Merge branch 'sh/sdhi-mfd'

Conflicts:
	arch/sh/boards/mach-ecovec24/setup.c
	arch/sh/boards/mach-kfr2r09/setup.c

9 files changed, 355 insertions, 50 deletions

diff --git a/arch/sh/boards/board-ap325rxa.c b/arch/sh/boards/board-ap325rxa.c
index 2d080732a964..b95deee35e0f 100644
--- a/arch/sh/boards/board-ap325rxa.c
+++ b/arch/sh/boards/board-ap325rxa.c
@@ -20,8 +20,6 @@
 #include <linux/i2c.h>
 #include <linux/smsc911x.h>
 #include <linux/gpio.h>
-#include <linux/spi/spi.h>
-#include <linux/spi/spi_gpio.h>
 #include <media/ov772x.h>
 #include <media/soc_camera.h>
 #include <media/soc_camera_platform.h>
@@ -409,17 +407,25 @@ static struct platform_device ceu_device = {
 	},
 };
 
-struct spi_gpio_platform_data sdcard_cn3_platform_data = {
-	.sck = GPIO_PTD0,
-	.mosi = GPIO_PTD1,
-	.miso = GPIO_PTD2,
-	.num_chipselect = 1,
+static struct resource sdhi0_cn3_resources[] = {
+	[0] = {
+		.name	= "SDHI0",
+		.start	= 0x04ce0000,
+		.end	= 0x04ce01ff,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= 101,
+		.flags  = IORESOURCE_IRQ,
+	},
 };
 
-static struct platform_device sdcard_cn3_device = {
-	.name		= "spi_gpio",
-	.dev	= {
-		.platform_data	= &sdcard_cn3_platform_data,
+static struct platform_device sdhi0_cn3_device = {
+	.name		= "sh_mobile_sdhi",
+	.num_resources	= ARRAY_SIZE(sdhi0_cn3_resources),
+	.resource	= sdhi0_cn3_resources,
+	.archdata = {
+		.hwblk_id = HWBLK_SDHI0,
 	},
 };
 
@@ -470,20 +476,11 @@ static struct platform_device *ap325rxa_devices[] __initdata = {
 	&lcdc_device,
 	&ceu_device,
 	&nand_flash_device,
-	&sdcard_cn3_device,
+	&sdhi0_cn3_device,
 	&ap325rxa_camera[0],
 	&ap325rxa_camera[1],
 };
 
-static struct spi_board_info ap325rxa_spi_devices[] = {
-	{
-		.modalias = "mmc_spi",
-		.max_speed_hz = 5000000,
-		.chip_select = 0,
-		.controller_data = (void *) GPIO_PTD5,
-	},
-};
-
 static int __init ap325rxa_devices_setup(void)
 {
 	/* LD3 and LD4 LEDs */
@@ -578,12 +575,19 @@ static int __init ap325rxa_devices_setup(void)
 
 	platform_resource_setup_memory(&ceu_device, "ceu", 4 << 20);
 
+	/* SDHI0 */
+	gpio_request(GPIO_FN_SDHI0CD_PTD, NULL);
+	gpio_request(GPIO_FN_SDHI0WP_PTD, NULL);
+	gpio_request(GPIO_FN_SDHI0D3_PTD, NULL);
+	gpio_request(GPIO_FN_SDHI0D2_PTD, NULL);
+	gpio_request(GPIO_FN_SDHI0D1_PTD, NULL);
+	gpio_request(GPIO_FN_SDHI0D0_PTD, NULL);
+	gpio_request(GPIO_FN_SDHI0CMD_PTD, NULL);
+	gpio_request(GPIO_FN_SDHI0CLK_PTD, NULL);
+
 	i2c_register_board_info(0, ap325rxa_i2c_devices,
 				ARRAY_SIZE(ap325rxa_i2c_devices));
 
