Re: [PATCH v4 1/5] usb: phy: samsung: Introducing usb phy driver for hsotg
On Fri, Aug 10, 2012 at 12:49 PM, ABRAHAM, KISHON VIJAY wrote: > Hi, > > On Fri, Aug 10, 2012 at 12:40 PM, Praveen Paneri wrote: >> This driver uses usb_phy interface to interact with s3c-hsotg. Supports >> phy_init and phy_shutdown functions to enable/disable phy. Tested with >> smdk6410 and smdkv310. More SoCs can be brought under later. >> >> Signed-off-by: Praveen Paneri >> Acked-by: Heiko Stuebner >> --- >> .../devicetree/bindings/usb/samsung-usbphy.txt |9 + >> drivers/usb/phy/Kconfig|8 + >> drivers/usb/phy/Makefile |1 + >> drivers/usb/phy/samsung-usbphy.c | 345 >> >> drivers/usb/phy/samsung-usbphy.h | 48 +++ >> include/linux/platform_data/samsung-usbphy.h | 27 ++ >> 6 files changed, 438 insertions(+), 0 deletions(-) >> create mode 100644 Documentation/devicetree/bindings/usb/samsung-usbphy.txt >> create mode 100644 drivers/usb/phy/samsung-usbphy.c >> create mode 100644 drivers/usb/phy/samsung-usbphy.h >> create mode 100644 include/linux/platform_data/samsung-usbphy.h >> >> diff --git a/Documentation/devicetree/bindings/usb/samsung-usbphy.txt >> b/Documentation/devicetree/bindings/usb/samsung-usbphy.txt >> new file mode 100644 >> index 000..fefd9c8 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/usb/samsung-usbphy.txt >> @@ -0,0 +1,9 @@ >> +* Samsung's usb phy transceiver >> + >> +The Samsung's phy transceiver is used for controlling usb otg phy for >> +s3c-hsotg usb device controller. >> + >> +Required properties: >> +- compatible : should be "samsung,exynos4210-usbphy" >> +- reg : base physical address of the phy registers and length of memory >> mapped >> + region. >> diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig >> index e7cf84f..d916477 100644 >> --- a/drivers/usb/phy/Kconfig >> +++ b/drivers/usb/phy/Kconfig >> @@ -15,3 +15,11 @@ config USB_ISP1301 >> >> To compile this driver as a module, choose M here: the >> module will be called isp1301. >> + >> +config SAMSUNG_USBPHY >> + bool "Samsung USB PHY controller Driver" >> + depends on USB_S3C_HSOTG >> + select USB_OTG_UTILS >> + help >> + Enable this to support Samsung USB phy controller for samsung >> + SoCs. >> diff --git a/drivers/usb/phy/Makefile b/drivers/usb/phy/Makefile >> index eca095b..dfca70d 100644 >> --- a/drivers/usb/phy/Makefile >> +++ b/drivers/usb/phy/Makefile >> @@ -5,3 +5,4 @@ >> ccflags-$(CONFIG_USB_DEBUG) := -DDEBUG >> >> obj-$(CONFIG_USB_ISP1301) += isp1301.o >> +obj-$(CONFIG_SAMSUNG_USBPHY) += samsung-usbphy.o >> diff --git a/drivers/usb/phy/samsung-usbphy.c >> b/drivers/usb/phy/samsung-usbphy.c >> new file mode 100644 >> index 000..739b6c9 >> --- /dev/null >> +++ b/drivers/usb/phy/samsung-usbphy.c >> @@ -0,0 +1,345 @@ >> +/* linux/drivers/usb/phy/samsung-usbphy.c >> + * >> + * Copyright (c) 2012 Samsung Electronics Co., Ltd. >> + * http://www.samsung.com >> + * >> + * Author: Praveen Paneri >> + * >> + * Samsung USB2.0 High-speed OTG transceiver, talks to S3C HS OTG controller >> + * >> + * This program is free software; you can redistribute it and/or modify >> + * it under the terms of the GNU General Public License version 2 as >> + * published by the Free Software Foundation. >> + * >> + * This program is distributed in the hope that it will be useful, >> + * but WITHOUT ANY WARRANTY; without even the implied warranty of >> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the >> + * GNU General Public License for more details. >> + * >> + * You should have received a copy of the GNU General Public License >> + * along with this program; if not, write to the Free Software >> + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. > > I suggest you drop that last paragraph unless you want to keep track > of Free Software Foundation office. Right now it is 51 Franklin > Street, Boston (http://www.fsf.org/about/contact/) :-) Yeah! it can be dropped :-) Praveen > > -Kishon > -- > To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" > in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [PATCH v4 1/5] usb: phy: samsung: Introducing usb phy driver for hsotg
