QCOM_CLK_RCG2_CFG_SRC_SEL_SHIFT
reg = reg | (((parent_idx << QCOM_CLK_RCG2_CFG_SRC_SEL_SHIFT)
>> QCOM_CLK_RCG2_CFG_SRC_SEL_SHIFT;
reg = reg | (((index << QCOM_CLK_RCG2_CFG_SRC_SEL_SHIFT)
(0x7 << QCOM_CLK_RCG2_CFG_SRC_SEL_SHIFT)