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authorNicholas Chin <nic.c3.14@gmail.com>2022-10-10 20:39:03 -0600
committerKyösti Mälkki <kyosti.malkki@gmail.com>2022-11-11 13:33:34 +0000
commit81827aad3cf4a65128b8e609b183e8a240d08350 (patch)
tree62d5378f378a81ba69955b82f4603e42ff8bb1de /src/mainboard
parent458751c2d5b5ebfdaa4397be44b2ac6a7fd9c8dc (diff)
drivers/usb/gadget.c: Add support for EHCI debug using the WCH CH347
The WCH CH347 presents a USB CDC serial port on interface 4 while in operating modes 0, 1, and 3. Mode 0 also presents a UART on interface 2 but this is ignored for compatibility with the other modes. Mode 2 uses vendor defined HID usages for communication and is not currently supported. Like the FT232H the data format is hard coded to 8n1. Tested using a CH347 breakout board and a Dell Latitude E6400. Change-Id: Ibd4ad17b7369948003fff7e825b46fe852bc7eb9 Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/68264 Reviewed-by: Angel Pons <th3fanbus@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
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