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staging: mt7621-pci: dt-bindings: add perst-gpio to sample bindings 

Both driver and device tree have been updated to use GPIO perst.
Update bindings documentation also.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sergio Paracuellos 2019-06-19 09:44:58 +02:00 committed by Greg Kroah-Hartman
parent fd69d7faae
commit 014860188c
1 changed files with 2 additions and 0 deletions
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drivers/staging/mt7621-pci/mediatek,mt7621-pci.txt
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@ -6,6 +6,7 @@ Required properties:
- reg: Base addresses and lengths of the PCIe subsys and root ports.
- bus-range: Range of bus numbers associated with this controller.
- #address-cells: Address representation for root ports (must be 3)
- perst-gpio: PCIe reset signal line.
- pinctrl-names : The pin control state names.
- pinctrl-0: The "default" pinctrl state.
- #size-cells: Size representation for root ports (must be 2)
@ -48,6 +49,7 @@ Example for MT7621:
#address-cells = <3>;
#size-cells = <2>;
perst-gpio = <&gpio 19 GPIO_ACTIVE_HIGH>;
pinctrl-names = "default";
pinctrl-0 = <&pcie_pins>;