1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * NXP ISP1301 USB transceiver driver
4  *
5  * Copyright (C) 2012 Roland Stigge <stigge@antcom.de>
6  */
7 
8 #ifndef __LINUX_USB_ISP1301_H
9 #define __LINUX_USB_ISP1301_H
10 
11 #include <linux/of.h>
12 
13 /* I2C Register definitions: */
14 
15 #define ISP1301_I2C_MODE_CONTROL_1	0x04	/* u8 read, set, +1 clear */
16 
17 #define MC1_SPEED_REG			(1 << 0)
18 #define MC1_SUSPEND_REG			(1 << 1)
19 #define MC1_DAT_SE0			(1 << 2)
20 #define MC1_TRANSPARENT			(1 << 3)
21 #define MC1_BDIS_ACON_EN		(1 << 4)
22 #define MC1_OE_INT_EN			(1 << 5)
23 #define MC1_UART_EN			(1 << 6)
24 #define MC1_MASK			0x7f
25 
26 #define ISP1301_I2C_MODE_CONTROL_2	0x12	/* u8 read, set, +1 clear */
27 
28 #define MC2_GLOBAL_PWR_DN		(1 << 0)
29 #define MC2_SPD_SUSP_CTRL		(1 << 1)
30 #define MC2_BI_DI			(1 << 2)
31 #define MC2_TRANSP_BDIR0		(1 << 3)
32 #define MC2_TRANSP_BDIR1		(1 << 4)
33 #define MC2_AUDIO_EN			(1 << 5)
34 #define MC2_PSW_EN			(1 << 6)
35 #define MC2_EN2V7			(1 << 7)
36 
37 #define ISP1301_I2C_OTG_CONTROL_1	0x06	/* u8 read, set, +1 clear */
38 
39 #define OTG1_DP_PULLUP			(1 << 0)
40 #define OTG1_DM_PULLUP			(1 << 1)
41 #define OTG1_DP_PULLDOWN		(1 << 2)
42 #define OTG1_DM_PULLDOWN		(1 << 3)
43 #define OTG1_ID_PULLDOWN		(1 << 4)
44 #define OTG1_VBUS_DRV			(1 << 5)
45 #define OTG1_VBUS_DISCHRG		(1 << 6)
46 #define OTG1_VBUS_CHRG			(1 << 7)
47 
48 #define ISP1301_I2C_OTG_CONTROL_2	0x10	/* u8 readonly */
49 
50 #define OTG_B_SESS_END			(1 << 6)
51 #define OTG_B_SESS_VLD			(1 << 7)
52 
53 #define ISP1301_I2C_INTERRUPT_SOURCE	0x8
54 #define ISP1301_I2C_INTERRUPT_LATCH	0xA
55 #define ISP1301_I2C_INTERRUPT_FALLING	0xC
56 #define ISP1301_I2C_INTERRUPT_RISING	0xE
57 
58 #define INT_VBUS_VLD			(1 << 0)
59 #define INT_SESS_VLD			(1 << 1)
60 #define INT_DP_HI			(1 << 2)
61 #define INT_ID_GND			(1 << 3)
62 #define INT_DM_HI			(1 << 4)
63 #define INT_ID_FLOAT			(1 << 5)
64 #define INT_BDIS_ACON			(1 << 6)
65 #define INT_CR_INT			(1 << 7)
66 
67 #define ISP1301_I2C_REG_CLEAR_ADDR	1	/* Register Address Modifier */
68 
69 struct i2c_client *isp1301_get_client(struct device_node *node);
70 
71 #endif /* __LINUX_USB_ISP1301_H */
72