| Message ID | 20170719233654.25908-4-fcooper@ti.com |
|---|---|
| State | Changes Requested, archived |
| Headers | show |
On Wed, Jul 19, 2017 at 06:36:53PM -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@ti.com> > --- > 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 { unit-address should have corresponding reg prop or unit-address should be dropped. > + max-arbitration-speed = <1000000>; > + max-data-speed = <5000000>; > + }; > }; > -- > 2.10.0 > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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>; + }; };
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@ti.com> --- Documentation/devicetree/bindings/net/can/m_can.txt | 10 ++++++++++ 1 file changed, 10 insertions(+)