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How to set up UART2 in J990

170 bytes added, 17:45, 25 January 2012

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Go to /sys/kernel/debug/omap_mux/.

'''Disable Bluethoot:'''

Set sdmmc2_dat5 to GPIO GPIO137 mode(4):

<pre>echo 0x004 &gt; sdmmc2_dat5 </pre>

Check that:

mode: OMAP_PIN_OUTPUT | OMAP_MUX_MODE4

signals: sdmmc2_dat5 | sdmmc2_dir_dat1 | cam_global_reset | sdmmc3_dat1 | gpio_137 | hsusb3_tll_stp | mm3_rxdp | safe_mode

</pre> '''Disable Bluethoot:''' Go to: /sys/class/gpio/  Export Gpio137 if you don't have it:<pre>echo 137 > /sys/class/gpio/export </pre>Check that:<pre>l </pre>

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