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[PATCH v5 14/17] dt-bindings: slave-device: add current-speed property

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  [PATCH v5 14/17] dt-bindings: slave-device: add current-speed property Stefan Wahren <stefan.wahren@i2se.com> - 2017-05-10 11:00 +0200

#1638678 — [PATCH v5 14/17] 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 <stefan.wahren@i2se.com>
---
 Documentation/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 f660379..40110e0 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:
 
-- 
2.1.4

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