| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright 2017 Google Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #ifndef __DEVICE_SPI_H__ |
| #define __DEVICE_SPI_H__ |
| |
| struct device; |
| struct spi_bus_operations { |
| /* |
| * This is a SoC-specific method that can be provided to translate the |
| * 'struct device' for a SPI controller into a unique SPI bus |
| * number. Returns -1 if the bus number for this bus cannot be |
| * determined. |
| */ |
| int (*dev_to_bus)(struct device *dev); |
| }; |
| |
| #endif /* __DEVICE_SPI_H__ */ |