usb: typec: Add driver for NVIDIA Alt Modes

From: Ajay Gupta <[email protected]>

Latest NVIDIA GPUs support VirtualLink device. Since USBIF has not assigned a Standard ID (SID) for VirtualLink so using NVIDA VID 0x955 as SVID.

Signed-off-by Ajay Gupta <[email protected]>

Signed-off-by Heikki Krogerus <[email protected]>

---
 drivers/usb/typec/altmodes/Kconfig  | 10 +++++++
 drivers/usb/typec/altmodes/Makefile |  2 ++
 drivers/usb/typec/altmodes/nvidia.c | 44 +++++++++++++++++++++++++++++
 drivers/usb/typec/ucsi/ucsi.c       |  4 ++-
 include/linux/usb/typec_dp.h        |  5 ++++
 5 files changed, 64 insertions(+), 1 deletion(-)
 create mode 100644 drivers/usb/typec/altmodes/nvidia.c