xref: /openbmc/u-boot/include/palmas.h (revision 93322749)
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 /* LDO2 control/voltage */
28 #define LDO2_CTRL		0x52
29 #define LDO2_VOLTAGE		0x53
30 
31 /* LDO9 control/voltage */
32 #define LDO9_CTRL		0x60
33 #define LDO9_VOLTAGE		0x61
34 
35 /* LDOUSB control/voltage */
36 #define LDOUSB_CTRL		0x64
37 #define LDOUSB_VOLTAGE		0x65
38 #define LDO_CTRL		0x6a
39 
40 /* Control of 32 kHz audio clock */
41 #define CLK32KGAUDIO_CTRL	0xd5
42 
43 /* SYSEN2_CTRL for VCC_3v3_AUX supply on the sEVM */
44 #define SYSEN2_CTRL		0xd9
45 
46 /*
47  * Bit field definitions for LDOx_CTRL, SYSENx_CTRL
48  * and some other xxx_CTRL resources:
49  */
50 #define LDO9_BYP_EN		(1 << 6)	/* LDO9 only! */
51 #define RSC_STAT_ON		(1 << 4)	/* RO status bit! */
52 #define RSC_MODE_SLEEP		(1 << 2)
53 #define RSC_MODE_ACTIVE		(1 << 0)
54 
55 /* Some LDO voltage values */
56 #define LDO_VOLT_OFF		0
57 #define LDO_VOLT_1V8		0x13
58 #define LDO_VOLT_3V0		0x2b
59 #define LDO_VOLT_3V3		0x31
60 /* Request bypass, LDO9 only */
61 #define LDO9_BYPASS		0x3f
62 
63 /* SMPS7_CTRL */
64 #define SMPS7_CTRL		0x30
65 
66 /* SMPS9_CTRL */
67 #define SMPS9_CTRL		0x38
68 #define SMPS9_VOLTAGE		0x3b
69 
70 /* SMPS10_CTRL */
71 #define SMPS10_CTRL		0x3c
72 #define SMPS10_MODE_ACTIVE_D	0x0d
73 
74 /* Bit field definitions for SMPSx_CTRL */
75 #define SMPS_MODE_ACT_AUTO	1
76 #define SMPS_MODE_ACT_ECO	2
77 #define SMPS_MODE_ACT_FPWM	3
78 #define SMPS_MODE_SLP_AUTO	(1 << 2)
79 #define SMPS_MODE_SLP_ECO	(2 << 2)
80 #define SMPS_MODE_SLP_FPWM	(3 << 2)
81 
82 /*
83  * Some popular SMPS voltages, all with RANGE=1; note
84  * that RANGE cannot be changed on the fly
85  */
86 #define SMPS_VOLT_OFF		0
87 #define SMPS_VOLT_1V2		0x90
88 #define SMPS_VOLT_1V8		0xae
89 #define SMPS_VOLT_2V1		0xbd
90 #define SMPS_VOLT_3V0		0xea
91 #define SMPS_VOLT_3V3		0xf9
92 
93 /* Backup Battery & VRTC Control */
94 #define BB_VRTC_CTRL		0xa8
95 /* Bit definitions for BB_VRTC_CTRL */
96 #define VRTC_EN_SLP		(1 << 6)
97 #define VRTC_EN_OFF		(1 << 5)
98 #define VRTC_PWEN		(1 << 4)
99 #define BB_LOW_ICHRG		(1 << 3)
100 #define BB_HIGH_ICHRG		(0 << 3)
101 #define BB_VSEL_3V0		(0 << 1)
102 #define BB_VSEL_2V5		(1 << 1)
103 #define BB_VSEL_3V15		(2 << 1)
104 #define BB_VSEL_VBAT		(3 << 1)
105 #define BB_CHRG_EN		(1 << 0)
106 
107 /*
108  * Functions to read and write from TPS659038/TWL6035/TWL6037
109  * or other Palmas family of TI PMICs
110  */
111 static inline int palmas_i2c_write_u8(u8 chip_no, u8 reg, u8 val)
112 {
113 	return i2c_write(chip_no, reg, 1, &val, 1);
114 }
115 
116 static inline int palmas_i2c_read_u8(u8 chip_no, u8 reg, u8 *val)
117 {
118 	return i2c_read(chip_no, reg, 1, val, 1);
119 }
120 
121 void palmas_init_settings(void);
122 int palmas_mmc1_poweron_ldo(void);
123 int twl603x_mmc1_set_ldo9(u8 vsel);
124 int twl603x_audio_power(u8 on);
125 int twl603x_enable_bb_charge(u8 bb_fields);
126 int palmas_enable_ss_ldo(void);
127 
128 #endif /* PALMAS_H */
129