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Synopsys DesignWare core based PCIe controllers in Tegra 194 SoC interface with Universal PHY (UPHY) module through a PIPE2UPHY (P2U) module. For each PCIe lane of a controller, there is a P2U unit instantiated at hardware level. This driver provides support for the programming required for each P2U that is going to be used for a PCIe controller. Signed-off-by: Vidya Sagar <vidyas@nvidia.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Acked-by: Kishon Vijay Abraham I <kishon@ti.com> Acked-by: Thierry Reding <treding@nvidia.com>
16 lines
526 B
Text
16 lines
526 B
Text
# SPDX-License-Identifier: GPL-2.0-only
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config PHY_TEGRA_XUSB
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tristate "NVIDIA Tegra XUSB pad controller driver"
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depends on ARCH_TEGRA
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help
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Choose this option if you have an NVIDIA Tegra SoC.
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To compile this driver as a module, choose M here: the module will
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be called phy-tegra-xusb.
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config PHY_TEGRA194_P2U
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tristate "NVIDIA Tegra194 PIPE2UPHY PHY driver"
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depends on ARCH_TEGRA_194_SOC || COMPILE_TEST
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select GENERIC_PHY
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help
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Enable this to support the P2U (PIPE to UPHY) that is part of Tegra 19x SOCs.
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