MADERA_MCLK1
madera->mclk[MADERA_MCLK1].id = "mclk1";
val -= (MADERA_OUTCLK_MCLK1 - MADERA_MCLK1);
clk_idx = MADERA_MCLK1;
clk = madera->mclk[MADERA_MCLK1].clk;