S5P: add set_mmc_clk for external clock control
This patch added set_mmc_clk for external clock control.
c210 didn't support host clock control.
So We need external_clock_control function for c210.
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
diff --git a/arch/arm/include/asm/arch-s5pc2xx/clk.h b/arch/arm/include/asm/arch-s5pc2xx/clk.h
index 5a1cdf1..ff0f641 100644
--- a/arch/arm/include/asm/arch-s5pc2xx/clk.h
+++ b/arch/arm/include/asm/arch-s5pc2xx/clk.h
@@ -32,5 +32,6 @@
unsigned long get_arm_clk(void);
unsigned long get_pwm_clk(void);
unsigned long get_uart_clk(int dev_index);
+void set_mmc_clk(int dev_index, unsigned int div);
#endif