GPIO
====

The following table contains user relevant GPIOs:

+-----------------+------+--------------------------------+------------------------------+-----------+--------+
| Name            | GPIO | i.MX28                         | Linux Device /sys/class/gpio | Direction | Pin    |
+=================+======+================================+==============================+===========+========+
| DAUGHTER_GPIO_0 | 39   | MX28_PAD_LCD_D07_GPIO_1_7      | gpio39                       | Output    | X2--15 |
+-----------------+------+--------------------------------+------------------------------+-----------+--------+
| DAUGHTER_GPIO_1 | 42   | MX28_PAD_LCD_D10_GPIO_1_10     | gpio42                       | Output    | X2--16 |
+-----------------+------+--------------------------------+------------------------------+-----------+--------+
| DAUGHTER_GPIO_2 | 57   | MX28_PAD_LCD_WR_RWN_GPIO_1_25  | gpio57                       | Output    | X2--17 |
+-----------------+------+--------------------------------+------------------------------+-----------+--------+
| DAUGHTER_GPIO_3 | 60   | MX28_PAD_LCD_VSYNC_GPIO_1_28   | gpio60                       | Output    | X2--18 |
+-----------------+------+--------------------------------+------------------------------+-----------+--------+
| DAUGHTER_GPIO_4 | 61   | MX28_PAD_LCD_HSYNC_GPIO_1_29   | gpio61                       | Output    | X2--19 |
+-----------------+------+--------------------------------+------------------------------+-----------+--------+
| DAUGHTER_GPIO_5 | 62 	 | MX28_PAD_LCD_DOTCLK_GPIO_1_30  | gpio62                       | Output    | X2--20 |
+-----------------+------+--------------------------------+------------------------------+-----------+--------+
| QCA7K_RESET     | 45   | MX28_PAD_LCD_D13_GPIO_1_13     | gpio45                       | Input     | --     |
+-----------------+------+--------------------------------+------------------------------+-----------+--------+
| QCA7K_GPIO_0    | 46   | MX28_PAD_LCD_D14_GPIO_1_14     | gpio46                       | Input     | --     |
+-----------------+------+--------------------------------+------------------------------+-----------+--------+
| QCA7K_GPIO_1    | 47   | MX28_PAD_LCD_D15_GPIO_1_15     | gpio47                       | Input     | --     |
+-----------------+------+--------------------------------+------------------------------+-----------+--------+
| QCA7K_GPIO_2    | 50   | MX28_PAD_LCD_D18_GPIO_1_18     | gpio50                       | Input     | --     |
+-----------------+------+--------------------------------+------------------------------+-----------+--------+
| QCA7K_GPIO_3    | 53   | MX28_PAD_LCD_D21_GPIO_1_21     | gpio53                       | Input     | --     |
+-----------------+------+--------------------------------+------------------------------+-----------+--------+