From: George Hilliard Date: Wed, 26 Feb 2020 22:23:18 +0000 (-0600) Subject: dt-bindings: serial: document fsl,inverted-tx and -rx options X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=9dd5185a206d714a6e960095471b472171eccf0a;p=linux.git 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 Reviewed-by: Rob Herring Link: https://lore.kernel.org/r/20200226222319.18383-2-ghilliard@kopismobile.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt b/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt index 35957cbf1571e..c8d677f9491fb 100644 --- a/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt +++ b/Documentation/devicetree/bindings/serial/fsl-imx-uart.txt @@ -8,6 +8,10 @@ Required properties: Optional properties: - fsl,dte-mode : Indicate the uart works in DTE mode. The uart works in DCE mode by default. +- fsl,inverted-tx , fsl,inverted-rx : Indicate that the hardware attached + to the peripheral inverts the signal transmitted or received, + respectively, and that the peripheral should invert its output/input + using the INVT/INVR registers. - rs485-rts-delay, rs485-rts-active-low, rs485-rx-during-tx, linux,rs485-enabled-at-boot-time: see rs485.txt. Note that for RS485 you must enable either the "uart-has-rtscts" or the "rts-gpios"