mmc: add the quirk to use the sdhci for samsung-soc

To support the Samsung-SoC, added the basically functions.
Samsung-SoC didn't used the SDHCI_CTRL_HISPD.
And added set_control_reg callback for s3c64xx.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Lei Wen<leiwen@marvell.com>
diff --git a/include/sdhci.h b/include/sdhci.h
index a2415ba..9d37183 100644
--- a/include/sdhci.h
+++ b/include/sdhci.h
@@ -217,6 +217,8 @@
 #define SDHCI_QUIRK_32BIT_DMA_ADDR	(1 << 0)
 #define SDHCI_QUIRK_REG32_RW		(1 << 1)
 #define SDHCI_QUIRK_BROKEN_R1B		(1 << 2)
+#define SDHCI_QUIRK_NO_HISPD_BIT	(1 << 3)
+#define SDHCI_QUIRK_BROKEN_VOLTAGE	(1 << 4)
 
 /* to make gcc happy */
 struct sdhci_host;
@@ -241,10 +243,14 @@
 	char *name;
 	void *ioaddr;
 	unsigned int quirks;
+	unsigned int host_caps;
 	unsigned int version;
 	unsigned int clock;
 	struct mmc *mmc;
 	const struct sdhci_ops *ops;
+
+	void (*set_control_reg)(struct sdhci_host *host);
+	uint	voltages;
 };
 
 #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS