From patchwork Mon Aug 3 09:27:29 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Agner X-Patchwork-Id: 503084 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2001:1868:205::9]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id CB6361402D1 for ; Mon, 3 Aug 2015 19:30:27 +1000 (AEST) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; secure) header.d=agner.ch header.i=@agner.ch header.b=i2KAHrZx; dkim-atps=neutral Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZMC3N-0003OC-Av; Mon, 03 Aug 2015 09:29:05 +0000 Received: from mail.kmu-office.ch ([2a02:418:6a02::a2]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZMC2K-0002eq-FQ; Mon, 03 Aug 2015 09:28:09 +0000 Received: from trochilidae.toradex.int (unknown [46.140.72.82]) by mail.kmu-office.ch (Postfix) with ESMTPSA id 5E99A5C122A; Mon, 3 Aug 2015 11:27:33 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=agner.ch; s=dkim; t=1438594053; bh=IEyZsyiDmPc/FCRRXINPO7Yj7F+SbJzEvVoC266LcgY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=i2KAHrZxdild0GMg4BNvvdTT4hhl+vhyG06q+6uZyQv7kzjJWY9JzUY1CzEQSCwGK INpCwaTnJ2+Y/XWVp083yg938Ua8siLipPmdpVmQHL0HmzhTkJpZnIcPy3VnIpXg9S qxOGMirqC0ma9Gg6mw5nZBdd8NU9Q6fumNizCqfM= From: Stefan Agner To: dwmw2@infradead.org, computersforpeace@gmail.com Subject: [PATCH v10 4/5] ARM: dts: vf610twr: add NAND flash controller peripherial Date: Mon, 3 Aug 2015 11:27:29 +0200 Message-Id: <1438594050-4595-5-git-send-email-stefan@agner.ch> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1438594050-4595-1-git-send-email-stefan@agner.ch> References: <1438594050-4595-1-git-send-email-stefan@agner.ch> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150803_022800_989285_1EB8AA2E X-CRM114-Status: UNSURE ( 8.76 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.0 (--) X-Spam-Report: SpamAssassin version 3.4.0 on bombadil.infradead.org summary: Content analysis details: (-2.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, boris.brezillon@free-electrons.com, aaron@tastycactus.com, marb@ixxat.de, pawel.moll@arm.com, ijc+devicetree@hellion.org.uk, bpringlemeir@gmail.com, linux-kernel@vger.kernel.org, Stefan Agner , albert.aribaud@3adev.fr, klimov.linux@gmail.com, sebastian@breakpoint.cc, robh+dt@kernel.org, linux-mtd@lists.infradead.org, linux-arm-kernel@lists.infradead.org, kernel@pengutronix.de, galak@codeaurora.org, shawn.guo@linaro.org, devicetree@vger.kernel.org, Bill Pringlemeir MIME-Version: 1.0 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org This adds the NAND flash controller (NFC) peripherial. The driver supports the SLC NAND chips found on Freescale's Vybrid Tower System Module. The Micron NAND chip on the module needs 4-bit ECC per 512 byte page. Use 24-bit ECC per 2k page, which is supported by the driver. Signed-off-by: Bill Pringlemeir Reviewed-by: Brian Norris Signed-off-by: Stefan Agner --- arch/arm/boot/dts/vf610-twr.dts | 40 ++++++++++++++++++++++++++++++++++++++++ arch/arm/boot/dts/vfxxx.dtsi | 8 ++++++++ 2 files changed, 48 insertions(+) diff --git a/arch/arm/boot/dts/vf610-twr.dts b/arch/arm/boot/dts/vf610-twr.dts index 375ab23..2a278a2 100644 --- a/arch/arm/boot/dts/vf610-twr.dts +++ b/arch/arm/boot/dts/vf610-twr.dts @@ -237,6 +237,33 @@ >; }; + pinctrl_nfc: nfcgrp { + fsl,pins = < + VF610_PAD_PTD31__NF_IO15 0x28df + VF610_PAD_PTD30__NF_IO14 0x28df + VF610_PAD_PTD29__NF_IO13 0x28df + VF610_PAD_PTD28__NF_IO12 0x28df + VF610_PAD_PTD27__NF_IO11 0x28df + VF610_PAD_PTD26__NF_IO10 0x28df + VF610_PAD_PTD25__NF_IO9 0x28df + VF610_PAD_PTD24__NF_IO8 0x28df + VF610_PAD_PTD23__NF_IO7 0x28df + VF610_PAD_PTD22__NF_IO6 0x28df + VF610_PAD_PTD21__NF_IO5 0x28df + VF610_PAD_PTD20__NF_IO4 0x28df + VF610_PAD_PTD19__NF_IO3 0x28df + VF610_PAD_PTD18__NF_IO2 0x28df + VF610_PAD_PTD17__NF_IO1 0x28df + VF610_PAD_PTD16__NF_IO0 0x28df + VF610_PAD_PTB24__NF_WE_B 0x28c2 + VF610_PAD_PTB25__NF_CE0_B 0x28c2 + VF610_PAD_PTB27__NF_RE_B 0x28c2 + VF610_PAD_PTC26__NF_RB_B 0x283d + VF610_PAD_PTC27__NF_ALE 0x28c2 + VF610_PAD_PTC28__NF_CLE 0x28c2 + >; + }; + pinctrl_pwm0: pwm0grp { fsl,pins = < VF610_PAD_PTB0__FTM0_CH0 0x1582 @@ -274,6 +301,19 @@ }; }; +&nfc { + assigned-clocks = <&clks VF610_CLK_NFC>; + assigned-clock-rates = <33000000>; + nand-bus-width = <16>; + nand-ecc-mode = "hw"; + nand-ecc-step-size = <2048>; + nand-ecc-strength = <24>; + nand-on-flash-bbt; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_nfc>; + status = "okay"; +}; + &pwm0 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_pwm0>; diff --git a/arch/arm/boot/dts/vfxxx.dtsi b/arch/arm/boot/dts/vfxxx.dtsi index 4aa3351..2f4b04d 100644 --- a/arch/arm/boot/dts/vfxxx.dtsi +++ b/arch/arm/boot/dts/vfxxx.dtsi @@ -520,6 +520,14 @@ status = "disabled"; }; + nfc: nand@400e0000 { + compatible = "fsl,vf610-nfc"; + reg = <0x400e0000 0x4000>; + interrupts = <83 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clks VF610_CLK_NFC>; + clock-names = "nfc"; + status = "disabled"; + }; }; }; };