linux-kernel - [RFC PATCH v2 12/14] ARM: sunxi/dt: enable NAND on cubietruck board

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Message-Id: <1391006064-28890-13-git-send-email-b.brezillon.dev@gmail.com>
Date:	Wed, 29 Jan 2014 15:34:22 +0100
From:	Boris BREZILLON <b.brezillon.dev@...il.com>
To:	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Rob Landley <rob@...dley.net>,
	Russell King <linux@....linux.org.uk>,
	David Woodhouse <dwmw2@...radead.org>,
	Grant Likely <grant.likely@...aro.org>,
	Brian Norris <computersforpeace@...il.com>,
	Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
	Arnd Bergmann <arnd@...db.de>
Cc:	Boris BREZILLON <b.brezillon.dev@...il.com>,
	devicetree@...r.kernel.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-mtd@...ts.infradead.org, dev@...ux-sunxi.org
Subject: [RFC PATCH v2 12/14] ARM: sunxi/dt: enable NAND on cubietruck board

Enable the NFC and describe the NAND flash connected to this controller.

Signed-off-by: Boris BREZILLON <b.brezillon.dev@...il.com>
---
 arch/arm/boot/dts/sun7i-a20-cubietruck.dts |   31 ++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/arch/arm/boot/dts/sun7i-a20-cubietruck.dts b/arch/arm/boot/dts/sun7i-a20-cubietruck.dts
index 8a1009d..031de97 100644
--- a/arch/arm/boot/dts/sun7i-a20-cubietruck.dts
+++ b/arch/arm/boot/dts/sun7i-a20-cubietruck.dts
@@ -19,6 +19,37 @@
 	compatible = "cubietech,cubietruck", "allwinner,sun7i-a20";
 
 	soc@...00000 {
+		nfc: nand@...03000 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&nand_pins_a &nand_cs0_pins_a &nand_rb0_pins_a>;
+			status = "okay";
+
+			nand@0 {
+				#address-cells = <1>;
+				#size-cells = <1>;
+				reg = <0>;
+				allwinner,rb = <0>;
+				nand-ecc-mode = "soft_bch";
+
+				/* nand timings */
+				tCLS-min = <6>;
+				tCLH-min = <3>;
+				tCS-min = <20>;
+				tCH-min = <5>;
+				tWP-min = <8>;
+				tWH-min = <6>;
+				tALS-min = <6>;
+				tDS-min = <6>;
+				tDH-min = <2>;
+				tRR-min = <20>;
+				tALH-min = <3>;
+				tRP-min = <8>;
+				tREH-min = <6>;
+				tRC-min = <16>;
+				tWC-min = <16>;
+			};
+		};
+
 		pinctrl@...20800 {
 			led_pins_cubietruck: led_pins@0 {
 				allwinner,pins = "PH7", "PH11", "PH20", "PH21";
-- 
1.7.9.5

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