Hi Adam, On Sat, 13 Jul 2019 at 06:52, Adam Ford <aford...@gmail.com> wrote: > > I am trying to improve the OMAP EHCI driver. Currently, I pushed a > pending patch which loads a USB host controller device which contains > several child nodes. > > We search the child nodes to find the compatible flag, then grab the > address of that node and initialize the corresponding EHCI controller. > I do this because we need some of the info from the parent combined > with data from the child to work.
But you should be able to use a driver for the compatible string. The driver can access its parent. Best to let DM bind your drivers if you can. > > What I'm trying to do is enhance the feature to support a nop-phy, but > to get the phy, I call generic_phy_get_by_index(struct udevice *,...) > where dev points to the parent and not the child. > > I have an ofnode pointing to the child, but I need to somehow convert > the ofnode to a udevice so the phy_get_by_index can search the correct > location for the phy list. Any suggestions? > There is device_find_global_by_ofnode() but it is slow. If you know the uclass you can use uclass_get_device_by_ofnode(). > My origin patch lacking the phy reference is located: > https://patchwork.ozlabs.org/patch/1125016/ > > adam Regards, Simon _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot