1 // SPDX-License-Identifier: GPL-2.0
5 #include <linux/mfd/rohm-generic.h>
21 		if (ret != -EINVAL)  in set_dvs_level()
35 		return -EINVAL;  in set_dvs_level()
37 	for (i = 0; i < desc->n_voltages; i++) {  in set_dvs_level()
38 		/* NOTE to next hacker - Does not support pickable ranges */  in set_dvs_level()
39 		if (desc->linear_range_selectors_bitfield)  in set_dvs_level()
40 			return -EINVAL;  in set_dvs_level()
41 		if (desc->n_linear_ranges)  in set_dvs_level()
48 			i <<= ffs(desc->vsel_mask) - 1;  in set_dvs_level()
66 	unsigned int reg, mask, omask, oreg = desc->enable_reg;  in rohm_regulator_set_dvs_levels()
72 		if (dvs->level_map & bit) {  in rohm_regulator_set_dvs_levels()
75 				prop = "rohm,dvs-run-voltage";  in rohm_regulator_set_dvs_levels()
76 				reg = dvs->run_reg;  in rohm_regulator_set_dvs_levels()
77 				mask = dvs->run_mask;  in rohm_regulator_set_dvs_levels()
78 				omask = dvs->run_on_mask;  in rohm_regulator_set_dvs_levels()
81 				prop = "rohm,dvs-idle-voltage";  in rohm_regulator_set_dvs_levels()
82 				reg = dvs->idle_reg;  in rohm_regulator_set_dvs_levels()
83 				mask = dvs->idle_mask;  in rohm_regulator_set_dvs_levels()
84 				omask = dvs->idle_on_mask;  in rohm_regulator_set_dvs_levels()
87 				prop = "rohm,dvs-suspend-voltage";  in rohm_regulator_set_dvs_levels()
88 				reg = dvs->suspend_reg;  in rohm_regulator_set_dvs_levels()
89 				mask = dvs->suspend_mask;  in rohm_regulator_set_dvs_levels()
90 				omask = dvs->suspend_on_mask;  in rohm_regulator_set_dvs_levels()
93 				prop = "rohm,dvs-lpsr-voltage";  in rohm_regulator_set_dvs_levels()
94 				reg = dvs->lpsr_reg;  in rohm_regulator_set_dvs_levels()
95 				mask = dvs->lpsr_mask;  in rohm_regulator_set_dvs_levels()
96 				omask = dvs->lpsr_on_mask;  in rohm_regulator_set_dvs_levels()
99 				prop = "rohm,dvs-snvs-voltage";  in rohm_regulator_set_dvs_levels()
100 				reg = dvs->snvs_reg;  in rohm_regulator_set_dvs_levels()
101 				mask = dvs->snvs_mask;  in rohm_regulator_set_dvs_levels()
102 				omask = dvs->snvs_on_mask;  in rohm_regulator_set_dvs_levels()
105 				return -EINVAL;  in rohm_regulator_set_dvs_levels()
116  * Few ROHM PMIC ICs have constrains on voltage changing:
117  * BD71837 - only buck 1-4 voltages can be changed when they are enabled.
119  * BD96801 - LDO voltage levels can be changed when LDOs are disabled.
124 	if (rdev->desc->ops->is_enabled(rdev))  in rohm_regulator_set_voltage_sel_restricted()
125 		return -EBUSY;  in rohm_regulator_set_voltage_sel_restricted()
133 MODULE_DESCRIPTION("Generic helpers for ROHM PMIC regulator drivers");