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[3/8,v2] ARM: EXYNOS5: Add OHCI device from device tree

Message ID 1342866729-30460-4-git-send-email-gautam.vivek@samsung.com (mailing list archive)
State New, archived
Headers show

Commit Message

Vivek Gautam July 21, 2012, 10:32 a.m. UTC 
From: Ajay Kumar <ajaykumar.rs@samsung.com>

This patch adds OHCI device from device tree for exynos5
and adds platform data.

Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
---
 .../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 mbox

Patch

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),
 	{},
 };