chipidea.h
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/*
* Platform data for the chipidea USB dual role controller
*/
#ifndef __LINUX_USB_CHIPIDEA_H
#define __LINUX_USB_CHIPIDEA_H
#include <linux/usb/otg.h>
struct ci_hdrc;
struct ci_hdrc_platform_data {
const char *name;
/* offset of the capability registers */
uintptr_t capoffset;
unsigned power_budget;
struct phy *phy;
/* old usb_phy interface */
struct usb_phy *usb_phy;
enum usb_phy_interface phy_mode;
unsigned long flags;
#define CI_HDRC_REGS_SHARED BIT(0)
#define CI_HDRC_SUPPORTS_RUNTIME_PM BIT(2)
/*
* Only set it when DCCPARAMS.DC==1 and DCCPARAMS.HC==1,
* but otg is not supported (no register otgsc).
*/
#define CI_HDRC_DUAL_ROLE_NOT_OTG BIT(4)
#define CI_HDRC_IMX28_WRITE_FIX BIT(5)
#define CI_HDRC_FORCE_FULLSPEED BIT(6)
#define CI_HDRC_IMX_EHCI_QUIRK BIT(7)
#define CI_HDRC_IMX_IS_HSIC BIT(8)
#define CI_HDRC_DISABLE_DEVICE_STREAMING BIT(9)
#define CI_HDRC_DISABLE_HOST_STREAMING BIT(10)
#define CI_HDRC_DISABLE_STREAMING (CI_HDRC_DISABLE_DEVICE_STREAMING | \
CI_HDRC_DISABLE_HOST_STREAMING)
#define CI_HDRC_OVERRIDE_AHB_BURST BIT(11)
#define CI_HDRC_OVERRIDE_BURST_LENGTH BIT(12)
#define CI_HDRC_IMX_VBUS_EARLY_ON BIT(13)
enum usb_dr_mode dr_mode;
#define CI_HDRC_CONTROLLER_RESET_EVENT 0
#define CI_HDRC_CONTROLLER_STOPPED_EVENT 1
#define CI_HDRC_CONTROLLER_VBUS_EVENT 2
#define CI_HDRC_NOTIFY_RET_DEFER_EVENT 3
#define CI_HDRC_CONTROLLER_CHARGER_POST_EVENT 4
#define CI_HDRC_IMX_HSIC_ACTIVE_EVENT 5
#define CI_HDRC_IMX_HSIC_SUSPEND_EVENT 6
int (*notify_event)(struct ci_hdrc *ci, unsigned event);
struct regulator *reg_vbus;
bool tpl_support;
u32 ahbburst_config;
u32 burst_length;
};
/* Default offset of capability registers */
#define DEF_CAPOFFSET 0x100
/* Add ci hdrc device */
struct platform_device *ci_hdrc_add_device(struct device *dev,
struct resource *res, int nres,
struct ci_hdrc_platform_data *platdata);
/* Remove ci hdrc device */
void ci_hdrc_remove_device(struct platform_device *pdev);
/* Get current available role */
enum usb_dr_mode ci_hdrc_query_available_role(struct platform_device *pdev);
#endif