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How to set up UART2 in J990

1,094 bytes added, 18:01, 25 January 2012

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'''Enable UART2 in J990:'''

Type:<pre>echo 0x101 > &gt; mcbsp3_dxecho 0x101 > &gt; mcbsp3_clkxecho 0x101 > &gt; mcbsp3_fsxecho 0x101 &gt; mcbsp3_dr </pre> Check that:<pre>root@localhost:/sys/kernel/debug/omap_mux# cat mcbsp3_dx name: mcbsp3_dx.uart2_cts (0x4800216c/0x13c = 0x0101), b af6, t NAmode: OMAP_PIN_INPUT | OMAP_MUX_MODE1signals: mcbsp3_dx | uart2_cts | NA | NA | gpio_140 | hsusb3_tll_data4 | NA | safe_moderoot@localhost:/sys/kernel/debug/omap_mux# cat mcbsp3_clkx name: mcbsp3_clkx.uart2_tx (0x48002170/0x140 = 0x0101), b af5, t NAmode: OMAP_PIN_INPUT | OMAP_MUX_MODE1signals: mcbsp3_clkx | uart2_tx | NA | NA | gpio_142 | hsusb3_tll_data6 | NA | safe_moderoot@localhost:/sys/kernel/debug/omap_mux# cat mcbsp3_fsx name: mcbsp3_fsx.uart2_rx (0x48002172/0x142 = 0x0101), b ae5, t NAmode: OMAP_PIN_INPUT | OMAP_MUX_MODE1signals: mcbsp3_fsx | uart2_rx | NA | NA | gpio_143 | hsusb3_tll_data7 | NA | safe_moderoot@localhost:/sys/kernel/debug/omap_mux# cat mcbsp3_dr name: mcbsp3_dr.uart2_rts (0x4800216e/0x13e = 0x0101), b ae6, t NAmode: OMAP_PIN_INPUT | OMAP_MUX_MODE1signals: mcbsp3_dr | uart2_rts | NA | NA | gpio_141 | hsusb3_tll_data5 | NA | safe_moderoot@localhost:/sys/kernel/debug/omap_mux# </pre>p

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