[OpenWrt-Devel] RT5350 UART not working.

[Luis Soltero]

Hello All,

it seems that I am not the only one having this issue.

https://dev.openwrt.org/ticket/14211
https://dev.openwrt.org/ticket/16831

any thoughts on how to resolve the UARTF issue on the 5350 is greatly appreciated.

thanks,

--luis

On 12/1/14 3:49 PM, Luis Soltero wrote:
>
> 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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