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Date: Mon, 11 Nov 2013 17:09:59 +0000
From: "Khoronzhuk, Ivan" <ivan.khoronzhuk@...com>
To: "Shilimkar, Santosh" <santosh.shilimkar@...com>,
Rob Landley <rob@...dley.net>,
Russell King <linux@....linux.org.uk>
CC: "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
Pawel Moll <pawel.moll@....com>,
Mark Rutland <mark.rutland@....com>,
Rob Herring <rob.herring@...xeda.com>,
Stephen Warren <swarren@...dotorg.org>,
Kumar Gala <galak@...nel.crashing.org>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
"Strashko, Grygorii" <grygorii.strashko@...com>
Subject: [PATCH 09/12] mtd: nand: davinci: reuse driver for Keystone arch
The Keystone arch has compatible nand device, so reuse it.
In case with Keystone it depends on TI_DAVINCI_AEMIF because AEMIF
driver is responsible to set timings.
See http://www.ti.com/lit/ug/sprugz3a/sprugz3a.pdf
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@...com>
---
.../devicetree/bindings/mtd/davinci-nand.txt | 8 +++++---
drivers/mtd/nand/Kconfig | 6 +++---
drivers/mtd/nand/davinci_nand.c | 1 +
3 files changed, 9 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 d885298..62dbcd5 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -492,11 +492,11 @@ 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_DAVINCI_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"
diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c
index 78b8d66..4705214 100644
--- a/drivers/mtd/nand/davinci_nand.c
+++ b/drivers/mtd/nand/davinci_nand.c
@@ -523,6 +523,7 @@ static struct nand_ecclayout hwecc4_2048 __initconst = {
#if defined(CONFIG_OF)
static const struct of_device_id davinci_nand_of_match[] = {
{.compatible = "ti,davinci-nand", },
+ {.compatible = "ti,keystone-nand", },
{},
};
MODULE_DEVICE_TABLE(of, davinci_nand_of_match);
--
1.7.9.5
--
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