From patchwork Mon Mar 9 16:38:49 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Agner X-Patchwork-Id: 5969841 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id F2ECABF440 for ; Mon, 9 Mar 2015 16:42:56 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 24ECB201BC for ; Mon, 9 Mar 2015 16:42:56 +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 49F6C20154 for ; Mon, 9 Mar 2015 16:42:55 +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 1YV0jA-00040h-5E; Mon, 09 Mar 2015 16:40:24 +0000 Received: from mail.kmu-office.ch ([2a02:418:6a02::a2]) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1YV0iF-0002T0-7t; Mon, 09 Mar 2015 16:39:32 +0000 Received: from trochilidae.toradex.int (unknown [46.140.72.82]) by mail.kmu-office.ch (Postfix) with ESMTPSA id 592AE5C0FE3; Mon, 9 Mar 2015 17:38:50 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=agner.ch; s=dkim; t=1425919130; bh=ZCDpNzUtsbJlKmbWOK20DCvITSdI7ulhuDEkezMkp/I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aKY+mSJ+QI4njD6HjlXrG7yKNcQPsLLL7RB+84b2kodi+Y5kpT9N/FEywQUnzyfPR 4T7ZFVuhWdm9J3ymycb3Npi1RbArdMeJkGGGRc/ueC96MgG6KKnTyrBzkw70mcspSz hJCi2YW6NHy/Teyz10SanC9vXaEznVEK4XYylK00= From: Stefan Agner To: dwmw2@infradead.org, computersforpeace@gmail.com Subject: [PATCH v2 3/6] mtd: nand: vf610_nfc: add device tree bindings Date: Mon, 9 Mar 2015 17:38:49 +0100 Message-Id: <1425919132-13827-4-git-send-email-stefan@agner.ch> X-Mailer: git-send-email 2.3.1 In-Reply-To: <1425919132-13827-1-git-send-email-stefan@agner.ch> References: <1425919132-13827-1-git-send-email-stefan@agner.ch> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150309_093927_520031_A8BBE434 X-CRM114-Status: UNSURE ( 8.22 ) 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=ham 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 Signed-off-by: Bill Pringlemeir Signed-off-by: Stefan Agner --- .../devicetree/bindings/mtd/vf610-nfc.txt | 39 ++++++++++++++++++++++ 1 file changed, 39 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..312c872 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/vf610-nfc.txt @@ -0,0 +1,39 @@ +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"; + assigned-clocks = <&clks VF610_CLK_NFC>; + assigned-clock-rates = <33000000>; + nand-bus-width = <8>; + nand-ecc-mode = "hw"; + nand-on-flash-bbt; + nand-ecc-strength = <32>; + nand-ecc-step-size = <2048>; + };