[PATCH v2 1/5] usb: phy: samsung: Introducing usb phy driver for hsotg

Praveen Paneri p.paneri at samsung.com
Tue Aug 7 06:05:43 EDT 2012


On Tue, Aug 7, 2012 at 1:41 PM, Heiko Stübner <heiko at sntech.de> wrote:
> Am Dienstag, 7. August 2012, 09:28:40 schrieb Praveen Paneri:
>> 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 <p.paneri at samsung.com>
>> ---
>>  .../devicetree/bindings/usb/samsung-usbphy.txt     |    9 +
>>  drivers/usb/phy/Kconfig                            |    8 +
>>  drivers/usb/phy/Makefile                           |    1 +
>>  drivers/usb/phy/samsung_usbphy.c                   |  355
>> ++++++++++++++++++++ drivers/usb/phy/samsung_usbphy.h                   |
>>  48 +++
>>  include/linux/platform_data/s3c-hsotg.h            |    5 +
>>  6 files changed, 426 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
>>
>
> [...]
>
>> diff --git a/include/linux/platform_data/s3c-hsotg.h
>> b/include/linux/platform_data/s3c-hsotg.h index 8b79e09..25ed31e 100644
>> --- a/include/linux/platform_data/s3c-hsotg.h
>> +++ b/include/linux/platform_data/s3c-hsotg.h
>> @@ -35,6 +35,11 @@ struct s3c_hsotg_plat {
>>       int (*phy_exit)(struct platform_device *pdev, int type);
>>  };
>>
>> +struct s3c_usbphy_plat {
>> +     void (*pmu_isolation)(int on);
>> +};
>> +
>>  extern void s3c_hsotg_set_platdata(struct s3c_hsotg_plat *pd);
>> +extern void s3c_usbphy_set_platdata(struct s3c_usbphy_plat *pd);
>>
>>  #endif /* __LINUX_USB_S3C_HSOTG_H */
>
> hmm, I'm not completely sure about this being in the s3c-hsotg header, as on
> s3c2443/2416/2450 it's the s3c-hsudc that will be (hopefully) using the phy in
> the future.
Okay then I will make a new header file for this. Not only hsudc, we
intent to use it for usb host phy as well so it's a valid point.

Praveen
>
>
> Heiko
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