mtd: nand: davinci: reuse driver for Keystone arch
authorIvan Khoronzhuk <ivan.khoronzhuk@ti.com>
Tue, 17 Dec 2013 13:38:12 +0000 (15:38 +0200)
committerBrian Norris <computersforpeace@gmail.com>
Fri, 3 Jan 2014 19:22:26 +0000 (11:22 -0800)
The Keystone arch has compatible nand device, so reuse it.
In case with Keystone it depends on TI_AEMIF because AEMIF
driver is responsible to set timings.

See http://www.ti.com/lit/ug/sprugz3a/sprugz3a.pdf

Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: Taras Kondratiuk <taras@ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Documentation/devicetree/bindings/mtd/davinci-nand.txt
drivers/mtd/nand/Kconfig

index befaa5b..cfb18ab 100644 (file)
@@ -1,14 +1,16 @@
-Device tree bindings for Texas instruments Davinci NAND controller
+Device tree bindings for Texas instruments Davinci/Keystone NAND controller
 
-This file provides information, what the device node for the davinci NAND
-interface contains.
+This file provides information, what the device node for the davinci/keystone
+NAND interface contains.
 
 Documentation:
 Davinci DM646x - http://www.ti.com/lit/ug/sprueq7c/sprueq7c.pdf
+Kestone - http://www.ti.com/lit/ug/sprugz3a/sprugz3a.pdf
 
 Required properties:
 
 - compatible:                  "ti,davinci-nand"
+                               "ti,keystone-nand"
 
 - reg:                         Contains 2 offset/length values:
                                - offset and length for the access window.
index a7808e6..90ff447 100644 (file)
@@ -464,11 +464,11 @@ config MTD_NAND_SH_FLCTL
          for NAND Flash using FLCTL.
 
 config MTD_NAND_DAVINCI
-        tristate "Support NAND on DaVinci SoC"
-        depends on ARCH_DAVINCI
+        tristate "Support NAND on DaVinci/Keystone SoC"
+        depends on ARCH_DAVINCI || (ARCH_KEYSTONE && TI_AEMIF)
         help
          Enable the driver for NAND flash chips on Texas Instruments
-         DaVinci processors.
+         DaVinci/Keystone processors.
 
 config MTD_NAND_TXX9NDFMC
        tristate "NAND Flash support for TXx9 SoC"