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: 448098 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id CAE58140146 for ; Tue, 10 Mar 2015 03:40:29 +1100 (AEDT) Authentication-Results: ozlabs.org; dkim=fail reason="verification failed; unprotected key" header.d=agner.ch header.i=@agner.ch header.b=aKY+mSJ+; dkim-adsp=none (unprotected policy); dkim-atps=neutral Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751503AbbCIQk3 (ORCPT ); Mon, 9 Mar 2015 12:40:29 -0400 Received: from mail.kmu-office.ch ([178.209.48.109]:55717 "EHLO mail.kmu-office.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753696AbbCIQjE (ORCPT ); Mon, 9 Mar 2015 12:39:04 -0400 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 Cc: robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, shawn.guo@linaro.org, kernel@pengutronix.de, boris.brezillon@free-electrons.com, marb@ixxat.de, aaron@tastycactus.com, bpringlemeir@nbsps.com, linux-mtd@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Stefan Agner 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> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 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>; + };