xref: /linux-6.15/include/linux/usb/chipidea.h (revision df96ed8d)
1 /*
2  * Platform data for the chipidea USB dual role controller
3  */
4 
5 #ifndef __LINUX_USB_CHIPIDEA_H
6 #define __LINUX_USB_CHIPIDEA_H
7 
8 #include <linux/usb/otg.h>
9 
10 struct ci_hdrc;
11 struct ci_hdrc_platform_data {
12 	const char	*name;
13 	/* offset of the capability registers */
14 	uintptr_t	 capoffset;
15 	unsigned	 power_budget;
16 	struct phy	*phy;
17 	/* old usb_phy interface */
18 	struct usb_phy	*usb_phy;
19 	enum usb_phy_interface phy_mode;
20 	unsigned long	 flags;
21 #define CI_HDRC_REGS_SHARED		BIT(0)
22 #define CI_HDRC_SUPPORTS_RUNTIME_PM	BIT(2)
23 #define CI_HDRC_DISABLE_STREAMING	BIT(3)
24 	/*
25 	 * Only set it when DCCPARAMS.DC==1 and DCCPARAMS.HC==1,
26 	 * but otg is not supported (no register otgsc).
27 	 */
28 #define CI_HDRC_DUAL_ROLE_NOT_OTG	BIT(4)
29 #define CI_HDRC_IMX28_WRITE_FIX		BIT(5)
30 #define CI_HDRC_FORCE_FULLSPEED		BIT(6)
31 #define CI_HDRC_TURN_VBUS_EARLY_ON	BIT(7)
32 #define CI_HDRC_SET_NON_ZERO_TTHA	BIT(8)
33 	enum usb_dr_mode	dr_mode;
34 #define CI_HDRC_CONTROLLER_RESET_EVENT		0
35 #define CI_HDRC_CONTROLLER_STOPPED_EVENT	1
36 	void	(*notify_event) (struct ci_hdrc *ci, unsigned event);
37 	struct regulator	*reg_vbus;
38 	bool			tpl_support;
39 	/* interrupt threshold setting */
40 	u32			itc_setting;
41 };
42 
43 /* Default offset of capability registers */
44 #define DEF_CAPOFFSET		0x100
45 
46 /* Add ci hdrc device */
47 struct platform_device *ci_hdrc_add_device(struct device *dev,
48 			struct resource *res, int nres,
49 			struct ci_hdrc_platform_data *platdata);
50 /* Remove ci hdrc device */
51 void ci_hdrc_remove_device(struct platform_device *pdev);
52 
53 #endif
54