Hi, On Fri, Aug 10, 2012 at 12:40 PM, Praveen Paneri wrote: > This driver uses usb_phy interface to interact with s3c-hsotg. Supports > phy_init and phy_shutdown functions to enable/disable phy. Tested with > smdk6410 and smdkv310. More SoCs can be brought under later. > > Signed-off-by: Praveen Paneri > Acked-by: Heiko Stuebner > --- > .../devicetree/bindings/usb/samsung-usbphy.txt |9 + > drivers/usb/phy/Kconfig|8 + > drivers/usb/phy/Makefile |1 + > drivers/usb/phy/samsung-usbphy.c | 345 > > drivers/usb/phy/samsung-usbphy.h | 48 +++ > include/linux/platform_data/samsung-usbphy.h | 27 ++ > 6 files changed, 438 insertions(+), 0 deletions(-) > create mode 100644 Documentation/devicetree/bindings/usb/samsung-usbphy.txt > create mode 100644 drivers/usb/phy/samsung-usbphy.c > create mode 100644 drivers/usb/phy/samsung-usbphy.h > create mode 100644 include/linux/platform_data/samsung-usbphy.h > > diff --git a/Documentation/devicetree/bindings/usb/samsung-usbphy.txt > b/Documentation/devicetree/bindings/usb/samsung-usbphy.txt > new file mode 100644 > index 000..fefd9c8 > --- /dev/null > +++ b/Documentation/devicetree/bindings/usb/samsung-usbphy.txt > @@ -0,0 +1,9 @@ > +* Samsung's usb phy transceiver > + > +The Samsung's phy transceiver is used for controlling usb otg phy for > +s3c-hsotg usb device controller. > + > +Required properties: > +- compatible : should be "samsung,exynos4210-usbphy" > +- reg : base physical address of the phy registers and length of memory > mapped > + region. > diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig > index e7cf84f..d916477 100644 > --- a/drivers/usb/phy/Kconfig > +++ b/drivers/usb/phy/Kconfig > @@ -15,3 +15,11 @@ config USB_ISP1301 > > To compile this driver as a module, choose M here: the > module will be called isp1301. > + > +config SAMSUNG_USBPHY > + bool "Samsung USB PHY controller Driver" > + depends on USB_S3C_HSOTG > + select USB_OTG_UTILS > + help > + Enable this to support Samsung USB phy controller for samsung > + SoCs. > diff --git a/drivers/usb/phy/Makefile b/drivers/usb/phy/Makefile > index eca095b..dfca70d 100644 > --- a/drivers/usb/phy/Makefile > +++ b/drivers/usb/phy/Makefile > @@ -5,3 +5,4 @@ > ccflags-$(CONFIG_USB_DEBUG) := -DDEBUG > > obj-$(CONFIG_USB_ISP1301) += isp1301.o > +obj-$(CONFIG_SAMSUNG_USBPHY) += samsung-usbphy.o > diff --git a/drivers/usb/phy/samsung-usbphy.c > b/drivers/usb/phy/samsung-usbphy.c > new file mode 100644 > index 000..739b6c9 > --- /dev/null > +++ b/drivers/usb/phy/samsung-usbphy.c > @@ -0,0 +1,345 @@ > +/* linux/drivers/usb/phy/samsung-usbphy.c > + * > + * Copyright (c) 2012 Samsung Electronics Co., Ltd. > + * http://www.samsung.com > + * > + * Author: Praveen Paneri > + * > + * Samsung USB2.0 High-speed OTG transceiver, talks to S3C HS OTG controller > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License version 2 as > + * published by the Free Software Foundation. > + * > + * This program is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + * > + * You should have received a copy of the GNU General Public License > + * along with this program; if not, write to the Free Software > + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. I suggest you drop that last paragraph unless you want to keep track of Free Software Foundation office. Right now it is 51 Franklin Street, Boston (http://www.fsf.org/about/contact/) :-) -Kishon -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [PATCH v4 1/5] usb: phy: samsung: Introducing usb phy driver for hsotg
On Fri, Aug 10, 2012 at 12:34 PM, Felipe Balbi wrote:
> Hi,
>
> On Fri, Aug 10, 2012 at 12:40:27PM +0530, Praveen Paneri wrote:
>> This driver uses usb_phy interface to interact with s3c-hsotg. Supports
>> phy_init and phy_shutdown functions to enable/disable phy. Tested with
>> smdk6410 and smdkv310. More SoCs can be brought under later.
