[PATCH v3 8/9] mtd: nand: davinci: reuse driver for Keystone arch

[Ivan Khoronzhuk]

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@xxxxxx>
Reviewed-by: Taras Kondratiuk <taras@xxxxxx>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@xxxxxx>
---
 .../devicetree/bindings/mtd/davinci-nand.txt       |    8 +++++---
 drivers/mtd/nand/Kconfig                           |    6 +++---
 2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/Documentation/devicetree/bindings/mtd/davinci-nand.txt b/Documentation/devicetree/bindings/mtd/davinci-nand.txt
index befaa5b..cfb18ab 100644
--- a/Documentation/devicetree/bindings/mtd/davinci-nand.txt
+++ b/Documentation/devicetree/bindings/mtd/davinci-nand.txt
@@ -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.
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 93ae6a6..35f3ea3 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -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"
-- 
1.7.9.5

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