Hi, On Fri, 26 Apr 2024 11:51:41 +0200 Luca Ceresoli <luca.ceresoli@xxxxxxxxxxx> wrote: ... > One use case is for the LAN966x, a classic SoC that can be however be > started in "endpoint mode", i.e. with the CPU cores deactivated and a > PCI endpoint that allows an external CPU to access all the peripherals > over PCIe. In practice the whole SoC would be used as a peripheral chip > providing lots of devices for another SoC where the OS runs. This use > case has been described by Rob Herring and Lizhi Hou at LPC 2023 [4][5]. > FYI, I sent upstream the first iteration of the series adding minimal support the LAN966x PCI device driver. https://lore.kernel.org/lkml/20240430083730.134918-1-herve.codina@xxxxxxxxxxx/ This driver binds on the LAN996x PCI VID/PID, and when probed, loads a DT overlay to instantiates all internal devices re-using all existing drivers with no change. Best regards, Hervé