-	spi_register_board_info(ap325rxa_spi_devices,
-				ARRAY_SIZE(ap325rxa_spi_devices));
-
 	return platform_add_devices(ap325rxa_devices,
 				ARRAY_SIZE(ap325rxa_devices));
 }
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 3b1ceb46fa54..9d15196952a0 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -428,6 +428,54 @@ static struct i2c_board_info ts_i2c_clients = {
 	.irq		= IRQ0,
 };
 
+/* SHDI0 */
+static struct resource sdhi0_resources[] = {
+	[0] = {
+		.name	= "SDHI0",
+		.start  = 0x04ce0000,
+		.end    = 0x04ce01ff,
+		.flags  = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start  = 101,
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device sdhi0_device = {
+	.name           = "sh_mobile_sdhi",
+	.num_resources  = ARRAY_SIZE(sdhi0_resources),
+	.resource       = sdhi0_resources,
+	.id             = 0,
+	.archdata = {
+		.hwblk_id = HWBLK_SDHI0,
+	},
+};
+
+/* SHDI1 */
+static struct resource sdhi1_resources[] = {
+	[0] = {
+		.name	= "SDHI1",
+		.start  = 0x04cf0000,
+		.end    = 0x04cf01ff,
+		.flags  = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start  = 24,
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device sdhi1_device = {
+	.name           = "sh_mobile_sdhi",
+	.num_resources  = ARRAY_SIZE(sdhi1_resources),
+	.resource       = sdhi1_resources,
+	.id             = 1,
+	.archdata = {
+		.hwblk_id = HWBLK_SDHI1,
+	},
+};
+
 static struct platform_device *ecovec_devices[] __initdata = {
 	&heartbeat_device,
 	&nor_flash_device,
@@ -438,6 +486,8 @@ static struct platform_device *ecovec_devices[] __initdata = {
 	&ceu0_device,
 	&ceu1_device,
 	&keysc_device,
+	&sdhi0_device,
+	&sdhi1_device,
 };
 
 #define EEPROM_ADDR 0x50
@@ -710,6 +760,34 @@ static int __init arch_setup(void)
 	gpio_direction_input(GPIO_PTR5);
 	gpio_direction_input(GPIO_PTR6);
 
+	/* enable SDHI0 */
+	gpio_request(GPIO_FN_SDHI0CD,  NULL);
+	gpio_request(GPIO_FN_SDHI0WP,  NULL);
+	gpio_request(GPIO_FN_SDHI0CMD, NULL);
+	gpio_request(GPIO_FN_SDHI0CLK, NULL);
+	gpio_request(GPIO_FN_SDHI0D3,  NULL);
+	gpio_request(GPIO_FN_SDHI0D2,  NULL);
+	gpio_request(GPIO_FN_SDHI0D1,  NULL);
+	gpio_request(GPIO_FN_SDHI0D0,  NULL);
+
+	/* enable SDHI1 */
+	gpio_request(GPIO_FN_SDHI1CD,  NULL);
+	gpio_request(GPIO_FN_SDHI1WP,  NULL);
+	gpio_request(GPIO_FN_SDHI1CMD, NULL);
+	gpio_request(GPIO_FN_SDHI1CLK, NULL);
+	gpio_request(GPIO_FN_SDHI1D3,  NULL);
+	gpio_request(GPIO_FN_SDHI1D2,  NULL);
+	gpio_request(GPIO_FN_SDHI1D1,  NULL);
+	gpio_request(GPIO_FN_SDHI1D0,  NULL);
+
+	gpio_request(GPIO_PTB6, NULL);
+	gpio_request(GPIO_PTB7, NULL);
+	gpio_direction_output(GPIO_PTB6, 1);
+	gpio_direction_output(GPIO_PTB7, 1);
+
+	/* I/O buffer drive ability is high for SDHI1 */
+	ctrl_outw((ctrl_inw(IODRIVEA) & ~0x3000) | 0x2000 , IODRIVEA);
+
 	/* enable I2C device */
 	i2c_register_board_info(1, i2c1_devices,
 				ARRAY_SIZE(i2c1_devices));
@@ -726,7 +804,6 @@ static int __init devices_setup(void)
 }
 device_initcall(devices_setup);
 
