xref: /openbmc/u-boot/include/power/sandbox_pmic.h (revision cd1cc31f)
1 /*
2  *  Copyright (C) 2015 Samsung Electronics
3  *  Przemyslaw Marczak  <p.marczak@samsung.com>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #ifndef _SANDBOX_PMIC_H_
9 #define  _SANDBOX_PMIC_H_
10 
11 #define SANDBOX_LDO_DRIVER		"sandbox_ldo"
12 #define SANDBOX_OF_LDO_PREFIX		"ldo"
13 #define SANDBOX_BUCK_DRIVER		"sandbox_buck"
14 #define SANDBOX_OF_BUCK_PREFIX		"buck"
15 
16 #define SANDBOX_BUCK_COUNT	3
17 #define SANDBOX_LDO_COUNT	2
18 /*
19  * Sandbox PMIC registers:
20  * We have only 12 significant registers, but we alloc 16 for padding.
21  */
22 enum {
23 	SANDBOX_PMIC_REG_BUCK1_UV = 0,
24 	SANDBOX_PMIC_REG_BUCK1_UA,
25 	SANDBOX_PMIC_REG_BUCK1_OM,
26 
27 	SANDBOX_PMIC_REG_BUCK2_UV,
28 	SANDBOX_PMIC_REG_BUCK2_UA,
29 	SANDBOX_PMIC_REG_BUCK2_OM,
30 
31 	SANDBOX_PMIC_REG_LDO_OFFSET,
32 	SANDBOX_PMIC_REG_LDO1_UV = SANDBOX_PMIC_REG_LDO_OFFSET,
33 	SANDBOX_PMIC_REG_LDO1_UA,
34 	SANDBOX_PMIC_REG_LDO1_OM,
35 
36 	SANDBOX_PMIC_REG_LDO2_UV,
37 	SANDBOX_PMIC_REG_LDO2_UA,
38 	SANDBOX_PMIC_REG_LDO2_OM,
39 
40 	SANDBOX_PMIC_REG_COUNT = 16,
41 };
42 
43 /* Register offset for output: micro Volts, micro Amps, Operation Mode */
44 enum {
45 	OUT_REG_UV = 0,
46 	OUT_REG_UA,
47 	OUT_REG_OM,
48 	OUT_REG_COUNT,
49 };
50 
51 /* Buck operation modes */
52 enum {
53 	BUCK_OM_OFF = 0,
54 	BUCK_OM_ON,
55 	BUCK_OM_PWM,
56 	BUCK_OM_COUNT,
57 };
58 
59 /* Ldo operation modes */
60 enum {
61 	LDO_OM_OFF = 0,
62 	LDO_OM_ON,
63 	LDO_OM_SLEEP,
64 	LDO_OM_STANDBY,
65 	LDO_OM_COUNT,
66 };
67 
68 /* BUCK1 Voltage: min: 0.8V, step: 25mV, max 2.4V */
69 #define OUT_BUCK1_UV_MIN	800000
70 #define OUT_BUCK1_UV_MAX	2400000
71 #define OUT_BUCK1_UV_STEP	25000
72 
73 /* BUCK1 Amperage: min: 150mA, step: 25mA, max: 250mA */
74 #define OUT_BUCK1_UA_MIN	150000
75 #define OUT_BUCK1_UA_MAX	250000
76 #define OUT_BUCK1_UA_STEP	25000
77 
78 /* BUCK2 Voltage: min: 0.75V, step: 50mV, max 3.95V */
79 #define OUT_BUCK2_UV_MIN	750000
80 #define OUT_BUCK2_UV_MAX	3950000
81 #define OUT_BUCK2_UV_STEP	50000
82 
83 /* LDO1 Voltage: min: 0.8V, step: 25mV, max 2.4V */
84 #define OUT_LDO1_UV_MIN		800000
85 #define OUT_LDO1_UV_MAX		2400000
86 #define OUT_LDO1_UV_STEP	25000
87 
88 /* LDO1 Amperage: min: 100mA, step: 50mA, max: 200mA */
89 #define OUT_LDO1_UA_MIN		100000
90 #define OUT_LDO1_UA_MAX		200000
91 #define OUT_LDO1_UA_STEP	50000
92 
93 /* LDO2 Voltage: min: 0.75V, step: 50mV, max 3.95V */
94 #define OUT_LDO2_UV_MIN		750000
95 #define OUT_LDO2_UV_MAX		3950000
96 #define OUT_LDO2_UV_STEP	50000
97 
98 /* register <-> value conversion */
99 #define REG2VAL(min, step, reg)		((min) + ((step) * (reg)))
100 #define VAL2REG(min, step, val)		(((val) - (min)) / (step))
101 
102 /* Operation mode id -> register value conversion */
103 #define OM2REG(x)			(x)
104 
105 /* Test data for: test/dm/power.c */
106 
107 /* BUCK names */
108 #define SANDBOX_BUCK1_DEVNAME	"buck1"
109 #define SANDBOX_BUCK1_PLATNAME	"SUPPLY_1.2V"
110 #define SANDBOX_BUCK2_DEVNAME	"buck2"
111 #define SANDBOX_BUCK2_PLATNAME	"SUPPLY_3.3V"
112 /* BUCK3: for testing fallback regulator prefix matching during bind */
113 #define SANDBOX_BUCK3_DEVNAME	"no_match_by_nodename"
114 #define SANDBOX_BUCK3_PLATNAME	"buck_SUPPLY_1.5V"
115 /* LDO names */
116 #define SANDBOX_LDO1_DEVNAME	"ldo1"
117 #define SANDBOX_LDO1_PLATNAME	"VDD_EMMC_1.8V"
118 #define SANDBOX_LDO2_DEVNAME	"ldo2"
119 #define SANDBOX_LDO2_PLATNAME	"VDD_LCD_3.3V"
120 
121 /*
122  * Expected regulators setup after call of:
123  * - regulator_autoset_by_name()
124  * - regulator_list_autoset()
125  */
126 
127 /* BUCK1: for testing regulator_autoset_by_name() */
128 #define SANDBOX_BUCK1_AUTOSET_EXPECTED_UV	1200000
129 #define SANDBOX_BUCK1_AUTOSET_EXPECTED_UA	200000
130 #define SANDBOX_BUCK1_AUTOSET_EXPECTED_ENABLE	true
131 
132 /* BUCK2: for testing sandbox ADC's supply */
133 #define SANDBOX_BUCK2_INITIAL_EXPECTED_UV	3000000
134 #define SANDBOX_BUCK2_SET_UV			3300000
135 
136 /* LDO1/2 for testing regulator_list_autoset() */
137 #define SANDBOX_LDO1_AUTOSET_EXPECTED_UV	1800000
138 #define SANDBOX_LDO1_AUTOSET_EXPECTED_UA	100000
139 #define SANDBOX_LDO1_AUTOSET_EXPECTED_ENABLE	true
140 
141 #define SANDBOX_LDO2_AUTOSET_EXPECTED_UV	3000000
142 #define SANDBOX_LDO2_AUTOSET_EXPECTED_UA	-ENOSYS
143 #define SANDBOX_LDO2_AUTOSET_EXPECTED_ENABLE	false
144 
145 #endif
146