mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-23 20:53:53 +08:00
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
|
|
#define __LINUX_USB_NOP_XCEIV_H
|
|
|
|
#include <linux/usb/otg.h>
|
|
#include <linux/gpio/consumer.h>
|
|
|
|
struct usb_phy_generic_platform_data {
|
|
enum usb_phy_type type;
|
|
unsigned long clk_rate;
|
|
|
|
/* if set fails with -EPROBE_DEFER if can't get regulator */
|
|
unsigned int needs_vcc:1;
|
|
unsigned int needs_reset:1; /* deprecated */
|
|
int gpio_reset;
|
|
struct gpio_desc *gpiod_vbus;
|
|
};
|
|
|
|
#if IS_ENABLED(CONFIG_NOP_USB_XCEIV)
|
|
/* sometimes transceivers are accessed only through e.g. ULPI */
|
|
extern struct platform_device *usb_phy_generic_register(void);
|
|
extern void usb_phy_generic_unregister(struct platform_device *);
|
|
#else
|
|
static inline struct platform_device *usb_phy_generic_register(void)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
static inline void usb_phy_generic_unregister(struct platform_device *pdev)
|
|
{
|
|
}
|
|
#endif
|
|
|
|
#endif /* __LINUX_USB_NOP_XCEIV_H */
|