diff options
Diffstat (limited to 'include/spi.h')
| -rw-r--r-- | include/spi.h | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/include/spi.h b/include/spi.h index 6b42b3e..e81f799 100644 --- a/include/spi.h +++ b/include/spi.h @@ -39,9 +39,22 @@ #define SPI_DEFAULT_WORDLEN 8 -/* TODO(sjg@chromium.org): Remove this and use max_hz from struct spi_slave */ +/** + * struct dm_spi_bus - SPI bus info + * + * This contains information about a SPI bus. To obtain this structure, use + * dev_get_uclass_priv(bus) where bus is the SPI bus udevice. + * + * @max_hz: Maximum speed that the bus can tolerate. + * @speed: Current bus speed. This is 0 until the bus is first claimed. + * @mode: Current bus mode. This is 0 until the bus is first claimed. + * + * TODO(sjg@chromium.org): Remove this and use max_hz from struct spi_slave. + */ struct dm_spi_bus { uint max_hz; + uint speed; + uint mode; }; /** @@ -112,11 +125,9 @@ enum spi_polarity { * * @dev: SPI slave device * @max_hz: Maximum speed for this slave - * @speed: Current bus speed. This is 0 until the bus is first - * claimed. * @bus: ID of the bus that the slave is attached to. For * driver model this is the sequence number of the SPI - * bus (bus->seq) so does not need to be stored + * bus (dev_seq(bus)) so does not need to be stored * @cs: ID of the chip select connected to the slave. * @mode: SPI mode to use for this slave (see SPI mode flags) * @wordlen: Size of SPI word in number of bits @@ -131,7 +142,6 @@ struct spi_slave { #if CONFIG_IS_ENABLED(DM_SPI) struct udevice *dev; /* struct spi_slave is dev->parentdata */ uint max_hz; - uint speed; #else unsigned int bus; unsigned int cs; |