[V4 PATCH 00/26] mv-usb fix and enhancement patches

Felipe Balbi balbi at ti.com
Wed Jan 23 06:47:50 EST 2013


On Mon, Jan 21, 2013 at 05:07:18AM -0500, Chao Xie wrote:
> The patches are divied into 4 parts
> 1. bug fixes
>   usb: gadget: mv_udc: use udc_start and udc_stop functions
>   usb: gadget: mv_udc: use devm_xxx for probe
>   usb: gadget: mv_udc: fix the warning of mv_udc_remove
>   usb: otg: mv_otg: use devm_xxx for probe
>   usb: host: ehci-mv: remove unused variable
>   usb: gadget: mv_udc: fix the value of tranceiver
>   usb: gadget: mv_udc: make mv_udc depends on ARCH_MMP or ARCH_PXA
> Above patches are bug fixes.
> 2. PHY driver
> To remove the callbacks in the platform data, a usb PHY driver
> for marvell udc/otg/ehci is written.
> For device tree support, it is not good to pass the callback
> pointers by platform data. The PHY driver also removes the
> block.
>   usb: phy: mv_usb2: add PHY driver for marvell usb2 controller
>   usb: gadget: mv_udc: use PHY driver for udc
>   usb: ehci: ehci-mv: use PHY driver for ehci
>   usb: otg: mv_otg: use PHY driver for otg
> Above patches are marvell usb PHY driver support.
>   arm: mmp2: change the defintion of usb devices
>   arm: pxa910: change the defintion of usb devices
>   arm: brownstone: add usb support for the board
>   arm: ttc_dkb: add usb support
>   arm: mmp: remove the usb phy setting
>   arm: mmp: remove usb devices from pxa168
> Above patches are for SOC/board support for marvell usb PHY
> driver.
> 3. external chip support
> The marvell usb controller can detect the vbus/idpin, but it
> need PHY and usb clocks to be enabled.
> Based on measurement it will import 15mA current, and increase
> the power when the usb is not used.
> Using a external chip to detect vbus/idpin changes will save
> the power.
> In fact the marvell PMIC 88pm860x and 88pm80x can do it. The
> drivers are located at drivers/mfd.
> So add a middle layer in the marvell usb PHY driver.
> PMIC call the APIs in middle driver to registers the callback
> for vbus/idpin detection/query
> udc/otg/ehci driver will call the APIs to get vbus/idpin changes
> and query the states of the vbus/idpin.
>   usb: phy: mv_usb2_phy: add externel chip support
>   usb: gadget: mv_udc: add extern chip support
>   usb: ehci: ehci-mv: add extern chip support
>   usb: otg: mv_otg: add extern chip support
> Above patches are the middle layer suppor for udc/otg/ehci
>   arm: mmp: add extern chip support for brownstone
>   arm: mmp: add extern chip support for ttc_dkb
> Above patches are corresponding board file changes
> 4. device tree support
> After removing the callbacks in platform data, and the not
> constant variables in platform data. All the information needed
> by udc/otg/ehci driver are constant.
>   usb: gadget: mv_udc: add device tree support
>   usb: otg: mv_otg: add device tree support
>   usb: ehci: ehci-mv: add device tree support
> Above patches are device tree support for udc/otg/ehci driver.

this series will be delayed for v3.10. Sorry

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