otg2_ref_parents 643 drivers/clk/sprd/sc9860-clk.c static const char * const otg2_ref_parents[] = { "twpll-12m", "twpll-24m" }; otg2_ref_parents 644 drivers/clk/sprd/sc9860-clk.c static SPRD_MUX_CLK(otg2_ref, "otg2-ref", otg2_ref_parents, 0x2f4,