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net/can/mpc52xx_can: improve properties and their description

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Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: devicetree-discuss@ozlabs.org
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Wolfram Sang 2009-11-16 12:57:51 +00:00 committed by David S. Miller
parent 3f158c2532
commit 81593c1cea
2 changed files with 6 additions and 6 deletions
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9
Documentation/powerpc/dts-bindings/fsl/mpc5200.txt
View File

@ -181,9 +181,10 @@ External interrupts:
fsl,mpc5200-mscan nodes
-----------------------
In addition to the required compatible-, reg- and interrupt-properites, you can
also specify which clock shall be used for the bus:
also specify which clock source shall be used for the controller:
- fsl,mscan-clk-src - a string describing the clock source. Valid values
are "ip" for IP_CLK and "sys" for SYS_XTAL.
"sys" is the default in case the property is not
- 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.

3
drivers/net/can/mscan/mpc52xx_can.c
View File

@ -130,7 +130,7 @@ static int __devinit mpc5xxx_can_probe(struct of_device *ofdev,
* choice as it has less jitter. For this reason, it is selected
* by default.
*/
clk_src = of_get_property(np, "fsl,mscan-clk-src", NULL);
clk_src = of_get_property(np, "fsl,mscan-clock-source", NULL);
if (clk_src && strcmp(clk_src, "ip") == 0)
clock_src = MSCAN_CLKSRC_BUS;
else
@ -227,7 +227,6 @@ static int mpc5xxx_can_resume(struct of_device *ofdev)
static struct of_device_id __devinitdata mpc5xxx_can_table[] = {
{.compatible = "fsl,mpc5200-mscan"},
{.compatible = "fsl,mpc5200b-mscan"},
{},
};