linux-kernel - [PATCH v2 6/6] ARM: tegra: enable NAND flash on Colibri T20

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Message-Id: <20180527215442.14760-7-stefan@agner.ch>
Date:   Sun, 27 May 2018 23:54:42 +0200
From:   Stefan Agner <stefan@...er.ch>
To:     boris.brezillon@...tlin.com, dwmw2@...radead.org,
        computersforpeace@...il.com, marek.vasut@...il.com,
        robh+dt@...nel.org, mark.rutland@....com, thierry.reding@...il.com,
        mturquette@...libre.com, sboyd@...nel.org
Cc:     dev@...xeye.de, miquel.raynal@...tlin.com, richard@....at,
        marcel@...wiler.com, krzk@...nel.org, digetx@...il.com,
        benjamin.lindqvist@...ian.se, jonathanh@...dia.com,
        pdeschrijver@...dia.com, pgaikwad@...dia.com, mirza.krak@...il.com,
        linux-mtd@...ts.infradead.org, linux-tegra@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-clk@...r.kernel.org, Stefan Agner <stefan@...er.ch>
Subject: [PATCH v2 6/6] ARM: tegra: enable NAND flash on Colibri T20

From: Lucas Stach <dev@...xeye.de>

This enables the on-module ONFI conformant NAND flash.

Signed-off-by: Lucas Stach <dev@...xeye.de>
Signed-off-by: Stefan Agner <stefan@...er.ch>
---
 arch/arm/boot/dts/tegra20-colibri-512.dtsi | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm/boot/dts/tegra20-colibri-512.dtsi b/arch/arm/boot/dts/tegra20-colibri-512.dtsi
index 5c202b3e3bb1..ba8c0a535d6e 100644
--- a/arch/arm/boot/dts/tegra20-colibri-512.dtsi
+++ b/arch/arm/boot/dts/tegra20-colibri-512.dtsi
@@ -462,6 +462,22 @@
 		};
 	};
 
+	nand@...08000 {
+		status = "okay";
+
+		nand-chip@0 {
+			reg = <0>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			nand-bus-width = <8>;
+			nand-on-flash-bbt;
+			nand-ecc-algo = "bch";
+			nand-ecc-step-size = <512>;
+			nand-ecc-strength = <16>;
+			wp-gpios = <&gpio TEGRA_GPIO(S, 0) GPIO_ACTIVE_LOW>;
+		};
+	};
+
 	usb@...04000 {
 		status = "okay";
 		nvidia,phy-reset-gpio = <&gpio TEGRA_GPIO(V, 1)
-- 
2.17.0