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How to set up UART2 in J990

7 bytes removed, 18:39, 25 January 2012

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= Fast Mode<br> =

Fast Mode, : set up UART2 until system reboot or halt. Using user space to configure mux and disabling disable bluethoot. Default kernel binaries and source have &nbsp; has disabled TWL4030 PCM voice interface output pins to high impedance, otherwise this module forces the level of mcbsp3_fsx and mcbsp3_clkx pins. To make sure, go to ~/sound/soc/codecs/twl4030.c file already read: <br>

<pre> 0x04, /* REG_VOICE_IF (0xF) */</pre>

=== Configure IGEP ===

Log with root user via SSH or Serial cable.<br>

Go to /sys/kernel/debug/omap_mux/<br>

Set sdmmc2_dat5 to GPIO137 mode(4):

signals: mcbsp3_dr | uart2_rts | NA | NA | gpio_141 | hsusb3_tll_data5 | NA | safe_mode

root@localhost:/sys/kernel/debug/omap_mux#

</pre> 

=== Test UART2 in J990<br> ===

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