xref: /OK3568_Linux_fs/u-boot/drivers/misc/ds4510.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright 2008 Extreme Engineering Solutions, Inc.
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #ifndef __DS4510_H_
8*4882a593Smuzhiyun #define __DS4510_H_
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun /* General defines */
11*4882a593Smuzhiyun #define DS4510_NUM_IO				0x04
12*4882a593Smuzhiyun #define DS4510_IO_MASK				((1 << DS4510_NUM_IO) - 1)
13*4882a593Smuzhiyun #define DS4510_EEPROM_PAGE_WRITE_DELAY_MS	20
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun /* EEPROM from 0x00 - 0x39 */
16*4882a593Smuzhiyun #define DS4510_EEPROM				0x00
17*4882a593Smuzhiyun #define DS4510_EEPROM_SIZE			0x40
18*4882a593Smuzhiyun #define DS4510_EEPROM_PAGE_SIZE			0x08
19*4882a593Smuzhiyun #define DS4510_EEPROM_PAGE_OFFSET(x)	((x) & (DS4510_EEPROM_PAGE_SIZE - 1))
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun /* SEEPROM from 0xf0 - 0xf7 */
22*4882a593Smuzhiyun #define DS4510_SEEPROM				0xf0
23*4882a593Smuzhiyun #define DS4510_SEEPROM_SIZE			0x08
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun /* Registers overlapping SEEPROM from 0xf0 - 0xf7 */
26*4882a593Smuzhiyun #define DS4510_PULLUP				0xF0
27*4882a593Smuzhiyun #define DS4510_PULLUP_DIS			0x00
28*4882a593Smuzhiyun #define DS4510_PULLUP_EN			0x01
29*4882a593Smuzhiyun #define DS4510_RSTDELAY				0xF1
30*4882a593Smuzhiyun #define DS4510_RSTDELAY_MASK			0x03
31*4882a593Smuzhiyun #define DS4510_RSTDELAY_125			0x00
32*4882a593Smuzhiyun #define DS4510_RSTDELAY_250			0x01
33*4882a593Smuzhiyun #define DS4510_RSTDELAY_500			0x02
34*4882a593Smuzhiyun #define DS4510_RSTDELAY_1000			0x03
35*4882a593Smuzhiyun #define DS4510_IO3				0xF4
36*4882a593Smuzhiyun #define DS4510_IO2				0xF5
37*4882a593Smuzhiyun #define DS4510_IO1				0xF6
38*4882a593Smuzhiyun #define DS4510_IO0				0xF7
39*4882a593Smuzhiyun 
40*4882a593Smuzhiyun /* Status configuration registers from 0xf8 - 0xf9*/
41*4882a593Smuzhiyun #define DS4510_IO_STATUS			0xF8
42*4882a593Smuzhiyun #define DS4510_CFG				0xF9
43*4882a593Smuzhiyun #define DS4510_CFG_READY			0x80
44*4882a593Smuzhiyun #define DS4510_CFG_TRIP_POINT			0x40
45*4882a593Smuzhiyun #define DS4510_CFG_RESET			0x20
46*4882a593Smuzhiyun #define DS4510_CFG_SEE				0x10
47*4882a593Smuzhiyun #define DS4510_CFG_SWRST			0x08
48*4882a593Smuzhiyun 
49*4882a593Smuzhiyun /* SRAM from 0xfa - 0xff */
50*4882a593Smuzhiyun #define DS4510_SRAM				0xfa
51*4882a593Smuzhiyun #define DS4510_SRAM_SIZE			0x06
52*4882a593Smuzhiyun 
53*4882a593Smuzhiyun #endif /* __DS4510_H_ */
54