diff --git a/arch/arm/mach-omap1/board-innovator.c b/arch/arm/mach-omap1/board-innovator.c
index 8ffb06fc0f08..af2fb9070083 100644
--- a/arch/arm/mach-omap1/board-innovator.c
+++ b/arch/arm/mach-omap1/board-innovator.c
@@ -385,7 +385,7 @@ static struct omap_mmc_platform_data mmc1_data = {
 	.nr_slots                       = 1,
 	.slots[0]       = {
 		.set_power		= mmc_set_power,
-		.wire4			= 1,
+		.wires			= 4,
 		.name                   = "mmcblk",
 	},
 };
diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c
index 024dab13d4b4..77382d8b6b2f 100644
--- a/arch/arm/mach-omap1/devices.c
+++ b/arch/arm/mach-omap1/devices.c
@@ -116,7 +116,7 @@ static inline void omap1_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
 			omap_cfg_reg(P19_1710_MMC_CMDDIR);
 			omap_cfg_reg(P20_1710_MMC_DATDIR0);
 		}
-		if (mmc_controller->slots[0].wire4) {
+		if (mmc_controller->slots[0].wires == 4) {
 			omap_cfg_reg(MMC_DAT1);
 			/* NOTE: DAT2 can be on W10 (here) or M15 */
 			if (!mmc_controller->slots[0].nomux)
@@ -132,7 +132,7 @@ static inline void omap1_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
 			omap_cfg_reg(Y10_1610_MMC2_CLK);
 			omap_cfg_reg(R18_1610_MMC2_CLKIN);
 			omap_cfg_reg(W8_1610_MMC2_DAT0);
-			if (mmc_controller->slots[1].wire4) {
+			if (mmc_controller->slots[1].wires == 4) {
 				omap_cfg_reg(V8_1610_MMC2_DAT1);
 				omap_cfg_reg(W15_1610_MMC2_DAT2);
 				omap_cfg_reg(R10_1610_MMC2_DAT3);
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index f12c43e4932f..bbd12bc10fdc 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -27,10 +27,15 @@ obj-$(CONFIG_ARCH_OMAP3)		+= clock34xx.o
 # Specific board support
 obj-$(CONFIG_MACH_OMAP_GENERIC)		+= board-generic.o
 obj-$(CONFIG_MACH_OMAP_H4)		+= board-h4.o
-obj-$(CONFIG_MACH_OMAP_2430SDP)		+= board-2430sdp.o
+obj-$(CONFIG_MACH_OMAP_2430SDP)		+= board-2430sdp.o \
+					   mmc-twl4030.o
 obj-$(CONFIG_MACH_OMAP_APOLLON)		+= board-apollon.o
-obj-$(CONFIG_MACH_OMAP3_BEAGLE)		+= board-omap3beagle.o
-obj-$(CONFIG_MACH_OMAP_LDP)		+= board-ldp.o
-obj-$(CONFIG_MACH_OVERO)		+= board-overo.o
-obj-$(CONFIG_MACH_OMAP3_PANDORA)	+= board-omap3pandora.o
+obj-$(CONFIG_MACH_OMAP3_BEAGLE)		+= board-omap3beagle.o \
+					   mmc-twl4030.o
+obj-$(CONFIG_MACH_OMAP_LDP)		+= board-ldp.o \
+					   mmc-twl4030.o
+obj-$(CONFIG_MACH_OVERO)		+= board-overo.o \
+					   mmc-twl4030.o
+obj-$(CONFIG_MACH_OMAP3_PANDORA)	+= board-omap3pandora.o \
+					   mmc-twl4030.o
 
diff --git a/arch/arm/mach-omap2/board-2430sdp.c b/arch/arm/mach-omap2/board-2430sdp.c
index 6748de6e19a8..83fa37211d77 100644
--- a/arch/arm/mach-omap2/board-2430sdp.c
+++ b/arch/arm/mach-omap2/board-2430sdp.c
@@ -19,6 +19,7 @@
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 #include <linux/delay.h>
+#include <linux/i2c/twl4030.h>
 #include <linux/err.h>
 #include <linux/clk.h>
 #include <linux/io.h>
@@ -35,6 +36,7 @@
 #include <mach/common.h>
 #include <mach/gpmc.h>
 
+#include "mmc-twl4030.h"
 
 #define	SDP2430_FLASH_CS	0
 #define	SDP2430_SMC91X_CS	5
@@ -197,12 +199,58 @@ static struct omap_board_config_kernel sdp2430_config[] = {
 	{OMAP_TAG_UART, &sdp2430_uart_config},
 };
 
