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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2018-09-11 08:26:30 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2018-09-11 17:23:13 +0200 |
| commit | 35f607bc7da71b302fd6bf3d6d48d7ea66df1195 (patch) | |
| tree | dd2cf14c56430d21079c794fa6e03d7f5d91070e /dts/Bindings/serial/fsl-imx-uart.txt | |
| parent | 625eea2765d94aee016cf25d9cabecde8eae0775 (diff) | |
| download | barebox-35f607bc7da71b302fd6bf3d6d48d7ea66df1195.tar.gz barebox-35f607bc7da71b302fd6bf3d6d48d7ea66df1195.tar.xz | |
dts: update to v4.19-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/serial/fsl-imx-uart.txt')
| -rw-r--r-- | dts/Bindings/serial/fsl-imx-uart.txt | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/dts/Bindings/serial/fsl-imx-uart.txt b/dts/Bindings/serial/fsl-imx-uart.txt index afcfbc34e2..35957cbf15 100644 --- a/dts/Bindings/serial/fsl-imx-uart.txt +++ b/dts/Bindings/serial/fsl-imx-uart.txt @@ -9,7 +9,11 @@ Optional properties: - fsl,dte-mode : Indicate the uart works in DTE mode. The uart works in DCE mode by default. - rs485-rts-delay, rs485-rts-active-low, rs485-rx-during-tx, - linux,rs485-enabled-at-boot-time: see rs485.txt + 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" + properties. In case you use "uart-has-rtscts" the signal that controls + the transceiver is actually CTS_B, not RTS_B. CTS_B is always output, + and RTS_B is input, regardless of dte-mode. Please check Documentation/devicetree/bindings/serial/serial.txt for the complete list of generic properties. |