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

Stefan Wahren
2017-05-10T08:53:25Z

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