From patchwork Wed Nov 20 16:24:57 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ivan Khoronzhuk X-Patchwork-Id: 292812 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 D79FB2C0084 for ; Thu, 21 Nov 2013 03:25:51 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754118Ab3KTQZu (ORCPT ); Wed, 20 Nov 2013 11:25:50 -0500 Received: from devils.ext.ti.com ([198.47.26.153]:47517 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754050Ab3KTQZt (ORCPT ); Wed, 20 Nov 2013 11:25:49 -0500 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id rAKGPCUD006987; Wed, 20 Nov 2013 10:25:12 -0600 Received: from DFLE72.ent.ti.com (dfle72.ent.ti.com [128.247.5.109]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id rAKGPCBQ000323; Wed, 20 Nov 2013 10:25:12 -0600 Received: from dflp32.itg.ti.com (10.64.6.15) by DFLE72.ent.ti.com (128.247.5.109) with Microsoft SMTP Server id 14.2.342.3; Wed, 20 Nov 2013 10:25:11 -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 rAKGP3qR002299; Wed, 20 Nov 2013 10:25:08 -0600 From: Ivan Khoronzhuk To: Santosh Shilimkar , Rob Landley , Russell King CC: , Pawel Moll , Mark Rutland , Rob Herring , Stephen Warren , Kumar Gala , Ian Campbell , , , , , Ivan Khoronzhuk Subject: [PATCH 1/3] mtd: nand: davinci: reuse driver for Keystone arch Date: Wed, 20 Nov 2013 18:24:57 +0200 Message-ID: <1384964699-15134-2-git-send-email-ivan.khoronzhuk@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1384964699-15134-1-git-send-email-ivan.khoronzhuk@ti.com> References: <1384964699-15134-1-git-send-email-ivan.khoronzhuk@ti.com> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 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 Signed-off-by: Ivan Khoronzhuk --- .../devicetree/bindings/mtd/davinci-nand.txt | 8 +++++--- drivers/mtd/nand/Kconfig | 6 +++--- drivers/mtd/nand/davinci_nand.c | 1 + 3 files changed, 9 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 d885298..8bf69c7 100644 --- a/drivers/mtd/nand/Kconfig +++ b/drivers/mtd/nand/Kconfig @@ -492,11 +492,11 @@ 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" diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c index f7b21b8..8459720 100644 --- a/drivers/mtd/nand/davinci_nand.c +++ b/drivers/mtd/nand/davinci_nand.c @@ -523,6 +523,7 @@ static struct nand_ecclayout hwecc4_2048 __initconst = { #if defined(CONFIG_OF) static const struct of_device_id davinci_nand_of_match[] = { {.compatible = "ti,davinci-nand", }, + {.compatible = "ti,keystone-nand", }, {}, }; MODULE_DEVICE_TABLE(of, davinci_nand_of_match);