dt-bindings: serial: document fsl,inverted-tx and -rx options
Add a description for the new fsl,inverted-tx and fsl,inverted-rx options for the i.MX UART peripheral. Signed-off-by: George Hilliard <ghilliard@kopismobile.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20200226222319.18383-2-ghilliard@kopismobile.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -8,6 +8,10 @@ Required properties:
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Optional properties:
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- fsl,dte-mode : Indicate the uart works in DTE mode. The uart works
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in DCE mode by default.
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- fsl,inverted-tx , fsl,inverted-rx : Indicate that the hardware attached
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to the peripheral inverts the signal transmitted or received,
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respectively, and that the peripheral should invert its output/input
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using the INVT/INVR registers.
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- rs485-rts-delay, rs485-rts-active-low, rs485-rx-during-tx,
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linux,rs485-enabled-at-boot-time: see rs485.txt. Note that for RS485
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you must enable either the "uart-has-rtscts" or the "rts-gpios"
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