From patchwork Fri Dec 27 09:13:52 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Simon Horman X-Patchwork-Id: 3409551 Return-Path: X-Original-To: patchwork-ltsi-dev@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 20CD99F374 for ; Fri, 27 Dec 2013 09:19:14 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 3178820115 for ; Fri, 27 Dec 2013 09:19:13 +0000 (UTC) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) by mail.kernel.org (Postfix) with ESMTP id C744720144 for ; Fri, 27 Dec 2013 09:19:11 +0000 (UTC) Received: from mail.linux-foundation.org (localhost [IPv6:::1]) by mail.linuxfoundation.org (Postfix) with ESMTP id 2E213B81; Fri, 27 Dec 2013 09:18:19 +0000 (UTC) X-Original-To: ltsi-dev@lists.linuxfoundation.org Delivered-To: ltsi-dev@mail.linuxfoundation.org Received: from smtp2.linuxfoundation.org (smtp2.linux-foundation.org [172.17.192.36]) by mail.linuxfoundation.org (Postfix) with ESMTP id E5030B09 for ; Fri, 27 Dec 2013 09:18:10 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from kirsty.vergenet.net (kirsty.vergenet.net [202.4.237.240]) by smtp2.linuxfoundation.org (Postfix) with ESMTP id DAF571DBA1 for ; Fri, 27 Dec 2013 09:18:09 +0000 (UTC) Received: from ayumi.isobedori.kobe.vergenet.net (p2020-ipbfp1604kobeminato.hyogo.ocn.ne.jp [114.154.85.20]) by kirsty.vergenet.net (Postfix) with ESMTP id A9CB42671DE; Fri, 27 Dec 2013 20:15:48 +1100 (EST) Received: by ayumi.isobedori.kobe.vergenet.net (Postfix, from userid 7100) id 49DEEEDE036; Fri, 27 Dec 2013 18:15:47 +0900 (JST) From: Simon Horman To: ltsi-dev@lists.linuxfoundation.org Date: Fri, 27 Dec 2013 18:13:52 +0900 Message-Id: <1388135720-12832-199-git-send-email-horms+renesas@verge.net.au> X-Mailer: git-send-email 1.8.4 In-Reply-To: <1388135720-12832-1-git-send-email-horms+renesas@verge.net.au> References: <1388135720-12832-1-git-send-email-horms+renesas@verge.net.au> X-Spam-Status: No, score=-2.5 required=5.0 tests=BAYES_00,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 Cc: Magnus Damm Subject: [LTSI-dev] [PATCH ltsi-3.10 198/286] ARM: shmobile: Lager:add SPI FLASH support on QSPI X-BeenThere: ltsi-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: "A list to discuss patches, development, and other things related to the LTSI project" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: ltsi-dev-bounces@lists.linuxfoundation.org Errors-To: ltsi-dev-bounces@lists.linuxfoundation.org X-Virus-Scanned: ClamAV using ClamSMTP From: Hiep Cao Minh This patch enables Spansion S25FL512SAGMFIG11 chip on QSPI, Add support for the QSPI interface on Lager. Signed-off-by: Hiep Cao Minh Acked-by: Kuninori Morimoto Signed-off-by: Simon Horman (cherry picked from commit 24cf82f44213fe4d36157d9920b59420159616ec) (Queued by Simon Horman for v3.14 but not yet in Linus's tree) Signed-off-by: Simon Horman --- arch/arm/mach-shmobile/board-lager.c | 64 ++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) diff --git a/arch/arm/mach-shmobile/board-lager.c b/arch/arm/mach-shmobile/board-lager.c index 69dcf55..c43d5cc 100644 --- a/arch/arm/mach-shmobile/board-lager.c +++ b/arch/arm/mach-shmobile/board-lager.c @@ -39,6 +39,11 @@ #include #include #include +#include +#include +#include +#include +#include /* DU */ static struct rcar_du_encoder_data lager_du_encoders[] = { @@ -166,6 +171,59 @@ static const struct resource ether_resources[] __initconst = { DEFINE_RES_IRQ(gic_spi(162)), }; +/* SPI Flash memory (Spansion S25FL512SAGMFIG11 64Mb) */ +static struct mtd_partition spi_flash_part[] = { + /* Reserved for user loader program, read-only */ + { + .name = "loader", + .offset = 0, + .size = SZ_256K, + .mask_flags = MTD_WRITEABLE, + }, + /* Reserved for user program, read-only */ + { + .name = "user", + .offset = MTDPART_OFS_APPEND, + .size = SZ_4M, + .mask_flags = MTD_WRITEABLE, + }, + /* All else is writable (e.g. JFFS2) */ + { + .name = "flash", + .offset = MTDPART_OFS_APPEND, + .size = MTDPART_SIZ_FULL, + .mask_flags = 0, + }, +}; + +static struct flash_platform_data spi_flash_data = { + .name = "m25p80", + .parts = spi_flash_part, + .nr_parts = ARRAY_SIZE(spi_flash_part), + .type = "s25fl512s", +}; + +static const struct rspi_plat_data qspi_pdata __initconst = { + .num_chipselect = 1, +}; + +static const struct spi_board_info spi_info[] __initconst = { + { + .modalias = "m25p80", + .platform_data = &spi_flash_data, + .mode = SPI_MODE_0, + .max_speed_hz = 30000000, + .bus_num = 0, + .chip_select = 0, + }, +}; + +/* QSPI resource */ +static const struct resource qspi_resources[] __initconst = { + DEFINE_RES_MEM(0xe6b10000, 0x1000), + DEFINE_RES_IRQ(gic_spi(184)), +}; + static const struct pinctrl_map lager_pinctrl_map[] = { /* DU (CN10: ARGB0, CN13: LVDS) */ PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7790", "pfc-r8a7790", @@ -223,6 +281,12 @@ static void __init lager_add_standard_devices(void) ðer_pdata, sizeof(ether_pdata)); lager_add_du_device(); + + platform_device_register_resndata(&platform_bus, "qspi", 0, + qspi_resources, + ARRAY_SIZE(qspi_resources), + &qspi_pdata, sizeof(qspi_pdata)); + spi_register_board_info(spi_info, ARRAY_SIZE(spi_info)); } /*