From: Ajay Kumar <ajaykumar.rs@xxxxxxxxxxx>
This patch adds OHCI device from device tree for exynos5
and adds platform data.
Signed-off-by: Ajay Kumar <ajaykumar.rs@xxxxxxxxxxx>
Signed-off-by: Vivek Gautam <gautam.vivek@xxxxxxxxxxx>
---
.../devicetree/bindings/usb/exynos-usb.txt | 19 +++++++++++++++++++
arch/arm/boot/dts/exynos5250.dtsi | 6 ++++++
arch/arm/mach-exynos/mach-exynos5-dt.c | 9 +++++++++
3 files changed, 34 insertions(+), 0 deletions(-)
create mode 100644 Documentation/devicetree/bindings/usb/exynos-usb.txt
diff --git a/Documentation/devicetree/bindings/usb/exynos-usb.txt b/Documentation/devicetree/bindings/usb/exynos-usb.txt
new file mode 100644
index 0000000..63b80b9
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/exynos-usb.txt
@@ -0,0 +1,19 @@
+Samsung Exynos SoC USB controller
+
+The device node for USB controller for Samsung SOC have
+following properties
+
+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.
+ - interrupts: interrupt number to the cpu.
+
+ohci {
+ 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 a3a2eb2..3c73d15 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -58,6 +58,12 @@
interrupts = <0 42 0>;
};
+ ohci {
+ compatible = "samsung,exynos-ohci";
+ reg = <0x12120000 0x100>;
+ interrupts = <0 71 0>;
+ };
+
rtc {
compatible = "samsung,s3c6410-rtc";
reg = <0x101E0000 0x100>;
diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-exynos/mach-exynos5-dt.c
index ef770bc..39a4b34 100644
--- a/arch/arm/mach-exynos/mach-exynos5-dt.c
+++ b/arch/arm/mach-exynos/mach-exynos5-dt.c
@@ -15,12 +15,19 @@
#include <asm/mach/arch.h>
#include <asm/hardware/gic.h>
#include <mach/map.h>
+#include <mach/ohci.h>
#include <plat/cpu.h>
#include <plat/regs-serial.h>
+#include <plat/usb-phy.h>
#include "common.h"
+static struct exynos4_ohci_platdata smdk5250_ohci_pdata = {
+ .phy_init = s5p_usb_phy_init,
+ .phy_exit = s5p_usb_phy_exit,
+};
+
/*
* The following lookup table is used to override device names when devices
* are registered from device tree. This is temporarily added to enable
@@ -56,6 +63,8 @@ static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = {
OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_PDMA0, "dma-pl330.0", NULL),
OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_PDMA1, "dma-pl330.1", NULL),
OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_MDMA1, "dma-pl330.2", NULL),
+ OF_DEV_AUXDATA("samsung,exynos-ohci", 0x12120000,
+ "exynos-ohci", &smdk5250_ohci_pdata),
{},
};
--
1.7.0.4
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