[PATCH 3/4] can: m_can: Update documentation to mention new fixed transceiver binding
From: Franklin S Cooper Jr <hidden>
Date: 2017-07-19 23:38:01
Also in:
linux-can, linux-devicetree, lkml
Subsystem:
can network drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Marc Kleine-Budde, Vincent Mailhol, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Add information regarding fixed 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 <redacted> --- Documentation/devicetree/bindings/net/can/m_can.txt | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/Documentation/devicetree/bindings/net/can/m_can.txt b/Documentation/devicetree/bindings/net/can/m_can.txt
index 9e33177..4440e4b 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 properties: +- fixed-transceiver : Fixed-transceiver subnode describing maximum speed + that can be used for CAN and/or CAN-FD modes. See + Documentation/devicetree/bindings/net/can/fixed-transceiver.txt + for details. Example: SoC dtsi: m_can1: can@020e8000 {
@@ -64,4 +69,9 @@ Board dts: pinctrl-names = "default"; pinctrl-0 = <&pinctrl_m_can1>; status = "enabled"; + + fixed-transceiver@0 { + max-arbitration-speed = <1000000>; + max-data-speed = <5000000>; + }; };
--
2.10.0