>>
>> Signed-off-by: Praveen Paneri
>> Acked-by: Heiko Stuebner
>
> this looks good. Just 2 comments below.
>
>> ---
>> .../devicetree/bindings/usb/samsung-usbphy.txt |9 +
>> drivers/usb/phy/Kconfig|8 +
>> drivers/usb/phy/Makefile |1 +
>> drivers/usb/phy/samsung-usbphy.c | 345
>>
>> drivers/usb/phy/samsung-usbphy.h | 48 +++
>> include/linux/platform_data/samsung-usbphy.h | 27 ++
>> 6 files changed, 438 insertions(+), 0 deletions(-)
>> create mode 100644 Documentation/devicetree/bindings/usb/samsung-usbphy.txt
>> create mode 100644 drivers/usb/phy/samsung-usbphy.c
>> create mode 100644 drivers/usb/phy/samsung-usbphy.h
>> create mode 100644 include/linux/platform_data/samsung-usbphy.h
>>
>> diff --git a/Documentation/devicetree/bindings/usb/samsung-usbphy.txt
>> b/Documentation/devicetree/bindings/usb/samsung-usbphy.txt
>> new file mode 100644
>> index 000..fefd9c8
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/usb/samsung-usbphy.txt
>> @@ -0,0 +1,9 @@
>> +* Samsung's usb phy transceiver
>> +
>> +The Samsung's phy transceiver is used for controlling usb otg phy for
>> +s3c-hsotg usb device controller.
>> +
>> +Required properties:
>> +- compatible : should be "samsung,exynos4210-usbphy"
>> +- reg : base physical address of the phy registers and length of memory
>> mapped
>> + region.
>> diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig
>> index e7cf84f..d916477 100644
>> --- a/drivers/usb/phy/Kconfig
>> +++ b/drivers/usb/phy/Kconfig
>> @@ -15,3 +15,11 @@ config USB_ISP1301
>>
>> To compile this driver as a module, choose M here: the
>> module will be called isp1301.
>> +
>> +config SAMSUNG_USBPHY
>> + bool "Samsung USB PHY controller Driver"
>> + depends on USB_S3C_HSOTG
>> + select USB_OTG_UTILS
>> + help
>> + Enable this to support Samsung USB phy controller for samsung
>> + SoCs.
>> diff --git a/drivers/usb/phy/Makefile b/drivers/usb/phy/Makefile
>> index eca095b..dfca70d 100644
>> --- a/drivers/usb/phy/Makefile
>> +++ b/drivers/usb/phy/Makefile
>> @@ -5,3 +5,4 @@
>> ccflags-$(CONFIG_USB_DEBUG) := -DDEBUG
>>
>> obj-$(CONFIG_USB_ISP1301)+= isp1301.o
>> +obj-$(CONFIG_SAMSUNG_USBPHY) += samsung-usbphy.o
>> diff --git a/drivers/usb/phy/samsung-usbphy.c
>> b/drivers/usb/phy/samsung-usbphy.c
>> new file mode 100644
>> index 000..739b6c9
>> --- /dev/null
>> +++ b/drivers/usb/phy/samsung-usbphy.c
>> @@ -0,0 +1,345 @@
>> +/* linux/drivers/usb/phy/samsung-usbphy.c
>> + *
>> + * Copyright (c) 2012 Samsung Electronics Co., Ltd.
