Re: [PATCH V5 0/5] Add support for PCIe endpoint mode in Tegra194

From: Lorenzo Pieralisi
Date: Wed Mar 11 2020 - 06:52:19 EST


On Tue, Mar 03, 2020 at 11:40:47PM +0530, Vidya Sagar wrote:
> Tegra194 has three (C0, C4 & C5) dual mode PCIe controllers that can operate
> either in root port mode or in end point mode but only in one mode at a time.
> Platform P2972-0000 supports enabling endpoint mode for C5 controller. This
> patch series adds support for PCIe endpoint mode in both the driver as well as
> in DT.
> This patch series depends on the changes made for Synopsys DesignWare endpoint
> mode subsystem that are recently accepted.
> @ https://patchwork.kernel.org/project/linux-pci/list/?series=202211
> which in turn depends on the patch made by Kishon
> @ https://patchwork.kernel.org/patch/10975123/
> which is also under review.
>
> V5:
> * Rebased patch-2 on top of Lorenzo's pci/endpoint branch
> * Removed unwanted header files inclusion in patch-5

Applied patches 1,2,5 to pci/endpoint for v5.7, please let me know
if something is missing.

Thanks,
Lorenzo

> V4:
> * Started using threaded irqs instead of kthreads
>
> V3:
> * Re-ordered patches in the series to make the driver change as the last patch
> * Took care of Thierry's review comments
>
> V2:
> * Addressed Thierry & Bjorn's review comments
> * Added EP mode specific binding documentation to already existing binding documentation file
> * Removed patch that enables GPIO controller nodes explicitly as they are enabled already
>
> Vidya Sagar (5):
> soc/tegra: bpmp: Update ABI header
> dt-bindings: PCI: tegra: Add DT support for PCIe EP nodes in Tegra194
> arm64: tegra: Add PCIe endpoint controllers nodes for Tegra194
> arm64: tegra: Add support for PCIe endpoint mode in P2972-0000
> platform
> PCI: tegra: Add support for PCIe endpoint mode in Tegra194
>
> .../bindings/pci/nvidia,tegra194-pcie.txt | 125 +++-
> .../boot/dts/nvidia/tegra194-p2972-0000.dts | 18 +
> arch/arm64/boot/dts/nvidia/tegra194.dtsi | 99 +++
> drivers/pci/controller/dwc/Kconfig | 30 +-
> drivers/pci/controller/dwc/pcie-tegra194.c | 679 +++++++++++++++++-
> include/soc/tegra/bpmp-abi.h | 10 +-
> 6 files changed, 916 insertions(+), 45 deletions(-)
>
> --
> 2.17.1
>