CCU_BRANCH_IS_BUS
if (clk_branches[i].flags & CCU_BRANCH_IS_BUS)
{"base_apb3_clk", "apb3_bus", CLK_APB3_BUS, CCU_BRANCH_IS_BUS},
{"base_apb1_clk", "apb1_bus", CLK_APB1_BUS, CCU_BRANCH_IS_BUS},
{"base_cpu_clk", "cpu_bus", CLK_CPU_BUS, CCU_BRANCH_IS_BUS},
{"base_periph_clk", "periph_bus", CLK_PERIPH_BUS, CCU_BRANCH_IS_BUS},