-
 static struct sh_machine_vector mv_ecovec __initmv = {
 	.mv_name	= "R0P7724 (EcoVec)",
 };
diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c
index ce01d6a953b8..43d75ee93358 100644
--- a/arch/sh/boards/mach-kfr2r09/setup.c
+++ b/arch/sh/boards/mach-kfr2r09/setup.c
@@ -332,6 +332,28 @@ static struct platform_device kfr2r09_camera = {
 	},
 };
 
+static struct resource kfr2r09_sh_sdhi0_resources[] = {
+	[0] = {
+		.name	= "SDHI0",
+		.start  = 0x04ce0000,
+		.end    = 0x04ce01ff,
+		.flags  = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start  = 101,
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device kfr2r09_sh_sdhi0_device = {
+	.name           = "sh_mobile_sdhi",
+	.num_resources  = ARRAY_SIZE(kfr2r09_sh_sdhi0_resources),
+	.resource       = kfr2r09_sh_sdhi0_resources,
+	.archdata = {
+		.hwblk_id = HWBLK_SDHI0,
+	},
+};
+
 static struct platform_device *kfr2r09_devices[] __initdata = {
 	&kfr2r09_nor_flash_device,
 	&kfr2r09_nand_flash_device,
@@ -339,6 +361,7 @@ static struct platform_device *kfr2r09_devices[] __initdata = {
 	&kfr2r09_sh_lcdc_device,
 	&kfr2r09_ceu_device,
 	&kfr2r09_camera,
+	&kfr2r09_sh_sdhi0_device,
 };
 
 #define BSC_CS0BCR 0xfec10004
@@ -500,6 +523,16 @@ static int __init kfr2r09_devices_setup(void)
 
 	platform_resource_setup_memory(&kfr2r09_ceu_device, "ceu", 4 << 20);
 
+	/* SDHI0 connected to yc304 */
+	gpio_request(GPIO_FN_SDHI0CD, NULL);
+	gpio_request(GPIO_FN_SDHI0WP, NULL);
+	gpio_request(GPIO_FN_SDHI0D3, NULL);
+	gpio_request(GPIO_FN_SDHI0D2, NULL);
+	gpio_request(GPIO_FN_SDHI0D1, NULL);
+	gpio_request(GPIO_FN_SDHI0D0, NULL);
+	gpio_request(GPIO_FN_SDHI0CMD, NULL);
+	gpio_request(GPIO_FN_SDHI0CLK, NULL);
+
 	return platform_add_devices(kfr2r09_devices,
 				    ARRAY_SIZE(kfr2r09_devices));
 }
diff --git a/arch/sh/boards/mach-migor/setup.c b/arch/sh/boards/mach-migor/setup.c
index 6ed1fd32369e..8e911360c91e 100644
--- a/arch/sh/boards/mach-migor/setup.c
+++ b/arch/sh/boards/mach-migor/setup.c
@@ -18,8 +18,6 @@
 #include <linux/delay.h>
 #include <linux/clk.h>
 #include <linux/gpio.h>
-#include <linux/spi/spi.h>
-#include <linux/spi/spi_gpio.h>
 #include <video/sh_mobile_lcdc.h>
 #include <media/sh_mobile_ceu.h>
 #include <media/ov772x.h>
@@ -390,17 +388,25 @@ static struct platform_device migor_ceu_device = {
 	},
 };
 
