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>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c
index 77a12fc8045e..9d2abb5d6e2c 100644
--- a/drivers/mfd/tc6393xb.c
+++ b/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,
         },