[PATCH 1/3] usb: chipidea: udc: add CI_HDRC_CONTROLLER_PULLUP_EVENT event
Peter Chen (CIX)
peter.chen at kernel.org
Wed Jun 18 03:35:30 PDT 2025
On 25-06-14 20:56:43, Xu Yang wrote:
> The device controller will send CI_HDRC_CONTROLLER_PULLUP_EVENT event
> when it's going to pullup or pulldown data line.
>
> Signed-off-by: Xu Yang <xu.yang_2 at nxp.com>
Acked-by: Peter Chen <peter.chen at kernel.org>
Peter
> ---
> drivers/usb/chipidea/udc.c | 5 +++++
> include/linux/usb/chipidea.h | 1 +
> 2 files changed, 6 insertions(+)
>
> diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
> index 1a48e6440e6c..64a421ae0f05 100644
> --- a/drivers/usb/chipidea/udc.c
> +++ b/drivers/usb/chipidea/udc.c
> @@ -1970,6 +1970,11 @@ static int ci_udc_pullup(struct usb_gadget *_gadget, int is_on)
> hw_write(ci, OP_USBCMD, USBCMD_RS, USBCMD_RS);
> else
> hw_write(ci, OP_USBCMD, USBCMD_RS, 0);
> +
> + if (ci->platdata->notify_event) {
> + _gadget->connected = is_on;
> + ci->platdata->notify_event(ci, CI_HDRC_CONTROLLER_PULLUP_EVENT);
> + }
> pm_runtime_put_sync(ci->dev);
>
> return 0;
> diff --git a/include/linux/usb/chipidea.h b/include/linux/usb/chipidea.h
> index ebdfef124b2b..e17ebeee24e3 100644
> --- a/include/linux/usb/chipidea.h
> +++ b/include/linux/usb/chipidea.h
> @@ -72,6 +72,7 @@ struct ci_hdrc_platform_data {
> #define CI_HDRC_IMX_HSIC_ACTIVE_EVENT 2
> #define CI_HDRC_IMX_HSIC_SUSPEND_EVENT 3
> #define CI_HDRC_CONTROLLER_VBUS_EVENT 4
> +#define CI_HDRC_CONTROLLER_PULLUP_EVENT 5
> int (*notify_event) (struct ci_hdrc *ci, unsigned event);
> struct regulator *reg_vbus;
> struct usb_otg_caps ci_otg_caps;
> --
> 2.34.1
>
--
Best regards,
Peter
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