[PATCH 2/2] usb: misc: onboard_usb_hub: Add support for TI TUSB8020B

Matthias Kaehlcke mka at chromium.org
Tue Feb 27 10:38:03 PST 2024


On Tue, Feb 27, 2024 at 05:02:28PM +0800, Macpaul Lin wrote:
> The TI TUSB8020B is a 2-port USB 3.0 hub. Add support for
> this hub in the driver in order to bring up reset, and supply
> dependencies.
> 
> Power-up: Issue a GPIO reset (GRSTz) 3ms after VDD and VDD33 stabilize.
> 
> Signed-off-by: Macpaul Lin <macpaul.lin at mediatek.com>

Generally this looks good to me, but it should probably wait for
"usb: misc: onboard_dev: use device supply names" [1] to land and
use a device specific supply name instead of 'vdd'.

[1] https://lore.kernel.org/linux-usb/20240220-onboard_xvf3500-v4-6-dc1617cc5dd4@wolfvision.net/



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