PLLX_INDEX
if (cclk_super_get_parent(&cclk_super->hw) == PLLX_INDEX)
cclk_super_set_parent(&cclk_super->hw, PLLX_INDEX);
if (cclk_super_get_parent(hw) == PLLX_INDEX)
struct clk_hw *pllx_hw = clk_hw_get_parent_by_index(hw, PLLX_INDEX);