|---|---|---|
| committer | Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> | 2019-06-20 17:40:48 +0100 |
| commit | 5992b044989daf281a2ab78b2e841cd6bd51d93a (patch) | |
| tree | 7cfd2dc9a96943ea97a7a18bb914cfa974fb7f95 /Documentation | |
| parent | adb2653b3d2e91e3053c807710615f532781b61f (diff) | |
| download | linux-5992b044989daf281a2ab78b2e841cd6bd51d93a.tar.gz linux-5992b044989daf281a2ab78b2e841cd6bd51d93a.tar.bz2 linux-5992b044989daf281a2ab78b2e841cd6bd51d93a.zip | |
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>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt b/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt index 145a4f04194f..7939bca47861 100644 --- a/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt +++ b/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt @@ -65,6 +65,14 @@ Required properties: - afi - 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): - phys: Must contain an entry for each entry in phy-names. - phy-names: Must include the following entries: |