usb: chipidea: imx: add imx_usbmisc_pullup() hook

It's used to do other pullup related operations if needs.

Signed-off-by: Xu Yang <[email protected]>
Acked-by: Peter Chen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: Xu Yang

drivers/usb/chipidea/ci_hdrc_imx.h

@@ -37,5 +37,6 @@ int imx_usbmisc_hsic_set_connect(struct imx_usbmisc_data *data);
 int imx_usbmisc_charger_detection(struct imx_usbmisc_data *data, bool connect);
 int imx_usbmisc_suspend(struct imx_usbmisc_data *data, bool wakeup);
 int imx_usbmisc_resume(struct imx_usbmisc_data *data, bool wakeup);
+int imx_usbmisc_pullup(struct imx_usbmisc_data *data, bool on);
 
 #endif /* __DRIVER_USB_CHIPIDEA_CI_HDRC_IMX_H */

drivers/usb/chipidea/usbmisc_imx.c

@@ -170,6 +170,9 @@ struct usbmisc_ops {
 	int (*charger_detection)(struct imx_usbmisc_data *data);
 	/* It's called when system resume from usb power lost */
 	int (*power_lost_check)(struct imx_usbmisc_data *data);
+	/* It's called when device controller changed pullup status */
+	void (*pullup)(struct imx_usbmisc_data *data, bool on);
+	/* It's called during suspend/resume to save power */
 	void (*vbus_comparator_on)(struct imx_usbmisc_data *data, bool on);
 };
 
@@ -1225,6 +1228,21 @@ int imx_usbmisc_charger_detection(struct imx_usbmisc_data *data, bool connect)
 }
 EXPORT_SYMBOL_GPL(imx_usbmisc_charger_detection);
 
+int imx_usbmisc_pullup(struct imx_usbmisc_data *data, bool on)
+{
+	struct imx_usbmisc *usbmisc;
+
+	if (!data)
+		return 0;
+
+	usbmisc = dev_get_drvdata(data->dev);
+	if (usbmisc->ops->pullup)
+		usbmisc->ops->pullup(data, on);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(imx_usbmisc_pullup);
+
 int imx_usbmisc_suspend(struct imx_usbmisc_data *data, bool wakeup)
 {
 	struct imx_usbmisc *usbmisc;