Commit 78c76554 authored by Xu Yang's avatar Xu Yang Committed by Greg Kroah-Hartman
Browse files

usb: chipidea: udc: add CI_HDRC_CONTROLLER_PULLUP_EVENT event 



The device controller will send CI_HDRC_CONTROLLER_PULLUP_EVENT event
when it's going to pullup or pulldown data line.

Signed-off-by: default avatarXu Yang <xu.yang_2@nxp.com>
Acked-by: default avatarPeter Chen <peter.chen@kernel.org>
Link: https://lore.kernel.org/r/20250614125645.207732-2-xu.yang_2@nxp.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent df9a825f

drivers/usb/chipidea/udc.c

+5 −0
Original line number Diff line number Diff line
@@ -1970,6 +1970,11 @@ static int ci_udc_pullup(struct usb_gadget *_gadget, int is_on) 
		hw_write(ci, OP_USBCMD, USBCMD_RS, USBCMD_RS);

	else

		hw_write(ci, OP_USBCMD, USBCMD_RS, 0);



	if (ci->platdata->notify_event) {

		_gadget->connected = is_on;

		ci->platdata->notify_event(ci, CI_HDRC_CONTROLLER_PULLUP_EVENT);

	}

	pm_runtime_put_sync(ci->dev);



	return 0;

include/linux/usb/chipidea.h

+1 −0
Original line number Diff line number Diff line
@@ -72,6 +72,7 @@ struct ci_hdrc_platform_data { 
#define CI_HDRC_IMX_HSIC_ACTIVE_EVENT		2

#define CI_HDRC_IMX_HSIC_SUSPEND_EVENT		3

#define CI_HDRC_CONTROLLER_VBUS_EVENT		4

#define CI_HDRC_CONTROLLER_PULLUP_EVENT		5

	int	(*notify_event) (struct ci_hdrc *ci, unsigned event);

	struct regulator	*reg_vbus;

	struct usb_otg_caps	ci_otg_caps;