+
+static struct twl4030_gpio_platform_data sdp2430_gpio_data = {
+	.gpio_base	= OMAP_MAX_GPIO_LINES,
+	.irq_base	= TWL4030_GPIO_IRQ_BASE,
+	.irq_end	= TWL4030_GPIO_IRQ_END,
+};
+
+static struct twl4030_platform_data sdp2430_twldata = {
+	.irq_base	= TWL4030_IRQ_BASE,
+	.irq_end	= TWL4030_IRQ_END,
+
+	/* platform_data for children goes here */
+	.gpio		= &sdp2430_gpio_data,
+};
+
+static struct i2c_board_info __initdata sdp2430_i2c_boardinfo[] = {
+	{
+		I2C_BOARD_INFO("twl4030", 0x48),
+		.flags = I2C_CLIENT_WAKE,
+		.irq = INT_24XX_SYS_NIRQ,
+		.platform_data = &sdp2430_twldata,
+	},
+};
+
+static int __init omap2430_i2c_init(void)
+{
+	omap_register_i2c_bus(1, 400, NULL, 0);
+	omap_register_i2c_bus(2, 2600, sdp2430_i2c_boardinfo,
+			ARRAY_SIZE(sdp2430_i2c_boardinfo));
+	return 0;
+}
+
+static struct twl4030_hsmmc_info mmc[] __initdata = {
+	{
+		.mmc		= 1,
+		.wires		= 4,
+		.gpio_cd	= -EINVAL,
+		.gpio_wp	= -EINVAL,
+		.ext_clock	= 1,
+	},
+	{}	/* Terminator */
+};
+
 static void __init omap_2430sdp_init(void)
 {
+	omap2430_i2c_init();
+
 	platform_add_devices(sdp2430_devices, ARRAY_SIZE(sdp2430_devices));
 	omap_board_config = sdp2430_config;
 	omap_board_config_size = ARRAY_SIZE(sdp2430_config);
 	omap_serial_init();
+	twl4030_mmc_init(mmc);
 }
 
 static void __init omap_2430sdp_map_io(void)
diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c
index 43c7ac4b7f8f..aa6972781e4a 100644
--- a/arch/arm/mach-omap2/board-ldp.c
+++ b/arch/arm/mach-omap2/board-ldp.c
@@ -21,6 +21,7 @@
 #include <linux/clk.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/ads7846.h>
+#include <linux/i2c/twl4030.h>
 
 #include <mach/hardware.h>
 #include <asm/mach-types.h>
@@ -38,6 +39,8 @@
 #include <asm/delay.h>
 #include <mach/control.h>
 
+#include "mmc-twl4030.h"
+
 #define SDP3430_SMC91X_CS	3
 
 static struct resource ldp_smc911x_resources[] = {
@@ -109,14 +112,48 @@ static struct omap_board_config_kernel ldp_config[] __initdata = {
 	{ OMAP_TAG_UART,	&ldp_uart_config },
 };
 
+static struct twl4030_gpio_platform_data ldp_gpio_data = {
+	.gpio_base	= OMAP_MAX_GPIO_LINES,
+	.irq_base	= TWL4030_GPIO_IRQ_BASE,
+	.irq_end	= TWL4030_GPIO_IRQ_END,
+};
+
+static struct twl4030_platform_data ldp_twldata = {
+	.irq_base	= TWL4030_IRQ_BASE,
+	.irq_end	= TWL4030_IRQ_END,
+
+	/* platform_data for children goes here */
+	.gpio		= &ldp_gpio_data,
+};
+
+static struct i2c_board_info __initdata ldp_i2c_boardinfo[] = {
+	{
+		I2C_BOARD_INFO("twl4030", 0x48),
+		.flags = I2C_CLIENT_WAKE,
+		.irq = INT_34XX_SYS_NIRQ,
+		.platform_data = &ldp_twldata,
+	},
+};
+
 static int __init omap_i2c_init(void)
 {
-	omap_register_i2c_bus(1, 2600, NULL, 0);
+	omap_register_i2c_bus(1, 2600, ldp_i2c_boardinfo,
+			ARRAY_SIZE(ldp_i2c_boardinfo));
 	omap_register_i2c_bus(2, 400, NULL, 0);
 	omap_register_i2c_bus(3, 400, NULL, 0);
 	return 0;
 }
 
+static struct twl4030_hsmmc_info mmc[] __initdata = {
+	{
+		.mmc		= 1,
+		.wires		= 4,
+		.gpio_cd	= -EINVAL,
+		.gpio_wp	= -EINVAL,
+	},
+	{}	/* Terminator */
+};
+
 static void __init omap_ldp_init(void)
 {
 	omap_i2c_init();
@@ -124,6 +161,7 @@ static void __init omap_ldp_init(void)
 	omap_board_config = ldp_config;
 	omap_board_config_size = ARRAY_SIZE(ldp_config);
 	omap_serial_init();
+	twl4030_mmc_init(mmc);
 }
 
 static void __init omap_ldp_map_io(void)
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index baa79674e9d5..9e5ada01b5fa 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -38,7 +38,9 @@
 #include <mach/common.h>
 #include <mach/gpmc.h>
 #include <mach/nand.h>
+#include <mach/mux.h>
 
+#include "mmc-twl4030.h"
 
 #define GPMC_CS0_BASE  0x60
 #define GPMC_CS_SIZE   0x30
@@ -103,6 +105,78 @@ static struct omap_uart_config omap3_beagle_uart_config __initdata = {
 	.enabled_uarts	= ((1 << 0) | (1 << 1) | (1 << 2)),
 };
 
