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

From: Baolin Wang
Date: Tue Jul 18 2017 - 03:13:05 EST


Hi,

On 3 July 2017 at 14:07, Baolin Wang <baolin.wang@xxxxxxxxxx> 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