提交 18208279 编写于 作者: S Stefan Wahren 提交者: David S. Miller

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: NStefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: NRob Herring <robh@kernel.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 4aab28ca
...@@ -21,6 +21,15 @@ Optional Properties: ...@@ -21,6 +21,15 @@ Optional Properties:
can support. For example, a particular board has some signal can support. For example, a particular board has some signal
quality issue or the host processor can't support higher quality issue or the host processor can't support higher
baud rates. 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: Example:
......
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