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dt-bindings: PCI: rockchip: Add vpcie12v-supply for Rockchip PCIe controller 

The PCIe connector provide a optional 12V power supply for high power
downstream components, so we add this as an optional one if we need to
control it.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Shawn Lin 2017-06-29 09:21:28 +08:00 committed by Bjorn Helgaas
parent 0d58e6c1b1
commit 828bdcfbdb
1 changed files with 1 additions and 0 deletions
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Documentation/devicetree/bindings/pci/rockchip-pcie.txt
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@ -47,6 +47,7 @@ Optional Property:
using 24MHz OSC for RC's PHY.
- ep-gpios: contain the entry for pre-reset gpio
- num-lanes: number of lanes to use
- vpcie12v-supply: The phandle to the 12v regulator to use for PCIe.
- vpcie3v3-supply: The phandle to the 3.3v regulator to use for PCIe.
- vpcie1v8-supply: The phandle to the 1.8v regulator to use for PCIe.
- vpcie0v9-supply: The phandle to the 0.9v regulator to use for PCIe.