1 /* 2 * am35x.h - TI's AM35x platform specific usb wrapper definitions. 3 * 4 * Author: Ajay Kumar Gupta <ajay.gupta@ti.com> 5 * 6 * Based on drivers/usb/musb/da8xx.h 7 * 8 * Copyright (c) 2010 Texas Instruments Incorporated 9 * 10 * SPDX-License-Identifier: GPL-2.0+ 11 */ 12 13 #ifndef __AM35X_USB_H__ 14 #define __AM35X_USB_H__ 15 16 #include <asm/arch/am35x_def.h> 17 #include "musb_core.h" 18 19 /* Base address of musb wrapper */ 20 #define AM35X_USB_OTG_BASE 0x5C040000 21 22 /* Base address of musb core */ 23 #define AM35X_USB_OTG_CORE_BASE (AM35X_USB_OTG_BASE + 0x400) 24 25 /* Timeout for AM35x usb module */ 26 #define AM35X_USB_OTG_TIMEOUT 0x3FFFFFF 27 28 /* 29 * AM35x platform USB wrapper register overlay. 30 */ 31 struct am35x_usb_regs { 32 u32 revision; 33 u32 control; 34 u32 status; 35 u32 emulation; 36 u32 reserved0[1]; 37 u32 autoreq; 38 u32 srpfixtime; 39 u32 ep_intsrc; 40 u32 ep_intsrcset; 41 u32 ep_intsrcclr; 42 u32 ep_intmsk; 43 u32 ep_intmskset; 44 u32 ep_intmskclr; 45 u32 ep_intsrcmsked; 46 u32 reserved1[1]; 47 u32 core_intsrc; 48 u32 core_intsrcset; 49 u32 core_intsrcclr; 50 u32 core_intmsk; 51 u32 core_intmskset; 52 u32 core_intmskclr; 53 u32 core_intsrcmsked; 54 u32 reserved2[1]; 55 u32 eoi; 56 u32 mop_sop_en; 57 u32 reserved3[2]; 58 u32 txmode; 59 u32 rxmode; 60 u32 epcount_mode; 61 }; 62 63 #define am35x_usb_regs ((struct am35x_usb_regs *)AM35X_USB_OTG_BASE) 64 65 /* USB 2.0 PHY Control */ 66 #define DEVCONF2_PHY_GPIOMODE (1 << 23) 67 #define DEVCONF2_OTGMODE (3 << 14) 68 #define DEVCONF2_SESENDEN (1 << 13) /* Vsess_end comparator */ 69 #define DEVCONF2_VBDTCTEN (1 << 12) /* Vbus comparator */ 70 #define DEVCONF2_REFFREQ_24MHZ (2 << 8) 71 #define DEVCONF2_REFFREQ_26MHZ (7 << 8) 72 #define DEVCONF2_REFFREQ_13MHZ (6 << 8) 73 #define DEVCONF2_REFFREQ (0xf << 8) 74 #define DEVCONF2_PHYCKGD (1 << 7) 75 #define DEVCONF2_VBUSSENSE (1 << 6) 76 #define DEVCONF2_PHY_PLLON (1 << 5) /* override PLL suspend */ 77 #define DEVCONF2_RESET (1 << 4) 78 #define DEVCONF2_PHYPWRDN (1 << 3) 79 #define DEVCONF2_OTGPWRDN (1 << 2) 80 #define DEVCONF2_DATPOL (1 << 1) 81 82 #endif /* __AM35X_USB_H__ */ 83