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SubjectRE: [RFC PATCH v2 0/7] typec: tcpm: Add sink side support for PPS
Date
On 21 November 2017 13:36, Heikki Krogerus write:

> Hi Adam,
>
> On Tue, Nov 14, 2017 at 11:44:41AM +0000, Adam Thomson wrote:
> > This patch set adds sink side support for the PPS feature introduced in the
> > USB PD 3.0 specification.
> >
> > The source PPS supply is represented using the Power Supply framework to provide
> > access and control APIs for dealing with it's operating voltage and current,
> > and switching between a standard PDO and PPS APDO operation. During standard
> PDO
> > operation the voltage and current is read-only, but for APDO PPS these are
> > writable as well to allow for control.
> >
> > It should be noted that the keepalive for PPS is not handled within TCPM. The
> > expectation is that the external user will be required to ensure re-requests
> > occur regularly to ensure PPS remains and the source does not hard reset.
> >
> > Changes in v2:
> > - Use USB_PD and usb_pd prefixes for macros and inline functions in headers.
> > - Negotiate spec revision of PD headers during initial contract agreement.
> > - New headers now use SPDX tags for referencing correct license.
> >
> > NOTE: Code changes are based on linux-next tag 'next-20171114' to pick up
> > the move out of staging of TCPM related code.
> >
> > Adam Thomson (7):
> > typec: tcpm: Add PD Rev 3.0 definitions to PD header
> > typec: tcpm: Add ADO header for Alert message handling
> > typec: tcpm: Add SDB header for Status message handling
> > typec: tcpm: Add core support for sink side PPS
> > power: supply: Add type for USB PD PPS chargers
> > typec: tcpm: Represent source supply through power_supply class
> > typec: tcpm: Add support for sink PPS related messages
> >
> > drivers/power/supply/power_supply_sysfs.c | 2 +-
> > drivers/usb/typec/Kconfig | 1 +
> > drivers/usb/typec/fusb302/Kconfig | 2 +-
> > drivers/usb/typec/fusb302/fusb302.c | 63 +--
> > drivers/usb/typec/tcpm.c | 851 +++++++++++++++++++++++++++++-
> > include/linux/power_supply.h | 1 +
> > include/linux/usb/pd.h | 174 +++++-
> > include/linux/usb/pd_ado.h | 42 ++
> > include/linux/usb/pd_ext_sdb.h | 31 ++
> > include/linux/usb/tcpm.h | 2 +-
> > 10 files changed, 1071 insertions(+), 98 deletions(-)
> > create mode 100644 include/linux/usb/pd_ado.h
> > create mode 100644 include/linux/usb/pd_ext_sdb.h
>
> These don't apply on top of Badhri's series:
> http://www.spinics.net/lists/kernel/msg2649921.html

Hi Heikki,

When I submitted these I was aware of Badhri's patch set but at the time they
hadn't been approved or pulled, at least not into the version of Linux next
that I had based on. If these are now merged in to Linux Next then I'll re-spin
based on those changes.

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