-struct spi_gpio_platform_data sdcard_cn9_platform_data = {
-	.sck = GPIO_PTD0,
-	.mosi = GPIO_PTD1,
-	.miso = GPIO_PTD2,
-	.num_chipselect = 1,
+static struct resource sdhi_cn9_resources[] = {
+	[0] = {
+		.name	= "SDHI",
+		.start	= 0x04ce0000,
+		.end	= 0x04ce01ff,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= 101,
+		.flags  = IORESOURCE_IRQ,
+	},
 };
 
-static struct platform_device sdcard_cn9_device = {
-	.name		= "spi_gpio",
-	.dev	= {
-		.platform_data	= &sdcard_cn9_platform_data,
+static struct platform_device sdhi_cn9_device = {
+	.name		= "sh_mobile_sdhi",
+	.num_resources	= ARRAY_SIZE(sdhi_cn9_resources),
+	.resource	= sdhi_cn9_resources,
+	.archdata = {
+		.hwblk_id = HWBLK_SDHI,
 	},
 };
 
@@ -467,20 +473,11 @@ static struct platform_device *migor_devices[] __initdata = {
 	&migor_ceu_device,
 	&migor_nor_flash_device,
 	&migor_nand_flash_device,
-	&sdcard_cn9_device,
+	&sdhi_cn9_device,
 	&migor_camera[0],
 	&migor_camera[1],
 };
 
-static struct spi_board_info migor_spi_devices[] = {
-	{
-		.modalias = "mmc_spi",
-		.max_speed_hz = 5000000,
-		.chip_select = 0,
-		.controller_data = (void *) GPIO_PTD5,
-	},
-};
-
 static int __init migor_devices_setup(void)
 {
 
@@ -525,6 +522,16 @@ static int __init migor_devices_setup(void)
 	gpio_request(GPIO_PTA1, NULL);
 	gpio_direction_input(GPIO_PTA1);
 
+	/* SDHI */
+	gpio_request(GPIO_FN_SDHICD, NULL);
+	gpio_request(GPIO_FN_SDHIWP, NULL);
+	gpio_request(GPIO_FN_SDHID3, NULL);
+	gpio_request(GPIO_FN_SDHID2, NULL);
+	gpio_request(GPIO_FN_SDHID1, NULL);
+	gpio_request(GPIO_FN_SDHID0, NULL);
+	gpio_request(GPIO_FN_SDHICMD, NULL);
+	gpio_request(GPIO_FN_SDHICLK, NULL);
+
 	/* Touch Panel */
 	gpio_request(GPIO_FN_IRQ6, NULL);
 
@@ -612,9 +619,6 @@ static int __init migor_devices_setup(void)
 	i2c_register_board_info(0, migor_i2c_devices,
 				ARRAY_SIZE(migor_i2c_devices));
 
-	spi_register_board_info(migor_spi_devices,
-				ARRAY_SIZE(migor_spi_devices));
-
 	return platform_add_devices(migor_devices, ARRAY_SIZE(migor_devices));
 }
 arch_initcall(migor_devices_setup);
diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
index e78c3be8ad2f..ce6b36ebe64d 100644
--- a/arch/sh/boards/mach-se/7724/setup.c
+++ b/arch/sh/boards/mach-se/7724/setup.c
@@ -448,6 +448,28 @@ static struct platform_device sh7724_usb1_gadget_device = {
 	.resource	= sh7724_usb1_gadget_resources,
 };
 
+static struct resource sdhi0_cn7_resources[] = {
+	[0] = {
+		.name	= "SDHI0",
+		.start  = 0x04ce0000,
+		.end    = 0x04ce01ff,
+		.flags  = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start  = 101,
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device sdhi0_cn7_device = {
+	.name           = "sh_mobile_sdhi",
+	.num_resources  = ARRAY_SIZE(sdhi0_cn7_resources),
+	.resource       = sdhi0_cn7_resources,
+	.archdata = {
+		.hwblk_id = HWBLK_SDHI0,
+	},
+};
+
 static struct platform_device *ms7724se_devices[] __initdata = {
 	&heartbeat_device,
 	&smc91x_eth_device,
@@ -460,6 +482,7 @@ static struct platform_device *ms7724se_devices[] __initdata = {
 	&sh7724_usb0_host_device,
 	&sh7724_usb1_gadget_device,
 	&fsi_device,
+	&sdhi0_cn7_device,
 };
 
