SCU_COPRO_CTRL
regmap_read(master->scu, SCU_COPRO_CTRL, ®);
regmap_write(master->scu, SCU_COPRO_CTRL, SCU_COPRO_RESET);
regmap_write(master->scu, SCU_COPRO_CTRL, 0);
regmap_write(master->scu, SCU_COPRO_CTRL, SCU_COPRO_CLK_EN);