U3P_U2PHYDTM1
mtk_phy_clear_bits(com + U3P_U2PHYDTM1, P2C_RG_UART_EN);
mtk_phy_set_bits(com + U3P_U2PHYDTM1, P2C_RG_VBUSVALID | P2C_RG_AVALID);
mtk_phy_clear_bits(com + U3P_U2PHYDTM1, P2C_RG_SESSEND);
mtk_phy_clear_bits(com + U3P_U2PHYDTM1, P2C_RG_VBUSVALID | P2C_RG_AVALID);
mtk_phy_set_bits(com + U3P_U2PHYDTM1, P2C_RG_SESSEND);
tmp = readl(u2_banks->com + U3P_U2PHYDTM1);
writel(tmp, u2_banks->com + U3P_U2PHYDTM1);