From mboxrd@z Thu Jan 1 00:00:00 1970 From: Miquel Raynal Subject: [PATCH v3 11/15] dt-bindings: PCI: aardvark: Describe the reset-gpios property Date: Tue, 8 Jan 2019 17:24:36 +0100 Message-ID: <20190108162441.5278-12-miquel.raynal@bootlin.com> References: <20190108162441.5278-1-miquel.raynal@bootlin.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190108162441.5278-1-miquel.raynal@bootlin.com> Sender: linux-kernel-owner@vger.kernel.org To: Gregory Clement , Jason Cooper , Andrew Lunn , Sebastian Hesselbarth , Thomas Petazzoni , Bjorn Helgaas Cc: devicetree@vger.kernel.org, Rob Herring , Mark Rutland , Lorenzo Pieralisi , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Antoine Tenart , Maxime Chevallier , Nadav Haklai , Miquel Raynal List-Id: devicetree@vger.kernel.org A GPIO might be used to reset the PCI IP. Describe the property needed in this case. Signed-off-by: Miquel Raynal Reviewed-by: Rob Herring --- Documentation/devicetree/bindings/pci/aardvark-pci.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/aardvark-pci.txt b/Documentation/devicetree/bindings/pci/aardvark-pci.txt index 8b7f048705ec..b47d6d608ae1 100644 --- a/Documentation/devicetree/bindings/pci/aardvark-pci.txt +++ b/Documentation/devicetree/bindings/pci/aardvark-pci.txt @@ -27,6 +27,8 @@ The following are optional properties: - pinctrl-names: must be "default". - pinctrl-0: pin control group to be used to mux the PCIe endpoint card reset line so that it will be automatically driven by the PCIe IP. + - reset-gpios: GPIO to reset the device (alternative to the above + entries that represent a pin controlled by the PCI IP itself). In addition, the Device Tree describing an Aardvark PCIe controller must include a sub-node that describes the legacy interrupt controller -- 2.19.1