AM335X_I2C_CON
I2C_WRITE_REG(sc, AM335X_I2C_CON, 0);
I2C_WRITE_REG(sc, AM335X_I2C_CON, I2C_CON_EN);
I2C_WRITE_REG(sc, AM335X_I2C_CON, 0);
I2C_WRITE_REG(sc, AM335X_I2C_CON, I2C_CON_EN);
AM335X_I2C_CON, I2C_CON_EN | I2C_CON_MST | I2C_CON_STP);
I2C_WRITE_REG(sc, AM335X_I2C_CON, con);
I2C_WRITE_REG(sc, AM335X_I2C_CON, 0);
while (I2C_READ_REG(sc, AM335X_I2C_CON) & I2C_CON_MST) {