diff options
Diffstat (limited to 'include/spi.h')
| -rw-r--r-- | include/spi.h | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/include/spi.h b/include/spi.h index e2563c99f..aba792244 100644 --- a/include/spi.h +++ b/include/spi.h @@ -259,13 +259,24 @@ static inline int spi_w8r8(struct spi_slave *slave, unsigned char byte) * spi_free_slave() to free it later. * * @param blob: Device tree blob - * @param node: SPI peripheral node to use - * @param cs: Chip select to use - * @param max_hz: Maximum SCK rate in Hz (0 for default) - * @param mode: Clock polarity, clock phase and other parameters + * @param slave_node: Slave node to use + * @param spi_node: SPI peripheral node to use * @return pointer to new spi_slave structure */ -struct spi_slave *spi_setup_slave_fdt(const void *blob, int node, - unsigned int cs, unsigned int max_hz, unsigned int mode); +struct spi_slave *spi_setup_slave_fdt(const void *blob, int slave_node, + int spi_node); + +/** + * spi_base_setup_slave_fdt() - helper function to set up a SPI slace + * + * This decodes SPI properties from the slave node to determine the + * chip select and SPI parameters. + * + * @blob: Device tree blob + * @busnum: Bus number to use + * @node: Device tree node for the SPI bus + */ +struct spi_slave *spi_base_setup_slave_fdt(const void *blob, int busnum, + int node); #endif /* _SPI_H_ */ |