xref: /openbmc/u-boot/include/palmas.h (revision 9925f1db)
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 /* LDO1 control/voltage for LP873x */
28 #define LP873X_LDO1_ADDR	0x60
29 #define LP873X_LDO1_CTRL	0x9
30 #define LP873X_LDO1_VOLTAGE	0xa
31 #define LP873X_LDO_VOLT_3V0	0x19
32 #define LP873X_LDO_VOLT_1V8	0xa
33 #define LP873X_LDO_CTRL_EN	(0x1 << 0)
34 #define LP873X_LDO_CTRL_EN_PINCTRL	(0x1 << 1)
35 #define LP873X_LDO_CTRL_RDIS_EN	(0x1 << 2)
36 
37 /* LDO2 control/voltage */
38 #define LDO2_CTRL		0x52
39 #define LDO2_VOLTAGE		0x53
40 
41 /* LDO2 control/voltage */
42 #define LDO4_CTRL		0x5e
43 #define LDO4_VOLTAGE		0x5f
44 
45 /* LDO9 control/voltage */
46 #define LDO9_CTRL		0x60
47 #define LDO9_VOLTAGE		0x61
48 
49 /* LDOUSB control/voltage */
50 #define LDOUSB_CTRL		0x64
51 #define LDOUSB_VOLTAGE		0x65
52 #define LDO_CTRL		0x6a
53 
54 /* Control of 32 kHz audio clock */
55 #define CLK32KGAUDIO_CTRL	0xd5
56 
57 /* SYSEN2_CTRL for VCC_3v3_AUX supply on the sEVM */
58 #define SYSEN2_CTRL		0xd9
59 
60 /*
61  * Bit field definitions for LDOx_CTRL, SYSENx_CTRL
62  * and some other xxx_CTRL resources:
63  */
64 #define LDO9_BYP_EN		(1 << 6)	/* LDO9 only! */
65 #define RSC_STAT_ON		(1 << 4)	/* RO status bit! */
66 #define RSC_MODE_SLEEP		(1 << 2)
67 #define RSC_MODE_ACTIVE		(1 << 0)
68 
69 /* Some LDO voltage values */
70 #define LDO_VOLT_OFF		0
71 #define LDO_VOLT_1V8		0x13
72 #define LDO_VOLT_3V0		0x2b
73 #define LDO_VOLT_3V3		0x31
74 /* Request bypass, LDO9 only */
75 #define LDO9_BYPASS		0x3f
76 
77 /* SMPS7_CTRL */
78 #define SMPS7_CTRL		0x30
79 
80 /* SMPS9_CTRL */
81 #define SMPS9_CTRL		0x38
82 #define SMPS9_VOLTAGE		0x3b
83 
84 /* SMPS10_CTRL */
85 #define SMPS10_CTRL		0x3c
86 #define SMPS10_MODE_ACTIVE_D	0x0d
87 
88 /* Bit field definitions for SMPSx_CTRL */
89 #define SMPS_MODE_ACT_AUTO	1
90 #define SMPS_MODE_ACT_ECO	2
91 #define SMPS_MODE_ACT_FPWM	3
92 #define SMPS_MODE_SLP_AUTO	(1 << 2)
93 #define SMPS_MODE_SLP_ECO	(2 << 2)
94 #define SMPS_MODE_SLP_FPWM	(3 << 2)
95 
96 /*
97  * Some popular SMPS voltages, all with RANGE=1; note
98  * that RANGE cannot be changed on the fly
99  */
100 #define SMPS_VOLT_OFF		0
101 #define SMPS_VOLT_1V2		0x90
102 #define SMPS_VOLT_1V8		0xae
103 #define SMPS_VOLT_2V1		0xbd
104 #define SMPS_VOLT_3V0		0xea
105 #define SMPS_VOLT_3V3		0xf9
106 
107 /* Backup Battery & VRTC Control */
108 #define BB_VRTC_CTRL		0xa8
109 /* Bit definitions for BB_VRTC_CTRL */
110 #define VRTC_EN_SLP		(1 << 6)
111 #define VRTC_EN_OFF		(1 << 5)
112 #define VRTC_PWEN		(1 << 4)
113 #define BB_LOW_ICHRG		(1 << 3)
114 #define BB_HIGH_ICHRG		(0 << 3)
115 #define BB_VSEL_3V0		(0 << 1)
116 #define BB_VSEL_2V5		(1 << 1)
117 #define BB_VSEL_3V15		(2 << 1)
118 #define BB_VSEL_VBAT		(3 << 1)
119 #define BB_CHRG_EN		(1 << 0)
120 
121 /*
122  * Functions to read and write from TPS659038/TWL6035/TWL6037
123  * or other Palmas family of TI PMICs
124  */
125 static inline int palmas_i2c_write_u8(u8 chip_no, u8 reg, u8 val)
126 {
127 	return i2c_write(chip_no, reg, 1, &val, 1);
128 }
129 
130 static inline int palmas_i2c_read_u8(u8 chip_no, u8 reg, u8 *val)
131 {
132 	return i2c_read(chip_no, reg, 1, val, 1);
133 }
134 
135 void palmas_init_settings(void);
136 int palmas_mmc1_poweron_ldo(uint ldo_volt, uint ldo_ctrl, uint voltage);
137 int lp873x_mmc1_poweron_ldo(uint voltage);
138 int twl603x_mmc1_set_ldo9(u8 vsel);
139 int twl603x_audio_power(u8 on);
140 int twl603x_enable_bb_charge(u8 bb_fields);
141 int palmas_enable_ss_ldo(void);
142 
143 #endif /* PALMAS_H */
144