xref: /openbmc/u-boot/include/palmas.h (revision ea818dbb)
1 /*
2  * (C) Copyright 2012-2013
3  * Texas Instruments, <www.ti.com>
4  *
5  * See file CREDITS for list of people who contributed to this
6  * project.
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License as
10  * published by the Free Software Foundation; either version 2 of
11  * the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21  * MA 02111-1307 USA
22  */
23 #ifndef PALMAS_H
24 #define PALMAS_H
25 
26 #include <common.h>
27 #include <i2c.h>
28 
29 /* I2C chip addresses, TW6035/37 */
30 #define TWL603X_CHIP_P1		0x48	/* Page 1 */
31 #define TWL603X_CHIP_P2		0x49	/* Page 2 */
32 #define TWL603X_CHIP_P3		0x4a	/* Page 3 */
33 
34 /* TPS659038/39 */
35 #define TPS65903X_CHIP_P1	0x58	/* Page 1 */
36 
37 /* Page 1 registers (0x1XY translates to page 1, reg addr 0xXY): */
38 
39 /* LDO1 control/voltage */
40 #define LDO1_CTRL		0x50
41 #define LDO1_VOLTAGE		0x51
42 
43 /* LDO9 control/voltage */
44 #define LDO9_CTRL		0x60
45 #define LDO9_VOLTAGE		0x61
46 
47 /* LDOUSB control/voltage */
48 #define LDOUSB_CTRL		0x64
49 #define LDOUSB_VOLTAGE		0x65
50 
51 /* Control of 32 kHz audio clock */
52 #define CLK32KGAUDIO_CTRL	0xd5
53 
54 /* SYSEN2_CTRL for VCC_3v3_AUX supply on the sEVM */
55 #define SYSEN2_CTRL		0xd9
56 
57 /*
58  * Bit field definitions for LDOx_CTRL, SYSENx_CTRL
59  * and some other xxx_CTRL resources:
60  */
61 #define LDO9_BYP_EN		(1 << 6)	/* LDO9 only! */
62 #define RSC_STAT_ON		(1 << 4)	/* RO status bit! */
63 #define RSC_MODE_SLEEP		(1 << 2)
64 #define RSC_MODE_ACTIVE		(1 << 0)
65 
66 /* Some LDO voltage values */
67 #define LDO_VOLT_OFF		0
68 #define LDO_VOLT_1V8		0x13
69 #define LDO_VOLT_3V0		0x2b
70 #define LDO_VOLT_3V3		0x31
71 /* Request bypass, LDO9 only */
72 #define LDO9_BYPASS		0x3f
73 
74 /* SMPS7_CTRL */
75 #define SMPS7_CTRL		0x30
76 
77 /* SMPS9_CTRL */
78 #define SMPS9_CTRL		0x38
79 #define SMPS9_VOLTAGE		0x3b
80 
81 /* Bit field definitions for SMPSx_CTRL */
82 #define SMPS_MODE_ACT_AUTO	1
83 #define SMPS_MODE_ACT_ECO	2
84 #define SMPS_MODE_ACT_FPWM	3
85 #define SMPS_MODE_SLP_AUTO	(1 << 2)
86 #define SMPS_MODE_SLP_ECO	(2 << 2)
87 #define SMPS_MODE_SLP_FPWM	(3 << 2)
88 
89 /*
90  * Some popular SMPS voltages, all with RANGE=1; note
91  * that RANGE cannot be changed on the fly
92  */
93 #define SMPS_VOLT_OFF		0
94 #define SMPS_VOLT_1V2		0x90
95 #define SMPS_VOLT_1V8		0xae
96 #define SMPS_VOLT_2V1		0xbd
97 #define SMPS_VOLT_3V0		0xea
98 #define SMPS_VOLT_3V3		0xf9
99 
100 /* Backup Battery & VRTC Control */
101 #define BB_VRTC_CTRL		0xa8
102 /* Bit definitions for BB_VRTC_CTRL */
103 #define VRTC_EN_SLP		(1 << 6)
104 #define VRTC_EN_OFF		(1 << 5)
105 #define VRTC_PWEN		(1 << 4)
106 #define BB_LOW_ICHRG		(1 << 3)
107 #define BB_HIGH_ICHRG		(0 << 3)
108 #define BB_VSEL_3V0		(0 << 1)
109 #define BB_VSEL_2V5		(1 << 1)
110 #define BB_VSEL_3V15		(2 << 1)
111 #define BB_VSEL_VBAT		(3 << 1)
112 #define BB_CHRG_EN		(1 << 0)
113 
114 /*
115  * Functions to read and write from TPS659038/TWL6035/TWL6037
116  * or other Palmas family of TI PMICs
117  */
118 static inline int palmas_i2c_write_u8(u8 chip_no, u8 reg, u8 val)
119 {
120 	return i2c_write(chip_no, reg, 1, &val, 1);
121 }
122 
123 static inline int palmas_i2c_read_u8(u8 chip_no, u8 reg, u8 *val)
124 {
125 	return i2c_read(chip_no, reg, 1, val, 1);
126 }
127 
128 void palmas_init_settings(void);
129 int palmas_mmc1_poweron_ldo(void);
130 int twl603x_mmc1_set_ldo9(u8 vsel);
131 int twl603x_audio_power(u8 on);
132 int twl603x_enable_bb_charge(u8 bb_fields);
133 
134 #endif /* PALMAS_H */
135