SUN4I_TCON0_IO_TRI_REG
regmap_write(tcon->regs, SUN4I_TCON0_IO_TRI_REG,
regmap_write(tcon->regs, SUN4I_TCON0_IO_TRI_REG, 0xe0000000);
regmap_write(tcon->regs, SUN4I_TCON0_IO_TRI_REG, 0);
regmap_write(tcon->regs, SUN4I_TCON0_IO_TRI_REG, ~0);