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authorJulius Werner <jwerner@chromium.org>2020-08-24 16:06:41 -0700
committerJulius Werner <jwerner@chromium.org>2020-09-03 01:12:16 +0000
commitdf33ef23553fb41e0660bb75fc439af18eac2a1c (patch)
tree6c512c505b6ca0f8bfc2bcd72392831426e89b3c /src/mainboard/google
parent75cf4566742f24b92c7bd9d5bb41c70aed66826b (diff)
downloadcoreboot-df33ef23553fb41e0660bb75fc439af18eac2a1c.tar.xz
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>
Diffstat (limited to 'src/mainboard/google')
-rw-r--r--src/mainboard/google/trogdor/mainboard.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mainboard/google/trogdor/mainboard.c b/src/mainboard/google/trogdor/mainboard.c
index c82eaa0e02..4d6e352a85 100644
--- a/src/mainboard/google/trogdor/mainboard.c
+++ b/src/mainboard/google/trogdor/mainboard.c
@@ -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);
}