mmc: SDHC 3.0: support 10-bit divided clock mode

Signed-off-by: Zhangfei Gao <zgao6@marvell.com>
Cc: Michał Mirosław <mirqus@gmail.com>
Cc: David Vrabel <david.vrabel@csr.com>
Reviewed-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Chris Ball <cjb@laptop.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index d316bc79b636..950d4fd90072 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -86,6 +86,10 @@
 
 #define SDHCI_CLOCK_CONTROL     0x2C
 #define  SDHCI_DIVIDER_SHIFT    8
+#define  SDHCI_DIVIDER_HI_SHIFT 6
+#define  SDHCI_DIV_MASK 0xFF
+#define  SDHCI_DIV_MASK_LEN     8
+#define  SDHCI_DIV_HI_MASK      0x300
 #define  SDHCI_CLOCK_CARD_EN    0x0004
 #define  SDHCI_CLOCK_INT_STABLE 0x0002
 #define  SDHCI_CLOCK_INT_EN     0x0001
@@ -178,6 +182,7 @@
 #define  SDHCI_SPEC_VER_SHIFT   0
 #define   SDHCI_SPEC_100        0
 #define   SDHCI_SPEC_200        1
+#define   SDHCI_SPEC_300        2
 
 struct sdhci_ops;