diff options
| author | Stefano Babic <sbabic@denx.de> | 2015-03-02 09:42:53 +0100 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2015-03-02 09:42:53 +0100 |
| commit | b9cb64825b5e6efeb715abd8b48d9b12f98973e9 (patch) | |
| tree | d70d73a986308dee88474572006f5c60b10749be /drivers/gpio/Kconfig | |
| parent | 4579dc37c3cce36d9521c26c6e82881393ec769e (diff) | |
| parent | 1606b34aa50804227806971dbb6b82ea0bf81f55 (diff) | |
Merge branch 'master' of git://git.denx.de/u-boot
Diffstat (limited to 'drivers/gpio/Kconfig')
| -rw-r--r-- | drivers/gpio/Kconfig | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index d21302f8da9..b609e73bbaf 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -2,5 +2,8 @@ config DM_GPIO bool "Enable Driver Model for GPIO drivers" depends on DM help - If you want to use driver model for GPIO drivers, say Y. - To use legacy GPIO drivers, say N. + Enable driver model for GPIO access. The standard GPIO + interface (gpio_get_value(), etc.) is then implemented by + the GPIO uclass. Drivers provide methods to query the + particular GPIOs that they provide. The uclass interface + is defined in include/asm-generic/gpio.h. |