From patchwork Wed Mar 25 16:28:28 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Agner X-Patchwork-Id: 6093651 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 383FA9F399 for ; Wed, 25 Mar 2015 16:35:10 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 4C04420374 for ; Wed, 25 Mar 2015 16:35:09 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5ECA7200E9 for ; Wed, 25 Mar 2015 16:35:08 +0000 (UTC) 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 1YaoEI-0005Xb-Da; Wed, 25 Mar 2015 16:32:30 +0000 Received: from mail.kmu-office.ch ([178.209.48.109]) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1YaoBJ-00029C-5H; Wed, 25 Mar 2015 16:29:26 +0000 Received: from trochilidae.toradex.int (unknown [46.140.72.82]) by mail.kmu-office.ch (Postfix) with ESMTPSA id CFBAC5C0D61; Wed, 25 Mar 2015 17:28:04 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=agner.ch; s=dkim; t=1427300885; bh=Q42bCBREtVMrLBB41u7Rrp9c66tAQ9iQA2jmuqWMdsI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=T5qddaBVwTrFyKnq071FOXhmtEZjZgXON1ipSV8WYZk7pnGijvscMBstlLAq4P554 dnqxfHNbrz0sUb2L3Cy3WifdKg0r/jvj6YWAxdB7WIM3BkQ+KK5XbFfRwsSS6Yyzea lV8e2LtMVvCrxUKjdBoIzvVc6EYKqVKns1XJXlBs= From: Stefan Agner To: dwmw2@infradead.org, computersforpeace@gmail.com Subject: [PATCH v4 5/6] ARM: dts: vf610: add NAND flash controller peripherial Date: Wed, 25 Mar 2015 17:28:28 +0100 Message-Id: <1427300909-20825-6-git-send-email-stefan@agner.ch> X-Mailer: git-send-email 2.3.3 In-Reply-To: <1427300909-20825-1-git-send-email-stefan@agner.ch> References: <1427300909-20825-1-git-send-email-stefan@agner.ch> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150325_092925_425274_0A5638FA X-CRM114-Status: UNSURE ( 7.29 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.1 (/) 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, linux-kernel@vger.kernel.org, Stefan Agner , devicetree@vger.kernel.org, robh+dt@kernel.org, linux-mtd@lists.infradead.org, kernel@pengutronix.de, galak@codeaurora.org, shawn.guo@linaro.org, linux-arm-kernel@lists.infradead.org, bpringlemeir@nbsps.com X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED, T_DKIM_INVALID, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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 Signed-off-by: Stefan Agner --- arch/arm/boot/dts/vf610-twr.dts | 44 +++++++++++++++++++++++++++++++++++++++++ arch/arm/boot/dts/vfxxx.dtsi | 8 ++++++++ 2 files changed, 52 insertions(+) diff --git a/arch/arm/boot/dts/vf610-twr.dts b/arch/arm/boot/dts/vf610-twr.dts index f64fddc..f42d155 100644 --- a/arch/arm/boot/dts/vf610-twr.dts +++ b/arch/arm/boot/dts/vf610-twr.dts @@ -287,6 +287,50 @@ status = "okay"; }; +&iomuxc { + vf610-twr { + pinctrl_nfc_1: nfcgrp_1 { + 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 + >; + }; + }; +}; + +&nfc { + assigned-clocks = <&clks VF610_CLK_NFC>; + assigned-clock-rates = <33000000>; + nand-bus-width = <16>; + nand-ecc-mode = "hw"; + nand-on-flash-bbt; + nand-ecc-strength = <24>; + nand-ecc-step-size = <2048>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_nfc_1>; + status = "okay"; +}; + &uart1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_uart1>; diff --git a/arch/arm/boot/dts/vfxxx.dtsi b/arch/arm/boot/dts/vfxxx.dtsi index 32de809..8c85972 100644 --- a/arch/arm/boot/dts/vfxxx.dtsi +++ b/arch/arm/boot/dts/vfxxx.dtsi @@ -507,6 +507,14 @@ 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"; + }; }; }; };