+static struct twl4030_hsmmc_info mmc[] = {
+	{
+		.mmc		= 1,
+		.wires		= 8,
+		.gpio_wp	= 29,
+	},
+	{}	/* Terminator */
+};
+
+static struct gpio_led gpio_leds[];
+
+static int beagle_twl_gpio_setup(struct device *dev,
+		unsigned gpio, unsigned ngpio)
+{
+	/* gpio + 0 is "mmc0_cd" (input/IRQ) */
+
+	/* REVISIT: need ehci-omap hooks for external VBUS
+	 * power switch and overcurrent detect
+	 */
+
+	gpio_request(gpio + 1, "EHCI_nOC");
+	gpio_direction_input(gpio + 1);
+
+	/* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active low) */
+	gpio_request(gpio + TWL4030_GPIO_MAX, "nEN_USB_PWR");
+	gpio_direction_output(gpio + TWL4030_GPIO_MAX, 1);
+
+	/* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
+	gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
+
+	return 0;
+}
+
+static struct twl4030_gpio_platform_data beagle_gpio_data = {
+	.gpio_base	= OMAP_MAX_GPIO_LINES,
+	.irq_base	= TWL4030_GPIO_IRQ_BASE,
+	.irq_end	= TWL4030_GPIO_IRQ_END,
+	.use_leds	= true,
+	.pullups	= BIT(1),
+	.pulldowns	= BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
+				| BIT(15) | BIT(16) | BIT(17),
+	.setup		= beagle_twl_gpio_setup,
+};
+
+static struct twl4030_platform_data beagle_twldata = {
+	.irq_base	= TWL4030_IRQ_BASE,
+	.irq_end	= TWL4030_IRQ_END,
+
+	/* platform_data for children goes here */
+	.gpio		= &beagle_gpio_data,
+};
+
+static struct i2c_board_info __initdata beagle_i2c_boardinfo[] = {
+	{
+		I2C_BOARD_INFO("twl4030", 0x48),
+		.flags = I2C_CLIENT_WAKE,
+		.irq = INT_34XX_SYS_NIRQ,
+		.platform_data = &beagle_twldata,
+	},
+};
+
+static int __init omap3_beagle_i2c_init(void)
+{
+	omap_register_i2c_bus(1, 2600, beagle_i2c_boardinfo,
+			ARRAY_SIZE(beagle_i2c_boardinfo));
+#ifdef CONFIG_I2C2_OMAP_BEAGLE
+	omap_register_i2c_bus(2, 400, NULL, 0);
+#endif
+	omap_register_i2c_bus(3, 400, NULL, 0);
+	return 0;
+}
+
 static void __init omap3_beagle_init_irq(void)
 {
 	omap2_init_common_hw();
@@ -130,6 +204,11 @@ static struct gpio_led gpio_leds[] = {
 		.default_trigger	= "mmc0",
 		.gpio			= 149,
 	},
+	{
+		.name			= "beagleboard::pmu_stat",
+		.gpio			= -EINVAL,	/* gets replaced */
+		.active_low		= true,
+	},
 };
 
 static struct gpio_led_platform_data gpio_led_info = {
@@ -218,11 +297,22 @@ static void __init omap3beagle_flash_init(void)
 
 static void __init omap3_beagle_init(void)
 {
+	omap3_beagle_i2c_init();
 	platform_add_devices(omap3_beagle_devices,
 			ARRAY_SIZE(omap3_beagle_devices));
 	omap_board_config = omap3_beagle_config;
 	omap_board_config_size = ARRAY_SIZE(omap3_beagle_config);
 	omap_serial_init();
+
+	omap_cfg_reg(AH8_34XX_GPIO29);
+	mmc[0].gpio_cd = gpio + 0;
+	twl4030_mmc_init(mmc);
+
+	omap_cfg_reg(J25_34XX_GPIO170);
+	gpio_request(170, "DVI_nPD");
+	/* REVISIT leave DVI powered down until it's needed ... */
+	gpio_direction_output(170, true);
+
 	omap3beagle_flash_init();
 }
 
diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c
index 7236c7be05b3..b3196107afdb 100644
--- a/arch/arm/mach-omap2/board-omap3pandora.c
+++ b/arch/arm/mach-omap2/board-omap3pandora.c
@@ -35,16 +35,48 @@
 #include <mach/hardware.h>
 #include <mach/mcspi.h>
 
+#include "mmc-twl4030.h"
+
 #define OMAP3_PANDORA_TS_GPIO		94
 
+static struct twl4030_hsmmc_info omap3pandora_mmc[] = {
+	{
+		.mmc		= 1,
+		.wires		= 4,
+		.gpio_cd	= -EINVAL,
+		.gpio_wp	= 126,
+		.ext_clock	= 0,
+	},
+	{
+		.mmc		= 2,
+		.wires		= 4,
+		.gpio_cd	= -EINVAL,
+		.gpio_wp	= 127,
+		.ext_clock	= 1,
+	},
+	{}	/* Terminator */
+};
+
 static struct omap_uart_config omap3pandora_uart_config __initdata = {
 	.enabled_uarts	= (1 << 2), /* UART3 */
 };
 
+static int omap3pandora_twl_gpio_setup(struct device *dev,
+		unsigned gpio, unsigned ngpio)
+{
+	/* gpio + {0,1} is "mmc{0,1}_cd" (input/IRQ) */
+	omap3pandora_mmc[0].gpio_cd = gpio + 0;
+	omap3pandora_mmc[1].gpio_cd = gpio + 1;
+	twl4030_mmc_init(omap3pandora_mmc);
+
+	return 0;
+}
+
 static struct twl4030_gpio_platform_data omap3pandora_gpio_data = {
 	.gpio_base	= OMAP_MAX_GPIO_LINES,
 	.irq_base	= TWL4030_GPIO_IRQ_BASE,
 	.irq_end	= TWL4030_GPIO_IRQ_END,
+	.setup		= omap3pandora_twl_gpio_setup,
 };
 
 static struct twl4030_usb_data omap3pandora_usb_data = {
diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c
index e09aa59a399c..82b3dc557c96 100644
--- a/arch/arm/mach-omap2/board-overo.c
+++ b/arch/arm/mach-omap2/board-overo.c
@@ -26,6 +26,7 @@
 #include <linux/io.h>
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
+#include <linux/i2c/twl4030.h>
 
