Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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
10struct ci_hdrc;
11struct 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_DISABLE_DEVICE_STREAMING BIT(1)
23#define CI_HDRC_SUPPORTS_RUNTIME_PM BIT(2)
24#define CI_HDRC_DISABLE_HOST_STREAMING BIT(3)
25#define CI_HDRC_DISABLE_STREAMING (CI_HDRC_DISABLE_DEVICE_STREAMING | \
26 CI_HDRC_DISABLE_HOST_STREAMING)
27 /*
28 * Only set it when DCCPARAMS.DC==1 and DCCPARAMS.HC==1,
29 * but otg is not supported (no register otgsc).
30 */
31#define CI_HDRC_DUAL_ROLE_NOT_OTG BIT(4)
32#define CI_HDRC_IMX28_WRITE_FIX BIT(5)
33#define CI_HDRC_FORCE_FULLSPEED BIT(6)
34#define CI_HDRC_TURN_VBUS_EARLY_ON BIT(7)
35#define CI_HDRC_SET_NON_ZERO_TTHA BIT(8)
36#define CI_HDRC_OVERRIDE_AHB_BURST BIT(9)
37#define CI_HDRC_OVERRIDE_TX_BURST BIT(10)
38#define CI_HDRC_OVERRIDE_RX_BURST BIT(11)
39 enum usb_dr_mode dr_mode;
40#define CI_HDRC_CONTROLLER_RESET_EVENT 0
41#define CI_HDRC_CONTROLLER_STOPPED_EVENT 1
42 void (*notify_event) (struct ci_hdrc *ci, unsigned event);
43 struct regulator *reg_vbus;
44 struct usb_otg_caps ci_otg_caps;
45 bool tpl_support;
46 /* interrupt threshold setting */
47 u32 itc_setting;
48 u32 ahb_burst_config;
49 u32 tx_burst_size;
50 u32 rx_burst_size;
51};
52
53/* Default offset of capability registers */
54#define DEF_CAPOFFSET 0x100
55
56/* Add ci hdrc device */
57struct platform_device *ci_hdrc_add_device(struct device *dev,
58 struct resource *res, int nres,
59 struct ci_hdrc_platform_data *platdata);
60/* Remove ci hdrc device */
61void ci_hdrc_remove_device(struct platform_device *pdev);
62
63#endif