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| author | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2015-02-24 07:59:38 +0100 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2015-02-24 07:59:38 +0100 |
| commit | e1cc4d31f889428a4ca73120951389c756404184 (patch) | |
| tree | 4a2028c750e19f5d36d0aa7545bda7cbacea9dd4 /drivers/spi/Kconfig | |
| parent | 23d184d2fbc805bdd9fb41f2370cdce04a7894af (diff) | |
| parent | 38dac81b3d0e777f301ca98100bfbcab01d616c2 (diff) | |
Merge remote-tracking branch 'u-boot/master' into 'u-boot-arm/master'
Diffstat (limited to 'drivers/spi/Kconfig')
| -rw-r--r-- | drivers/spi/Kconfig | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index e1678e63e6..7ae2727cf7 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -2,5 +2,11 @@ config DM_SPI bool "Enable Driver Model for SPI drivers" depends on DM help - If you want to use driver model for SPI drivers, say Y. - To use legacy SPI drivers, say N. + Enable driver model for SPI. The SPI slave interface + (spi_setup_slave(), spi_xfer(), etc.) is then implemented by + the SPI uclass. Drivers provide methods to access the SPI + buses that they control. The uclass interface is defined in + include/spi.h. The existing spi_slave structure is attached + as 'parent data' to every slave on each bus. Slaves + typically use driver-private data instead of extending the + spi_slave structure. |