ARM: u300: probe the U300 dummy-spichip from device tree
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>
diff --git a/arch/arm/boot/dts/ste-u300.dts b/arch/arm/boot/dts/ste-u300.dts
index 355ac60..1b20769 100644
--- a/arch/arm/boot/dts/ste-u300.dts
+++ b/arch/arm/boot/dts/ste-u300.dts
@@ -233,6 +233,11 @@
num-cs = <3>;
#address-cells = <1>;
#size-cells = <0>;
+ spi-dummy@1 {
+ compatible = "arm,pl022-dummy";
+ reg = <1>;
+ spi-max-frequency = <20000000>;
+ };
};
};
};
diff --git a/arch/arm/mach-u300/dummyspichip.c b/arch/arm/mach-u300/dummyspichip.c
index 2785cb6..52962bf 100644
--- a/arch/arm/mach-u300/dummyspichip.c
+++ b/arch/arm/mach-u300/dummyspichip.c
@@ -263,10 +263,16 @@
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,