[PATCH v5 0/6] Make dwc3 use Generic PHY Framework

Roger Quadros rogerq at ti.com
Mon Mar 3 07:21:36 EST 2014


Hi Kishon,

Which tree are these patches based on?

cheers,
-roger

On 03/03/2014 01:38 PM, Kishon Vijay Abraham I wrote:
> Added support for optional PHY in dwc3 as not all SoCs having PHYs for DWC3
> should be programmed. While this can be considered as a temporary fix,
> a long term solution would be to add 'nop' PHY for platforms that does
> not have programmable PHY.
> Adapted DWC3 and USB3 PHY to use Generic PHY framework. Also changed the
> name of USB3 PHY driver to PIPE3 PHY driver since the same driver has to
> be used for SATA and PCIE too.
> 
> Changes from v4: (sending the entire patch series again)
> * check the return values of phy_init and phy_power_on
> * print errors if power_on or power_off of PHY fails.
> 
> Changes from v3: (Sent only adapt dwc3 core to use Generic PHY Framework) 
> * avoided using quirks and rely on the return values of PHY APIs to find the
> presence of PHY.
> 
> Changes from v2:
> * added a couple of fixes. One is invoking phy_resume after phy_init and the
> other is power off phy in error patch
> * used quirks to identify if a particular platform does not have PHYs
> * removed using separate header for pipe3 driver and also removed all referencs
> to SATA and PCIe in pipe3 driver since it's not yet adapted for those drivers.
> 
> Changes from v1:
> * The logic in which the driver detects the presence of PHYs has changed.
> * patch ordering has changed
> * udelay is replaced with usleep_range
> * A patch to remove set_suspend callback which was deferred from Generic
> PHY Framework series has been included.
> 
> Kishon Vijay Abraham I (6):
>   usb: dwc3: core: support optional PHYs
>   usb: dwc3: adapt dwc3 core to use Generic PHY Framework
>   drivers: phy: usb3/pipe3: Adapt pipe3 driver to Generic PHY Framework
>   usb: phy: omap-usb2: remove *set_suspend* callback from omap-usb2
>   phy: omap-usb2: move omap_usb.h from linux/usb/ to linux/phy/
>   arm/dts: added dt properties to adapt to the new phy framwork
> 
>  Documentation/devicetree/bindings/usb/dwc3.txt     |    6 +-
>  arch/arm/boot/dts/omap5.dtsi                       |    5 +-
>  drivers/phy/Kconfig                                |   11 +
>  drivers/phy/Makefile                               |    1 +
>  drivers/phy/phy-omap-usb2.c                        |   27 +--
>  .../phy/phy-omap-usb3.c => phy/phy-ti-pipe3.c}     |  240 ++++++++++++--------
>  drivers/usb/dwc3/core.c                            |  116 +++++++---
>  drivers/usb/dwc3/core.h                            |    7 +
>  drivers/usb/phy/Kconfig                            |   11 -
>  drivers/usb/phy/Makefile                           |    1 -
>  include/linux/{usb => phy}/omap_usb.h              |    3 -
>  11 files changed, 264 insertions(+), 164 deletions(-)
>  rename drivers/{usb/phy/phy-omap-usb3.c => phy/phy-ti-pipe3.c} (54%)
>  rename include/linux/{usb => phy}/omap_usb.h (95%)
> 




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