From: Roger Quadros <rogerq@ti.com>
To: tony@atomide.com
Cc: linux-omap@vger.kernel.org, devicetree@vger.kernel.org,
Roger Quadros <rogerq@ti.com>
Subject: [PATCH] ARM: dts: omap3-beagle: Add NAND device
Date: Fri, 6 Mar 2015 17:10:05 +0200 [thread overview]
Message-ID: <1425654605-5752-1-git-send-email-rogerq@ti.com> (raw)
The beagle board contains a 16-bit NAND device connected to
chip select 0 of the GPMC controller.
Signed-off-by: Roger Quadros <rogerq@ti.com>
---
arch/arm/boot/dts/omap3-beagle.dts | 52 ++++++++++++++++++++++++++++++++++++++
1 file changed, 52 insertions(+)
diff --git a/arch/arm/boot/dts/omap3-beagle.dts b/arch/arm/boot/dts/omap3-beagle.dts
index c792391..bf28502 100644
--- a/arch/arm/boot/dts/omap3-beagle.dts
+++ b/arch/arm/boot/dts/omap3-beagle.dts
@@ -379,3 +379,55 @@
};
};
};
+
+&gpmc {
+ status = "ok";
+ ranges = <0 0 0x30000000 0x1000000>; /* CS0 space, 16MB */
+
+ /* Chip select 0 */
+ nand@0,0 {
+ reg = <0 0 4>; /* NAND I/O window, 4 bytes */
+ interrupts = <20>;
+ ti,nand-ecc-opt = "ham1";
+ nand-bus-width = <16>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ gpmc,device-width = <2>;
+ gpmc,cs-on-ns = <0>;
+ gpmc,cs-rd-off-ns = <36>;
+ gpmc,cs-wr-off-ns = <36>;
+ gpmc,adv-on-ns = <6>;
+ gpmc,adv-rd-off-ns = <24>;
+ gpmc,adv-wr-off-ns = <36>;
+ gpmc,oe-on-ns = <6>;
+ gpmc,oe-off-ns = <48>;
+ gpmc,we-on-ns = <6>;
+ gpmc,we-off-ns = <30>;
+ gpmc,rd-cycle-ns = <72>;
+ gpmc,wr-cycle-ns = <72>;
+ gpmc,access-ns = <54>;
+ gpmc,wr-access-ns = <30>;
+
+ partition@0 {
+ label = "X-Loader";
+ reg = <0 0x80000>;
+ };
+ partition@80000 {
+ label = "U-Boot";
+ reg = <0x80000 0x1e0000>;
+ };
+ partition@1c0000 {
+ label = "U-Boot Env";
+ reg = <0x260000 0x20000>;
+ };
+ partition@280000 {
+ label = "Kernel";
+ reg = <0x280000 0x400000>;
+ };
+ partition@780000 {
+ label = "Filesystem";
+ reg = <0x680000 0xf980000>;
+ };
+ };
+};
--
2.1.0
next reply other threads:[~2015-03-06 15:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-06 15:10 Roger Quadros [this message]
2015-03-16 22:11 ` [PATCH] ARM: dts: omap3-beagle: Add NAND device Tony Lindgren
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