CLK_SOURCE_EMC_EMC_2X_CLK_DIVISOR_MASK
div = val & CLK_SOURCE_EMC_EMC_2X_CLK_DIVISOR_MASK;
#define CLK_SOURCE_EMC_EMC_2X_CLK_DIVISOR(x) (((x) & CLK_SOURCE_EMC_EMC_2X_CLK_DIVISOR_MASK) << \