[PATCH v2 2/2] ARM: Exynos5250: Enabling ohci-exynos driver

[Vivek Gautam]

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

Signed-off-by: Vivek Gautam <gautam.vivek at samsung.com>
Acked-by: Jingoo Han <jg1.han at samsung.com>
---
 .../devicetree/bindings/usb/exynos-usb.txt         |   15 +++++++++++++++
 arch/arm/boot/dts/exynos5250.dtsi                  |    6 ++++++
 arch/arm/mach-exynos/include/mach/map.h            |    1 +
 arch/arm/mach-exynos/mach-exynos5-dt.c             |    2 ++
 4 files changed, 24 insertions(+), 0 deletions(-)

diff --git a/Documentation/devicetree/bindings/usb/exynos-usb.txt b/Documentation/devicetree/bindings/usb/exynos-usb.txt
index 833f5cf..5ff3def1 100644
--- 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,exynos-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 at 12120000 {
+		compatible = "samsung,exynos-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 2995445..f18abe0 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -244,6 +244,12 @@
 		interrupts = <0 71 0>;
 	};
 
+	usb at 12120000 {
+		compatible = "samsung,exynos-ohci";
+		reg = <0x12120000 0x100>;
+		interrupts = <0 71 0>;
+	};
+
 	amba {
 		#address-cells = <1>;
 		#size-cells = <1>;
diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-exynos/include/mach/map.h
index 9a86b99..471ffaf 100644
--- a/arch/arm/mach-exynos/include/mach/map.h
+++ b/arch/arm/mach-exynos/include/mach/map.h
@@ -198,6 +198,7 @@
 #define EXYNOS4_PA_OHCI			0x12590000
 #define EXYNOS4_PA_HSPHY		0x125B0000
 #define EXYNOS5_PA_EHCI			0x12110000
+#define EXYNOS5_PA_OHCI			0x12120000
 #define EXYNOS4_PA_MFC			0x13400000
 
 #define EXYNOS4_PA_UART			0x13800000
diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-exynos/mach-exynos5-dt.c
index 89fa624..c03f3dd 100644
--- a/arch/arm/mach-exynos/mach-exynos5-dt.c
+++ b/arch/arm/mach-exynos/mach-exynos5-dt.c
@@ -88,6 +88,8 @@ static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = {
 				"exynos5-mixer", NULL),
 	OF_DEV_AUXDATA("samsung,exynos-ehci", EXYNOS5_PA_EHCI,
 				"s5p-ehci", NULL),
+	OF_DEV_AUXDATA("samsung,exynos-ohci", EXYNOS5_PA_OHCI,
+				"exynos-ohci", NULL),
 	{},
 };
 
-- 
1.7.6.5