From 5992b044989daf281a2ab78b2e841cd6bd51d93a Mon Sep 17 00:00:00 2001 From: Manikanta Maddireddy <mmaddireddy@nvidia.com> Date: Tue, 18 Jun 2019 23:32:01 +0530 Subject: [PATCH] dt-bindings: pci: tegra: Document PCIe DPD pinctrl optional prop Document PCIe DPD pinctrl optional property to put PEX clk & BIAS pads in low power mode. Signed-off-by: Manikanta Maddireddy <mmaddireddy@nvidia.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Reviewed-by: Rob Herring <robh@kernel.org> Acked-by: Thierry Reding <treding@nvidia.com> --- .../devicetree/bindings/pci/nvidia,tegra20-pcie.txt | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt b/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt index 145a4f04194fa..7939bca478612 100644 --- a/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt +++ b/Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt @@ -65,6 +65,14 @@ Required properties: - afi - pcie_x +Optional properties: +- pinctrl-names: A list of pinctrl state names. Must contain the following + entries: + - "default": active state, puts PCIe I/O out of deep power down state + - "idle": puts PCIe I/O into deep power down state +- pinctrl-0: phandle for the default/active state of pin configurations. +- pinctrl-1: phandle for the idle state of pin configurations. + Required properties on Tegra124 and later (deprecated): - phys: Must contain an entry for each entry in phy-names. - phy-names: Must include the following entries: