[v2] Implement vbus support for HD3SS3220 port controller

[PATCH v2 0/2] Implement vbus support for HD3SS3220 port controller

Krishna Kurapati posted 2 patches 2 months, 1 week ago

Diff against v1 v3 v4 v5 v6 v7
Download series mbox

There is a newer version of this series

.../devicetree/bindings/usb/ti,hd3ss3220.yaml | 13 ++++
drivers/usb/typec/hd3ss3220.c                 | 60 +++++++++++++++++++
2 files changed, 73 insertions(+)

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[PATCH v2 0/2] Implement vbus support for HD3SS3220 port controller

Posted by Krishna Kurapati 2 months, 1 week ago

As per the data sheet of HD3SS3220:

"Upon detecting a UFP device, HD3SS3220 will keep ID pin high if VBUS is
not at VSafe0V. Once VBUS is at VSafe0V, the HD3SS3220 will assert ID pin
low. This is done to enforce Type-C requirement that VBUS must be at
VSafe0V before re-enabling VBUS"

This series implements support to read ID pin state and accordingly enable
VBUS.

Changes in v2:
Fixed inclusion of header files appropriately.
Modified commit text for driver patch.

Link to v1:
https://lore.kernel.org/all/20251002172539.586538-1-krishna.kurapati@oss.qualcomm.com/

Krishna Kurapati (2):
  dt-bindings: usb: ti,hd3ss3220: Add support for VBUS based on ID state
  usb: typec: hd3ss3220: Enable VBUS based on ID pin state

 .../devicetree/bindings/usb/ti,hd3ss3220.yaml | 13 ++++
 drivers/usb/typec/hd3ss3220.c                 | 60 +++++++++++++++++++
 2 files changed, 73 insertions(+)

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2.34.1