From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Manikanta Maddireddy Subject: [PATCH 26/30] dt-bindings: pci: tegra: Document nvidia,plat-gpios optional prop Date: Thu, 11 Apr 2019 22:33:51 +0530 Message-ID: <20190411170355.6882-27-mmaddireddy@nvidia.com> In-Reply-To: <20190411170355.6882-1-mmaddireddy@nvidia.com> References: <20190411170355.6882-1-mmaddireddy@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain To: thierry.reding@gmail.com, bhelgaas@google.com, robh+dt@kernel.org, mark.rutland@arm.com, jonathanh@nvidia.com, lorenzo.pieralisi@arm.com, vidyas@nvidia.com Cc: linux-tegra@vger.kernel.org, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, Manikanta Maddireddy List-ID: Document "nvidia,plat-gpios" optional property which supports configuring of platform specific gpios. Signed-off-by: Manikanta Maddireddy --- Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt b/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt index fbbd3bcb3435..dca8393b86d1 100644 --- a/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt +++ b/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt @@ -73,6 +73,8 @@ Optional properties: pinctrl phandle to allow driver to explicitly put PCIe IO in DPD state. - pinctrl-1: PCIe IO(bias & REFCLK) deep power down(DPD) enable state. Pass pinctrl phandle to allow driver bring PCIe IO out of DPD state. +- nvidia,plat-gpios: A list of platform specific gpios which controls + endpoint's internal regulator or PCIe logic. Required properties on Tegra124 and later (deprecated): - phys: Must contain an entry for each entry in phy-names. @@ -567,6 +569,7 @@ Board DTS: pci@2,0 { phys = <&{/padctl@7009f000/pads/pcie/lanes/pcie-4}>; phy-names = "pcie-0"; + nvidia,plat-gpios = <&gpio TEGRA_GPIO(X, 3) GPIO_ACTIVE_HIGH>; status = "okay"; }; }; -- 2.17.1