Thread (30 messages) 30 messages, 6 authors, 2017-05-19
STALE3323d
Revisions (3)
  1. v5 current
  2. v6 [diff vs current]
  3. v8 [diff vs current]

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

From: Stefan Wahren <hidden>
Date: 2017-05-10 08:58:11
Also in: linux-serial, lkml, netdev
Subsystem: open firmware and flattened device tree bindings, the rest, tty layer and serial drivers · Maintainers: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds, Greg Kroah-Hartman, Jiri Slaby

This adds a new DT property to define the current baud rate of the
slave device.

Signed-off-by: Stefan Wahren <redacted>
---
 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
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help