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usb: chipidea: imx: add imx_usbmisc_pullup() hook

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

Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Acked-by: Peter Chen <peter.chen@kernel.org>
Link: https://lore.kernel.org/r/20250614125645.207732-3-xu.yang_2@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Xu Yang 2025-06-14 20:56:44 +08:00 • committed by Greg Kroah-Hartman
parent 78c76554c6
commit 1a76b634da
2 changed files with 19 additions and 0 deletions
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1
drivers/usb/chipidea/ci_hdrc_imx.h
View file

@ -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_charger_detection(struct imx_usbmisc_data *data, bool connect);
int imx_usbmisc_suspend(struct imx_usbmisc_data *data, bool wakeup); 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_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 */ #endif /* __DRIVER_USB_CHIPIDEA_CI_HDRC_IMX_H */

18
drivers/usb/chipidea/usbmisc_imx.c
View file

@ -170,6 +170,9 @@ struct usbmisc_ops {
int (*charger_detection)(struct imx_usbmisc_data *data); int (*charger_detection)(struct imx_usbmisc_data *data);
/* It's called when system resume from usb power lost */ /* It's called when system resume from usb power lost */
int (*power_lost_check)(struct imx_usbmisc_data *data); 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); 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); 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) int imx_usbmisc_suspend(struct imx_usbmisc_data *data, bool wakeup)
{ {
struct imx_usbmisc *usbmisc; struct imx_usbmisc *usbmisc;