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/nand.h>
@@ -44,6 +45,8 @@
 #include <mach/hardware.h>
 #include <mach/nand.h>
 
+#include "mmc-twl4030.h"
+
 #define NAND_BLOCK_SIZE SZ_128K
 #define GPMC_CS0_BASE  0x60
 #define GPMC_CS_SIZE   0x30
@@ -139,8 +142,31 @@ static struct omap_uart_config overo_uart_config __initdata = {
 	.enabled_uarts	= ((1 << 0) | (1 << 1) | (1 << 2)),
 };
 
+static struct twl4030_gpio_platform_data overo_gpio_data = {
+	.gpio_base	= OMAP_MAX_GPIO_LINES,
+	.irq_base	= TWL4030_GPIO_IRQ_BASE,
+	.irq_end	= TWL4030_GPIO_IRQ_END,
+};
+
+static struct twl4030_platform_data overo_twldata = {
+	.irq_base	= TWL4030_IRQ_BASE,
+	.irq_end	= TWL4030_IRQ_END,
+	.gpio		= &overo_gpio_data,
+};
+
+static struct i2c_board_info __initdata overo_i2c_boardinfo[] = {
+	{
+		I2C_BOARD_INFO("twl4030", 0x48),
+		.flags = I2C_CLIENT_WAKE,
+		.irq = INT_34XX_SYS_NIRQ,
+		.platform_data = &overo_twldata,
+	},
+};
+
 static int __init overo_i2c_init(void)
 {
+	omap_register_i2c_bus(1, 2600, overo_i2c_boardinfo,
+			ARRAY_SIZE(overo_i2c_boardinfo));
 	/* i2c2 pins are used for gpio */
 	omap_register_i2c_bus(3, 400, NULL, 0);
 	return 0;
@@ -171,6 +197,22 @@ static struct platform_device *overo_devices[] __initdata = {
 	&overo_lcd_device,
 };
 
+static struct twl4030_hsmmc_info mmc[] __initdata = {
+	{
+		.mmc		= 1,
+		.wires		= 4,
+		.gpio_cd	= -EINVAL,
+		.gpio_wp	= -EINVAL,
+	},
+	{
+		.mmc		= 2,
+		.wires		= 4,
+		.gpio_cd	= -EINVAL,
+		.gpio_wp	= -EINVAL,
+	},
+	{}	/* Terminator */
+};
+
 static void __init overo_init(void)
 {
 	overo_i2c_init();
@@ -178,6 +220,7 @@ static void __init overo_init(void)
 	omap_board_config = overo_config;
 	omap_board_config_size = ARRAY_SIZE(overo_config);
 	omap_serial_init();
+	twl4030_mmc_init(mmc);
 	overo_flash_init();
 
 	if ((gpio_request(OVERO_GPIO_W2W_NRESET,
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 8ccdfcf2942c..6e03272b0521 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -19,6 +19,7 @@
 #include <asm/mach-types.h>
 #include <asm/mach/map.h>
 
