drivers/regulator/s2dos05-regulator.c

Source file repositories/reference/linux-study-clean/drivers/regulator/s2dos05-regulator.c

File Facts

System
Linux kernel
Corpus path
drivers/regulator/s2dos05-regulator.c
Extension
.c
Size
5111 bytes
Lines
166
Domain
Driver Families
Bucket
drivers/regulator
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct s2dos05_data {
	struct regmap *regmap;
	struct device *dev;
};

#define _BUCK(macro)	S2DOS05_BUCK##macro
#define _buck_ops(num)	s2dos05_ops##num
#define _LDO(macro)	S2DOS05_LDO##macro
#define _REG(ctrl)	S2DOS05_REG##ctrl
#define _ldo_ops(num)	s2dos05_ops##num
#define _MASK(macro)	S2DOS05_ENABLE_MASK##macro
#define _TIME(macro)	S2DOS05_ENABLE_TIME##macro

#define BUCK_DESC(_name, _id, _ops, m, s, v, e, em, t, a) {	\
	.name		= _name,				\
	.id		= _id,					\
	.ops		= _ops,					\
	.of_match = of_match_ptr(_name),			\
	.of_match_full_name = true,				\
	.regulators_node = of_match_ptr("regulators"),		\
	.type		= REGULATOR_VOLTAGE,			\
	.owner		= THIS_MODULE,				\
	.min_uV		= m,					\
	.uV_step	= s,					\
	.n_voltages	= S2DOS05_BUCK_N_VOLTAGES,		\
	.vsel_reg	= v,					\
	.vsel_mask	= S2DOS05_BUCK_VSEL_MASK,		\
	.enable_reg	= e,					\
	.enable_mask	= em,					\
	.enable_time	= t,					\
	.active_discharge_off = 0,				\
	.active_discharge_on = S2DOS05_BUCK_FD_MASK,		\
	.active_discharge_reg	= a,				\
	.active_discharge_mask	= S2DOS05_BUCK_FD_MASK		\
}

#define LDO_DESC(_name, _id, _ops, m, s, v, e, em, t, a) {	\
	.name		= _name,				\
	.id		= _id,					\
	.ops		= _ops,					\
	.of_match = of_match_ptr(_name),			\
	.of_match_full_name = true,				\
	.regulators_node = of_match_ptr("regulators"),		\
	.type		= REGULATOR_VOLTAGE,			\
	.owner		= THIS_MODULE,				\
	.min_uV		= m,					\
	.uV_step	= s,					\
	.n_voltages	= S2DOS05_LDO_N_VOLTAGES,		\
	.vsel_reg	= v,					\
	.vsel_mask	= S2DOS05_LDO_VSEL_MASK,		\
	.enable_reg	= e,					\
	.enable_mask	= em,					\
	.enable_time	= t,					\
	.active_discharge_off = 0,				\
	.active_discharge_on = S2DOS05_LDO_FD_MASK,		\
	.active_discharge_reg	= a,				\
	.active_discharge_mask	= S2DOS05_LDO_FD_MASK		\
}

static const struct regulator_ops s2dos05_ops = {
	.list_voltage		= regulator_list_voltage_linear,
	.map_voltage		= regulator_map_voltage_linear,
	.is_enabled		= regulator_is_enabled_regmap,
	.enable			= regulator_enable_regmap,
	.disable		= regulator_disable_regmap,
	.get_voltage_sel	= regulator_get_voltage_sel_regmap,
	.set_voltage_sel	= regulator_set_voltage_sel_regmap,
	.set_voltage_time_sel	= regulator_set_voltage_time_sel,
	.set_active_discharge	= regulator_set_active_discharge_regmap,
};

static const struct regulator_desc regulators[S2DOS05_REGULATOR_MAX] = {
		// name, id, ops, min_uv, uV_step, vsel_reg, enable_reg
		LDO_DESC("ldo1", _LDO(1), &_ldo_ops(), _LDO(_MIN1),
			_LDO(_STEP1), _REG(_LDO1_CFG),
			_REG(_EN), _MASK(_L1), _TIME(_LDO), _REG(_LDO1_CFG)),
		LDO_DESC("ldo2", _LDO(2), &_ldo_ops(), _LDO(_MIN1),
			_LDO(_STEP1), _REG(_LDO2_CFG),
			_REG(_EN), _MASK(_L2), _TIME(_LDO), _REG(_LDO2_CFG)),
		LDO_DESC("ldo3", _LDO(3), &_ldo_ops(), _LDO(_MIN2),
			_LDO(_STEP1), _REG(_LDO3_CFG),
			_REG(_EN), _MASK(_L3), _TIME(_LDO), _REG(_LDO3_CFG)),
		LDO_DESC("ldo4", _LDO(4), &_ldo_ops(), _LDO(_MIN2),
			_LDO(_STEP1), _REG(_LDO4_CFG),
			_REG(_EN), _MASK(_L4), _TIME(_LDO), _REG(_LDO4_CFG)),
		BUCK_DESC("buck", _BUCK(1), &_buck_ops(), _BUCK(_MIN1),
			_BUCK(_STEP1), _REG(_BUCK_VOUT),
			_REG(_EN), _MASK(_B1), _TIME(_BUCK), _REG(_BUCK_CFG)),
};

Annotation

Implementation Notes