1 CAN Device Tree Bindings
2 ------------------------
3
4 (c) 2006-2009 Secret Lab Technologies Ltd
5 Grant Likely <grant.likely@secretlab.ca>
6
7 fsl,mpc5200-mscan nodes
8 -----------------------
9 In addition to the required compatible-, reg- and interrupt-properties, you can
10 also specify which clock source shall be used for the controller:
11
12 - fsl,mscan-clock-source : a string describing the clock source. Valid values
13 are: "ip" for ip bus clock
14 "ref" for reference clock (XTAL)
15 "ref" is default in case this property is not
16 present.
17
18 fsl,mpc5121-mscan nodes
19 -----------------------
20 In addition to the required compatible-, reg- and interrupt-properties, you can
21 also specify which clock source and divider shall be used for the controller:
22
23 - fsl,mscan-clock-source : a string describing the clock source. Valid values
24 are: "ip" for ip bus clock
25 "ref" for reference clock
26 "sys" for system clock
27 If this property is not present, an optimal CAN
28 clock source and frequency based on the system
29 clock will be selected. If this is not possible,
30 the reference clock will be used.
31
32 - fsl,mscan-clock-divider: for the reference and system clock, an additional
33 clock divider can be specified. By default, a
34 value of 1 is used.
35
36 Note that the MPC5121 Rev. 1 processor is not supported.
37
38 Examples:
39 can@1300 {
40 compatible = "fsl,mpc5121-mscan";
41 interrupts = <12 0x8>;
42 interrupt-parent = <&ipic>;
43 reg = <0x1300 0x80>;
44 };
45
46 can@1380 {
47 compatible = "fsl,mpc5121-mscan";
48 interrupts = <13 0x8>;
49 interrupt-parent = <&ipic>;
50 reg = <0x1380 0x80>;
51 fsl,mscan-clock-source = "ref";
52 fsl,mscan-clock-divider = <3>;
53 };
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