From patchwork Thu May 2 09:44:28 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: pekon gupta X-Patchwork-Id: 2510741 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) by patchwork2.kernel.org (Postfix) with ESMTP id B8D94DF215 for ; Thu, 2 May 2013 09:46:03 +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 1UXq4r-0007Ud-2U; Thu, 02 May 2013 09:45:25 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UXq4U-0004gS-BZ; Thu, 02 May 2013 09:45:02 +0000 Received: from arroyo.ext.ti.com ([192.94.94.40]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UXq4O-0004eK-B4; Thu, 02 May 2013 09:44:56 +0000 Received: from dbdlxv05.itg.ti.com ([172.24.171.60]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id r429iWvX020029; Thu, 2 May 2013 04:44:33 -0500 Received: from DBDE72.ent.ti.com (dbde72.ent.ti.com [172.24.171.97]) by dbdlxv05.itg.ti.com (8.14.3/8.13.8) with ESMTP id r429iU3Z005248; Thu, 2 May 2013 04:44:31 -0500 Received: from dbdp33.itg.ti.com (172.24.170.252) by DBDE72.ent.ti.com (172.24.171.97) with Microsoft SMTP Server id 14.2.342.3; Thu, 2 May 2013 17:44:30 +0800 Received: from psplinux064.india.ti.com (smtpvbd.itg.ti.com [172.24.170.250]) by dbdp33.itg.ti.com (8.13.8/8.13.8) with ESMTP id r429iUmN006377; Thu, 2 May 2013 15:14:30 +0530 From: "Gupta, Pekon" To: , , , Subject: [PATCH v3, 3/3] ARM: dts: AM33XX: Add NAND flash device tree data to am335x-evm Date: Thu, 2 May 2013 15:14:28 +0530 Message-ID: <1367487868-14767-1-git-send-email-pekon@ti.com> X-Mailer: git-send-email 1.8.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130502_054456_462797_C557A63E X-CRM114-Status: UNSURE ( 7.49 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -9.5 (---------) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-9.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at http://www.dnswl.org/, high trust [192.94.94.40 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -2.6 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: devicetree-discuss@lists.ozlabs.org, nsekhar@ti.com, linux-kernel@vger.kernel.org, hvaibhav@ti.com, gururaja.hebbar@ti.com, zonque@gmail.com, Philip Avinash , "Gupta, Pekon" , jacmet@sunsite.dk, linux-omap@vger.kernel.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 From: Philip Avinash NAND flash connected in am335x-evm on GPMC controller. This patch adds device tree node in am3355-evm with GPMC contoller timing for NAND flash interface, NAND partition table, ECC scheme, elm handle id. Signed-off-by: Philip Avinash Signed-off-by: Gupta, Pekon --- Changes in v3: - moved GPMC pin-mux config to nand node arch/arm/boot/dts/am335x-evm.dts | 95 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 95 insertions(+) diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts index d649644..0b8f161 100644 --- a/arch/arm/boot/dts/am335x-evm.dts +++ b/arch/arm/boot/dts/am335x-evm.dts @@ -44,6 +44,26 @@ 0x154 0x27 /* spi0_d0.gpio0_3, INPUT | MODE7 */ >; }; + + nandflash_pins_s0: nandflash_pins_s0 { + pinctrl-single,pins = < + 0x0 0x30 /* gpmc_ad0.gpmc_ad0, INPUT | PULLUP | MODE0 */ + 0x4 0x30 /* gpmc_ad1.gpmc_ad1, INPUT | PULLUP | MODE0 */ + 0x8 0x30 /* gpmc_ad2.gpmc_ad2, INPUT | PULLUP | MODE0 */ + 0xc 0x30 /* gpmc_ad3.gpmc_ad3, INPUT | PULLUP | MODE0 */ + 0x10 0x30 /* gpmc_ad4.gpmc_ad4, INPUT | PULLUP | MODE0 */ + 0x14 0x30 /* gpmc_ad5.gpmc_ad5, INPUT | PULLUP | MODE0 */ + 0x18 0x30 /* gpmc_ad6.gpmc_ad6, INPUT | PULLUP | MODE0 */ + 0x1c 0x30 /* gpmc_ad7.gpmc_ad7, INPUT | PULLUP | MODE0 */ + 0x70 0x30 /* gpmc_wait0.gpmc_wait0, INPUT | PULLUP | MODE0 */ + 0x74 0x37 /* gpmc_wpn.gpio0_30, INPUT | PULLUP | MODE7 */ + 0x7c 0x8 /* gpmc_csn0.gpmc_csn0, PULL DISA */ + 0x90 0x8 /* gpmc_advn_ale.gpmc_advn_ale, PULL DISA */ + 0x94 0x8 /* gpmc_oen_ren.gpmc_oen_ren, PULL DISA */ + 0x98 0x8 /* gpmc_wen.gpmc_wen, PULL DISA */ + 0x9c 0x8 /* gpmc_be0n_cle.gpmc_be0n_cle, PULL DISA */ + >; + }; }; ocp { @@ -102,6 +122,82 @@ reg = <0x48>; }; }; + + elm: elm@48080000 { + status = "okay"; + }; + + gpmc: gpmc@50000000 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&nandflash_pins_s0>; + ranges = <0 0 0x08000000 0x10000000>; /* CS0: NAND */ + nand@0,0 { + reg = <0 0 0>; /* CS0, offset 0 */ + nand-bus-width = <8>; + ti,nand-ecc-opt = "bch8"; + + gpmc,sync-clk = <0>; + gpmc,cs-on = <0>; + gpmc,cs-rd-off = <44>; + gpmc,cs-wr-off = <44>; + gpmc,adv-on = <6>; + gpmc,adv-rd-off = <34>; + gpmc,adv-wr-off = <44>; + gpmc,we-off = <40>; + gpmc,oe-off = <54>; + gpmc,access = <64>; + gpmc,rd-cycle = <82>; + gpmc,wr-cycle = <82>; + gpmc,wr-access = <40>; + gpmc,wr-data-mux-bus = <0>; + + #address-cells = <1>; + #size-cells = <1>; + elm_id = <&elm>; + + /* MTD partition table */ + partition@0 { + label = "SPL1"; + reg = <0x00000000 0x000020000>; + }; + + partition@1 { + label = "SPL2"; + reg = <0x00020000 0x00020000>; + }; + + partition@2 { + label = "SPL3"; + reg = <0x00040000 0x00020000>; + }; + + partition@3 { + label = "SPL4"; + reg = <0x00060000 0x00020000>; + }; + + partition@4 { + label = "U-boot"; + reg = <0x00080000 0x001e0000>; + }; + + partition@5 { + label = "environment"; + reg = <0x00260000 0x00020000>; + }; + + partition@6 { + label = "Kernel"; + reg = <0x00280000 0x00500000>; + }; + + partition@7 { + label = "File-System"; + reg = <0x00780000 0x0F880000>; + }; + }; + }; }; vbat: fixedregulator@0 {