of: add helper for getting endpoint node of specific identifiers
When there are multiple ports or multiple endpoints in a port, they have to be distinguished by the value of reg property. It is common. The drivers can get the specific endpoint in the specific port via this function. Now the drivers have to implement this code in themselves or have to force the order of dt nodes to get the right node. Signed-off-by:Hyungwon Hwang <human.hwang@samsung.com> Acked-by:
Rob Herring <robh+dt@kernel.org> Signed-off-by:
Inki Dae <inki.dae@samsung.com>
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