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authorJaehoon Chung <jh80.chung@samsung.com>2012-08-30 16:24:11 +0000
committerAndy Fleming <afleming@freescale.com>2012-09-05 17:33:26 -0500
commitb09ed6e4fe6065851751e7fc381ff40c23fb09f1 (patch)
tree43abeec28f5647d12e612f9c216309ee028dbda6 /drivers
parent8458e0283f041a39c80cae9e2ba67ed3c8ebd73c (diff)
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mmc: s5p_sdhci: add the set_mmc_clk for cmu control
Samsung SoC use the cmu control to set clock. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Andy Fleming <afleming@freescale.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mmc/s5p_sdhci.c3
-rw-r--r--drivers/mmc/sdhci.c3
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/mmc/s5p_sdhci.c b/drivers/mmc/s5p_sdhci.c
index 9378e36..b978236 100644
--- a/drivers/mmc/s5p_sdhci.c
+++ b/drivers/mmc/s5p_sdhci.c
@@ -21,6 +21,7 @@
#include <malloc.h>
#include <sdhci.h>
#include <asm/arch/mmc.h>
+#include <asm/arch/clk.h>
static char *S5P_NAME = "SAMSUNG SDHCI";
static void s5p_sdhci_set_control_reg(struct sdhci_host *host)
@@ -87,6 +88,8 @@ int s5p_sdhci_init(u32 regbase, int index, int bus_width)
host->version = sdhci_readw(host, SDHCI_HOST_VERSION);
host->set_control_reg = &s5p_sdhci_set_control_reg;
+ host->set_clock = set_mmc_clk;
+ host->index = index;
host->host_caps = MMC_MODE_HC;
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index 3bb0ad0..2e3c408 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -279,6 +279,9 @@ static int sdhci_set_clock(struct mmc *mmc, unsigned int clock)
}
div >>= 1;
+ if (host->set_clock)
+ host->set_clock(host->index, div);
+
clk = (div & SDHCI_DIV_MASK) << SDHCI_DIVIDER_SHIFT;
clk |= ((div & SDHCI_DIV_HI_MASK) >> SDHCI_DIV_MASK_LEN)
<< SDHCI_DIVIDER_HI_SHIFT;