[RESEND PATCH v9 0/2] usb: phy: samsung: Introducing usb phy driver for samsung SoCs

Tomasz Figa t.figa at samsung.com
Mon Jan 21 09:23:23 EST 2013


On Friday 18 of January 2013 14:30:21 Praveen Paneri wrote:
> Changes from v8:
> Resending this patch series after rebasing to the latest usb-next
> branch. Rewording inline comments for better readability.
> Removed IS_ENABLED(CONFIG_OF) as pdev->dev.of_node is enough to check
> for dt support. Using of_match_ptr to add of_match_table to
> platform_driver structure. Removed unnecessary variables.
> 
> Changes from v7:
> Rebased to the latest usb-next branch.
> Separating arch patches from these driver patches.
> 
> Changes from v6:
> Modified register definitions according to the existing ones.
> Changed default PHY clk selection for SoCs.
> Improved binding text and rebased to the latest usb-next.
> 
> Changes from v5:
> Moved clk_get() to driver's probe function. Now reference clock
> frequency selection value is stored in samsung_usbphy structure for
> later use. Used IS_ENABLED() instead of #ifdef in
> samsung_usbphy_get_driver_data().
> 
> Changes from v4:
> Moved header file contents to driver's source file
> Removed unnecessary print message from driver's probe function
> Dropped the Free Software Foundation address from the header
> 
> Changes from v3:
> Replaced susbsys_initcall()/module_exit() by module_platform_driver().
> Accordingly in the hsotg driver returned -EPROBE_DEFER until phy driver
> is registered
> Removed unnecessary devm_usb_put_phy() call from the hsotg driver
> remove.
> 
> Changes from v2:
> Changed the driver filenames to samsung-usbphy
> Rectified coding style related errors
> 
> Changes from v1:
> Rebased patches to latest usb-next branch
> Changed the name 'sec_usbphy' to 'samsung_usbphy'
> 
> This patch set introduces a phy driver for samsung SoCs. It uses the
> existing transceiver infrastructure to provide phy control functions.
> Use of this driver can be extended for usb host phy as well. Over the
> period of time all the phy related code for most of the samsung SoCs
> can be integrated here. Removing the existing phy code from
> mach-s3c64xx. Same can be done for other SoCs when they start
> supporting this phy driver.
> This driver is tested with smdk6410 and Exynos4210(with DT).
> 
> Praveen Paneri (2):
>   usb: phy: samsung: Introducing usb phy driver for hsotg
>   usb: s3c-hsotg: Adding phy driver support
> 
>  .../devicetree/bindings/usb/samsung-usbphy.txt     |   11 +
>  drivers/usb/gadget/s3c-hsotg.c                     |   37 ++-
>  drivers/usb/phy/Kconfig                            |    8 +
>  drivers/usb/phy/Makefile                           |    1 +
>  drivers/usb/phy/samsung-usbphy.c                   |  354
> ++++++++++++++++++++ include/linux/platform_data/samsung-usbphy.h      
> |   27 ++
>  6 files changed, 428 insertions(+), 10 deletions(-)
>  create mode 100644
> Documentation/devicetree/bindings/usb/samsung-usbphy.txt create mode
> 100644 drivers/usb/phy/samsung-usbphy.c
>  create mode 100644 include/linux/platform_data/samsung-usbphy.h
> 
> --
> To unsubscribe from this list: send the line "unsubscribe
> linux-samsung-soc" in the body of a message to
> majordomo at vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html

Tested on Exynos4210-Trats.

Tested-by: Tomasz Figa <t.figa at samsung.com>

I also have patches for Exynos 4x12, which I will send once this series 
and generic PMU isolation setting patches get merged.

Best regards,
-- 
Tomasz Figa
Samsung Poland R&D Center
SW Solution Development, Linux Platform




More information about the linux-arm-kernel mailing list