On Mon, Jul 24, 2017 at 06:05:20PM -0500, Franklin S Cooper Jr wrote:
> 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 <fcooper@xxxxxx>
> ---
> Version 2 changes:
> Drop unit address
>
> 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..e4abd2c 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
This is a node, not a property. Sub nodes should have their own section.
> + 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 {
> + max-arbitration-speed = <1000000>;
> + max-data-speed = <5000000>;
> + };
> };
> --
> 2.10.0
>
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