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@xxxxxx>
---
Drop unit address.
Switch from using fixed-transceiver to can-transceiver
Indicate that can-transceiver is an optional subnode not a property.
Documentation/devicetree/bindings/net/can/m_can.txt | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/can/m_can.txt b/Documentation/devicetree/bindings/net/can/m_can.txt
index 9e33177..ee90aac 100644
--- a/Documentation/devicetree/bindings/net/can/m_can.txt
+++ b/Documentation/devicetree/bindings/net/can/m_can.txt
@@ -43,6 +43,11 @@ Required properties:
Please refer to 2.4.1 Message RAM Configuration in
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:
SoC dtsi:
m_can1: can@020e8000 {
@@ -64,4 +69,8 @@ Board dts:
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_m_can1>;
status = "enabled";
+
+ can-transceiver@ {
+ max-bitrate = <5000000>;
+ };
};
--
2.9.4.dirty
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