From patchwork Wed Mar 4 23:10:22 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Agner X-Patchwork-Id: 446485 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-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id AD925140142 for ; Thu, 5 Mar 2015 10:15:46 +1100 (AEDT) Authentication-Results: ozlabs.org; dkim=fail reason="verification failed; unprotected key" header.d=agner.ch header.i=@agner.ch header.b=mZe6TgN5; dkim-adsp=none (unprotected policy); 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 1YTITi-0006M7-A1; Wed, 04 Mar 2015 23:13:22 +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 1YTIRI-0004l3-4i; Wed, 04 Mar 2015 23:10:53 +0000 Received: from trochilidae.agner.local (195-226-23-137.pool.cyberlink.ch [195.226.23.137]) by mail.kmu-office.ch (Postfix) with ESMTPSA id 62CF05C0D55; Thu, 5 Mar 2015 00:10:22 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=agner.ch; s=dkim; t=1425510622; bh=sehpGttft+Om3ojEyD+sS1SXWoBwaA7U4GBHkiHFOmk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mZe6TgN55/OORuA6a21HVPLb9XBswAprU842tUHrbQpi178mv3Xyj12bLxYF9+FwJ HTtbZImTVG+xXBtd/HgSB0rHo81O1WaVHK6Rdn7e+8O2YPg6bx2xRcPJKUvFLT4mos nuCLfZmisK0TgAA4H4RYnekg5jd+dQkdrTbQZZ2Q= From: Stefan Agner To: dwmw2@infradead.org, computersforpeace@gmail.com Subject: [PATCH 3/5] mtd: nand: vf610_nfc: add device tree bindings Date: Thu, 5 Mar 2015 00:10:22 +0100 Message-Id: <1425510624-22250-4-git-send-email-stefan@agner.ch> X-Mailer: git-send-email 2.3.0 In-Reply-To: <1425510624-22250-1-git-send-email-stefan@agner.ch> References: <1425510624-22250-1-git-send-email-stefan@agner.ch> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150304_151052_369150_48707449 X-CRM114-Status: UNSURE ( 7.81 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.1 (/) X-Spam-Report: SpamAssassin version 3.4.0 on bombadil.infradead.org summary: Content analysis details: (-0.1 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_FAIL SPF: HELO does not match SPF record (fail) [SPF failed: Please see http://www.openspf.org/Why?s=helo; id=mail.kmu-office.ch; ip=178.209.48.109; r=bombadil.infradead.org] -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid 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-mtd@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Signed-off-by: Bill Pringlemeir Signed-off-by: Stefan Agner --- .../devicetree/bindings/mtd/vf610-nfc.txt | 38 ++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 Documentation/devicetree/bindings/mtd/vf610-nfc.txt diff --git a/Documentation/devicetree/bindings/mtd/vf610-nfc.txt b/Documentation/devicetree/bindings/mtd/vf610-nfc.txt new file mode 100644 index 0000000..54207f8 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/vf610-nfc.txt @@ -0,0 +1,38 @@ +Freescale's NAND flash controller (NFC) + +This variant of the Freescale NAND flash controller (NFC) is on Vybrid (vf610), +MPC5125, MCF54418 and Kinetis K70. + +Required properties: +- compatible: "fsl,vf610-nfc" +- reg: Address range of the mtd chip +- interrupts: Should contain the STMMAC interrupts +- nand-bus-width: see nand.txt +- nand-ecc-mode: see nand.txt +- nand-on-flash-bbt: see nand.txt +- clock-frequency : Optional clock rate to NFC in Hz +- #address-cells, #size-cells : Must be present if the device has sub-nodes + representing partitions. + +Required properties for hardware ECC: +- nand-ecc-strength: supported strengths are 24 and 32 (see nand.txt) +- nand-ecc-step-size: step size equals page size, currently only 2k pages are + supported + +Example: + + nfc: nand@400e0000 { + compatible = "fsl,vf610-nfc"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x400e0000 0x4000>; + interrupts = ; + clocks = <&clks VF610_CLK_NFC>; + clock-names = "nfc"; + clock-frequency = <33000000>; + nand-bus-width = <8>; + nand-ecc-mode = "hw"; + nand-on-flash-bbt; + nand-ecc-strength = <32>; + nand-ecc-step-size = <2048>; + };