| /* 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_ */ |
