trogdor: Assert EN_PP3300_HUB

Some Trogdor variants power their USB hub from a PMIC LDO that is
already enabled by QcLib, and some have a discrete LDO that is
controlled by GPIO_84. For the latter, let's make sure we assert that
GPIO on boot.

Signed-off-by: Julius Werner <jwerner@chromium.org>
Change-Id: I9d206cd7154ded3bf179e68c2b1421d0a8ee89f2
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44744
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: mturney mturney <mturney@codeaurora.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Philip Chen <philipchen@google.com>
This commit is contained in:
Julius Werner 2020-08-24 16:06:41 -07:00
parent 75cf456674
commit df33ef2355
1 changed files with 3 additions and 0 deletions

View File

@ -12,6 +12,9 @@ static struct usb_board_data usb0_board_data = {
static void setup_usb(void)
{
/* Assert EN_PP3300_HUB for those board variants that use it. */
gpio_output(GPIO(84), 1);
setup_usb_host0(&usb0_board_data);
}