diff options
| -rw-r--r-- | drivers/usb/phy/Kconfig | 6 | ||||
| -rw-r--r-- | drivers/usb/phy/phy-gpio-vbus-usb.c | 12 |
2 files changed, 17 insertions, 1 deletions
diff --git a/drivers/usb/phy/Kconfig b/drivers/usb/phy/Kconfig index 2acbe41fbf7e..efdcafdbe46d 100644 --- a/drivers/usb/phy/Kconfig +++ b/drivers/usb/phy/Kconfig @@ -93,12 +93,16 @@ config USB_GPIO_VBUS tristate "GPIO based peripheral-only VBUS sensing 'transceiver'" depends on GPIOLIB || COMPILE_TEST depends on USB_GADGET || !USB_GADGET # if USB_GADGET=m, this can't be 'y' + depends on !USB_CONN_GPIO select USB_PHY help Provides simple GPIO VBUS sensing for controllers with an internal transceiver via the usb_phy interface, and optionally control of a D+ pullup GPIO as well as a VBUS - current limit regulator. + current limit regulator. This driver is for devices that do + NOT support role switch. OTG devices that can do role switch + (master/peripheral) shall use the USB based connection + detection driver USB_CONN_GPIO. config OMAP_OTG tristate "OMAP USB OTG controller driver" diff --git a/drivers/usb/phy/phy-gpio-vbus-usb.c b/drivers/usb/phy/phy-gpio-vbus-usb.c index f13f5530746c..12dfeff7de3d 100644 --- a/drivers/usb/phy/phy-gpio-vbus-usb.c +++ b/drivers/usb/phy/phy-gpio-vbus-usb.c @@ -366,12 +366,24 @@ static const struct dev_pm_ops gpio_vbus_dev_pm_ops = { MODULE_ALIAS("platform:gpio-vbus"); +/* + * NOTE: this driver matches against "gpio-usb-b-connector" for + * devices that do NOT support role switch. + */ +static const struct of_device_id gpio_vbus_of_match[] = { + { + .compatible = "gpio-usb-b-connector", + }, + {}, +}; + static struct platform_driver gpio_vbus_driver = { .driver = { .name = "gpio-vbus", #ifdef CONFIG_PM .pm = &gpio_vbus_dev_pm_ops, #endif + .of_match_table = gpio_vbus_of_match, }, .probe = gpio_vbus_probe, .remove = gpio_vbus_remove, |