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Date: Wed, 22 May 2019 14:29:46 +0530 From: Vidya Sagar <vidyas@...dia.com> To: Thierry Reding <thierry.reding@...il.com> CC: <lorenzo.pieralisi@....com>, <bhelgaas@...gle.com>, <robh+dt@...nel.org>, <mark.rutland@....com>, <jonathanh@...dia.com>, <kishon@...com>, <catalin.marinas@....com>, <will.deacon@....com>, <jingoohan1@...il.com>, <gustavo.pimentel@...opsys.com>, <mperttunen@...dia.com>, <linux-pci@...r.kernel.org>, <devicetree@...r.kernel.org>, <linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, <kthota@...dia.com>, <mmaddireddy@...dia.com>, <sagar.tv@...il.com> Subject: Re: [PATCH V7 13/15] phy: tegra: Add PCIe PIPE2UPHY support On 5/21/2019 4:30 PM, Thierry Reding wrote: > On Fri, May 17, 2019 at 06:08:44PM +0530, Vidya Sagar wrote: >> 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@...dia.com> >> --- >> Changes since [v6]: >> * None >> >> Changes since [v5]: >> * Addressed review comments from Thierry >> >> Changes since [v4]: >> * None >> >> Changes since [v3]: >> * Rebased on top of linux-next top of the tree >> >> Changes since [v2]: >> * Replaced spaces with tabs in Kconfig file >> * Sorted header file inclusion alphabetically >> >> Changes since [v1]: >> * Added COMPILE_TEST in Kconfig >> * Removed empty phy_ops implementations >> * Modified code according to DT documentation file modifications >> >> drivers/phy/tegra/Kconfig | 7 ++ >> drivers/phy/tegra/Makefile | 1 + >> drivers/phy/tegra/pcie-p2u-tegra194.c | 109 ++++++++++++++++++++++++++ >> 3 files changed, 117 insertions(+) >> create mode 100644 drivers/phy/tegra/pcie-p2u-tegra194.c >> >> diff --git a/drivers/phy/tegra/Kconfig b/drivers/phy/tegra/Kconfig >> index a3b1de953fb7..06d423fa85b4 100644 >> --- a/drivers/phy/tegra/Kconfig >> +++ b/drivers/phy/tegra/Kconfig >> @@ -6,3 +6,10 @@ config PHY_TEGRA_XUSB >> >> To compile this driver as a module, choose M here: the module will >> be called phy-tegra-xusb. >> + >> +config PHY_TEGRA194_PCIE_P2U >> + tristate "NVIDIA Tegra P2U PHY Driver" > > One more thing: perhaps make this description consistent with the driver > description in the source file. Done. > > Thierry >
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