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Re: [PATCH v2 0/3] Introduce USB charger support in USB phy

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  Re: [PATCH v2 0/3] Introduce USB charger support in USB phy Baolin Wang <baolin.wang@linaro.org> - 2017-07-18 09:20 +0200

#1689805 — Re: [PATCH v2 0/3] Introduce USB charger support in USB phy

Hi,

On 3 July 2017 at 14:07, Baolin Wang <baolin.wang@linaro.org> wrote:
> Currently the Linux kernel does not provide any standard integration of this
> feature that integrates the USB subsystem with the system power regulation
> provided by PMICs meaning that either vendors must add this in their kernels
> or USB gadget devices based on Linux (such as mobile phones) may not behave
> as they should. Thus provide a standard USB charger support in USB phy core
> for doing this in kernel.
>
> Now introduce one user with wm831x_power to support and test the usb charger.
>
> Changes since v1:
>  - Fix building errors.
>
> Baolin Wang (3):
>   include: uapi: usb: Introduce USB charger type and state definition
>   usb: phy: Add USB charger support
>   power: wm831x_power: Support USB charger current limit management

Any suggestion for the USB charger support in USB phy core? Thanks.

>
>  drivers/power/supply/wm831x_power.c |   61 ++++++++
>  drivers/usb/phy/phy.c               |  265 +++++++++++++++++++++++++++++++++++
>  include/linux/usb/phy.h             |   49 +++++++
>  include/uapi/linux/usb/charger.h    |   31 ++++
>  4 files changed, 406 insertions(+)
>  create mode 100644 include/uapi/linux/usb/charger.h
>
> --
> 1.7.9.5
>



-- 
Baolin.wang
Best Regards

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