From 1820827949201041b233dbe7ac5b5c518944b9dd Mon Sep 17 00:00:00 2001 From: Stefan Wahren Date: Mon, 29 May 2017 13:57:23 +0200 Subject: [PATCH] dt-bindings: slave-device: add current-speed property This adds a new DT property to define the current baud rate of the slave device. Signed-off-by: Stefan Wahren Reviewed-by: Rob Herring Signed-off-by: David S. Miller --- .../devicetree/bindings/serial/slave-device.txt | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/Documentation/devicetree/bindings/serial/slave-device.txt b/Documentation/devicetree/bindings/serial/slave-device.txt index f66037928f5f..40110e019620 100644 --- a/Documentation/devicetree/bindings/serial/slave-device.txt +++ b/Documentation/devicetree/bindings/serial/slave-device.txt @@ -21,6 +21,15 @@ Optional Properties: can support. For example, a particular board has some signal quality issue or the host processor can't support higher baud rates. +- current-speed : The current baud rate the device operates at. This should + only be present in case a driver has no chance to know + the baud rate of the slave device. + Examples: + * device supports auto-baud + * the rate is setup by a bootloader and there is no + way to reset the device + * device baud rate is configured by its firmware but + there is no way to request the actual settings Example: -- 2.45.2