On 08/06/2018 06:21 PM, Sergei Shtylyov wrote: >> After adding CAN support to arch/arm64/boot/dts/renesas/r8a77965.dtsi, >> checkpatch complained that the new compatible string >> "renesas,can-r8a77965" is not documented. Fix the warning. >> >> Signed-off-by: Eugeniu Rosca <erosca@xxxxxxxxxxxxxx> >> --- >> Documentation/devicetree/bindings/net/can/rcar_can.txt | 10 +++++++--- >> 1 file changed, 7 insertions(+), 3 deletions(-) >> >> diff --git a/Documentation/devicetree/bindings/net/can/rcar_can.txt b/Documentation/devicetree/bindings/net/can/rcar_can.txt >> index 94a7f33ac5e9..23264451a5a4 100644 >> --- a/Documentation/devicetree/bindings/net/can/rcar_can.txt >> +++ b/Documentation/devicetree/bindings/net/can/rcar_can.txt > [...] >> @@ -28,9 +29,8 @@ Required properties: >> - pinctrl-0: pin control group to be used for this controller. >> - pinctrl-names: must be "default". >> >> -Required properties for "renesas,can-r8a7795" and "renesas,can-r8a7796" >> -compatible: >> -In R8A7795 and R8A7796 SoCs, "clkp2" can be CANFD clock. This is a div6 clock >> +Required properties for compatibles [A], [B] and [C]: > > I'd suggest to avoid the footnotes: > > Required properties for compatibles R8A7795, R8A7796, and R8A77965: Oops, the word "compatibles" shouldn't have been there... >> +For the denoted SoCs, "clkp2" can be CANFD clock. This is a div6 clock >> and can be used by both CAN and CAN FD controller at the same time. It needs to >> be scaled to maximum frequency if any of these controllers use it. This is done >> using the below properties: > [...] MBR, Sergei