ARM: dts: Enabling ohci-exynos driver for EXYNOS5250

Adding OHCI device tree node for Exynos5250 along with
the device base address.

Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

diff --git a/Documentation/devicetree/bindings/usb/exynos-usb.txt b/Documentation/devicetree/bindings/usb/exynos-usb.txt
index e8bbb47..f66fcdd 100644 (file)
--- a/Documentation/devicetree/bindings/usb/exynos-usb.txt
+++ b/Documentation/devicetree/bindings/usb/exynos-usb.txt
@@ -23,3 +23,18 @@ Example:
                interrupts = <0 71 0>;
                samsung,vbus-gpio = <&gpx2 6 1 3 3>;
        };
+
+OHCI
+Required properties:
+ - compatible: should be "samsung,exynos4210-ohci" for USB 2.0
+   OHCI companion controller in host mode.
+ - reg: physical base address of the controller and length of memory mapped
+   region.
+ - interrupts: interrupt number to the cpu.
+
+Example:
+       usb@12120000 {
+               compatible = "samsung,exynos4210-ohci";
+               reg = <0x12120000 0x100>;
+               interrupts = <0 71 0>;
+       };

diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index 5f1c1f3..64101f1 100644 (file)
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -307,6 +307,12 @@
                interrupts = <0 71 0>;
        };
 
+       usb@12120000 {
+               compatible = "samsung,exynos4210-ohci";
+               reg = <0x12120000 0x100>;
+               interrupts = <0 71 0>;
+       };
+
        amba {
                #address-cells = <1>;
                #size-cells = <1>;