Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932707Ab0FBSJ6 (ORCPT ); Wed, 2 Jun 2010 14:09:58 -0400 Received: from mail.logicpd.com ([66.162.60.3]:24358 "EHLO smtp.logicpd.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932486Ab0FBSJ5 (ORCPT ); Wed, 2 Jun 2010 14:09:57 -0400 X-Greylist: delayed 909 seconds by postgrey-1.27 at vger.kernel.org; Wed, 02 Jun 2010 14:09:56 EDT From: Jacob Tanenbaum To: linux@arm.linux.org.uk Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Jacob Tanenbaum Subject: [PATCH 2/2] Adding low-level init for hsmmc controller for OMAP 3540LV SOM and OMAP 35x Torpedo Date: Wed, 2 Jun 2010 13:54:44 -0400 Message-Id: <1275501284-17160-2-git-send-email-Jacob.Tanenbaum@logicpd.com> X-Mailer: git-send-email 1.6.0.4 In-Reply-To: <1275501284-17160-1-git-send-email-Jacob.Tanenbaum@logicpd.com> References: <1275501284-17160-1-git-send-email-Jacob.Tanenbaum@logicpd.com> X-OriginalArrivalTime: 02 Jun 2010 17:54:46.0791 (UTC) FILETIME=[B0576970:01CB027C] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4086 Lines: 132 ARM: OMAP3LOGIC: Adding SDMMC support Add low-level initialization for hsmmc controller for LogicPD's OMAP 3530 LV SOM and OMAP 35x Torpedo board. Signed-off-by: Jacob Tanenbaum --- arch/arm/mach-omap2/board-omap3logic.c | 69 +++++++++++++++++++++++++++++++- 1 files changed, 68 insertions(+), 1 deletions(-) diff --git a/arch/arm/mach-omap2/board-omap3logic.c b/arch/arm/mach-omap2/board-omap3logic.c index fe5db85..13e0b16 100644 --- a/arch/arm/mach-omap2/board-omap3logic.c +++ b/arch/arm/mach-omap2/board-omap3logic.c @@ -33,13 +33,18 @@ #include #include "mux.h" - +#include "hsmmc.h" #include #include #include #include #include +#define OMAP3530_LV_SOM_MMC_GPIO_CD 110 +#define OMAP3530_LV_SOM_MMC_GPIO_WP 126 +#define OMAP3_TORPEDO_MMC_GPIO_CD 127 +#define OMAP3_TORPEDO_MMC_GPIO_WP (-EINVAL) + /* Micron MT46H32M32LF-6 */ /* FIXME: borrowed from sdram-micron-mt46h32m32lf-6.h because on LogicPD * boards we can't use the default values -- why? I suspect the reason @@ -80,6 +85,28 @@ static struct omap_sdrc_params mt46h32m32lf6_sdrc_params[] = { }, }; + +static struct regulator_consumer_supply omap3logic_vmmc1_supply = { + .supply = "vmmc", +}; + +/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */ +static struct regulator_init_data omap3logic_vmmc1 = { + .constraints = { + .name = "VMMC1", + .min_uV = 1850000, + .max_uV = 3150000, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE + | REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = 1, + .consumer_supplies = &omap3logic_vmmc1_supply, +}; + + static int omap3logic_twl_gpio_setup(struct device *dev, unsigned gpio, unsigned ngpio) { @@ -121,6 +148,44 @@ static int __init omap3logic_i2c_init(void) return 0; } + +static struct omap2_hsmmc_info __initdata board_mmc_info[] = { + { + .name = "external", + .mmc = 1, + .wires = 4, + .gpio_cd = -EINVAL, + .gpio_wp = -EINVAL, + }, + {} /* Terminator */ +}; + +static void __init board_mmc_init(void) +{ + /* OMAP3530 LV SOM board */ + if (machine_is_omap3530_lv_som()) { + board_mmc_info[0].gpio_cd = OMAP3530_LV_SOM_MMC_GPIO_CD; + board_mmc_info[0].gpio_wp = OMAP3530_LV_SOM_MMC_GPIO_WP; + omap_mux_init_signal("gpio_110", OMAP_PIN_OUTPUT); + omap_mux_init_signal("gpio_126", OMAP_PIN_OUTPUT); + + + /* OMAP3 Torpedo board */ + } else if (machine_is_omap3_torpedo()) { + board_mmc_info[0].gpio_cd = OMAP3_TORPEDO_MMC_GPIO_CD; + omap_mux_init_signal("gpio_127", OMAP_PIN_OUTPUT); + /* unsupported board */ + } else { + printk(KERN_ERR "%s(): unknown machine type\n", __func__); + return; + } + + omap2_hsmmc_init(board_mmc_info); + /* link regulators to MMC adapters */ + omap3logic_vmmc1_supply.dev = board_mmc_info[0].dev; +} + + static struct omap_board_config_kernel omap3logic_config[] __initdata = { }; @@ -164,6 +229,7 @@ static void __init omap3logic_map_io(void) MACHINE_START(OMAP3_TORPEDO, "Logic OMAP3 Torpedo board") /* Maintainer: Peter Barada */ + .phys_io = 0x48000000, .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, .boot_params = 0x80000100, @@ -175,6 +241,7 @@ MACHINE_END MACHINE_START(OMAP3530_LV_SOM, "OMAP Logic 3530 LV SOM board") /* Maintainer: Peter Barada */ + .phys_io = 0x48000000, .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, .boot_params = 0x80000100, -- 1.6.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/