[OpenWrt-Devel] RT5350 UART not working.

[Luis Soltero]

sorry... i sent the docs for the AWM003 not the AWM002...


On 12/1/14 3:43 PM, Luis Soltero wrote:
>
> Hello John,
>
> this is the AWM002 module...
> http://www.asiarf.com/Smallest-Tiny-Ralink-802-11n-Wireless-AP-Router-Module-Board-AWM002-product-view-375.html
>
> with the corresponding AsiaRF IO/Dev/Eval board.  Here is pin sharing scheme for the board. I have attached the docs
>
> RTS I2S_CLK GPIO #7 1 2 GPIO #11 PCM_FS DTR
>
> TXD I2S_WS GPIO #8 3 4 GPIO #12 PCM_CLK DCD
>
> CTS I2S_SDO GPIO #9 5 6 GPIO #13 PCM_DRX DSR
>
> RXD I2S_SDI GPIO #10 7 8 GPIO #14 PCM_DTX RI
>
> I2C_CLK GPIO #2 9 10 GPIO #1 I2C_SD
>
> RX1+ 11 12 TX1+
>
> RX1- 13 14 TX1-
>
> GND 15 16 GND
>
>
> --luis
>
>
> On 12/1/14 3:24 PM, John Crispin wrote:
>> ermmm ... i booted rt5350 on the weekend with uccess .. but that has
>> nothing to say. which boar is this ? i assume the small asiarf one ?
>>
>>
>>
>> On 01/12/2014 13:40, Luis Soltero wrote:
>>> anyone have any ideas on how to get the RT5350 UART working?
>>>
>>> here is the error in the log.
>>>
>>> [    0.460000] pinctrl core: add 1 pinmux maps
>>> [    0.460000] rt2880-pinmux pinctrl.1: found group selector 2 for uartf
>>> [    0.460000] rt2880-pinmux pinctrl.1: request pin 7 (io7) for
>>> 10000500.uart
>>> [    0.460000] rt2880-pinmux pinctrl.1: pin io7 already requested by
>>> pinctrl.1; cannot claim for 10000500.uart
>>> [    0.480000] rt2880-pinmux pinctrl.1: pin-7 (10000500.uart) status -22
>>> [    0.480000] rt2880-pinmux pinctrl.1: could not request pin 7 (io7)
>>> from group uartf  on device rt2880-pinmux
>>> [    0.510000] of_serial 10000500.uart: Error applying setting, reverse
>>> things back
>>> [    0.530000] 10000500.uart: ttyS1 at MMIO 0x10000500 (irq = 13,
>>> base_baud = 2500000) is a 16550A
>>>
>>> here is the DTS config for the uart.
>>>
>>> palmbus at 10000000 {
>>>                  uart at 500 {
>>>                      status = "okay";
>>>                  };
>>>                  i2c at 900 {
>>>                      status = "okay";
>>>                  };
>>>                  gpio0: gpio at 600 {
>>>                      status = "okay";
>>>                  };
>>>                  gpio1: gpio at 660 {
>>>                      status = "okay";
>>>                  };
>>>          };
>>>
>>>          pinctrl {
>>>                  state_default: pinctrl0 {
>>>                          gpio {
>>>                                  ralink,group = "i2c", "jtag";
>>>                                  ralink,function = "gpio";
>>>                          };
>>>                          uartf {
>>>                                  ralink,group = "uartf";
>>>                                  ralink,function = "uartf";
>>>                          };
>>>                  };
>>>          };
>>>
>>>
>>> Any info/hints on this are greatly appreciated.
>>>
>>> Thanks,
>>>
>>> --luis
>>>
>>>
>>>
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>>
>
>
>
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-- 


Luis Soltero, Ph.D., MCS
Director of Software Development, CTO
Global Marine Networks, LLC
StarPilot, LLC
Tel: +1.865.379.8723
Fax: +1.865.681.5017
E-Mail: lsoltero at globalmarinenet.net
Web: http://www.globalmarinenet.net
Web: http://www.redportglobal.com
Web: http://www.starpilotllc.com

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