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Ryu: Add dynamic USB pullup support

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Ryu Proto 3 has a FET to control the D+ USB pullup.  This
change enables control of that FET using the board specific
USB connect and disconnect functions.

Signed-off-by: Anton Staaf <robotboy@chromium.org>

BRANCH=None
BUG=None
TEST=make buildall -j

Change-Id: I60cd4d36c19f235800980edc53003490589627c7
Reviewed-on: https://chromium-review.googlesource.com/234395
Trybot-Ready: Anton Staaf <robotboy@chromium.org>
Tested-by: Anton Staaf <robotboy@chromium.org>
Reviewed-by: Vic Yang <victoryang@chromium.org>
Commit-Queue: Anton Staaf <robotboy@chromium.org>
This commit is contained in:
Anton Staaf
2014-12-09 09:12:37 -08:00
committed by ChromeOS Commit Bot
parent 9ce66a98b2
commit 3725b32aa5
1 changed files with 2 additions and 6 deletions
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8
board/ryu/board.c
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@@ -187,14 +187,10 @@ void ccd_board_disconnect(void)
void usb_board_connect(void)
{
/*
* TODO(robotboy): Enable DP pullup for Proto 3, Proto 2 doesn't have
* the DP pullup, so case closed debug will only work on a Proto 2 if
* the board is reworked, and this function is updated.
*/
gpio_set_level(GPIO_USB_PU_EN_L, 0);
}
void usb_board_disconnect(void)
{
/* TODO(robotboy): Disable DP pullup for Proto 3 */
gpio_set_level(GPIO_USB_PU_EN_L, 1);
}