USB2_BIAS_PAD_CTL0_HS_DISCON_LEVEL
reg &= ~USB2_BIAS_PAD_CTL0_HS_DISCON_LEVEL(~0);
reg |= USB2_BIAS_PAD_CTL0_HS_DISCON_LEVEL(5);
reg &= ~USB2_BIAS_PAD_CTL0_HS_DISCON_LEVEL(~0);
reg |= USB2_BIAS_PAD_CTL0_HS_DISCON_LEVEL(0x7);