From patchwork Mon Apr 15 09:23:54 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mason Yang X-Patchwork-Id: 1085497 X-Patchwork-Delegate: miquel.raynal@bootlin.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.infradead.org (client-ip=2607:7c80:54:e::133; helo=bombadil.infradead.org; envelope-from=linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=mxic.com.tw Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="DbCQXKvB"; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 44jN1G6hkvz9s71 for ; Mon, 15 Apr 2019 19:07:14 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=CN7alKBu8CqgpInWuhQy2rt2HsN65mFqqMRe588DljQ=; b=DbCQXKvBCFusaIz05ZnaHbJNY0 CXstjga8fAsLhQZw9kBAkj0Xx6OlwOpkTlF/Lq1ofN0LyFKbsdz2xI7GjwVQH28AvqLkJUy1Bm3SR vn3NpAnEWSNF/ybLilI7iRomn0G0Z0mZS3JF3A2Jh912BevsKkfeEY+1v52pnceRxOaL7EheZh6LP Ofg2QEeWEzuGjqO2O8wUdpz9c+0/vwaXjq/5XQDLYz6mtAvAfGFNBN8C1rRtW+c/+ueck0FJzkTJR 2pggNfSyPSLJcnlyuwpd11J3cqEIhftHbf8D2lpD+ulecAsxmYYx1ODaCKRRTt9itSHWcC6lL20lp yuoFXcaA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hFxa0-0002Fb-89; Mon, 15 Apr 2019 09:07:08 +0000 Received: from twhmllg4.macronix.com ([211.75.127.132]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hFxZT-0001Ya-Nr for linux-mtd@lists.infradead.org; Mon, 15 Apr 2019 09:06:37 +0000 Received: from localhost.localdomain ([172.17.195.96]) by TWHMLLG4.macronix.com with ESMTP id x3F93pKt042176; Mon, 15 Apr 2019 17:03:54 +0800 (GMT-8) (envelope-from masonccyang@mxic.com.tw) From: Mason Yang To: broonie@kernel.org, marek.vasut@gmail.com, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, bbrezillon@kernel.org, dwmw2@infradead.org, lee.jones@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com, computersforpeace@gmal.com, paul.burton@mips.com, stefan@agner.ch, christophe.kerello@st.com, liang.yang@amlogic.com, geert@linux-m68k.org, devicetree@vger.kernel.org, marcel.ziswiler@toradex.com, linux-mtd@lists.infradead.org, richard@nod.at, miquel.raynal@bootlin.com Subject: [PATCH v3 4/4] dt-bindings: mfd: Document Macronix MX25F0A controller bindings Date: Mon, 15 Apr 2019 17:23:54 +0800 Message-Id: <1555320234-15802-5-git-send-email-masonccyang@mxic.com.tw> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1555320234-15802-1-git-send-email-masonccyang@mxic.com.tw> References: <1555320234-15802-1-git-send-email-masonccyang@mxic.com.tw> X-MAIL: TWHMLLG4.macronix.com x3F93pKt042176 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190415_020636_046541_144E8CC9 X-CRM114-Status: UNSURE ( 9.04 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.0 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [211.75.127.132 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: juliensu@mxic.com.tw, Mason Yang , zhengxunli@mxic.com.tw MIME-Version: 1.0 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Document the bindings used by the Macronix MX25F0A MFD controller. Signed-off-by: Mason Yang --- .../devicetree/bindings/mfd/mxic-mx25f0a.txt | 51 ++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/mxic-mx25f0a.txt diff --git a/Documentation/devicetree/bindings/mfd/mxic-mx25f0a.txt b/Documentation/devicetree/bindings/mfd/mxic-mx25f0a.txt new file mode 100644 index 0000000..7f3e0f8 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/mxic-mx25f0a.txt @@ -0,0 +1,51 @@ +Macronix MX25F0A MultiFunction Device Tree Bindings +---------------------------------------------------- + +MX25F0A is a MultiFunction Device with SPI and raw NAND, which +supports either spi host controller or raw nand controller. + +Required properties: +- compatible: should be "mxic,mx25f0a" +- #address-cells: should be 1 +- #size-cells: should be 0 +- reg: should contain 2 entries, one for the registers and one for the direct + mapping area in SPI mode. +- reg-names: should contain "regs" and "dirmap" +- interrupts: interrupt line connected to this MFD controller +- SPI controller driver: + - clock-names: should contain "ps_clk", "send_clk" and + "send_dly_clk" + - clocks: should contain 3 entries for the "ps_clk", "send_clk" + and "send_dly_clk" clocks + +- Raw nand controller driver. + - nand-ecc-mode = "soft"; + - nand-ecc-algo = "bch"; + +Example: + + mxic: mx25f0a@43c30000 { + compatible = "mxic,mx25f0a"; + reg = <0x43c30000 0x10000>, <0xa0000000 0x4000000>; + reg-names = "regs", "dirmap"; + + /* spi */ + clocks = <&clkwizard 0>, <&clkwizard 1>, <&clkc 15>; + clock-names = "send_clk", "send_dly_clk", "ps_clk"; + #address-cells = <1>; + #size-cells = <0>; + + flash@0 { + compatible = "jedec,spi-nor"; + reg = <0>; + spi-max-frequency = <25000000>; + spi-tx-bus-width = <4>; + spi-rx-bus-width = <4>; + }; + + /* nand */ + nand-ecc-mode = "soft"; + nand-ecc-algo = "bch"; + nand-ecc-step-size = <512>; + nand-ecc-strength = <8>; + };