diff options
Diffstat (limited to 'include/spi.h')
| -rw-r--r-- | include/spi.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/spi.h b/include/spi.h index aa0a48e..5975cda 100644 --- a/include/spi.h +++ b/include/spi.h @@ -534,6 +534,16 @@ int spi_get_bus_and_cs(int busnum, int cs, int speed, int mode, int spi_chip_select(struct udevice *slave); /** + * spi_find_chip_select() - Find the slave attached to chip select + * + * @bus: SPI bus to search + * @cs: Chip select to look for + * @devp: Returns the slave device if found + * @return 0 if found, -ENODEV on error + */ +int spi_find_chip_select(struct udevice *bus, int cs, struct udevice **devp); + +/** * spi_bind_device() - bind a device to a bus's chip select * * This binds a new device to an given chip select (which must be unused). |