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| author |   Sergio Paracuellos <sergio.paracuellos@gmail.com> | 2020-03-13 21:09:11 +0100 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-03-17 12:53:07 +0100 |
| commit | 2a1cd3a8b723f8114983b6a8354ddb9981ec2384 (patch) | |
| tree | 2e19a45639b35134a1ccfb84ee00cdddc3070c34 /drivers/staging/mt7621-pci | |
| parent | staging: mt7621-dts: make use of 'reset-gpios' property for pci (diff) | |
| download | linux-dev-2a1cd3a8b723f8114983b6a8354ddb9981ec2384.tar.xz linux-dev-2a1cd3a8b723f8114983b6a8354ddb9981ec2384.zip | |
staging: mt7621-pci: bindings: update doc accordly to last changes
Properly update bindings documentation with added 'reset-gpios'
property. Delete also 'perst-gpio' which is not being used anymore.
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Link: https://lore.kernel.org/r/20200313200913.24321-5-sergio.paracuellos@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/mt7621-pci')
| -rw-r--r-- | drivers/staging/mt7621-pci/mediatek,mt7621-pci.txt | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/staging/mt7621-pci/mediatek,mt7621-pci.txt b/drivers/staging/mt7621-pci/mediatek,mt7621-pci.txt index 604ec813bd45..327a68267309 100644 --- a/drivers/staging/mt7621-pci/mediatek,mt7621-pci.txt +++ b/drivers/staging/mt7621-pci/mediatek,mt7621-pci.txt @@ -6,7 +6,6 @@ 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) @@ -24,6 +23,7 @@ Required properties: See ../clocks/clock-bindings.txt for details. - clock-names: Must be "pcie0", "pcie1", "pcieN"... based on the number of root ports. +- reset-gpios: GPIO specs for the reset pins. In addition, the device tree node must have sub-nodes describing each PCIe port interface, having the following mandatory properties: @@ -49,7 +49,6 @@ Example for MT7621: #address-cells = <3>; #size-cells = <2>; - perst-gpio = <&gpio 19 GPIO_ACTIVE_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&pcie_pins>; @@ -74,6 +73,10 @@ Example for MT7621: clocks = <&clkctrl 24 &clkctrl 25 &clkctrl 26>; clock-names = "pcie0", "pcie1", "pcie2"; + reset-gpios = <&gpio 19 GPIO_ACTIVE_LOW>, + <&gpio 8 GPIO_ACTIVE_LOW>, + <&gpio 7 GPIO_ACTIVE_LOW>; + pcie@0,0 { reg = <0x0000 0 0 0 0>; #address-cells = <3>; |