2 files changed, 7 insertions, 3 deletions

diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 4c51d2c9acc1..7d0150d20432 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -75,10 +75,12 @@ config MTD_NAND_DENALI_SCRATCH_REG_ADDR
           boards, the scratch register is at 0xFF108018.
 
 config MTD_NAND_GPIO
-        tristate "GPIO NAND Flash driver"
+        tristate "GPIO assisted NAND Flash driver"
         depends on GPIOLIB
         help
-          This enables a GPIO based NAND flash driver.
+          This enables a NAND flash driver where control signals are
+          connected to GPIO pins, and commands and data are communicated
+          via a memory mapped interface.
 
 config MTD_NAND_AMS_DELTA
         tristate "NAND Flash device on Amstrad E3"
diff --git a/drivers/mtd/nand/gpio.c b/drivers/mtd/nand/gpio.c
index 117ce333fdd4..226eda6f2eee 100644
--- a/drivers/mtd/nand/gpio.c
+++ b/drivers/mtd/nand/gpio.c
@@ -8,7 +8,9 @@
  *
  * © 2004 Simtec Electronics
  *
- * Device driver for NAND connected via GPIO
+ * Device driver for NAND flash that uses a memory mapped interface to
+ * read/write the NAND commands and data, and GPIO pins for control signals
+ * (the DT binding refers to this as "GPIO assisted NAND flash")
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as