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_BD9571,
12 ROHM_CHIP_TYPE_BD9573, 12 ROHM_CHIP_TYPE_BD9573,
13 ROHM_CHIP_TYPE_BD9574, 13 ROHM_CHIP_TYPE_BD9574,
14 ROHM_CHIP_TYPE_BD9576, 14 ROHM_CHIP_TYPE_BD9576,
15 ROHM_CHIP_TYPE_BD71815, 15 ROHM_CHIP_TYPE_BD71815,
16 ROHM_CHIP_TYPE_BD71828, 16 ROHM_CHIP_TYPE_BD71828,
17 ROHM_CHIP_TYPE_BD71837, 17 ROHM_CHIP_TYPE_BD71837,
18 ROHM_CHIP_TYPE_BD71847, 18 ROHM_CHIP_TYPE_BD71847,
19 ROHM_CHIP_TYPE_BD96801, 19 ROHM_CHIP_TYPE_BD96801,
20 ROHM_CHIP_TYPE_AMOUNT 20 ROHM_CHIP_TYPE_AMOUNT
21 }; 21 };
22 22
23 struct rohm_regmap_dev { 23 struct rohm_regmap_dev {
24 struct device *dev; 24 struct device *dev;
25 struct regmap *regmap; 25 struct regmap *regmap;
26 }; 26 };
27 27
28 #define ROHM_DVS_LEVEL_RUN BIT(0) 28 #define ROHM_DVS_LEVEL_RUN BIT(0)
29 #define ROHM_DVS_LEVEL_IDLE BIT(1) 29 #define ROHM_DVS_LEVEL_IDLE BIT(1)
30 #define ROHM_DVS_LEVEL_SUSPEND BIT(2) 30 #define ROHM_DVS_LEVEL_SUSPEND BIT(2)
31 #define ROHM_DVS_LEVEL_LPSR BIT(3) 31 #define ROHM_DVS_LEVEL_LPSR BIT(3)
32 #define ROHM_DVS_LEVEL_SNVS BIT(4) 32 #define ROHM_DVS_LEVEL_SNVS BIT(4)
33 #define ROHM_DVS_LEVEL_VALID_AMOUNT 5 33 #define ROHM_DVS_LEVEL_VALID_AMOUNT 5
34 #define ROHM_DVS_LEVEL_UNKNOWN 0 34 #define ROHM_DVS_LEVEL_UNKNOWN 0
35 35
36 /** 36 /**
37 * struct rohm_dvs_config - dynamic voltage sc 37 * struct rohm_dvs_config - dynamic voltage scaling register descriptions
38 * 38 *
39 * @level_map: bitmap representing su 39 * @level_map: bitmap representing supported run-levels for this
40 * regulator 40 * regulator
41 * @run_reg: register address for r 41 * @run_reg: register address for regulator config at 'run' state
42 * @run_mask: value mask for regulat 42 * @run_mask: value mask for regulator voltages at 'run' state
43 * @run_on_mask: enable mask for regula 43 * @run_on_mask: enable mask for regulator at 'run' state
44 * @idle_reg: register address for r 44 * @idle_reg: register address for regulator config at 'idle' state
45 * @idle_mask: value mask for regulat 45 * @idle_mask: value mask for regulator voltages at 'idle' state
46 * @idle_on_mask: enable mask for regula 46 * @idle_on_mask: enable mask for regulator at 'idle' state
47 * @suspend_reg: register address for r 47 * @suspend_reg: register address for regulator config at 'suspend' state
48 * @suspend_mask: value mask for regulat 48 * @suspend_mask: value mask for regulator voltages at 'suspend' state
49 * @suspend_on_mask: enable mask for regula 49 * @suspend_on_mask: enable mask for regulator at 'suspend' state
50 * @lpsr_reg: register address for r 50 * @lpsr_reg: register address for regulator config at 'lpsr' state
51 * @lpsr_mask: value mask for regulat 51 * @lpsr_mask: value mask for regulator voltages at 'lpsr' state
52 * @lpsr_on_mask: enable mask for regula 52 * @lpsr_on_mask: enable mask for regulator at 'lpsr' state
53 * 53 *
54 * Description of ROHM PMICs voltage configura 54 * Description of ROHM PMICs voltage configuration registers for different
55 * system states. This is used to correctly co 55 * system states. This is used to correctly configure the PMIC at startup
56 * based on values read from DT. 56 * based on values read from DT.
57 */ 57 */
58 struct rohm_dvs_config { 58 struct rohm_dvs_config {
59 uint64_t level_map; 59 uint64_t level_map;
60 unsigned int run_reg; 60 unsigned int run_reg;
61 unsigned int run_mask; 61 unsigned int run_mask;
62 unsigned int run_on_mask; 62 unsigned int run_on_mask;
63 unsigned int idle_reg; 63 unsigned int idle_reg;
64 unsigned int idle_mask; 64 unsigned int idle_mask;
65 unsigned int idle_on_mask; 65 unsigned int idle_on_mask;
66 unsigned int suspend_reg; 66 unsigned int suspend_reg;
67 unsigned int suspend_mask; 67 unsigned int suspend_mask;
68 unsigned int suspend_on_mask; 68 unsigned int suspend_on_mask;
69 unsigned int lpsr_reg; 69 unsigned int lpsr_reg;
70 unsigned int lpsr_mask; 70 unsigned int lpsr_mask;
71 unsigned int lpsr_on_mask; 71 unsigned int lpsr_on_mask;
72 unsigned int snvs_reg; 72 unsigned int snvs_reg;
73 unsigned int snvs_mask; 73 unsigned int snvs_mask;
74 unsigned int snvs_on_mask; 74 unsigned int snvs_on_mask;
75 }; 75 };
76 76
77 #if IS_ENABLED(CONFIG_REGULATOR_ROHM) 77 #if IS_ENABLED(CONFIG_REGULATOR_ROHM)
78 int rohm_regulator_set_dvs_levels(const struct 78 int rohm_regulator_set_dvs_levels(const struct rohm_dvs_config *dvs,
79 struct devic 79 struct device_node *np,
80 const struct 80 const struct regulator_desc *desc,
81 struct regma 81 struct regmap *regmap);
82 82
83 int rohm_regulator_set_voltage_sel_restricted( 83 int rohm_regulator_set_voltage_sel_restricted(struct regulator_dev *rdev,
84 84 unsigned int sel);
85 #endif 85 #endif
86 86
87 #endif 87 #endif
88 88
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