From mboxrd@z Thu Jan 1 00:00:00 1970 From: miquel.raynal@bootlin.com (Miquel Raynal) Date: Fri, 23 Nov 2018 15:18:25 +0100 Subject: [PATCH 06/12] dt-bindings: PCI: aardvark: describe the reset-gpios property In-Reply-To: <20181123141831.8214-1-miquel.raynal@bootlin.com> References: <20181123141831.8214-1-miquel.raynal@bootlin.com> Message-ID: <20181123141831.8214-7-miquel.raynal@bootlin.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org A GPIO might be used to reset the PCI IP. Describe the property needed in this case. Signed-off-by: Miquel Raynal --- Documentation/devicetree/bindings/pci/aardvark-pci.txt | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/aardvark-pci.txt b/Documentation/devicetree/bindings/pci/aardvark-pci.txt index 310ef7145c47..252934237138 100644 --- a/Documentation/devicetree/bindings/pci/aardvark-pci.txt +++ b/Documentation/devicetree/bindings/pci/aardvark-pci.txt @@ -20,6 +20,10 @@ contain the following properties: define the mapping of the PCIe interface to interrupt numbers. - bus-range: PCI bus numbers covered +The following are optional properties: + + - reset-gpios: GPIO to reset the device + In addition, the Device Tree describing an Aardvark PCIe controller must include a sub-node that describes the legacy interrupt controller built into the PCIe controller. This sub-node must have the following @@ -48,6 +52,7 @@ Example: <0 0 0 2 &pcie_intc 1>, <0 0 0 3 &pcie_intc 2>, <0 0 0 4 &pcie_intc 3>; + reset-gpios = <&gpiosb 3 GPIO_ACTIVE_HIGH>; pcie_intc: interrupt-controller { interrupt-controller; #interrupt-cells = <1>; -- 2.19.1