+#include <mach/control.h>
 #include <mach/tc.h>
 #include <mach/board.h>
 #include <mach/mux.h>
@@ -311,7 +312,7 @@ static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
 		omap_cfg_reg(F20_24XX_MMC_DAT0);
 		omap_cfg_reg(F19_24XX_MMC_DAT_DIR0);
 		omap_cfg_reg(G18_24XX_MMC_CMD_DIR);
-		if (mmc_controller->slots[0].wire4) {
+		if (mmc_controller->slots[0].wires == 4) {
 			omap_cfg_reg(H14_24XX_MMC_DAT1);
 			omap_cfg_reg(E19_24XX_MMC_DAT2);
 			omap_cfg_reg(D19_24XX_MMC_DAT3);
diff --git a/arch/arm/mach-omap2/mmc-twl4030.c b/arch/arm/mach-omap2/mmc-twl4030.c
new file mode 100644
index 000000000000..437f52073f6e
--- /dev/null
+++ b/arch/arm/mach-omap2/mmc-twl4030.c
@@ -0,0 +1,408 @@
+/*
+ * linux/arch/arm/mach-omap2/mmc-twl4030.c
+ *
+ * Copyright (C) 2007-2008 Texas Instruments
+ * Copyright (C) 2008 Nokia Corporation
+ * Author: Texas Instruments
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/i2c/twl4030.h>
+
+#include <mach/hardware.h>
+#include <mach/control.h>
+#include <mach/mmc.h>
+#include <mach/board.h>
+
+#include "mmc-twl4030.h"
+
+#if defined(CONFIG_TWL4030_CORE) && \
+	(defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE))
+
+#define LDO_CLR			0x00
+#define VSEL_S2_CLR		0x40
+
+#define VMMC1_DEV_GRP		0x27
+#define VMMC1_CLR		0x00
+#define VMMC1_315V		0x03
+#define VMMC1_300V		0x02
+#define VMMC1_285V		0x01
+#define VMMC1_185V		0x00
+#define VMMC1_DEDICATED		0x2A
+
+#define VMMC2_DEV_GRP		0x2B
+#define VMMC2_CLR		0x40
+#define VMMC2_315V		0x0c
+#define VMMC2_300V		0x0b
+#define VMMC2_285V		0x0a
+#define VMMC2_260V		0x08
+#define VMMC2_185V		0x06
+#define VMMC2_DEDICATED		0x2E
+
+#define VMMC_DEV_GRP_P1		0x20
+
+static u16 control_pbias_offset;
+static u16 control_devconf1_offset;
+
+#define HSMMC_NAME_LEN	9
+
+static struct twl_mmc_controller {
+	struct omap_mmc_platform_data	*mmc;
+	u8		twl_vmmc_dev_grp;
+	u8		twl_mmc_dedicated;
+	char		name[HSMMC_NAME_LEN];
+} hsmmc[] = {
+	{
+		.twl_vmmc_dev_grp		= VMMC1_DEV_GRP,
+		.twl_mmc_dedicated		= VMMC1_DEDICATED,
+	},
+	{
+		.twl_vmmc_dev_grp		= VMMC2_DEV_GRP,
+		.twl_mmc_dedicated		= VMMC2_DEDICATED,
+	},
+};
+
+static int twl_mmc_card_detect(int irq)
+{
+	unsigned i;
+
+	for (i = 0; i < ARRAY_SIZE(hsmmc); i++) {
+		struct omap_mmc_platform_data *mmc;
+
+		mmc = hsmmc[i].mmc;
+		if (!mmc)
+			continue;
+		if (irq != mmc->slots[0].card_detect_irq)
+			continue;
+
+		/* NOTE: assumes card detect signal is active-low */
+		return !gpio_get_value_cansleep(mmc->slots[0].switch_pin);
+	}
+	return -ENOSYS;
+}
+
+static int twl_mmc_get_ro(struct device *dev, int slot)
+{
+	struct omap_mmc_platform_data *mmc = dev->platform_data;
+
+	/* NOTE: assumes write protect signal is active-high */
+	return gpio_get_value_cansleep(mmc->slots[0].gpio_wp);
+}
+
+/*
+ * MMC Slot Initialization.
+ */
+static int twl_mmc_late_init(struct device *dev)
+{
+	struct omap_mmc_platform_data *mmc = dev->platform_data;
+	int ret = 0;
+	int i;
+
+	ret = gpio_request(mmc->slots[0].switch_pin, "mmc_cd");
+	if (ret)
+		goto done;
+	ret = gpio_direction_input(mmc->slots[0].switch_pin);
+	if (ret)
+		goto err;
+
+	for (i = 0; i < ARRAY_SIZE(hsmmc); i++) {
+		if (hsmmc[i].name == mmc->slots[0].name) {
+			hsmmc[i].mmc = mmc;
+			break;
+		}
+	}
+
+	return 0;
+
+err:
+	gpio_free(mmc->slots[0].switch_pin);
+done:
+	mmc->slots[0].card_detect_irq = 0;
+	mmc->slots[0].card_detect = NULL;
+
+	dev_err(dev, "err %d configuring card detect\n", ret);
+	return ret;
+}
+
+static void twl_mmc_cleanup(struct device *dev)
+{
+	struct omap_mmc_platform_data *mmc = dev->platform_data;
+
+	gpio_free(mmc->slots[0].switch_pin);
+}
+
+#ifdef CONFIG_PM
+
+static int twl_mmc_suspend(struct device *dev, int slot)
+{
+	struct omap_mmc_platform_data *mmc = dev->platform_data;
+
+	disable_irq(mmc->slots[0].card_detect_irq);
+	return 0;
+}
+
+static int twl_mmc_resume(struct device *dev, int slot)
+{
+	struct omap_mmc_platform_data *mmc = dev->platform_data;
+
+	enable_irq(mmc->slots[0].card_detect_irq);
+	return 0;
+}
+
+#else
+#define twl_mmc_suspend	NULL
+#define twl_mmc_resume	NULL
+#endif
+
+/*
+ * Sets the MMC voltage in twl4030
+ */
+static int twl_mmc_set_voltage(struct twl_mmc_controller *c, int vdd)
+{
+	int ret;
+	u8 vmmc, dev_grp_val;
+
+	switch (1 << vdd) {
+	case MMC_VDD_35_36:
+	case MMC_VDD_34_35:
+	case MMC_VDD_33_34:
+	case MMC_VDD_32_33:
+	case MMC_VDD_31_32:
+	case MMC_VDD_30_31:
+		if (c->twl_vmmc_dev_grp == VMMC1_DEV_GRP)
+			vmmc = VMMC1_315V;
+		else
+			vmmc = VMMC2_315V;
+		break;
+	case MMC_VDD_29_30:
+		if (c->twl_vmmc_dev_grp == VMMC1_DEV_GRP)
+			vmmc = VMMC1_315V;
+		else
+			vmmc = VMMC2_300V;
+		break;
+	case MMC_VDD_27_28:
+	case MMC_VDD_26_27:
+		if (c->twl_vmmc_dev_grp == VMMC1_DEV_GRP)
+			vmmc = VMMC1_285V;
+		else
+			vmmc = VMMC2_285V;
+		break;
+	case MMC_VDD_25_26:
+	case MMC_VDD_24_25:
+	case MMC_VDD_23_24:
+	case MMC_VDD_22_23:
+	case MMC_VDD_21_22:
+	case MMC_VDD_20_21:
+		if (c->twl_vmmc_dev_grp == VMMC1_DEV_GRP)
+			vmmc = VMMC1_285V;
+		else
+			vmmc = VMMC2_260V;
+		break;
+	case MMC_VDD_165_195:
+		if (c->twl_vmmc_dev_grp == VMMC1_DEV_GRP)
+			vmmc = VMMC1_185V;
+		else
+			vmmc = VMMC2_185V;
+		break;
+	default:
+		vmmc = 0;
+		break;
+	}
+
+	if (vmmc)
+		dev_grp_val = VMMC_DEV_GRP_P1;	/* Power up */
+	else
+		dev_grp_val = LDO_CLR;		/* Power down */
+
+	ret = twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
+					dev_grp_val, c->twl_vmmc_dev_grp);
+	if (ret)
+		return ret;
+
+	ret = twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
+					vmmc, c->twl_mmc_dedicated);
+
+	return ret;
+}
+
+static int twl_mmc1_set_power(struct device *dev, int slot, int power_on,
+				int vdd)
+{
+	u32 reg;
+	int ret = 0;
+	struct twl_mmc_controller *c = &hsmmc[0];
+	struct omap_mmc_platform_data *mmc = dev->platform_data;
+
+	if (power_on) {
+		if (cpu_is_omap2430()) {
+			reg = omap_ctrl_readl(OMAP243X_CONTROL_DEVCONF1);
+			if ((1 << vdd) >= MMC_VDD_30_31)
