On Thu, 5 Dec 2024 at 06:54, Miquel Raynal <[email protected]> wrote: > > There are already several helpers to find a udevice based on its > position in a device tree, like getting a child or a node pointed by a > phandle, but there was no support for graph endpoints, which are very > common in display pipelines. > > Add a new helper, named uclass_get_device_by_endpoint() which enters the > child graph reprensentation, looks for a specific port, then follows the > remote endpoint, and finally retrieves the first parent of the given > uclass_id. > > This is a very handy and straightforward way to get a bridge or a panel > handle. > > Signed-off-by: Miquel Raynal <[email protected]> > --- > drivers/core/uclass.c | 62 > +++++++++++++++++++++++++++++++++++++++++++++++++++ > include/dm/uclass.h | 21 +++++++++++++++++ > 2 files changed, 83 insertions(+)
Reviewed-by: Simon Glass <[email protected]>
