xref: /openbmc/u-boot/include/palmas.h (revision ae485b54)
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * (C) Copyright 2012-2013
4  * Texas Instruments, <www.ti.com>
5  */
6 #ifndef PALMAS_H
7 #define PALMAS_H
8 
9 #include <common.h>
10 #include <i2c.h>
11 
12 /* I2C chip addresses, TW6035/37 */
13 #define TWL603X_CHIP_P1		0x48	/* Page 1 */
14 #define TWL603X_CHIP_P2		0x49	/* Page 2 */
15 #define TWL603X_CHIP_P3		0x4a	/* Page 3 */
16 
17 /* TPS659038/39 */
18 #define TPS65903X_CHIP_P1	0x58	/* Page 1 */
19 
20 /* Page 1 registers (0x1XY translates to page 1, reg addr 0xXY): */
21 
22 /* LDO1 control/voltage */
23 #define LDO1_CTRL		0x50
24 #define LDO1_VOLTAGE		0x51
25 
26 /* LDO1 control/voltage for LP873x */
27 #define LP873X_LDO1_ADDR	0x60
28 #define LP873X_LDO1_CTRL	0x9
29 #define LP873X_LDO1_VOLTAGE	0xa
30 #define LP873X_LDO_VOLT_3V0	0x19
31 #define LP873X_LDO_VOLT_1V8	0xa
32 #define LP873X_LDO_CTRL_EN	(0x1 << 0)
33 #define LP873X_LDO_CTRL_EN_PINCTRL	(0x1 << 1)
34 #define LP873X_LDO_CTRL_RDIS_EN	(0x1 << 2)
35 
36 /* LDO2 control/voltage */
37 #define LDO2_CTRL		0x52
38 #define LDO2_VOLTAGE		0x53
39 
40 /* LDO2 control/voltage */
41 #define LDO4_CTRL		0x5e
42 #define LDO4_VOLTAGE		0x5f
43 
44 /* LDO9 control/voltage */
45 #define LDO9_CTRL		0x60
46 #define LDO9_VOLTAGE		0x61
47 
48 /* LDOUSB control/voltage */
49 #define LDOUSB_CTRL		0x64
50 #define LDOUSB_VOLTAGE		0x65
51 #define LDO_CTRL		0x6a
52 
53 /* Control of 32 kHz audio clock */
54 #define CLK32KGAUDIO_CTRL	0xd5
55 
56 /* SYSEN2_CTRL for VCC_3v3_AUX supply on the sEVM */
57 #define SYSEN2_CTRL		0xd9
58 
59 /*
60  * Bit field definitions for LDOx_CTRL, SYSENx_CTRL
61  * and some other xxx_CTRL resources:
62  */
63 #define LDO9_BYP_EN		(1 << 6)	/* LDO9 only! */
64 #define RSC_STAT_ON		(1 << 4)	/* RO status bit! */
65 #define RSC_MODE_SLEEP		(1 << 2)
66 #define RSC_MODE_ACTIVE		(1 << 0)
67 
68 /* Some LDO voltage values */
69 #define LDO_VOLT_OFF		0
70 #define LDO_VOLT_1V8		0x13
71 #define LDO_VOLT_3V0		0x2b
72 #define LDO_VOLT_3V3		0x31
73 /* Request bypass, LDO9 only */
74 #define LDO9_BYPASS		0x3f
75 
76 /* SMPS7_CTRL */
77 #define SMPS7_CTRL		0x30
78 
79 /* SMPS9_CTRL */
80 #define SMPS9_CTRL		0x38
81 #define SMPS9_VOLTAGE		0x3b
82 
83 /* SMPS10_CTRL */
84 #define SMPS10_CTRL		0x3c
85 #define SMPS10_MODE_ACTIVE_D	0x0d
86 
87 /* Bit field definitions for SMPSx_CTRL */
88 #define SMPS_MODE_ACT_AUTO	1
89 #define SMPS_MODE_ACT_ECO	2
90 #define SMPS_MODE_ACT_FPWM	3
91 #define SMPS_MODE_SLP_AUTO	(1 << 2)
92 #define SMPS_MODE_SLP_ECO	(2 << 2)
93 #define SMPS_MODE_SLP_FPWM	(3 << 2)
94 
95 /*
96  * Some popular SMPS voltages, all with RANGE=1; note
97  * that RANGE cannot be changed on the fly
98  */
99 #define SMPS_VOLT_OFF		0
100 #define SMPS_VOLT_1V2		0x90
101 #define SMPS_VOLT_1V8		0xae
102 #define SMPS_VOLT_2V1		0xbd
103 #define SMPS_VOLT_3V0		0xea
104 #define SMPS_VOLT_3V3		0xf9
105 
106 /* Backup Battery & VRTC Control */
107 #define BB_VRTC_CTRL		0xa8
108 /* Bit definitions for BB_VRTC_CTRL */
109 #define VRTC_EN_SLP		(1 << 6)
110 #define VRTC_EN_OFF		(1 << 5)
111 #define VRTC_PWEN		(1 << 4)
112 #define BB_LOW_ICHRG		(1 << 3)
113 #define BB_HIGH_ICHRG		(0 << 3)
114 #define BB_VSEL_3V0		(0 << 1)
115 #define BB_VSEL_2V5		(1 << 1)
116 #define BB_VSEL_3V15		(2 << 1)
117 #define BB_VSEL_VBAT		(3 << 1)
118 #define BB_CHRG_EN		(1 << 0)
119 
120 /*
121  * Functions to read and write from TPS659038/TWL6035/TWL6037
122  * or other Palmas family of TI PMICs
123  */
124 static inline int palmas_i2c_write_u8(u8 chip_no, u8 reg, u8 val)
125 {
126 	return i2c_write(chip_no, reg, 1, &val, 1);
127 }
128 
129 static inline int palmas_i2c_read_u8(u8 chip_no, u8 reg, u8 *val)
130 {
131 	return i2c_read(chip_no, reg, 1, val, 1);
132 }
133 
134 void palmas_init_settings(void);
135 int palmas_mmc1_poweron_ldo(uint ldo_volt, uint ldo_ctrl, uint voltage);
136 int lp873x_mmc1_poweron_ldo(uint voltage);
137 int twl603x_mmc1_set_ldo9(u8 vsel);
138 int twl603x_audio_power(u8 on);
139 int twl603x_enable_bb_charge(u8 bb_fields);
140 int palmas_enable_ss_ldo(void);
141 
142 #endif /* PALMAS_H */
143