 #define EEPROM_OP   0xBA206000
@@ -698,6 +721,16 @@ static int __init devices_setup(void)
 	clk_set_rate(&fsimcka_clk, 11000);
 	clk_put(fsia_clk);
 
+	/* SDHI0 connected to cn7 */
+	gpio_request(GPIO_FN_SDHI0CD, NULL);
+	gpio_request(GPIO_FN_SDHI0WP, NULL);
+	gpio_request(GPIO_FN_SDHI0D3, NULL);
+	gpio_request(GPIO_FN_SDHI0D2, NULL);
+	gpio_request(GPIO_FN_SDHI0D1, NULL);
+	gpio_request(GPIO_FN_SDHI0D0, NULL);
+	gpio_request(GPIO_FN_SDHI0CMD, NULL);
+	gpio_request(GPIO_FN_SDHI0CLK, NULL);
+
 	/*
 	 * enable SH-Eth
 	 *
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 570be139f9df..96956b3cc178 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -35,6 +35,14 @@ config MFD_ASIC3
 	  This driver supports the ASIC3 multifunction chip found on many
 	  PDAs (mainly iPAQ and HTC based ones)
 
+config MFD_SH_MOBILE_SDHI
+	bool "Support for SuperH Mobile SDHI"
+	depends on SUPERH
+	select MFD_CORE
+	 ---help---
+	  This driver supports the SDHI hardware block found in many
+	  SuperH Mobile SoCs.
+
 config MFD_DM355EVM_MSP
 	bool "DaVinci DM355 EVM microcontroller"
 	depends on I2C && MACH_DAVINCI_DM355_EVM
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index f3b277b90d40..d9522943d2fb 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -4,6 +4,7 @@
 
 obj-$(CONFIG_MFD_SM501)		+= sm501.o
 obj-$(CONFIG_MFD_ASIC3)		+= asic3.o
+obj-$(CONFIG_MFD_SH_MOBILE_SDHI)		+= sh_mobile_sdhi.o
 
