mbox series

[v2,0/2] Add ACSPCIE refclk support on J784S4-EVM

Message ID 20240729092855.1945700-1-s-vadapalli@ti.com (mailing list archive)
Headers show
Series Add ACSPCIE refclk support on J784S4-EVM | expand

Message

Siddharth Vadapalli July 29, 2024, 9:28 a.m. UTC 
Hello,

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

Series is based on linux-next tagged next-20240729.

NOTE: For functionality, this series depends on:
https://lore.kernel.org/r/20240729064012.1915674-1-s-vadapalli@ti.com/

v1:
https://lore.kernel.org/r/20240715120936.1150314-1-s-vadapalli@ti.com/
Changes since v1:
- Patch 1/3 of the v1 series has been posted separately at:
  https://lore.kernel.org/r/20240729064012.1915674-1-s-vadapalli@ti.com/
- Collected Acked-by tag from:
  Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
  for Patch 2/3 of the v1 series which is patch 1/2 of this series:
  https://lore.kernel.org/r/1caa0c9a-1de7-41db-be2b-557b49f4a248@kernel.org/
- Addressed Bjorn's feedback on Patch 3/3 of v1 series at:
  https://lore.kernel.org/r/20240725211841.GA859405@bhelgaas/
  which is patch 2/2 of this series.

This series has been tested on J784S4-EVM with the following
dependencies applied:
1. https://lore.kernel.org/r/20240729064012.1915674-1-s-vadapalli@ti.com/
2. https://lore.kernel.org/r/20240715123301.1184833-1-s-vadapalli@ti.com/
Test Logs with an NVMe SSD connected to the PCIe connector on J784S4-EVM
corresponding to the PCIe1 instance of PCIe:
https://gist.github.com/Siddharth-Vadapalli-at-TI/e54e9126c2fa36c71c40ce7aade57857

Regards,
Siddharth.

Siddharth Vadapalli (2):
  dt-bindings: PCI: ti,j721e-pci-host: Add ACSPCIE proxy control
    property
  PCI: j721e: Enable ACSPCIE Refclk if "ti,syscon-acspcie-proxy-ctrl"
    exists

 .../bindings/pci/ti,j721e-pci-host.yaml       | 10 +++++
 drivers/pci/controller/cadence/pci-j721e.c    | 38 +++++++++++++++++++
 2 files changed, 48 insertions(+)