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dt-bindings: can: m_can: Document new can transceiver binding 

Add information regarding can-transceiver binding. This is especially
important for MCAN since the IP allows CAN FD mode to run significantly
faster than what most transceivers are capable of.

Signed-off-by: Franklin S Cooper Jr <fcooper@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Franklin S Cooper Jr 2018-01-16 17:07:10 +05:30 committed by Marc Kleine-Budde
parent 2290aefa2e
commit b54f9eea76
1 changed files with 9 additions and 0 deletions
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Documentation/devicetree/bindings/net/can/m_can.txt
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@ -43,6 +43,11 @@ Required properties:
Please refer to 2.4.1 Message RAM Configuration in Please refer to 2.4.1 Message RAM Configuration in
Bosch M_CAN user manual for details. Bosch M_CAN user manual for details.
Optional Subnode:
- can-transceiver : Can-transceiver subnode describing maximum speed
that can be used for CAN/CAN-FD modes. See
Documentation/devicetree/bindings/net/can/can-transceiver.txt
for details.
Example: Example:
SoC dtsi: SoC dtsi:
m_can1: can@20e8000 { m_can1: can@20e8000 {
@ -63,4 +68,8 @@ Board dts:
pinctrl-names = "default"; pinctrl-names = "default";
pinctrl-0 = <&pinctrl_m_can1>; pinctrl-0 = <&pinctrl_m_can1>;
status = "enabled"; status = "enabled";
can-transceiver {
max-bitrate = <5000000>;
};
}; };