>> + * http://www.samsung.com
>> + *
>> + * Author: Praveen Paneri
>> + *
>> + * Samsung USB2.0 High-speed OTG transceiver, talks to S3C HS OTG controller
>> + *
>> + * This program is free software; you can redistribute it and/or modify
>> + * it under the terms of the GNU General Public License version 2 as
>> + * published by the Free Software Foundation.
>> + *
>> + * This program is distributed in the hope that it will be useful,
>> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
>> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
>> + * GNU General Public License for more details.
>> + *
>> + * You should have received a copy of the GNU General Public License
>> + * along with this program; if not, write to the Free Software
>> + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
>> +*/
>> +
>> +#include
>> +#include
>> +#include
>> +#include
>> +#include
>> +#include
>> +#include
>> +#include
>> +#include
>> +
>> +#include "samsung-usbphy.h"
>> +
>> +enum samsung_cpu_type {
>> + TYPE_S3C64XX,
>> + TYPE_EXYNOS4210,
>> +};
>> +
>> +/*
>> + * struct samsung_usbphy - transceiver driver state
>> + * @phy: transceiver structure
>> + * @plat: platform data
>> + * @dev: The parent device supplied to the probe function
>> + * @clk: usb phy clock
>> + * @regs: usb phy register memory base
>> + * @cpu_type: machine identifier
>> + */
>> +struct samsung_usbphy {
>> + struct usb_phy phy;
>> + struct samsung_usbphy_data *plat;
>> + struct device *dev;
>> + struct clk *clk;
>> + void __iomem*regs;
>> + int cpu_type;
>> +};
>> +
>> +#define phy_to_sphy(x) container_of((x), struct
>> samsung_usbphy, phy)
>> +
>> +/*
>> + * Enables or disables the phy clock
>> + * returns 0 on success else the error
>> + */
>> +static int samsung_usbphy_clk_control(struct samsung_usb
Re: [PATCH v4 1/5] usb: phy: samsung: Introducing usb phy driver for hsotg
Hi,
On Fri, Aug 10, 2012 at 12:40:27PM +0530, Praveen Paneri wrote:
> This driver uses usb_phy interface to interact with s3c-hsotg. Supports
> phy_init and phy_shutdown functions to enable/disable phy. Tested with
> smdk6410 and smdkv310. More SoCs can be brought under later.
>
> Signed-off-by: Praveen Paneri
> Acked-by: Heiko Stuebner
this looks good. Just 2 comments below.
> ---
> .../devicetree/bindings/usb/samsung-usbphy.txt |9 +
> drivers/usb/phy/Kconfig|8 +
> drivers/usb/phy/Makefile |1 +
> drivers/usb/phy/samsung-usbphy.c | 345
>
> drivers/usb/phy/samsung-usbphy.h | 48 +++
> include/linux/platform_data/samsung-usbphy.h | 27 ++
> 6 files changed, 438 insertions(+), 0 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/usb/samsung-usbphy.txt
> create mode 100644 drivers/usb/phy/samsung-usbphy.c
> create mode 100644 drivers/usb/phy/samsung-usbphy.h
> create mode 100644 include/linux/platform_data/samsung-usbphy.h
>
> diff --git a/Documentation/devicetree/bindings/usb/samsung-usbphy.txt
> b/Documentation/devicetree/bindings/usb/samsung-usbphy.txt
> new file mode 100644
> index 000..fefd9c8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/usb/samsung-usbphy.txt
> @@ -0,0 +1,9 @@
> +* Samsung's usb phy transceiver
> +
> +The Samsung's phy transceiver is used for controlling usb otg phy for
> +s3c-hsotg usb device controller.
