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authorFranklin S Cooper Jr <fcooper@ti.com>2018-01-16 17:07:10 +0530
committerMarc Kleine-Budde <mkl@pengutronix.de>2018-01-16 15:11:32 +0100
commitb54f9eea7667b3011e6c7e646051c7a7bfcd8165 (patch)
tree130b4aae8a2a33add7939dfaa23d65c556e99d94 /Documentation
parent2290aefa2e90a43af8555ad6431d49de43259aa3 (diff)
downloadlinux-b54f9eea7667b3011e6c7e646051c7a7bfcd8165.tar.bz2
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>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/net/can/m_can.txt9
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/can/m_can.txt b/Documentation/devicetree/bindings/net/can/m_can.txt
index 63e90421d029..ed614383af9c 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@20e8000 {
@@ -63,4 +68,8 @@ Board dts:
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_m_can1>;
status = "enabled";
+
+ can-transceiver {
+ max-bitrate = <5000000>;
+ };
};