From patchwork Wed Dec 1 19:32:27 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Victor Rodriguez X-Patchwork-Id: 372331 Received: from devils.ext.ti.com (devils.ext.ti.com [198.47.26.153]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id oB1JY9Qk004919 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Wed, 1 Dec 2010 19:34:31 GMT Received: from dlep36.itg.ti.com ([157.170.170.91]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id oB1JY9PI013044 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Wed, 1 Dec 2010 13:34:09 -0600 Received: from linux.omap.com (localhost [127.0.0.1]) by dlep36.itg.ti.com (8.13.8/8.13.8) with ESMTP id oB1JY86c001676 for ; Wed, 1 Dec 2010 13:34:08 -0600 (CST) Received: from linux.omap.com (localhost [127.0.0.1]) by linux.omap.com (Postfix) with ESMTP id 6330480630 for ; Wed, 1 Dec 2010 13:34:08 -0600 (CST) X-Original-To: davinci-linux-open-source@linux.davincidsp.com Delivered-To: davinci-linux-open-source@linux.davincidsp.com Received: from dflp52.itg.ti.com (dflp52.itg.ti.com [128.247.22.96]) by linux.omap.com (Postfix) with ESMTP id E588580626 for ; Wed, 1 Dec 2010 13:33:51 -0600 (CST) Received: from medina.ext.ti.com (localhost [127.0.0.1]) by dflp52.itg.ti.com (8.13.7/8.13.7) with ESMTP id oB1JXpNU016608 for ; Wed, 1 Dec 2010 13:33:51 -0600 (CST) Received: from psmtp.com (na3sys009amx160.postini.com [74.125.149.86]) by medina.ext.ti.com (8.13.7/8.13.7) with SMTP id oB1JXpDV020559 for ; Wed, 1 Dec 2010 13:33:51 -0600 Received: from source ([209.85.213.45]) by na3sys009amx160.postini.com ([74.125.148.10]) with SMTP; Wed, 01 Dec 2010 11:33:51 PST Received: by mail-yw0-f45.google.com with SMTP id 4so226734ywg.4 for ; Wed, 01 Dec 2010 11:33:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:from:to:cc:subject:date :message-id:x-mailer:in-reply-to:references; bh=Cevpl6VOZVOKSZ1/lok8pm7JOZybp9y68PaPD+0NIX4=; b=BZHufRROMCl0qMgaSquMgI0Up7ZjddAy9jtq/fj6Kt+9HcSxJ8f09u/Y7LweJEK8Cd ZbljhAxF1b+NTBj7wAguOsSHYjcLLknRD6oeClEUagihosQqktvCe37hrKA62SnAGAHp c1A1Jl8UWLNDf4C0QIp5lunFicJB78R6XawMM= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; b=AKjzJnjBJ+rhNoihvKKzuanbQE3SExCu/VUzI69bdY1rtwGX8Id7MeuNmcHMyOzkSJ irpYGyyhjf7sxZqjpi40yAnU359lDT5KUVse13QnBTXAG8LRF7EwCTwgWBtHsHU9A8B4 K2vJog3VXEbFbz1p1TTbLKhgecHX4mQnW9GRk= Received: by 10.90.36.3 with SMTP id j3mr2102457agj.2.1291232028420; Wed, 01 Dec 2010 11:33:48 -0800 (PST) Received: from localhost.localdomain ([200.52.114.70]) by mx.google.com with ESMTPS id t39sm307591ano.7.2010.12.01.11.33.41 (version=TLSv1/SSLv3 cipher=RC4-MD5); Wed, 01 Dec 2010 11:33:47 -0800 (PST) From: To: davinci-linux-open-source@linux.davincidsp.com Subject: [PATCH v9 4/6] davinci: MMC/SD support for Omapl138-Hawkboard Date: Wed, 1 Dec 2010 13:32:27 -0600 Message-Id: <1291231949-23835-5-git-send-email-vm.rod25@gmail.