7acc9973e3
Add support for vbus detection and power supply. This code is more or less stolen from phy-gpio-vbus-usb.c, and aims at providing a detection mechanism for VBus (ie. usb cable plug) based on a GPIO line, and a power supply activation which draws current from the VBus. [ balbi@ti.com : fix build break ] Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Felipe Balbi <balbi@ti.com>
34 lines
853 B
C
34 lines
853 B
C
#ifndef __LINUX_USB_NOP_XCEIV_H
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#define __LINUX_USB_NOP_XCEIV_H
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#include <linux/usb/otg.h>
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#include <linux/gpio/consumer.h>
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struct usb_phy_generic_platform_data {
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enum usb_phy_type type;
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unsigned long clk_rate;
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/* if set fails with -EPROBE_DEFER if can't get regulator */
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unsigned int needs_vcc:1;
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unsigned int needs_reset:1; /* deprecated */
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int gpio_reset;
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struct gpio_desc *gpiod_vbus;
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};
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#if IS_ENABLED(CONFIG_NOP_USB_XCEIV)
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/* sometimes transceivers are accessed only through e.g. ULPI */
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extern struct platform_device *usb_phy_generic_register(void);
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extern void usb_phy_generic_unregister(struct platform_device *);
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#else
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static inline struct platform_device *usb_phy_generic_register(void)
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{
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return NULL;
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}
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static inline void usb_phy_generic_unregister(struct platform_device *pdev)
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{
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}
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#endif
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#endif /* __LINUX_USB_NOP_XCEIV_H */
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