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authorLinus Walleij2013-04-11 15:13:39 +0200
committerLinus Walleij2013-05-31 11:25:52 +0200
commitc023b8b295ff71df223746e6d9fd0e56cfe72846 (patch)
tree46639a082a24f684acecb68ad2f4bbe49585c2a2
parenti2c: stu300: device tree support (diff)
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ARM: u300: register I2C bus drivers from device tree
This adds the two I2C busses to the device tree so these probe properly. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
-rw-r--r--arch/arm/boot/dts/ste-u300.dts18
-rw-r--r--arch/arm/mach-u300/core.c4
2 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/ste-u300.dts b/arch/arm/boot/dts/ste-u300.dts
index 9e423eb5aa0a..67a1b52401f4 100644
--- a/arch/arm/boot/dts/ste-u300.dts
+++ b/arch/arm/boot/dts/ste-u300.dts
@@ -49,6 +49,24 @@
reg = <0xc0011000 0x1000>;
};
+ i2c0: i2c@c0004000 {
+ compatible = "st,ddci2c";
+ reg = <0xc0004000 0x1000>;
+ interrupt-parent = <&vicb>;
+ interrupts = <8>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ i2c1: i2c@c0005000 {
+ compatible = "st,ddci2c";
+ reg = <0xc0005000 0x1000>;
+ interrupt-parent = <&vicb>;
+ interrupts = <9>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
amba {
compatible = "arm,amba-bus";
#address-cells = <1>;
diff --git a/arch/arm/mach-u300/core.c b/arch/arm/mach-u300/core.c
index a210b1c4ccf4..abe97041128a 100644
--- a/arch/arm/mach-u300/core.c
+++ b/arch/arm/mach-u300/core.c
@@ -714,6 +714,10 @@ static struct of_dev_auxdata u300_auxdata_lookup[] __initdata = {
"uart0", &uart0_plat_data),
OF_DEV_AUXDATA("arm,primecell", U300_UART1_BASE,
"uart1", &uart1_plat_data),
+ OF_DEV_AUXDATA("st,ddci2c", U300_I2C0_BASE,
+ "stu300.0", NULL),
+ OF_DEV_AUXDATA("st,ddci2c", U300_I2C1_BASE,
+ "stu300.1", NULL),
OF_DEV_AUXDATA("arm,primecell", U300_MMCSD_BASE,
"mmci", &mmcsd_platform_data),
{ /* sentinel */ },