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1291231949-23835-1-git-send-email-vm.rod25@gmail.com> References: <1291231949-23835-1-git-send-email-vm.rod25@gmail.com> X-pstn-neptune: 0/0/0.00/0 X-pstn-levels: (S:91.72429/99.90000 CV:99.9000 FC:95.5390 LC:95.5390 R:95.9108 P:95.9108 M:97.0282 C:98.6951 ) X-pstn-settings: 2 (0.5000:0.0750) s cv GT3 gt2 gt1 r p m c X-pstn-addresses: from [db-null] Cc: Russell King , Victor Rodriguez , linux-arm-kernel@lists.infradead.org X-BeenThere: davinci-linux-open-source@linux.davincidsp.com X-Mailman-Version: 2.1.12 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: davinci-linux-open-source-bounces+patchwork-davinci=patchwork.kernel.org@linux.davincidsp.com Errors-To: davinci-linux-open-source-bounces+patchwork-davinci=patchwork.kernel.org@linux.davincidsp.com X-Greylist: Sender succeeded STARTTLS authentication, not delayed by milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]); Wed, 01 Dec 2010 19:34:31 +0000 (UTC) diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c b/arch/arm/mach-davinci/board-omapl138-hawk.c index cefff9b..d0c853f 100644 --- a/arch/arm/mach-davinci/board-omapl138-hawk.c +++ b/arch/arm/mach-davinci/board-omapl138-hawk.c @@ -22,6 +22,8 @@ #include #define HAWKBOARD_PHY_ID "0:07" +#define DA850_HAWK_MMCSD_CD_PIN GPIO_TO_PIN(3, 12) +#define DA850_HAWK_MMCSD_WP_PIN GPIO_TO_PIN(3, 13) static short omapl138_hawk_mii_pins[] __initdata = { DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3, @@ -110,6 +112,65 @@ static struct edma_rsv_info *da850_edma_rsv[2] = { &da850_edma_cc1_rsv, }; +static const short hawk_mmcsd0_pins[] = { + DA850_MMCSD0_DAT_0, DA850_MMCSD0_DAT_1, DA850_MMCSD0_DAT_2, + DA850_MMCSD0_DAT_3, DA850_MMCSD0_CLK, DA850_MMCSD0_CMD, + DA850_GPIO3_12, DA850_GPIO3_13, + -1 +}; + +static int da850_hawk_mmc_get_ro(int index) +{ + return gpio_get_value(DA850_HAWK_MMCSD_WP_PIN); +} + +static int da850_hawk_mmc_get_cd(int index) +{ + return !gpio_get_value(DA850_HAWK_MMCSD_CD_PIN); +} + +static struct davinci_mmc_config da850_mmc_config = { + .get_ro = da850_hawk_mmc_get_ro, + .get_cd = da850_hawk_mmc_get_cd, + .wires = 4, + .max_freq = 50000000, + .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED, + .version = MMC_CTLR_VERSION_2, +}; + +static __init void omapl138_hawk_mmc_init(void) +{ + int ret; + + ret = davinci_cfg_reg_list(hawk_mmcsd0_pins); + if (ret) { + pr_warning("%s: MMC/SD0 mux setup failed: %d\n", + __func__, ret); + return; + } + + ret = gpio_request_one(DA850_HAWK_MMCSD_CD_PIN, + GPIOF_DIR_IN, "MMC CD"); + if (ret < 0) { + pr_warning("%s: can not open GPIO %d\n", + __func__, DA850_HAWK_MMCSD_CD_PIN); + return; + } + + ret = gpio_request_one(DA850_HAWK_MMCSD_WP_PIN, + GPIOF_DIR_IN, "MMC WP"); + if (ret < 0) { + pr_warning("%s: can not open GPIO %d\n", + __func__, DA850_HAWK_MMCSD_WP_PIN); + return; + } + + ret = da8xx_register_mmcsd0(&da850_mmc_config); + if (ret) + pr_warning("%s: MMC/SD0 registration failed: %d\n", + __func__, ret); +} + static struct davinci_uart_config omapl138_hawk_uart_config __initdata = { .enabled_uarts = 0x7, }; @@ -127,6 +188,8 @@ static __init void omapl138_hawk_init(void) pr_warning("%s: EDMA registration failed: %d\n", __func__, ret); + omapl138_hawk_mmc_init(); + ret = da8xx_register_watchdog(); if (ret) pr_warning("omapl138_hawk_init: "