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>
diff --git a/drivers/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c
index 77a12fc..9d2abb5 100644
--- a/drivers/mfd/tc6393xb.c
+++ b/drivers/mfd/tc6393xb.c
@@ -136,6 +136,10 @@
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 @@
},
[TC6393XB_CELL_MMC] = {
.name = "tmio-mmc",
+ .driver_data = &tc6393xb_mmc_data,
.num_resources = ARRAY_SIZE(tc6393xb_mmc_resources),
.resources = tc6393xb_mmc_resources,
},