> +
> +Required properties:
> +- compatible : should be "samsung,exynos4210-usbphy"
> +- reg : base physical address of the phy registers and length of memory
> mapped
> + region.
> diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig
> index e7cf84f..d916477 100644
> --- a/drivers/usb/phy/Kconfig
> +++ b/drivers/usb/phy/Kconfig
> @@ -15,3 +15,11 @@ config USB_ISP1301
>
> To compile this driver as a module, choose M here: the
> module will be called isp1301.
> +
> +config SAMSUNG_USBPHY
> + bool "Samsung USB PHY controller Driver"
> + depends on USB_S3C_HSOTG
> + select USB_OTG_UTILS
> + help
> + Enable this to support Samsung USB phy controller for samsung
> + SoCs.
> diff --git a/drivers/usb/phy/Makefile b/drivers/usb/phy/Makefile
> index eca095b..dfca70d 100644
> --- a/drivers/usb/phy/Makefile
> +++ b/drivers/usb/phy/Makefile
> @@ -5,3 +5,4 @@
> ccflags-$(CONFIG_USB_DEBUG) := -DDEBUG
>
> obj-$(CONFIG_USB_ISP1301)+= isp1301.o
> +obj-$(CONFIG_SAMSUNG_USBPHY) += samsung-usbphy.o
> diff --git a/drivers/usb/phy/samsung-usbphy.c
> b/drivers/usb/phy/samsung-usbphy.c
> new file mode 100644
> index 000..739b6c9
> --- /dev/null
> +++ b/drivers/usb/phy/samsung-usbphy.c
> @@ -0,0 +1,345 @@
> +/* linux/drivers/usb/phy/samsung-usbphy.c
> + *
> + * Copyright (c) 2012 Samsung Electronics Co., Ltd.
> + * http://www.samsung.com
> + *
> + * Author: Praveen Paneri
> + *
> + * Samsung USB2.0 High-speed OTG transceiver, talks to S3C HS OTG controller
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
> +*/
> +
> +#include
> +#include
> +#include
> +#include
> +#include
> +#include
> +#include
> +#include
> +#include
> +
> +#include "samsung-usbphy.h"
> +
> +enum samsung_cpu_type {
> + TYPE_S3C64XX,
> + TYPE_EXYNOS4210,
> +};
> +
> +/*
> + * struct samsung_usbphy - transceiver driver state
> + * @phy: transceiver structure
> + * @plat: platform data
> + * @dev: The parent device supplied to the probe function
> + * @clk: usb phy clock
> + * @regs: usb phy register memory base
> + * @cpu_type: machine identifier
> + */
> +struct samsung_usbphy {
> + struct usb_phy phy;
> + struct samsung_usbphy_data *plat;
> + struct device *dev;
> + struct clk *clk;
> + void __iomem*regs;
> + int cpu_type;
> +};
> +
> +#define phy_to_sphy(x) container_of((x), struct
> samsung_usbphy, phy)
> +
> +/*
> + * Enables or disables the phy clock
> + * returns 0 on success else the error
> + */
> +static int samsung_usbphy_clk_control(struct samsung_usbphy *sphy, bool on)
> +{
> + if (on) {
> + if (!sphy->clk) {
> + sphy->clk = clk_get(sphy->dev, "otg");
> + if (IS_ERR(sphy->clk)) {
> +
[PATCH v4 1/5] usb: phy: samsung: Introducing usb phy driver for hsotg
This driver uses usb_phy interface to interact with s3c-hsotg. Supports
phy_init and phy_shutdown functions to enable/disable phy. Tested with
smdk6410 and smdkv310. More SoCs can be brought under later.
