On 01-05-19, 17:19, Bjorn Andersson wrote: > The QCS404 platform contains a PCIe controller of version 2.4.0 and a > Qualcomm PCIe2 PHY. The driver already supports version 2.4.0, for the > IPQ4019, but this support touches clocks and resets related to the PHY > as well, and there's no upstream driver for the PHY. > > On QCS404 we must initialize the PHY, so a separate PHY driver is > implemented to take care of this and the controller driver is updated to > not require the PHY related resources. This is done by relying on the > fact that operations in both the clock and reset framework are nops when > passed NULL, so we can isolate this change to only the get_resource > function. > > For QCS404 we also need to enable the AHB (iface) clock, in order to > access the register space of the controller, but as this is not part of > the IPQ4019 DT binding this is only added for new users of the 2.4.0 > controller. Reviewed-by: Vinod Koul <vkoul@xxxxxxxxxx> -- ~Vinod
