[PATCH v7 0/9] Enhancements to pcie-tegra194 driver

[Manikanta Maddireddy <mmaddireddy@nvidia.com>]

This series[1] was originally posted by Vidya Sagar, and I have rebased
it onto 6.19.0-rc6-next. I addressed review comments and split this into
two series, one for fixes and the other is for enhancements(current).
I verified these patches on Jetson AGX Orin(Tegra234 SoC).

Disabling L1SS capability based on support-clkreq device tree property
is moved to common DWC driver, so I reworked below patch to disable
just L1.2 capability on Tegra234 SoC.
 - PCI: tegra194: Disable L1.2 capability of Tegra234 EP

I added below new patch to tune the ASPM parameters, commit message of the
patch has the details on the bug and fix.
 - PCI: tegra194: Add ASPM L1 entrance latency config

I added more context in the commit message for below patch based on review
comment in V3.
 - PCI: tegra194: Remove IRQF_ONESHOT flag during Endpoint interrupt registration

Rest of the patches are same as the original V3 series, just rebased them on
6.19.0-rc6-next and fixed minor comments.

Manikanta Maddireddy (1):
  PCI: tegra194: Add ASPM L1 entrance latency config

Vidya Sagar (8):
  PCI: tegra194: Drive CLKREQ# signal low explicitly
  PCI: tegra194: Calibrate P2U for Endpoint mode
  PCI: tegra194: Remove IRQF_ONESHOT flag during Endpoint interrupt
    registration
  PCI: tegra194: Enable DMA interrupt
  PCI: tegra194: Enable hardware hot reset mode in Endpoint
  PCI: tegra194: Disable L1.2 capability of Tegra234 EP
  dt-bindings: PCI: tegra194: Add monitor clock support
  PCI: tegra194: Add core monitor clock support

 .../bindings/pci/nvidia,tegra194-pcie-ep.yaml |  6 +-
 .../bindings/pci/nvidia,tegra194-pcie.yaml    |  6 +-
 drivers/pci/controller/dwc/pcie-tegra194.c    | 67 ++++++++++++++++++-
 3 files changed, 76 insertions(+), 3 deletions(-)

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2.34.1