Signed-off-by: Praveen Paneri
Acked-by: Heiko Stuebner
---
.../devicetree/bindings/usb/samsung-usbphy.txt |9 +
drivers/usb/phy/Kconfig|8 +
drivers/usb/phy/Makefile |1 +
drivers/usb/phy/samsung-usbphy.c | 345
drivers/usb/phy/samsung-usbphy.h | 48 +++
include/linux/platform_data/samsung-usbphy.h | 27 ++
6 files changed, 438 insertions(+), 0 deletions(-)
create mode 100644 Documentation/devicetree/bindings/usb/samsung-usbphy.txt
create mode 100644 drivers/usb/phy/samsung-usbphy.c
create mode 100644 drivers/usb/phy/samsung-usbphy.h
create mode 100644 include/linux/platform_data/samsung-usbphy.h
diff --git a/Documentation/devicetree/bindings/usb/samsung-usbphy.txt
b/Documentation/devicetree/bindings/usb/samsung-usbphy.txt
new file mode 100644
index 000..fefd9c8
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/samsung-usbphy.txt
@@ -0,0 +1,9 @@
+* Samsung's usb phy transceiver
+
+The Samsung's phy transceiver is used for controlling usb otg phy for
+s3c-hsotg usb device controller.
+
+Required properties:
+- compatible : should be "samsung,exynos4210-usbphy"
+- reg : base physical address of the phy registers and length of memory mapped
+ region.
diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig
index e7cf84f..d916477 100644
--- a/drivers/usb/phy/Kconfig
+++ b/drivers/usb/phy/Kconfig
@@ -15,3 +15,11 @@ config USB_ISP1301
To compile this driver as a module, choose M here: the
module will be called isp1301.
+
+config SAMSUNG_USBPHY
+ bool "Samsung USB PHY controller Driver"
+ depends on USB_S3C_HSOTG
+ select USB_OTG_UTILS
+ help
+ Enable this to support Samsung USB phy controller for samsung
+ SoCs.
diff --git a/drivers/usb/phy/Makefile b/drivers/usb/phy/Makefile
index eca095b..dfca70d 100644
--- a/drivers/usb/phy/Makefile
+++ b/drivers/usb/phy/Makefile
@@ -5,3 +5,4 @@
ccflags-$(CONFIG_USB_DEBUG) := -DDEBUG
obj-$(CONFIG_USB_ISP1301) += isp1301.o
+obj-$(CONFIG_SAMSUNG_USBPHY) += samsung-usbphy.o
diff --git a/drivers/usb/phy/samsung-usbphy.c b/drivers/usb/phy/samsung-usbphy.c
new file mode 100644
index 000..739b6c9
--- /dev/null
+++ b/drivers/usb/phy/samsung-usbphy.c
@@ -0,0 +1,345 @@
+/* linux/drivers/usb/phy/samsung-usbphy.c
+ *
+ * Copyright (c) 2012 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * Author: Praveen Paneri
+ *
+ * Samsung USB2.0 High-speed OTG transceiver, talks to S3C HS OTG controller
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+
+#include "samsung-usbphy.h"
+
+enum samsung_cpu_type {
+ TYPE_S3C64XX,
+ TYPE_EXYNOS4210,
+};
+
+/*
+ * struct samsung_usbphy - transceiver driver state
+ * @phy: transceiver structure
+ * @plat: platform data
+ * @dev: The parent device supplied to the probe function
+ * @clk: usb phy clock
+ * @regs: usb phy register memory base
+ * @cpu_type: machine identifier
+ */
+struct samsung_usbphy {
+ struct usb_phy phy;
+ struct samsung_usbphy_data *plat;
+ struct device *dev;
+ struct clk *clk;
+ void __iomem*regs;
+ int cpu_type;
+};
+
+#define phy_to_sphy(x) container_of((x), struct samsung_usbphy, phy)
+
+/*
+ * Enables or disables the phy clock
+ * returns 0 on success else the error
+ */
+static int samsung_usbphy_clk_control(struct samsung_usbphy *sphy, bool on)
+{
+ if (on) {
+ if (!sphy->clk) {
+ sphy->clk = clk_get(sphy->dev, "otg");
+ if (IS_ERR(sphy->clk)) {
+ dev_err(sphy->dev, "Failed to get otg clock\n");
+ return PTR_ERR(sphy->clk);
+ }
+ }
+ clk_enable(sphy->clk);
+ } else {
+ clk_disable(sphy->clk);
+ clk_put(sphy->clk);
+ }
+
+ return 0;
+}
+
+/*
+ * Returns refe
