linux-kernel - [RFC PATCH 16/16] ARM: dts: omap3-beagle: Add NAND device

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Date:	Wed, 21 May 2014 14:21:04 +0300
From:	Roger Quadros <rogerq@...com>
To:	<tony@...mide.com>, <computersforpeace@...il.com>
CC:	<pekon@...com>, <ezequiel.garcia@...e-electrons.com>,
	<robertcnelson@...il.com>, <jg1.han@...sung.com>,
	<dwmw2@...radead.org>, <javier@...hile0.org>, <nsekhar@...com>,
	<linux-omap@...r.kernel.org>, <linux-mtd@...ts.infradead.org>,
	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	Roger Quadros <rogerq@...com>
Subject: [RFC PATCH 16/16] ARM: dts: omap3-beagle: Add NAND device

The beagle board contains a 16-bit NAND device connected to
chip select 0 of the GPMC controller.

Signed-off-by: Roger Quadros <rogerq@...com>
---
 arch/arm/boot/dts/omap3-beagle.dts | 66 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)

diff --git a/arch/arm/boot/dts/omap3-beagle.dts b/arch/arm/boot/dts/omap3-beagle.dts
index 3c3e6da..825b364 100644
--- a/arch/arm/boot/dts/omap3-beagle.dts
+++ b/arch/arm/boot/dts/omap3-beagle.dts
@@ -350,3 +350,69 @@
 		};
 	};
 };
+
+&gpmc {
+	ranges = <0 0 0x30000000 0x3FFFFFFF     /* I/O space */
+		  1 0 0x6e000000 0x02d4>;       /* register space */
+
+	/* Chip select 0 */
+	cs0 {
+		#address-cells = <2>;
+		#size-cells = <1>;
+		reg = <0 0 0x1000000>;	/* CS0 partition, 16 MB min */
+		ranges;
+
+		gpmc,cs = <0>;
+		gpmc,device-width = <2>;	/* 16-bit */
+		gpmc,nand;
+
+		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>;
+
+		nand@0,0 {
+			compatible = "ti,omap2-nand";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			reg = <0 0 4		/* Nand I/O */
+			       1 0 0x2d4>;	/* GPMC registers */
+			interrupts = <20>;
+
+			ti,nand-cs = <0>;
+			nand-bus-width = <16>;
+			ti,nand-ecc-opt = "ham1";
+
+			partition@0 {
+				label = "X-Loader";
+				reg = <0 0x80000>;
+			};
+			partition@...00 {
+				label = "U-Boot";
+				reg = <0x80000 0x1e0000>;
+			};
+			partition@...000 {
+				label = "U-Boot Env";
+				reg = <0x260000 0x20000>;
+			};
+			partition@...000 {
+				label = "Kernel";
+				reg = <0x280000 0x400000>;
+			};
+			partition@...000 {
+				label = "Filesystem";
+				reg = <0x680000 0xf980000>;
+			};
+		};
+	};
+};
-- 
1.8.3.2

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