1 /* 2 * (C) Copyright 2012 3 * Texas Instruments, <www.ti.com> 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 #ifndef _I2C_AM33XX_H_ 8 #define _I2C_AM33XX_H_ 9 10 #define I2C_BASE1 0x44E0B000 11 #define I2C_BASE2 0x4802A000 12 #define I2C_BASE3 0x4819C000 13 #define I2C_BUS_MAX 3 14 15 #define I2C_DEFAULT_BASE I2C_BASE1 16 17 struct i2c { 18 unsigned short revnb_lo; /* 0x00 */ 19 unsigned short res1; 20 unsigned short revnb_hi; /* 0x04 */ 21 unsigned short res2[5]; 22 unsigned short sysc; /* 0x10 */ 23 unsigned short res3[9]; 24 unsigned short irqstatus_raw; /* 0x24 */ 25 unsigned short res4; 26 unsigned short stat; /* 0x28 */ 27 unsigned short res5; 28 unsigned short ie; /* 0x2C */ 29 unsigned short res6; 30 unsigned short irqenable_clr; /* 0x30 */ 31 unsigned short res7; 32 unsigned short iv; /* 0x34 */ 33 unsigned short res8[45]; 34 unsigned short syss; /* 0x90 */ 35 unsigned short res9; 36 unsigned short buf; /* 0x94 */ 37 unsigned short res10; 38 unsigned short cnt; /* 0x98 */ 39 unsigned short res11; 40 unsigned short data; /* 0x9C */ 41 unsigned short res13; 42 unsigned short res14; /* 0xA0 */ 43 unsigned short res15; 44 unsigned short con; /* 0xA4 */ 45 unsigned short res16; 46 unsigned short oa; /* 0xA8 */ 47 unsigned short res17; 48 unsigned short sa; /* 0xAC */ 49 unsigned short res18; 50 unsigned short psc; /* 0xB0 */ 51 unsigned short res19; 52 unsigned short scll; /* 0xB4 */ 53 unsigned short res20; 54 unsigned short sclh; /* 0xB8 */ 55 unsigned short res21; 56 unsigned short systest; /* 0xBC */ 57 unsigned short res22; 58 unsigned short bufstat; /* 0xC0 */ 59 unsigned short res23; 60 }; 61 62 #define I2C_IP_CLK 48000000 63 #define I2C_INTERNAL_SAMPLING_CLK 12000000 64 65 #endif /* _I2C_AM33XX_H_ */ 66