linux-kernel - [PATCH 0/3] common SVDM version and VDO from dt

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Message-Id: <20210126084544.682641-1-kyletso@google.com>
Date:   Tue, 26 Jan 2021 16:45:41 +0800
From:   Kyle Tso <kyletso@...gle.com>
To:     linux@...ck-us.net, heikki.krogerus@...ux.intel.com,
        gregkh@...uxfoundation.org, robh+dt@...nel.org,
        hdegoede@...hat.com, badhri@...gle.com
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, Kyle Tso <kyletso@...gle.com>
Subject: [PATCH 0/3] common SVDM version and VDO from dt

The correct SVDM version we should use is the lowest common version             
between the port partners (plug) as stated in the PD3 Spec 6.4.4.2.3.           
It is determined in the Discovery Identity command so cache it and set          
the value to the version field of the VDM header in every later SVDM.           

Like the previous patch "usb: typec: tcpm: Create legacy PDOs for PD2           
connection"                                                                     
(https://lore.kernel.org/linux-usb/20210115163311.391332-1-kyletso@google.com/) 
The field is changed before sending it out of the port. I know this is          
not a good idea but at least it works.                                          

The other two patches are about to get the VDO from fwnode so as to give         
more flexibility.

Kyle Tso (3):
  usb: typec: Determine common SVDM Versions
  dt-bindings: connector: Add SVDM VDO properties
  usb: typec: tcpm: Get Sink VDO from fwnode

 drivers/usb/typec/altmodes/displayport.c |  6 ++-
 drivers/usb/typec/class.c                |  8 ++--
 drivers/usb/typec/tcpm/tcpm.c            | 56 ++++++++++++++++++++----
 drivers/usb/typec/ucsi/displayport.c     | 12 +++--
 include/dt-bindings/usb/pd.h             | 53 +++++++++++++++++++++-
 include/linux/usb/pd_vdo.h               | 40 ++++++++++++-----
 6 files changed, 147 insertions(+), 28 deletions(-)

-- 
2.30.0.280.ga3ce27912f-goog