+				reg |= OMAP243X_MMC1_ACTIVE_OVERWRITE;
+			else
+				reg &= ~OMAP243X_MMC1_ACTIVE_OVERWRITE;
+			omap_ctrl_writel(reg, OMAP243X_CONTROL_DEVCONF1);
+		}
+
+		if (mmc->slots[0].internal_clock) {
+			reg = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
+			reg |= OMAP2_MMCSDIO1ADPCLKISEL;
+			omap_ctrl_writel(reg, OMAP2_CONTROL_DEVCONF0);
+		}
+
+		reg = omap_ctrl_readl(control_pbias_offset);
+		reg |= OMAP2_PBIASSPEEDCTRL0;
+		reg &= ~OMAP2_PBIASLITEPWRDNZ0;
+		omap_ctrl_writel(reg, control_pbias_offset);
+
+		ret = twl_mmc_set_voltage(c, vdd);
+
+		/* 100ms delay required for PBIAS configuration */
+		msleep(100);
+		reg = omap_ctrl_readl(control_pbias_offset);
+		reg |= (OMAP2_PBIASLITEPWRDNZ0 | OMAP2_PBIASSPEEDCTRL0);
+		if ((1 << vdd) <= MMC_VDD_165_195)
+			reg &= ~OMAP2_PBIASLITEVMODE0;
+		else
+			reg |= OMAP2_PBIASLITEVMODE0;
+		omap_ctrl_writel(reg, control_pbias_offset);
+	} else {
+		reg = omap_ctrl_readl(control_pbias_offset);
+		reg &= ~OMAP2_PBIASLITEPWRDNZ0;
+		omap_ctrl_writel(reg, control_pbias_offset);
+
+		ret = twl_mmc_set_voltage(c, 0);
+
+		/* 100ms delay required for PBIAS configuration */
+		msleep(100);
+		reg = omap_ctrl_readl(control_pbias_offset);
+		reg |= (OMAP2_PBIASSPEEDCTRL0 | OMAP2_PBIASLITEPWRDNZ0 |
+			OMAP2_PBIASLITEVMODE0);
+		omap_ctrl_writel(reg, control_pbias_offset);
+	}
+
+	return ret;
+}
+
+static int twl_mmc2_set_power(struct device *dev, int slot, int power_on, int vdd)
+{
+	int ret;
+	struct twl_mmc_controller *c = &hsmmc[1];
+	struct omap_mmc_platform_data *mmc = dev->platform_data;
+
+	if (power_on) {
+		if (mmc->slots[0].internal_clock) {
+			u32 reg;
+
+			reg = omap_ctrl_readl(control_devconf1_offset);
+			reg |= OMAP2_MMCSDIO2ADPCLKISEL;
+			omap_ctrl_writel(reg, control_devconf1_offset);
+		}
+		ret = twl_mmc_set_voltage(c, vdd);
+	} else {
+		ret = twl_mmc_set_voltage(c, 0);
+	}
+
+	return ret;
+}
+
+static struct omap_mmc_platform_data *hsmmc_data[OMAP34XX_NR_MMC] __initdata;
+
+void __init twl4030_mmc_init(struct twl4030_hsmmc_info *controllers)
+{
+	struct twl4030_hsmmc_info *c;
+	int nr_hsmmc = ARRAY_SIZE(hsmmc_data);
+
+	if (cpu_is_omap2430()) {
+		control_pbias_offset = OMAP243X_CONTROL_PBIAS_LITE;
+		control_devconf1_offset = OMAP243X_CONTROL_DEVCONF1;
+		nr_hsmmc = 2;
+	} else {
+		control_pbias_offset = OMAP343X_CONTROL_PBIAS_LITE;
+		control_devconf1_offset = OMAP343X_CONTROL_DEVCONF1;
+	}
+
+	for (c = controllers; c->mmc; c++) {
+		struct twl_mmc_controller *twl = hsmmc + c->mmc - 1;
+		struct omap_mmc_platform_data *mmc = hsmmc_data[c->mmc - 1];
+
+		if (!c->mmc || c->mmc > nr_hsmmc) {
+			pr_debug("MMC%d: no such controller\n", c->mmc);
+			continue;
+		}
+		if (mmc) {
+			pr_debug("MMC%d: already configured\n", c->mmc);
+			continue;
+		}
+
+		mmc = kzalloc(sizeof(struct omap_mmc_platform_data), GFP_KERNEL);
+		if (!mmc) {
+			pr_err("Cannot allocate memory for mmc device!\n");
+			return;
+		}
+
+		sprintf(twl->name, "mmc%islot%i", c->mmc, 1);
+		mmc->slots[0].name = twl->name;
+		mmc->nr_slots = 1;
+		mmc->slots[0].ocr_mask = MMC_VDD_165_195 |
+					MMC_VDD_26_27 | MMC_VDD_27_28 |
+					MMC_VDD_29_30 |
+					MMC_VDD_30_31 | MMC_VDD_31_32;
+		mmc->slots[0].wires = c->wires;
+		mmc->slots[0].internal_clock = !c->ext_clock;
+		mmc->dma_mask = 0xffffffff;
+
+		/* note: twl4030 card detect GPIOs normally switch VMMCx ... */
+		if (gpio_is_valid(c->gpio_cd)) {
+			mmc->init = twl_mmc_late_init;
+			mmc->cleanup = twl_mmc_cleanup;
+			mmc->suspend = twl_mmc_suspend;
+			mmc->resume = twl_mmc_resume;
+
+			mmc->slots[0].switch_pin = c->gpio_cd;
+			mmc->slots[0].card_detect_irq = gpio_to_irq(c->gpio_cd);
+			mmc->slots[0].card_detect = twl_mmc_card_detect;
+		} else
+			mmc->slots[0].switch_pin = -EINVAL;
+
+		/* write protect normally uses an OMAP gpio */
+		if (gpio_is_valid(c->gpio_wp)) {
+			gpio_request(c->gpio_wp, "mmc_wp");
+			gpio_direction_input(c->gpio_wp);
+
+			mmc->slots[0].gpio_wp = c->gpio_wp;
+			mmc->slots[0].get_ro = twl_mmc_get_ro;
+		} else
+			mmc->slots[0].gpio_wp = -EINVAL;
+
+		/* NOTE:  we assume OMAP's MMC1 and MMC2 use
+		 * the TWL4030's VMMC1 and VMMC2, respectively;
+		 * and that OMAP's MMC3 isn't used.
+		 */
+
+		switch (c->mmc) {
+		case 1:
+			mmc->slots[0].set_power = twl_mmc1_set_power;
+			break;
+		case 2:
+			mmc->slots[0].set_power = twl_mmc2_set_power;
+			break;
+		default:
+			pr_err("MMC%d configuration not supported!\n", c->mmc);
+			continue;
+		}
+		hsmmc_data[c->mmc - 1] = mmc;
+	}
+
+	omap2_init_mmc(hsmmc_data, OMAP34XX_NR_MMC);
+}
+
+#endif
diff --git a/arch/arm/mach-omap2/mmc-twl4030.h b/arch/arm/mach-omap2/mmc-twl4030.h
new file mode 100644
index 000000000000..e1c8076400ca
--- /dev/null
+++ b/arch/arm/mach-omap2/mmc-twl4030.h
@@ -0,0 +1,29 @@
+/*
+ * MMC definitions for OMAP2
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+struct twl4030_hsmmc_info {
+	u8	mmc;		/* controller 1/2/3 */
+	u8	wires;		/* 1/4/8 wires */
+	int	gpio_cd;	/* or -EINVAL */
+	int	gpio_wp;	/* or -EINVAL */
+	int	ext_clock:1;	/* use external pin for input clock */
+};
+
+#if	defined(CONFIG_TWL4030_CORE) && \
+	(defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \
+	 defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE))
+
+void twl4030_mmc_init(struct twl4030_hsmmc_info *);
+
+#else
+
+static inline void twl4030_mmc_init(struct twl4030_hsmmc_info *info)
+{
+}
+
+#endif
diff --git a/arch/arm/plat-omap/include/mach/control.h b/arch/arm/plat-omap/include/mach/control.h
index dc9886760577..269147f3836f 100644
--- a/arch/arm/plat-omap/include/mach/control.h
+++ b/arch/arm/plat-omap/include/mach/control.h
@@ -74,6 +74,7 @@
 #define OMAP243X_CONTROL_IVA2_BOOTADDR	(OMAP2_CONTROL_GENERAL + 0x0190)
 #define OMAP243X_CONTROL_IVA2_BOOTMOD	(OMAP2_CONTROL_GENERAL + 0x0194)
 #define OMAP243X_CONTROL_IVA2_GEMCFG	(OMAP2_CONTROL_GENERAL + 0x0198)
+#define OMAP243X_CONTROL_PBIAS_LITE	(OMAP2_CONTROL_GENERAL + 0x0230)
 
