MFD,mmc: tmio_mmc: make HCLK configurable

The Toshiba parts all have a 24 MHz HCLK, but HTC ASIC3 has a 24.576 MHz HCLK
and AMD Imageon w228x's HCLK is 80 MHz. With this patch, the MFD driver
provides the HCLK frequency to tmio_mmc via mfd_cell->driver_data.

Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Acked-by: Ian Molton <ian@mnementh.co.uk>
Acked-by: Samuel Ortiz <sameo@openedhand.com>
Signed-off-by: Pierre Ossman <pierre@ossman.eu>

drivers/mfd/t7l66xb.c

@@ -108,6 +108,10 @@ static int t7l66xb_mmc_disable(struct platform_device *mmc)
 
 /*--------------------------------------------------------------------------*/
 
+static const struct tmio_mmc_data t7166xb_mmc_data = {
+	.hclk = 24000000,
+};
+
 static const struct resource t7l66xb_mmc_resources[] = {
 	{
 		.start = 0x800,
@@ -149,6 +153,7 @@ static struct mfd_cell t7l66xb_cells[] = {
 		.name = "tmio-mmc",
 		.enable = t7l66xb_mmc_enable,
 		.disable = t7l66xb_mmc_disable,
+		.driver_data = &t7166xb_mmc_data,
 		.num_resources = ARRAY_SIZE(t7l66xb_mmc_resources),
 		.resources = t7l66xb_mmc_resources,
 	},

drivers/mfd/tc6387xb.c

@@ -75,6 +75,10 @@ static int tc6387xb_mmc_disable(struct platform_device *mmc)
 
 /*--------------------------------------------------------------------------*/
 
+const static struct tmio_mmc_data tc6387xb_mmc_data = {
+	.hclk = 24000000,
+};
+
 static struct resource tc6387xb_mmc_resources[] = {
 	{
 		.start = 0x800,
@@ -98,6 +102,7 @@ static struct mfd_cell tc6387xb_cells[] = {
 		.name = "tmio-mmc",
 		.enable = tc6387xb_mmc_enable,
 		.disable = tc6387xb_mmc_disable,
+		.driver_data = &tc6387xb_mmc_data,
 		.num_resources = ARRAY_SIZE(tc6387xb_mmc_resources),
 		.resources = tc6387xb_mmc_resources,
 	},

drivers/mfd/tc6393xb.c

@@ -136,6 +136,10 @@ static int tc6393xb_nand_enable(struct platform_device *nand)
 	return 0;
 }
 
+const static struct tmio_mmc_data tc6393xb_mmc_data = {
+	.hclk = 24000000,
+};
+
 static struct resource __devinitdata tc6393xb_nand_resources[] = {
 	{
 		.start	= 0x1000,
@@ -351,6 +355,7 @@ static struct mfd_cell __devinitdata tc6393xb_cells[] = {
 	},
 	[TC6393XB_CELL_MMC] = {
 		.name = "tmio-mmc",
+		.driver_data = &tc6393xb_mmc_data,
 		.num_resources = ARRAY_SIZE(tc6393xb_mmc_resources),
 		.resources = tc6393xb_mmc_resources,
 	},