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SubjectRe: [PATCH v4 0/3] Introduce USB charger support in USB phy
Hi Felipe,

On 27 July 2017 at 13:14, 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.
> In future we will also cnvert below power drivers:
> drivers/power/supply/axp288_charger.c
> drivers/power/supply/bq24190_charger.c
> drivers/power/supply/charger-manager.c
> drivers/power/supply/qcom_smbb.c
>
> Changes since v3:
> - Bail out errors when failed to find usb phy for wm831x_power driver.
> Changes since v2:
> - Add DT binding documentation for wm831x_power driver.
> - Change 'usb-phy' as one optional property for wm831x_power driver.
> Changes since v1:
> - Fix building errors.

Do you have any comments about usb charger support in usb phy core? Thanks.

>
> 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
>
> Documentation/devicetree/bindings/mfd/wm831x.txt | 1 +
> drivers/power/supply/wm831x_power.c | 72 ++++++
> drivers/usb/phy/phy.c | 272 ++++++++++++++++++++++
> include/linux/usb/phy.h | 49 ++++
> include/uapi/linux/usb/charger.h | 31 +++
> 5 files changed, 425 insertions(+)
> create mode 100644 include/uapi/linux/usb/charger.h
>
> --
> 1.7.9.5
>



--
Baolin.wang
Best Regards

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