1Renesas R-Car CAN controller Device Tree Bindings
2-------------------------------------------------
3
4Required properties:
5- compatible: "renesas,can-r8a7778" if CAN controller is a part of R8A7778 SoC.
6	      "renesas,can-r8a7779" if CAN controller is a part of R8A7779 SoC.
7	      "renesas,can-r8a7790" if CAN controller is a part of R8A7790 SoC.
8	      "renesas,can-r8a7791" if CAN controller is a part of R8A7791 SoC.
9- reg: physical base address and size of the R-Car CAN register map.
10- interrupts: interrupt specifier for the sole interrupt.
11- clocks: phandles and clock specifiers for 3 CAN clock inputs.
12- clock-names: 3 clock input name strings: "clkp1", "clkp2", "can_clk".
13- pinctrl-0: pin control group to be used for this controller.
14- pinctrl-names: must be "default".
15
16Optional properties:
17- renesas,can-clock-select: R-Car CAN Clock Source Select. Valid values are:
18			    <0x0> (default) : Peripheral clock (clkp1)
19			    <0x1> : Peripheral clock (clkp2)
20			    <0x3> : Externally input clock
21
22Example
23-------
24
25SoC common .dtsi file:
26
27	can0: can@e6e80000 {
28		compatible = "renesas,can-r8a7791";
29		reg = <0 0xe6e80000 0 0x1000>;
30		interrupts = <0 186 IRQ_TYPE_LEVEL_HIGH>;
31		clocks = <&mstp9_clks R8A7791_CLK_RCAN0>,
32			 <&cpg_clocks R8A7791_CLK_RCAN>, <&can_clk>;
33		clock-names = "clkp1", "clkp2", "can_clk";
34		status = "disabled";
35	};
36
37Board specific .dts file:
38
39&can0 {
40	pinctrl-0 = <&can0_pins>;
41	pinctrl-names = "default";
42	status = "okay";
43};
44