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ARM: u300: probe the U300 dummy-spichip from device tree

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This probes the U300 dummy-spichip from the device tree
and adds the apropriate node to the tree.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2013-04-21 21:39:46 +02:00
parent cf4af8670b
commit 20d4af6830
2 changed files with 11 additions and 0 deletions
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5
arch/arm/boot/dts/ste-u300.dts
View file

@ -233,6 +233,11 @@ spi: ssp@c0006000 {
num-cs = <3>;
#address-cells = <1>;
#size-cells = <0>;
spi-dummy@1 {
compatible = "arm,pl022-dummy";
reg = <1>;
spi-max-frequency = <20000000>;
};
};
};
};

6
arch/arm/mach-u300/dummyspichip.c
View file

@ -263,10 +263,16 @@ static int pl022_dummy_remove(struct spi_device *spi)
return 0;
}
static const struct of_device_id pl022_dummy_dt_match[] = {
{ .compatible = "arm,pl022-dummy" },
{},
};
static struct spi_driver pl022_dummy_driver = {
.driver = {
.name = "spi-dummy",
.owner = THIS_MODULE,
.of_match_table = pl022_dummy_dt_match,
},
.probe = pl022_dummy_probe,
.remove = pl022_dummy_remove,