diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/net/can/rcar_canfd.txt | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/Documentation/devicetree/bindings/net/can/rcar_canfd.txt b/Documentation/devicetree/bindings/net/can/rcar_canfd.txt index d45182bd21dd..22a6f10bab05 100644 --- a/Documentation/devicetree/bindings/net/can/rcar_canfd.txt +++ b/Documentation/devicetree/bindings/net/can/rcar_canfd.txt @@ -32,6 +32,12 @@ below properties. - assigned-clocks: phandle of canfd clock. - assigned-clock-rates: maximum frequency of this clock. +Optional property: +The controller can operate in either CAN FD only mode (default) or +Classical CAN only mode. The mode is global to both the channels. In order to +enable the later, define the following optional property. + - renesas,no-can-fd: puts the controller in Classical CAN only mode. + Example ------- @@ -63,12 +69,13 @@ SoC common .dtsi file: Board specific .dts file: -E.g. below enables Channel 1 alone in the board. +E.g. below enables Channel 1 alone in the board in Classical CAN only mode. &canfd { - pinctrl-0 = <&canfd1_pins>; - pinctrl-names = "default"; - status = "okay"; + pinctrl-0 = <&canfd1_pins>; + pinctrl-names = "default"; + renesas,no-can-fd; + status = "okay"; channel1 { status = "okay"; @@ -79,9 +86,9 @@ E.g. below enables Channel 0 alone in the board using External clock as fCAN clock. &canfd { - pinctrl-0 = <&canfd0_pins &can_clk_pins>; - pinctrl-names = "default"; - status = "okay"; + pinctrl-0 = <&canfd0_pins &can_clk_pins>; + pinctrl-names = "default"; + status = "okay"; channel0 { status = "okay"; |