You can use them.

Gerald



On Wed, Dec 18, 2013 at 4:09 AM, Renato Riolino
<[email protected]>wrote:

> Looking at the Reference Manual (Rev A5.6), on table 12, pins 17 and 18 on
> P9 are used by I2C1_SCL and I2C1_SDA and then on table 17, it says that P9
> 17 and 18 are used by EEPROM.
>
> Is that the reason I can't use them?
>
> Is there another way to use all UARTs on P8 and P9?
>
> Thanks
>
> Em segunda-feira, 16 de dezembro de 2013 14h05min52s UTC-2, Renato Riolino
> escreveu:
>
>> Hi,
>>
>> I have an application that needs 5 UARTs to work. We are building a cape
>> board to plug on P8 and P9 to expose all 6 uarts from the CPU.
>>
>> I've made a DT file for all uarts. All are working now except for UART0
>> that is still only accessable via the 6 pin ttl debug pins.
>>
>> Specific for UART0, the PIN settings on my DT file is:
>>
>>         fragment@0 {
>>                 target = <&am33xx_pinmux>;
>>                 __overlay__ {
>>                         bb_uart0_pins: pinmux_bb_uart0_pins {
>>                                 pinctrl-single,pins = <
>>                                         0x15C 0x04 /* P9.17
>> uart0_txd.uart0_txd  OUTPUT  */
>>                                         0x158 0x24 /* P9.18
>> uart0_rxd.uart0_rxd  INPUT  */
>>                                 >;
>>                         };
>>                 };
>>         };
>>
>> But still only on debug header I can get a signal.  Any ideas of what I
>> am doing wrong?
>>
>> Thanks.
>>
>  --
> For more options, visit http://beagleboard.org/discuss
> ---
> You received this message because you are subscribed to the Google Groups
> "BeagleBoard" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to [email protected].
> For more options, visit https://groups.google.com/groups/opt_out.
>

-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
"BeagleBoard" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
For more options, visit https://groups.google.com/groups/opt_out.

Reply via email to