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usb: chipidea: add CI_HDRC_FORCE_VBUS_ACTIVE_ALWAYS flag

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Adding CI_HDRC_FORCE_VBUS_ACTIVE_ALWAYS flag to modify the vbus_active
parameter to active in case the ChipIdea USB IP role is device-only and
there is no otgsc register.

Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Acked-by: Peter Chen <peter.chen@kernel.org>
Link: https://lore.kernel.org/r/20231017195903.1665260-2-tmaimon77@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tomer Maimon 2023-10-17 22:59:01 +03:00 • committed by Greg Kroah-Hartman
parent 4936eb7567
commit 2978cc1f28
2 changed files with 5 additions and 1 deletions
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5
drivers/usb/chipidea/otg.c
View file

@ -130,8 +130,11 @@ enum ci_role ci_otg_role(struct ci_hdrc *ci)
void ci_handle_vbus_change(struct ci_hdrc *ci)
{
if (!ci->is_otg)
if (!ci->is_otg) {
if (ci->platdata->flags & CI_HDRC_FORCE_VBUS_ACTIVE_ALWAYS)
usb_gadget_vbus_connect(&ci->gadget);
return;
}
if (hw_read_otgsc(ci, OTGSC_BSV) && !ci->vbus_active)
usb_gadget_vbus_connect(&ci->gadget);

1
include/linux/usb/chipidea.h
View file

@ -64,6 +64,7 @@ struct ci_hdrc_platform_data {
#define CI_HDRC_PMQOS BIT(15)
#define CI_HDRC_PHY_VBUS_CONTROL BIT(16)
#define CI_HDRC_HAS_PORTSC_PEC_MISSED BIT(17)
#define CI_HDRC_FORCE_VBUS_ACTIVE_ALWAYS BIT(18)
enum usb_dr_mode dr_mode;
#define CI_HDRC_CONTROLLER_RESET_EVENT 0
#define CI_HDRC_CONTROLLER_STOPPED_EVENT 1