1 /* SPDX-License-Identifier: GPL-2.0 */ 1
2 /*
3 * Platform data for the chipidea USB dual rol
4 */
5
6 #ifndef __LINUX_USB_CHIPIDEA_H
7 #define __LINUX_USB_CHIPIDEA_H
8
9 #include <linux/extcon.h>
10 #include <linux/usb/otg.h>
11
12 struct ci_hdrc;
13
14 /**
15 * struct ci_hdrc_cable - structure for extern
16 * @connected: true if cable is connected, fal
17 * @changed: set to true when extcon event hap
18 * @enabled: set to true if we've enabled the
19 * @edev: device which generate events
20 * @ci: driver state of the chipidea device
21 * @nb: hold event notification callback
22 * @conn: used for notification registration
23 */
24 struct ci_hdrc_cable {
25 bool connec
26 bool change
27 bool enable
28 struct extcon_dev *edev;
29 struct ci_hdrc *ci;
30 struct notifier_block nb;
31 };
32
33 struct ci_hdrc_platform_data {
34 const char *name;
35 /* offset of the capability registers
36 uintptr_t capoffset;
37 unsigned power_budget;
38 struct phy *phy;
39 /* old usb_phy interface */
40 struct usb_phy *usb_phy;
41 enum usb_phy_interface phy_mode;
42 unsigned long flags;
43 #define CI_HDRC_REGS_SHARED BIT(0)
44 #define CI_HDRC_DISABLE_DEVICE_STREAMING
45 #define CI_HDRC_SUPPORTS_RUNTIME_PM BIT(2)
46 #define CI_HDRC_DISABLE_HOST_STREAMING BIT(3)
47 #define CI_HDRC_DISABLE_STREAMING (CI_HDRC_DIS
48 CI_HDRC_DISABLE_HOST_STREAMING
49 /*
50 * Only set it when DCCPARAMS.DC==1 an
51 * but otg is not supported (no regist
52 */
53 #define CI_HDRC_DUAL_ROLE_NOT_OTG BIT(4)
54 #define CI_HDRC_IMX28_WRITE_FIX BIT(5)
55 #define CI_HDRC_FORCE_FULLSPEED BIT(6)
56 #define CI_HDRC_TURN_VBUS_EARLY_ON BIT(7)
57 #define CI_HDRC_SET_NON_ZERO_TTHA BIT(8)
58 #define CI_HDRC_OVERRIDE_AHB_BURST BIT(9)
59 #define CI_HDRC_OVERRIDE_TX_BURST BIT(10
60 #define CI_HDRC_OVERRIDE_RX_BURST BIT(11
61 #define CI_HDRC_OVERRIDE_PHY_CONTROL BIT(12
62 #define CI_HDRC_REQUIRES_ALIGNED_DMA BIT(13
63 #define CI_HDRC_IMX_IS_HSIC BIT(14
64 #define CI_HDRC_PMQOS BIT(15
65 #define CI_HDRC_PHY_VBUS_CONTROL BIT(16
66 #define CI_HDRC_HAS_PORTSC_PEC_MISSED BIT(17
67 #define CI_HDRC_FORCE_VBUS_ACTIVE_ALWAYS
68 enum usb_dr_mode dr_mode;
69 #define CI_HDRC_CONTROLLER_RESET_EVENT
70 #define CI_HDRC_CONTROLLER_STOPPED_EVENT
71 #define CI_HDRC_IMX_HSIC_ACTIVE_EVENT
72 #define CI_HDRC_IMX_HSIC_SUSPEND_EVENT
73 #define CI_HDRC_CONTROLLER_VBUS_EVENT
74 int (*notify_event) (struct ci_hdr
75 struct regulator *reg_vbus;
76 struct usb_otg_caps ci_otg_caps;
77 bool tpl_support;
78 /* interrupt threshold setting */
79 u32 itc_setting;
80 u32 ahb_burst_conf
81 u32 tx_burst_size;
82 u32 rx_burst_size;
83
84 /* VBUS and ID signal state tracking,
85 struct ci_hdrc_cable vbus_e
86 struct ci_hdrc_cable id_ext
87 u32 phy_clkgate_de
88
89 /* pins */
90 struct pinctrl *pctl;
91 struct pinctrl_state *pins_default;
92 struct pinctrl_state *pins_host;
93 struct pinctrl_state *pins_device;
94
95 /* platform-specific hooks */
96 int (*hub_control)(struct ci_hdrc *ci,
97 u16 wIndex, char *b
98 bool *done, unsigne
99 void (*enter_lpm)(struct ci_hdrc *ci,
100 };
101
102 /* Default offset of capability registers */
103 #define DEF_CAPOFFSET 0x100
104
105 /* Add ci hdrc device */
106 struct platform_device *ci_hdrc_add_device(str
107 struct resource *res,
108 struct ci_hdrc_platfor
109 /* Remove ci hdrc device */
110 void ci_hdrc_remove_device(struct platform_dev
111 /* Get current available role */
112 enum usb_dr_mode ci_hdrc_query_available_role(
113
114 #endif
115
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