From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Wed, 1 May 2019 14:58:04 -0500 From: Rob Herring Subject: Re: [PATCH V2 26/28] dt-bindings: pci: tegra: Document reset-gpio optional prop Message-ID: <20190501195804.GA16435@bogus> References: <20190423092825.759-1-mmaddireddy@nvidia.com> <20190423092825.759-27-mmaddireddy@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190423092825.759-27-mmaddireddy@nvidia.com> To: Manikanta Maddireddy Cc: thierry.reding@gmail.com, bhelgaas@google.com, mark.rutland@arm.com, jonathanh@nvidia.com, lorenzo.pieralisi@arm.com, vidyas@nvidia.com, linux-tegra@vger.kernel.org, linux-pci@vger.kernel.org, devicetree@vger.kernel.org List-ID: On Tue, Apr 23, 2019 at 02:58:23PM +0530, Manikanta Maddireddy wrote: > Document "reset-gpio" optional property which supports GPIO based PERST# > signal. > > Signed-off-by: Manikanta Maddireddy > --- > V2: Using standard "reset-gpio" property > > .../devicetree/bindings/pci/nvidia,tegra20-pcie.txt | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt b/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt > index 7939bca47861..4e75e017f660 100644 > --- a/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt > +++ b/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt > @@ -162,6 +162,10 @@ Required properties: > - Root port 0 uses 4 lanes, root port 1 is unused. > - Both root ports use 2 lanes. > > +Optional properties: > +- reset-gpio: If GPIO is used as PERST# signal instead of available > + SFIO, add this property with phandle to GPIO controller and GPIO number. 'reset-gpios' is the preferred form. This is already defined in several other drivers. Perhaps document in a common location and also parse the property in common code. Rob