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, 7 insertions, 0 deletions

diff --git a/include/linux/mfd/tmio.h b/include/linux/mfd/tmio.h
index 516d955ab8a1..c377118884e6 100644
--- a/include/linux/mfd/tmio.h
+++ b/include/linux/mfd/tmio.h
@@ -19,6 +19,13 @@
         } while (0)
 
 /*
+ * data for the MMC controller
+ */
+struct tmio_mmc_data {
+        unsigned int            hclk;
+};
+
+/*
  * data for the NAND controller
  */
 struct tmio_nand_data {