diff options
Diffstat (limited to 'include/spi.h')
| -rw-r--r-- | include/spi.h | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/include/spi.h b/include/spi.h index fa9ab12..9a8c1fb 100644 --- a/include/spi.h +++ b/include/spi.h @@ -572,6 +572,23 @@ int spi_find_bus_and_cs(int busnum, int cs, struct udevice **busp, * Given a bus number and chip select, this finds the corresponding bus * device and slave device. * + * @busnum: SPI bus number + * @cs: Chip select to look for + * @busp: Returns bus device + * @devp: Return slave device + * @return 0 if found, -ve on error + */ +int spi_get_bus_and_cs(int busnum, int cs, + struct udevice **busp, struct spi_slave **devp); + +/** + * _spi_get_bus_and_cs() - Find and activate bus and slave devices by number + * As spi_flash_probe(), This is an old-style function. We should remove + * it when all SPI flash drivers use dm + * + * Given a bus number and chip select, this finds the corresponding bus + * device and slave device. + * * If no such slave exists, and drv_name is not NULL, then a new slave device * is automatically bound on this chip select with requested speed and mode. * @@ -588,7 +605,7 @@ int spi_find_bus_and_cs(int busnum, int cs, struct udevice **busp, * @devp: Return slave device * Return: 0 if found, -ve on error */ -int spi_get_bus_and_cs(int busnum, int cs, int speed, int mode, +int _spi_get_bus_and_cs(int busnum, int cs, int speed, int mode, const char *drv_name, const char *dev_name, struct udevice **busp, struct spi_slave **devp); |