 /* 24xx-only CONTROL_GENERAL register offsets */
 #define OMAP24XX_CONTROL_DEBOBS		(OMAP2_CONTROL_GENERAL + 0x0000)
@@ -140,6 +141,7 @@
 #define OMAP343X_CONTROL_TEST_KEY_13	(OMAP2_CONTROL_GENERAL + 0x00fc)
 #define OMAP343X_CONTROL_IVA2_BOOTADDR	(OMAP2_CONTROL_GENERAL + 0x0190)
 #define OMAP343X_CONTROL_IVA2_BOOTMOD	(OMAP2_CONTROL_GENERAL + 0x0194)
+#define OMAP343X_CONTROL_PBIAS_LITE	(OMAP2_CONTROL_GENERAL + 0x02b0)
 #define OMAP343X_CONTROL_TEMP_SENSOR	(OMAP2_CONTROL_GENERAL + 0x02b4)
 
 /*
@@ -154,11 +156,14 @@
  * and the security mode (secure, non-secure, don't care)
  */
 /* CONTROL_DEVCONF0 bits */
+#define OMAP2_MMCSDIO1ADPCLKISEL	(1 << 24) /* MMC1 loop back clock */
 #define OMAP24XX_USBSTANDBYCTRL		(1 << 15)
 #define OMAP2_MCBSP2_CLKS_MASK		(1 << 6)
 #define OMAP2_MCBSP1_CLKS_MASK		(1 << 2)
 
