lpc32xx: add GPIO support

[karo-tx-uboot.git] / drivers / gpio / Kconfig

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index d21302f8da95316cdf7891556a73bb0de576b8e1..7b5178a23a4f623b8fddc3ea2520bf9c4fca2d5f 100644 (file)
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -2,5 +2,15 @@ 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.
+
+config LPC32XX_GPIO
+       bool "LPC32XX GPIO driver"
+       depends on DM
+       default n
+       help
+         Support for the LPC32XX GPIO driver.