diff --git a/drivers/staging/iio/adc/Kconfig b/drivers/staging/iio/adc/Kconfig
index ec006e749ffe..9ae5467ca420 100644
--- a/drivers/staging/iio/adc/Kconfig
+++ b/drivers/staging/iio/adc/Kconfig
@@ -195,12 +195,14 @@ config MAX1363_RING_BUFFER
 
 config LPC32XX_ADC
 	tristate "NXP LPC32XX ADC"
-	depends on ARCH_LPC32XX && !TOUCHSCREEN_LPC32XX
+	depends on ARCH_LPC32XX
 	help
 	  Say yes here to build support for the integrated ADC inside the
 	  LPC32XX SoC. Note that this feature uses the same hardware as the
-	  touchscreen driver, so you can only select one of the two drivers
-	  (lpc32xx_adc or lpc32xx_ts). Provides direct access via sysfs.
+	  touchscreen driver, so you should either select only one of the two
+	  drivers (lpc32xx_adc or lpc32xx_ts) or, in the OpenFirmware case,
+	  activate only one via device tree selection.  Provides direct access
+	  via sysfs.
 
 config SPEAR_ADC
 	tristate "ST SPEAr ADC"