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authorShawn Guo <shawn.guo@linaro.org>2018-03-02 04:12:01 +0300
committerLorenzo Pieralisi <lorenzo.pieralisi@arm.com>2018-03-07 19:24:27 +0300
commit58dfb24349e1d0aa6461d2b0f2811b46fe350280 (patch)
tree93ae2e1c48dfb25305d015c2745e269f804dc8be /Documentation/devicetree/bindings/pci
parentdb0c25f8aadad8f0be1c6986cf1dcf874d40d79b (diff)
downloadlinux-58dfb24349e1d0aa6461d2b0f2811b46fe350280.tar.xz
PCI: histb: Add an optional regulator for PCIe port power control
The power supplies to PCIe port are often controlled by GPIO on some board designs. Let's add an optional regulator which can be backed by GPIO to control the power. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Acked-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/pci')
-rw-r--r--Documentation/devicetree/bindings/pci/hisilicon-histb-pcie.txt1
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pci/hisilicon-histb-pcie.txt b/Documentation/devicetree/bindings/pci/hisilicon-histb-pcie.txt
index c84bc027930b..760b4d740616 100644
--- a/Documentation/devicetree/bindings/pci/hisilicon-histb-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/hisilicon-histb-pcie.txt
@@ -34,6 +34,7 @@ Required properties
Optional properties:
- reset-gpios: The gpio to generate PCIe PERST# assert and deassert signal.
+- vpcie-supply: The regulator in charge of PCIe port power.
- phys: List of phandle and phy mode specifier, should be 0.
- phy-names: Must be "phy".