 obj-$(CONFIG_HTC_EGPIO)		+= htc-egpio.o
 obj-$(CONFIG_HTC_PASIC3)	+= htc-pasic3.o
diff --git a/drivers/mfd/sh_mobile_sdhi.c b/drivers/mfd/sh_mobile_sdhi.c
new file mode 100644
index 000000000000..56f72cc1d569
--- /dev/null
+++ b/drivers/mfd/sh_mobile_sdhi.c
@@ -0,0 +1,145 @@
+/*
+ * SuperH Mobile SDHI
+ *
+ * Copyright (C) 2009 Magnus Damm
+ *
+ * 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.
+ *
+ * Based on "Compaq ASIC3 support":
+ *
+ * Copyright 2001 Compaq Computer Corporation.
+ * Copyright 2004-2005 Phil Blundell
+ * Copyright 2007-2008 OpenedHand Ltd.
+ *
+ * Authors: Phil Blundell <pb@handhelds.org>,
+ *	    Samuel Ortiz <sameo@openedhand.com>
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/clk.h>
+#include <linux/platform_device.h>
+
+#include <linux/mfd/core.h>
+#include <linux/mfd/tmio.h>
+
+struct sh_mobile_sdhi {
+	struct clk *clk;
+	struct tmio_mmc_data mmc_data;
+	struct mfd_cell cell_mmc;
+};
+
+static struct resource sh_mobile_sdhi_resources[] = {
+	{
+		.start = 0x000,
+		.end   = 0x1ff,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = 0,
+		.end   = 0,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct mfd_cell sh_mobile_sdhi_cell = {
+	.name          = "tmio-mmc",
+	.num_resources = ARRAY_SIZE(sh_mobile_sdhi_resources),
+	.resources     = sh_mobile_sdhi_resources,
+};
+
+static int __init sh_mobile_sdhi_probe(struct platform_device *pdev)
+{
+	struct sh_mobile_sdhi *priv;
+	struct resource *mem;
+	char clk_name[8];
+	int ret, irq;
+
+	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!mem)
+		dev_err(&pdev->dev, "missing MEM resource\n");
+
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0)
+		dev_err(&pdev->dev, "missing IRQ resource\n");
+
+	if (!mem || (irq < 0))
+		return -EINVAL;
+
+	priv = kzalloc(sizeof(struct sh_mobile_sdhi), GFP_KERNEL);
+	if (priv == NULL) {
+		dev_err(&pdev->dev, "kzalloc failed\n");
+		return -ENOMEM;
+	}
+
+	snprintf(clk_name, sizeof(clk_name), "sdhi%d", pdev->id);
+	priv->clk = clk_get(&pdev->dev, clk_name);
+	if (IS_ERR(priv->clk)) {
+		dev_err(&pdev->dev, "cannot get clock \"%s\"\n", clk_name);
+		ret = PTR_ERR(priv->clk);
+		kfree(priv);
+		return ret;
+	}
+
+	clk_enable(priv->clk);
+
+	/* FIXME: silly const unsigned int hclk */
+	*(unsigned int *)&priv->mmc_data.hclk = clk_get_rate(priv->clk);
+
+	memcpy(&priv->cell_mmc, &sh_mobile_sdhi_cell, sizeof(priv->cell_mmc));
+	priv->cell_mmc.driver_data = &priv->mmc_data;
+	priv->cell_mmc.platform_data = &priv->cell_mmc;
+	priv->cell_mmc.data_size = sizeof(priv->cell_mmc);
+
+	platform_set_drvdata(pdev, priv);
+
+	ret = mfd_add_devices(&pdev->dev, pdev->id,
+			      &priv->cell_mmc, 1, mem, irq);
+	if (ret) {
+		clk_disable(priv->clk);
+		clk_put(priv->clk);
+		kfree(priv);
+	}
+
+	return ret;
+}
+
+static int sh_mobile_sdhi_remove(struct platform_device *pdev)
+{
+	struct sh_mobile_sdhi *priv = platform_get_drvdata(pdev);
+
+	mfd_remove_devices(&pdev->dev);
+	clk_disable(priv->clk);
+	clk_put(priv->clk);
+	kfree(priv);
+
+	return 0;
+}
+
+static struct platform_driver sh_mobile_sdhi_driver = {
+	.driver		= {
+		.name	= "sh_mobile_sdhi",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= sh_mobile_sdhi_probe,
+	.remove		= __devexit_p(sh_mobile_sdhi_remove),
+};
+
+static int __init sh_mobile_sdhi_init(void)
+{
+	return platform_driver_register(&sh_mobile_sdhi_driver);
+}
+
+static void __exit sh_mobile_sdhi_exit(void)
+{
+	platform_driver_unregister(&sh_mobile_sdhi_driver);
+}
+
+module_init(sh_mobile_sdhi_init);
+module_exit(sh_mobile_sdhi_exit);
+
+MODULE_DESCRIPTION("SuperH Mobile SDHI driver");
+MODULE_AUTHOR("Magnus Damm");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index 432ae8358c86..e04b751680d0 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -329,7 +329,7 @@ config MMC_SDRICOH_CS
 
 config MMC_TMIO
 	tristate "Toshiba Mobile IO Controller (TMIO) MMC/SD function support"
-	depends on MFD_TMIO || MFD_ASIC3
+	depends on MFD_TMIO || MFD_ASIC3 || SUPERH
 	help
 	  This provides support for the SD/MMC cell found in TC6393XB,
 	  T7L66XB and also HTC ASIC3