From patchwork Tue Dec 17 13:38:12 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ivan Khoronzhuk X-Patchwork-Id: 3361851 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 94AB99F384 for ; Tue, 17 Dec 2013 13:45:15 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id F2D752027D for ; Tue, 17 Dec 2013 13:45:10 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (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 B1FE820255 for ; Tue, 17 Dec 2013 13:45:09 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Vsutf-0001Jj-7e; Tue, 17 Dec 2013 13:41:16 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Vsusv-0005bH-8b; Tue, 17 Dec 2013 13:40:29 +0000 Received: from devils.ext.ti.com ([198.47.26.153]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Vsusg-0005XD-8g; Tue, 17 Dec 2013 13:40:15 +0000 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id rBHDdDak028121; Tue, 17 Dec 2013 07:39:13 -0600 Received: from DLEE71.ent.ti.com (dlee71.ent.ti.com [157.170.170.114]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id rBHDdDtg007222; Tue, 17 Dec 2013 07:39:13 -0600 Received: from dflp32.itg.ti.com (10.64.6.15) by DLEE71.ent.ti.com (157.170.170.114) with Microsoft SMTP Server id 14.2.342.3; Tue, 17 Dec 2013 07:39:13 -0600 Received: from uglx0177649.ucm2.emeaucm.ext.ti.com (uglx0177649.ucm2.emeaucm.ext.ti.com [10.167.145.122]) by dflp32.itg.ti.com (8.14.3/8.13.8) with ESMTP id rBHDd9Jc003054; Tue, 17 Dec 2013 07:39:09 -0600 From: Ivan Khoronzhuk To: Santosh Shilimkar , Rob Landley , Russell King Subject: [PATCH v4 8/9] mtd: nand: davinci: reuse driver for Keystone arch Date: Tue, 17 Dec 2013 15:38:12 +0200 Message-ID: <1387287492-19941-1-git-send-email-ivan.khoronzhuk@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1387285155-19182-1-git-send-email-ivan.khoronzhuk@ti.com> References: <1387285155-19182-1-git-send-email-ivan.khoronzhuk@ti.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20131217_084014_436271_3395053C X-CRM114-Status: UNSURE ( 9.99 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -7.4 (-------) Cc: Mark Rutland , devicetree@vger.kernel.org, grygorii.strashko@ti.com, Pawel Moll , Stephen Warren , ijc+devicetree@hellion.org.uk, Kumar Gala , Rob Herring , linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org, Ivan Khoronzhuk , computersforpeace@gmail.com, dwmw2@infradead.org, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.7 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable 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 The Keystone arch has compatible nand device, so reuse it. In case with Keystone it depends on TI_AEMIF because AEMIF driver is responsible to set timings. See http://www.ti.com/lit/ug/sprugz3a/sprugz3a.pdf Reviewed-by: Grygorii Strashko Reviewed-by: Taras Kondratiuk Signed-off-by: Ivan Khoronzhuk --- .../devicetree/bindings/mtd/davinci-nand.txt | 8 +++++--- drivers/mtd/nand/Kconfig | 6 +++--- 2 files changed, 8 insertions(+), 6 deletions(-) diff --git a/Documentation/devicetree/bindings/mtd/davinci-nand.txt b/Documentation/devicetree/bindings/mtd/davinci-nand.txt index befaa5b..cfb18ab 100644 --- a/Documentation/devicetree/bindings/mtd/davinci-nand.txt +++ b/Documentation/devicetree/bindings/mtd/davinci-nand.txt @@ -1,14 +1,16 @@ -Device tree bindings for Texas instruments Davinci NAND controller +Device tree bindings for Texas instruments Davinci/Keystone NAND controller -This file provides information, what the device node for the davinci NAND -interface contains. +This file provides information, what the device node for the davinci/keystone +NAND interface contains. Documentation: Davinci DM646x - http://www.ti.com/lit/ug/sprueq7c/sprueq7c.pdf +Kestone - http://www.ti.com/lit/ug/sprugz3a/sprugz3a.pdf Required properties: - compatible: "ti,davinci-nand" + "ti,keystone-nand" - reg: Contains 2 offset/length values: - offset and length for the access window. diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig index 93ae6a6..35f3ea3 100644 --- a/drivers/mtd/nand/Kconfig +++ b/drivers/mtd/nand/Kconfig @@ -464,11 +464,11 @@ config MTD_NAND_SH_FLCTL for NAND Flash using FLCTL. config MTD_NAND_DAVINCI - tristate "Support NAND on DaVinci SoC" - depends on ARCH_DAVINCI + tristate "Support NAND on DaVinci/Keystone SoC" + depends on ARCH_DAVINCI || (ARCH_KEYSTONE && TI_AEMIF) help Enable the driver for NAND flash chips on Texas Instruments - DaVinci processors. + DaVinci/Keystone processors. config MTD_NAND_TXX9NDFMC tristate "NAND Flash support for TXx9 SoC"