1 /* SPDX-License-Identifier: GPL-2.0-or-later * 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /* Copyright (C) 2018 ROHM Semiconductors */ 2 /* Copyright (C) 2018 ROHM Semiconductors */
3 3
4 #ifndef __LINUX_MFD_ROHM_H__ 4 #ifndef __LINUX_MFD_ROHM_H__
5 #define __LINUX_MFD_ROHM_H__ 5 #define __LINUX_MFD_ROHM_H__
6 6
7 #include <linux/regmap.h> 7 #include <linux/regmap.h>
8 #include <linux/regulator/driver.h> 8 #include <linux/regulator/driver.h>
9 9
10 enum rohm_chip_type { 10 enum rohm_chip_type {
11 ROHM_CHIP_TYPE_BD9571, !! 11 ROHM_CHIP_TYPE_BD71837 = 0,
12 ROHM_CHIP_TYPE_BD9573, <<
13 ROHM_CHIP_TYPE_BD9574, <<
14 ROHM_CHIP_TYPE_BD9576, <<
15 ROHM_CHIP_TYPE_BD71815, <<
16 ROHM_CHIP_TYPE_BD71828, <<
17 ROHM_CHIP_TYPE_BD71837, <<
18 ROHM_CHIP_TYPE_BD71847, 12 ROHM_CHIP_TYPE_BD71847,
19 ROHM_CHIP_TYPE_BD96801, !! 13 ROHM_CHIP_TYPE_BD70528,
>> 14 ROHM_CHIP_TYPE_BD71828,
20 ROHM_CHIP_TYPE_AMOUNT 15 ROHM_CHIP_TYPE_AMOUNT
21 }; 16 };
22 17
23 struct rohm_regmap_dev { 18 struct rohm_regmap_dev {
24 struct device *dev; 19 struct device *dev;
25 struct regmap *regmap; 20 struct regmap *regmap;
26 }; 21 };
27 22
28 #define ROHM_DVS_LEVEL_RUN BIT(0) !! 23 enum {
29 #define ROHM_DVS_LEVEL_IDLE BIT(1) !! 24 ROHM_DVS_LEVEL_UNKNOWN,
30 #define ROHM_DVS_LEVEL_SUSPEND BIT(2) !! 25 ROHM_DVS_LEVEL_RUN,
31 #define ROHM_DVS_LEVEL_LPSR BIT(3) !! 26 ROHM_DVS_LEVEL_IDLE,
32 #define ROHM_DVS_LEVEL_SNVS BIT(4) !! 27 ROHM_DVS_LEVEL_SUSPEND,
33 #define ROHM_DVS_LEVEL_VALID_AMOUNT 5 !! 28 ROHM_DVS_LEVEL_LPSR,
34 #define ROHM_DVS_LEVEL_UNKNOWN 0 !! 29 ROHM_DVS_LEVEL_MAX = ROHM_DVS_LEVEL_LPSR,
>> 30 };
35 31
36 /** 32 /**
37 * struct rohm_dvs_config - dynamic voltage sc 33 * struct rohm_dvs_config - dynamic voltage scaling register descriptions
38 * 34 *
39 * @level_map: bitmap representing su 35 * @level_map: bitmap representing supported run-levels for this
40 * regulator 36 * regulator
41 * @run_reg: register address for r 37 * @run_reg: register address for regulator config at 'run' state
42 * @run_mask: value mask for regulat 38 * @run_mask: value mask for regulator voltages at 'run' state
43 * @run_on_mask: enable mask for regula 39 * @run_on_mask: enable mask for regulator at 'run' state
44 * @idle_reg: register address for r 40 * @idle_reg: register address for regulator config at 'idle' state
45 * @idle_mask: value mask for regulat 41 * @idle_mask: value mask for regulator voltages at 'idle' state
46 * @idle_on_mask: enable mask for regula 42 * @idle_on_mask: enable mask for regulator at 'idle' state
47 * @suspend_reg: register address for r 43 * @suspend_reg: register address for regulator config at 'suspend' state
48 * @suspend_mask: value mask for regulat 44 * @suspend_mask: value mask for regulator voltages at 'suspend' state
49 * @suspend_on_mask: enable mask for regula 45 * @suspend_on_mask: enable mask for regulator at 'suspend' state
50 * @lpsr_reg: register address for r 46 * @lpsr_reg: register address for regulator config at 'lpsr' state
51 * @lpsr_mask: value mask for regulat 47 * @lpsr_mask: value mask for regulator voltages at 'lpsr' state
52 * @lpsr_on_mask: enable mask for regula 48 * @lpsr_on_mask: enable mask for regulator at 'lpsr' state
53 * 49 *
54 * Description of ROHM PMICs voltage configura 50 * Description of ROHM PMICs voltage configuration registers for different
55 * system states. This is used to correctly co 51 * system states. This is used to correctly configure the PMIC at startup
56 * based on values read from DT. 52 * based on values read from DT.
57 */ 53 */
58 struct rohm_dvs_config { 54 struct rohm_dvs_config {
59 uint64_t level_map; 55 uint64_t level_map;
60 unsigned int run_reg; 56 unsigned int run_reg;
61 unsigned int run_mask; 57 unsigned int run_mask;
62 unsigned int run_on_mask; 58 unsigned int run_on_mask;
63 unsigned int idle_reg; 59 unsigned int idle_reg;
64 unsigned int idle_mask; 60 unsigned int idle_mask;
65 unsigned int idle_on_mask; 61 unsigned int idle_on_mask;
66 unsigned int suspend_reg; 62 unsigned int suspend_reg;
67 unsigned int suspend_mask; 63 unsigned int suspend_mask;
68 unsigned int suspend_on_mask; 64 unsigned int suspend_on_mask;
69 unsigned int lpsr_reg; 65 unsigned int lpsr_reg;
70 unsigned int lpsr_mask; 66 unsigned int lpsr_mask;
71 unsigned int lpsr_on_mask; 67 unsigned int lpsr_on_mask;
72 unsigned int snvs_reg; <<
73 unsigned int snvs_mask; <<
74 unsigned int snvs_on_mask; <<
75 }; 68 };
76 69
77 #if IS_ENABLED(CONFIG_REGULATOR_ROHM) 70 #if IS_ENABLED(CONFIG_REGULATOR_ROHM)
78 int rohm_regulator_set_dvs_levels(const struct 71 int rohm_regulator_set_dvs_levels(const struct rohm_dvs_config *dvs,
79 struct devic 72 struct device_node *np,
80 const struct 73 const struct regulator_desc *desc,
81 struct regma 74 struct regmap *regmap);
82 75
83 int rohm_regulator_set_voltage_sel_restricted( !! 76 #else
84 !! 77 static inline int rohm_regulator_set_dvs_levels(const struct rohm_dvs_config *dvs,
>> 78 struct device_node *np,
>> 79 const struct regulator_desc *desc,
>> 80 struct regmap *regmap)
>> 81 {
>> 82 return 0;
>> 83 }
85 #endif 84 #endif
86 85
87 #endif 86 #endif
88 87
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