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yaml --- r: 183476 b: refs/heads/master c: 959d20b h: refs/heads/master v: v3
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Wolfgang Grandegger
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David S. Miller
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Jan 8, 2010
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refs/heads/master: bf3af54732bea5894ccc2cbde3ab566f0af7da56 | ||
refs/heads/master: 959d20bfe8b90023c862dec3956054027a5a0912 |
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CAN Device Tree Bindings | ||
------------------------ | ||
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(c) 2006-2009 Secret Lab Technologies Ltd | ||
Grant Likely <grant.likely@secretlab.ca> | ||
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fsl,mpc5200-mscan nodes | ||
----------------------- | ||
In addition to the required compatible-, reg- and interrupt-properties, you can | ||
also specify which clock source shall be used for the controller: | ||
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- fsl,mscan-clock-source : a string describing the clock source. Valid values | ||
are: "ip" for ip bus clock | ||
"ref" for reference clock (XTAL) | ||
"ref" is default in case this property is not | ||
present. | ||
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fsl,mpc5121-mscan nodes | ||
----------------------- | ||
In addition to the required compatible-, reg- and interrupt-properties, you can | ||
also specify which clock source and divider shall be used for the controller: | ||
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- fsl,mscan-clock-source : a string describing the clock source. Valid values | ||
are: "ip" for ip bus clock | ||
"ref" for reference clock | ||
"sys" for system clock | ||
If this property is not present, an optimal CAN | ||
clock source and frequency based on the system | ||
clock will be selected. If this is not possible, | ||
the reference clock will be used. | ||
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- fsl,mscan-clock-divider: for the reference and system clock, an additional | ||
clock divider can be specified. By default, a | ||
value of 1 is used. | ||
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Note that the MPC5121 Rev. 1 processor is not supported. | ||
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Examples: | ||
can@1300 { | ||
compatible = "fsl,mpc5121-mscan"; | ||
interrupts = <12 0x8>; | ||
interrupt-parent = <&ipic>; | ||
reg = <0x1300 0x80>; | ||
}; | ||
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can@1380 { | ||
compatible = "fsl,mpc5121-mscan"; | ||
interrupts = <13 0x8>; | ||
interrupt-parent = <&ipic>; | ||
reg = <0x1380 0x80>; | ||
fsl,mscan-clock-source = "ref"; | ||
fsl,mscan-clock-divider = <3>; | ||
}; |
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