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[0/3] Add support for ACSPCIE refclk output on J784S4-EVM

Message ID 20240715120936.1150314-1-s-vadapalli@ti.com
Headers show
Series Add support for ACSPCIE refclk output on J784S4-EVM | expand

Message

Siddharth Vadapalli July 15, 2024, 12:09 p.m. UTC 
Hello,

This series adds support to drive out the reference clock required by
the PCIe Endpoint device using the ACSPCIE buffer.

Series is based on linux-next tagged next-20240715.

Series has been tested with the following device-tree change:
https://gist.github.com/Siddharth-Vadapalli-at-TI/8206ea3a89753c309e4c82d825c75dae
on J784S4-EVM with an NVMe SSD connected to the PCIe connector
corresponding to the PCIe1 instance of PCIe. Logs:
https://gist.github.com/Siddharth-Vadapalli-at-TI/d825068cfe55bba7a869469c1ef64ddd

Regards,
Siddharth.

Siddharth Vadapalli (3):
  dt-bindings: mfd: syscon: Add ti,j784s4-acspcie-proxy-ctrl compatible
  dt-bindings: PCI: ti,j721e-pci-host: Add ACSPCIE proxy control
    property
  PCI: j721e: Add support for enabling ACSPCIE PAD IO Buffer output

 .../devicetree/bindings/mfd/syscon.yaml       |  1 +
 .../bindings/pci/ti,j721e-pci-host.yaml       | 10 ++++++
 drivers/pci/controller/cadence/pci-j721e.c    | 33 +++++++++++++++++++
 3 files changed, 44 insertions(+)