 /* CONTROL_DEVCONF1 bits */
+#define OMAP243X_MMC1_ACTIVE_OVERWRITE	(1 << 31)
+#define OMAP2_MMCSDIO2ADPCLKISEL	(1 << 6) /* MMC2 loop back clock */
 #define OMAP2_MCBSP5_CLKS_MASK		(1 << 4) /* > 242x */
 #define OMAP2_MCBSP4_CLKS_MASK		(1 << 2) /* > 242x */
 #define OMAP2_MCBSP3_CLKS_MASK		(1 << 0) /* > 242x */
@@ -172,6 +177,18 @@
 #define OMAP2_SYSBOOT_1_MASK		(1 << 1)
 #define OMAP2_SYSBOOT_0_MASK		(1 << 0)
 
+/* CONTROL_PBIAS_LITE bits */
+#define OMAP343X_PBIASLITESUPPLY_HIGH1	(1 << 15)
+#define OMAP343X_PBIASLITEVMODEERROR1	(1 << 11)
+#define OMAP343X_PBIASSPEEDCTRL1	(1 << 10)
+#define OMAP343X_PBIASLITEPWRDNZ1	(1 << 9)
+#define OMAP343X_PBIASLITEVMODE1	(1 << 8)
+#define OMAP343X_PBIASLITESUPPLY_HIGH0	(1 << 7)
+#define OMAP343X_PBIASLITEVMODEERROR0	(1 << 3)
+#define OMAP2_PBIASSPEEDCTRL0		(1 << 2)
+#define OMAP2_PBIASLITEPWRDNZ0		(1 << 1)
+#define OMAP2_PBIASLITEVMODE0		(1 << 0)
+
 #ifndef __ASSEMBLY__
 #if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
 extern void __iomem *omap_ctrl_base_get(void);
diff --git a/arch/arm/plat-omap/include/mach/mmc.h b/arch/arm/plat-omap/include/mach/mmc.h
index 0c2ef3b8956a..031250f02805 100644
--- a/arch/arm/plat-omap/include/mach/mmc.h
+++ b/arch/arm/plat-omap/include/mach/mmc.h
@@ -61,6 +61,11 @@ struct omap_mmc_platform_data {
 
 	struct omap_mmc_slot_data {
 
+		/* 4 wire signaling is optional, and is used for SD/SDIO/HSMMC;
+		 * 8 wire signaling is also optional, and is used with HSMMC
+		 */
+		u8 wires;
+
 		/*
 		 * nomux means "standard" muxing is wrong on this board, and
 		 * that board-specific code handled it before common init logic.
@@ -70,13 +75,12 @@ struct omap_mmc_platform_data {
 		/* switch pin can be for card detect (default) or card cover */
 		unsigned cover:1;
 
-		/* 4 wire signaling is optional, and is only used for SD/SDIO */
-		unsigned wire4:1;
-
 		/* use the internal clock */
 		unsigned internal_clock:1;
 		s16 power_pin;
-		s16 switch_pin;
+
+		int switch_pin;			/* gpio (card detect) */
+		int gpio_wp;			/* gpio (write protect) */
 
 		int (* set_bus_mode)(struct device *dev, int slot, int bus_mode);
 		int (* set_power)(struct device *dev, int slot, int power_on, int vdd);
@@ -111,7 +115,6 @@ void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
 				int nr_controllers);
 void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
 				int nr_controllers);
-void hsmmc_init(int controller_mask);
 int omap_mmc_add(int id, unsigned long base, unsigned long size,
 			unsigned int irq, struct omap_mmc_platform_data *data);
 #else
@@ -123,9 +126,6 @@ static inline void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
 				int nr_controllers)
 {
 }
-static inline void hsmmc_init(int controller_mask)
-{
-}
 static inline int omap_mmc_add(int id, unsigned long base, unsigned long size,
 		unsigned int irq, struct omap_mmc_platform_data *data)
 {
diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
index c6544d2d072a..67d7b7fef084 100644
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -1317,7 +1317,7 @@ static int __init mmc_omap_new_slot(struct mmc_omap_host *host, int id)
 	host->slots[id] = slot;
 
 	mmc->caps = 0;
-	if (host->pdata->slots[id].wire4)
+	if (host->pdata->slots[id].wires >= 4)
 		mmc->caps |= MMC_CAP_4_BIT_DATA;
 
 	mmc->ops = &mmc_omap_ops;