From patchwork Thu Apr 16 12:11:05 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Roese X-Patchwork-Id: 26063 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from bombadil.infradead.org (bombadil.infradead.org [18.85.46.34]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by bilbo.ozlabs.org (Postfix) with ESMTPS id 5EE92B6F35 for ; Thu, 16 Apr 2009 22:13:54 +1000 (EST) Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.69 #1 (Red Hat Linux)) id 1LuQR1-0006Cn-3O; Thu, 16 Apr 2009 12:11:15 +0000 Received: from mo-p05-ob.rzone.de ([81.169.146.180]) by bombadil.infradead.org with esmtp (Exim 4.69 #1 (Red Hat Linux)) id 1LuQQt-0006Bp-JU for linux-mtd@lists.infradead.org; Thu, 16 Apr 2009 12:11:14 +0000 X-RZG-AUTH: :IW0NeWC7b/q2i6W/qstXb1SBUuFnrGohavlCkce+Ub5QXMSOpHp3Jjnzw4iimg== X-RZG-CLASS-ID: mo05 Received: from localhost.localdomain (p57BD62F6.dip.t-dialin.net [87.189.98.246]) by post.strato.de (klopstock mo31) (RZmta 18.28) with ESMTP id e04f25l3GBaYyO ; Thu, 16 Apr 2009 14:11:05 +0200 (MEST) From: Stefan Roese To: linuxppc-dev@ozlabs.org, linux-mtd@lists.infradead.org Subject: [PATCH 3/3 v3] mtd/powerpc: Describe multiple "reg" tuples usage Date: Thu, 16 Apr 2009 14:11:05 +0200 Message-Id: <1239883865-17915-1-git-send-email-sr@denx.de> X-Mailer: git-send-email 1.6.2.3 X-Spam-Score: 0.0 (/) Cc: grant.likely@secretlab.ca, devicetree-discuss@ozlabs.org X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.11 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-bounces@lists.infradead.org Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Signed-off-by: Stefan Roese CC: Grant Likely Acked-by: Grant Likely --- Changes in ver3: - Removed reference to Intel P30 parts - Added exact chip compatible property for best practice. Documentation/powerpc/dts-bindings/mtd-physmap.txt | 19 ++++++++++++++++++- 1 files changed, 18 insertions(+), 1 deletions(-) diff --git a/Documentation/powerpc/dts-bindings/mtd-physmap.txt b/Documentation/powerpc/dts-bindings/mtd-physmap.txt index cd474f9..667c9bd 100644 --- a/Documentation/powerpc/dts-bindings/mtd-physmap.txt +++ b/Documentation/powerpc/dts-bindings/mtd-physmap.txt @@ -5,7 +5,9 @@ file systems on embedded devices. - compatible : should contain the specific model of flash chip(s) used, if known, followed by either "cfi-flash" or "jedec-flash" - - reg : Address range of the flash chip + - reg : Address range(s) of the flash chip(s) + It's possible to (optionally) define multiple "reg" tuples so that + non-identical NOR chips can be described in one flash node. - bank-width : Width (in bytes) of the flash bank. Equal to the device width times the number of interleaved chips. - device-width : (optional) Width of a single flash chip. If @@ -61,3 +63,18 @@ Example: read-only; }; }; + +Here an example with multiple "reg" tuples: + + flash@f0000000,0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "intel,PC48F4400P0VB", "cfi-flash"; + reg = <0 0x00000000 0x02000000 + 0 0x02000000 0x02000000>; + bank-width = <2>; + partition@0 { + label = "test-part1"; + reg = <0 0x04000000>; + }; + };