diff options
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/Kconfig | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index ab9adbdd6e0..afb4c695294 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -2,7 +2,19 @@ # GPIO infrastructure and drivers # -menu "GPIO Support" +menuconfig GPIO + bool "GPIO support" + default y + help + Enable support for GPIOs (General-purpose Input/Output) in U-Boot. + GPIOs allow U-Boot to read the state of an input line (high or + low) and set the state of an output line. This can be used to + drive LEDs, control power to various system parts and read user + input. GPIOs can be useful to enable a 'sign-of-life' LED, + for example. Enable this option to build the drivers in + drivers/gpio as part of an U-Boot build. + +if GPIO config DM_GPIO bool "Enable Driver Model for GPIO drivers" @@ -503,4 +515,4 @@ config NOMADIK_GPIO into a number of banks each with 32 GPIOs. The GPIOs for a device are defined in the device tree with one node for each bank. -endmenu +endif |