[PATCH v6] extcon: Palmas Extcon Driver

Chanwoo Choi cw00.choi at samsung.com
Tue May 28 12:51:34 EST 2013


On 05/27/2013 10:33 PM, Kishon Vijay Abraham I wrote:
> From: Graeme Gregory <gg at slimlogic.co.uk>
>
> This is the driver for the USB comparator built into the palmas chip. It
> handles the various USB OTG events that can be generated by cable
> insertion/removal.
>
> Signed-off-by: Graeme Gregory <gg at slimlogic.co.uk>
> Signed-off-by: Moiz Sonasath <m-sonasath at ti.com>
> Signed-off-by: Ruchika Kharwar <ruchika at ti.com>
> Signed-off-by: Kishon Vijay Abraham I <kishon at ti.com>
> Signed-off-by: George Cherian <george.cherian at ti.com>
> [kishon at ti.com: adapted palmas usb driver to use the extcon framework]
> Signed-off-by: Sebastien Guiriec <s-guiriec at ti.com>
> Signed-off-by: Chanwoo Choi <cw00.choi at samsung.com>
> Signed-off-by: Myungjoo Ham <myungjoo.ham at samsung.com>
> ---
> Changes from v5:
> * removed regulator calls from palmas-usb as some platforms wont need it.
> These are now done in dwc3-omap.c as it is needed for OMAP.
> * removed all references to phy_companion as none of it is validated (SRP)
> and all of them were currently unreachable code.
>
> Changes from v4:
> * removed no_control_vbus property (to be used if the platform wants to use
> its own vbus control.
> * removed unnecessary headers
> * moved the palmas_usb_state to palmas.h
> * misc cleanups
> *A checkpatch warning "WARNING: static const char * array should
>  probably be static const char * const"is ignored since it introduces a
>  compilation warning.
>
> Changes from v3:
> * adapted the driver to extcon framework (so moved to drivers/extcon)
> * removed palmas_usb_(write/read) and replaced all calls with
>   palmas_(read/write).
> * ignored a checkpatch warning in the line 
> 	static const char *palmas_extcon_cable[] = {
>   as it seemed to be incorrect?
> * removed all references to OMAP in this driver.
> * couldn't test this driver with mainline as omap5 panda is not booting
>   with mainline.
> * A comment to change to platform_get_irq from regmap is not done as I felt
>   the data should come from regmap in this case.
>
> Changes from v2:
> * Moved the driver to drivers/usb/phy/
> * Added a bit more explanation in Kconfig
>
>  .../devicetree/bindings/extcon/extcon-twl.txt      |  15 ++
>  drivers/extcon/Kconfig                             |   7 +
>  drivers/extcon/Makefile                            |   1 +
>  drivers/extcon/extcon-palmas.c                     | 246 +++++++++++++++++++++
>  include/linux/mfd/palmas.h                         |  26 ++-
>  5 files changed, 283 insertions(+), 12 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/extcon/extcon-twl.txt
>  create mode 100644 drivers/extcon/extcon-palmas.c
Applied only this patch.

you can check on following git repository:
http://git.kernel.org/cgit/linux/kernel/git/chanwoo/extcon.git/log/?h=extcon-next

Thanks,
Chanwoo Choi



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