/* SPDX-License-Identifier: GPL-2.0+ */ /* * (C) Copyright 2017 * Mario Six, Guntermann & Drunck GmbH, mario.six@gdsys.cc */ #ifndef _GDSYS_SOC_H_ #define _GDSYS_SOC_H_ /** * gdsys_soc_get_fpga() - Retrieve pointer to parent bus' FPGA device * @child: The child device on the FPGA bus needing access to the FPGA. * @fpga: Pointer to the retrieved FPGA device. * * To access their register maps, devices on gdsys soc buses usually have * facilitate the accessor function of the IHS FPGA their parent bus is * attached to. To access the FPGA device from within the bus' children, this * function returns a pointer to it. * * Return: 0 on success, -ve on failure */ int gdsys_soc_get_fpga(struct udevice *child, struct udevice **fpga); #endif /* _GDSYS_SOC_H_ */