S5P_CLKSRC0_MUX200_SHIFT
#define S5P_CLKSRC0_MUX200_MASK (0x1 << S5P_CLKSRC0_MUX200_SHIFT)
reg |= (0x1 << S5P_CLKSRC0_MUX200_SHIFT);
reg |= (0x0 << S5P_CLKSRC0_MUX200_SHIFT);
#define S5P_CLKSRC0_MUX200_MASK (0x1 << S5P_CLKSRC0_MUX200_SHIFT)