From: Linus Walleij <linus.wall...@linaro.org>
This probes the U300 dummy-spichip from the device tree
and adds the apropriate node to the tree.
Signed-off-by: Linus Walleij <linus.wall...@linaro.org>
---
arch/arm/boot/dts/ste-u300.dts | 5 +++++
arch/arm/mach-u300/dummyspichip.c | 6 ++++++
2 files changed, 11 insertions(+)
diff --git a/arch/arm/boot/dts/ste-u300.dts b/arch/arm/boot/dts/ste-u300.dts
index 979d96c..9a163e1 100644
--- a/arch/arm/boot/dts/ste-u300.dts
+++ b/arch/arm/boot/dts/ste-u300.dts
@@ -220,6 +220,11 @@
reg = <0xc0006000 0x1000>;
interrupt-parent = <&vica>;
interrupts = <23>;
+ 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 @@ 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,
--
1.7.11.3
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