README: replace reference to boards.cfg

[oweals/u-boot.git] / drivers / w1 / Kconfig

diff --git a/drivers/w1/Kconfig b/drivers/w1/Kconfig
index d6e045739d0c42f9818bffe891c8b3a02539f908..031bab25aea077f81516a219ef43b70dba2f4759 100644 (file)
--- a/drivers/w1/Kconfig
+++ b/drivers/w1/Kconfig
@@ -20,6 +20,20 @@ config W1_GPIO
        help
          Emulate a 1-wire bus using a GPIO.
 
+config W1_MXC
+       bool "Enable 1-wire controller on i.MX processors"
+       default no
+       depends on ARCH_MX25 || ARCH_MX31 || ARCH_MX5
+       help
+         Support the one wire controller found in some members of the NXP
+         i.MX SoC family.
+         There are currently two silicon variants:
+         V1: i.MX21, i.MX27, i.MX31, i.MX51
+         V2: i.MX25, i.MX35, i.MX50, i.MX53
+         Newer i.MX SoCs such as the i.MX6 do not have one wire controllers.
+
+         The driver supports both silicon variants.
+
 endif
 
 endmenu