xref: /openbmc/u-boot/include/palmas.h (revision 3bddafaa)
1 /*
2  * (C) Copyright 2012-2013
3  * Texas Instruments, <www.ti.com>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 #ifndef PALMAS_H
8 #define PALMAS_H
9 
10 #include <common.h>
11 #include <i2c.h>
12 
13 /* I2C chip addresses, TW6035/37 */
14 #define TWL603X_CHIP_P1		0x48	/* Page 1 */
15 #define TWL603X_CHIP_P2		0x49	/* Page 2 */
16 #define TWL603X_CHIP_P3		0x4a	/* Page 3 */
17 
18 /* TPS659038/39 */
19 #define TPS65903X_CHIP_P1	0x58	/* Page 1 */
20 
21 /* Page 1 registers (0x1XY translates to page 1, reg addr 0xXY): */
22 
23 /* LDO1 control/voltage */
24 #define LDO1_CTRL		0x50
25 #define LDO1_VOLTAGE		0x51
26 
27 /* LDO9 control/voltage */
28 #define LDO9_CTRL		0x60
29 #define LDO9_VOLTAGE		0x61
30 
31 /* LDOUSB control/voltage */
32 #define LDOUSB_CTRL		0x64
33 #define LDOUSB_VOLTAGE		0x65
34 #define LDO_CTRL		0x6a
35 
36 /* Control of 32 kHz audio clock */
37 #define CLK32KGAUDIO_CTRL	0xd5
38 
39 /* SYSEN2_CTRL for VCC_3v3_AUX supply on the sEVM */
40 #define SYSEN2_CTRL		0xd9
41 
42 /*
43  * Bit field definitions for LDOx_CTRL, SYSENx_CTRL
44  * and some other xxx_CTRL resources:
45  */
46 #define LDO9_BYP_EN		(1 << 6)	/* LDO9 only! */
47 #define RSC_STAT_ON		(1 << 4)	/* RO status bit! */
48 #define RSC_MODE_SLEEP		(1 << 2)
49 #define RSC_MODE_ACTIVE		(1 << 0)
50 
51 /* Some LDO voltage values */
52 #define LDO_VOLT_OFF		0
53 #define LDO_VOLT_1V8		0x13
54 #define LDO_VOLT_3V0		0x2b
55 #define LDO_VOLT_3V3		0x31
56 /* Request bypass, LDO9 only */
57 #define LDO9_BYPASS		0x3f
58 
59 /* SMPS7_CTRL */
60 #define SMPS7_CTRL		0x30
61 
62 /* SMPS9_CTRL */
63 #define SMPS9_CTRL		0x38
64 #define SMPS9_VOLTAGE		0x3b
65 
66 /* SMPS10_CTRL */
67 #define SMPS10_CTRL		0x3c
68 #define SMPS10_MODE_ACTIVE_D	0x0d
69 
70 /* Bit field definitions for SMPSx_CTRL */
71 #define SMPS_MODE_ACT_AUTO	1
72 #define SMPS_MODE_ACT_ECO	2
73 #define SMPS_MODE_ACT_FPWM	3
74 #define SMPS_MODE_SLP_AUTO	(1 << 2)
75 #define SMPS_MODE_SLP_ECO	(2 << 2)
76 #define SMPS_MODE_SLP_FPWM	(3 << 2)
77 
78 /*
79  * Some popular SMPS voltages, all with RANGE=1; note
80  * that RANGE cannot be changed on the fly
81  */
82 #define SMPS_VOLT_OFF		0
83 #define SMPS_VOLT_1V2		0x90
84 #define SMPS_VOLT_1V8		0xae
85 #define SMPS_VOLT_2V1		0xbd
86 #define SMPS_VOLT_3V0		0xea
87 #define SMPS_VOLT_3V3		0xf9
88 
89 /* Backup Battery & VRTC Control */
90 #define BB_VRTC_CTRL		0xa8
91 /* Bit definitions for BB_VRTC_CTRL */
92 #define VRTC_EN_SLP		(1 << 6)
93 #define VRTC_EN_OFF		(1 << 5)
94 #define VRTC_PWEN		(1 << 4)
95 #define BB_LOW_ICHRG		(1 << 3)
96 #define BB_HIGH_ICHRG		(0 << 3)
97 #define BB_VSEL_3V0		(0 << 1)
98 #define BB_VSEL_2V5		(1 << 1)
99 #define BB_VSEL_3V15		(2 << 1)
100 #define BB_VSEL_VBAT		(3 << 1)
101 #define BB_CHRG_EN		(1 << 0)
102 
103 /*
104  * Functions to read and write from TPS659038/TWL6035/TWL6037
105  * or other Palmas family of TI PMICs
106  */
107 static inline int palmas_i2c_write_u8(u8 chip_no, u8 reg, u8 val)
108 {
109 	return i2c_write(chip_no, reg, 1, &val, 1);
110 }
111 
112 static inline int palmas_i2c_read_u8(u8 chip_no, u8 reg, u8 *val)
113 {
114 	return i2c_read(chip_no, reg, 1, val, 1);
115 }
116 
117 void palmas_init_settings(void);
118 int palmas_mmc1_poweron_ldo(void);
119 int twl603x_mmc1_set_ldo9(u8 vsel);
120 int twl603x_audio_power(u8 on);
121 int twl603x_enable_bb_charge(u8 bb_fields);
122 int palmas_enable_ss_ldo(void);
123 
124 #endif /* PALMAS_H */
125