linux-kernel - [PATCH 2/2] usb: chipidea: imx: add USB support for i.MX94

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Message-Id: <20250919071111.2558628-2-xu.yang_2@nxp.com>
Date: Fri, 19 Sep 2025 15:11:11 +0800
From: Xu Yang <xu.yang_2@....com>
To: gregkh@...uxfoundation.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	peter.chen@...nel.org,
	shawnguo@...nel.org,
	s.hauer@...gutronix.de,
	kernel@...gutronix.de,
	festevam@...il.com,
	peng.fan@....com,
	jun.li@....com
Cc: linux-usb@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH 2/2] usb: chipidea: imx: add USB support for i.MX94

Add new imx94_usbmisc_ops for i.MX94 due to it has same wakeup logic
as i.MX95, but it doesn't need workaround for ERR051725, so pullup
is not needed.

Signed-off-by: Xu Yang <xu.yang_2@....com>
---
 drivers/usb/chipidea/usbmisc_imx.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/usb/chipidea/usbmisc_imx.c b/drivers/usb/chipidea/usbmisc_imx.c
index b1418885707c..bb027d2bd700 100644
--- a/drivers/usb/chipidea/usbmisc_imx.c
+++ b/drivers/usb/chipidea/usbmisc_imx.c
@@ -1224,6 +1224,14 @@ static const struct usbmisc_ops imx7ulp_usbmisc_ops = {
 	.power_lost_check = usbmisc_imx7d_power_lost_check,
 };
 
+static const struct usbmisc_ops imx94_usbmisc_ops = {
+	.init = usbmisc_imx7d_init,
+	.set_wakeup = usbmisc_imx95_set_wakeup,
+	.charger_detection = imx7d_charger_detection,
+	.power_lost_check = usbmisc_imx7d_power_lost_check,
+	.vbus_comparator_on = usbmisc_imx7d_vbus_comparator_on,
+};
+
 static const struct usbmisc_ops imx95_usbmisc_ops = {
 	.init = usbmisc_imx7d_init,
 	.set_wakeup = usbmisc_imx95_set_wakeup,
@@ -1481,6 +1489,10 @@ static const struct of_device_id usbmisc_imx_dt_ids[] = {
 		.compatible = "fsl,imx8ulp-usbmisc",
 		.data = &imx7ulp_usbmisc_ops,
 	},
+	{
+		.compatible = "fsl,imx94-usbmisc",
+		.data = &imx94_usbmisc_ops,
+	},
 	{
 		.compatible = "fsl,imx95-usbmisc",
 		.data = &imx95_usbmisc_ops,
-- 
2.34.1