From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Wahren Subject: [PATCH v5 14/17] dt-bindings: slave-device: add current-speed property Date: Wed, 10 May 2017 10:53:25 +0200 Message-ID: <1494406408-31760-15-git-send-email-stefan.wahren@i2se.com> References: <1494406408-31760-1-git-send-email-stefan.wahren@i2se.com> Cc: Mark Rutland , Greg Kroah-Hartman , Jiri Slaby , linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, Stefan Wahren To: Rob Herring , "David S. Miller" Return-path: In-Reply-To: <1494406408-31760-1-git-send-email-stefan.wahren@i2se.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org This adds a new DT property to define the current baud rate of the slave device. Signed-off-by: Stefan Wahren --- 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