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Message-ID: <20231017195903.1665260-2-tmaimon77@gmail.com>
Date: Tue, 17 Oct 2023 22:59:01 +0300
From: Tomer Maimon <tmaimon77@...il.com>
To: <peter.chen@...nel.org>, <gregkh@...uxfoundation.org>,
<robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
<xu.yang_2@....com>, <peng.fan@....com>, <avifishman70@...il.com>,
<tali.perry1@...il.com>, <joel@....id.au>, <venture@...gle.com>,
<yuenn@...gle.com>, <benjaminfair@...gle.com>,
<j.neuschaefer@....net>
CC: <openbmc@...ts.ozlabs.org>, <linux-usb@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
Tomer Maimon <tmaimon77@...il.com>
Subject: [PATCH v7 1/3] usb: chipidea: add CI_HDRC_FORCE_VBUS_ACTIVE_ALWAYS flag
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@...il.com>
Acked-by: Peter Chen <peter.chen@...nel.org>
---
drivers/usb/chipidea/otg.c | 5 ++++-
include/linux/usb/chipidea.h | 1 +
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/chipidea/otg.c b/drivers/usb/chipidea/otg.c
index f5490f2a5b6b..647e98f4e351 100644
--- a/drivers/usb/chipidea/otg.c
+++ b/drivers/usb/chipidea/otg.c
@@ -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);
diff --git a/include/linux/usb/chipidea.h b/include/linux/usb/chipidea.h
index 0b4f2d5faa08..5a7f96684ea2 100644
--- a/include/linux/usb/chipidea.h
+++ b/include/linux/usb/chipidea.h
@@ -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
--
2.33.0
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