Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
regulator: bd96801: Support ROHM BD96805 PMIC
The ROHM BD96805 is from the software perspective almost identical to
the ROHM BD96801. The main difference is different voltage tuning
ranges.
Add support differentiating these PMICs and provide correct voltages
for both models.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/eab1369557b14a9762c41a5429d1ac87a4644d9e.1744090658.git.mazziesaccount@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>
authored by
Matti Vaittinen
and committed by
Lee Jones
7baf818d
6a309b48
+208
+208
drivers/regulator/bd96801-regulator.c
+208
drivers/regulator/bd96801-regulator.c
···
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#define BD96801_LDO6_VSEL_REG 0x26
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#define BD96801_LDO7_VSEL_REG 0x27
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#define BD96801_BUCK_VSEL_MASK 0x1F
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+
#define BD96805_BUCK_VSEL_MASK 0x3f
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#define BD96801_LDO_VSEL_MASK 0xff
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#define BD96801_MASK_RAMP_DELAY 0xc0
···
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#define BD96801_BUCK_INT_VOUT_MASK 0xff
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#define BD96801_BUCK_VOLTS 256
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#define BD96805_BUCK_VOLTS 64
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#define BD96801_LDO_VOLTS 256
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#define BD96801_OVP_MASK 0x03
···
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/* BD96802 uses same voltage ranges for bucks as BD96801 */
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#define bd96802_tune_volts bd96801_tune_volts
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#define bd96802_buck_init_volts bd96801_buck_init_volts
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+
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/*
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* On BD96805 we have similar "negative tuning range" as on BD96801, except
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+
* that the max tuning is -310 ... +310 mV (instead of the 150mV). We use same
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* approach as with the BD96801 ranges.
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*/
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static const struct linear_range bd96805_tune_volts[] = {
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REGULATOR_LINEAR_RANGE(310000, 0x00, 0x1F, 10000),
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REGULATOR_LINEAR_RANGE(0, 0x20, 0x3F, 10000),
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};
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+
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static const struct linear_range bd96805_buck_init_volts[] = {
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REGULATOR_LINEAR_RANGE(500000 - 310000, 0x00, 0xc8, 5000),
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REGULATOR_LINEAR_RANGE(1550000 - 310000, 0xc9, 0xec, 50000),
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REGULATOR_LINEAR_RANGE(3300000 - 310000, 0xed, 0xff, 0),
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};
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+
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static const struct linear_range bd96801_ldo_int_volts[] = {
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REGULATOR_LINEAR_RANGE(300000, 0x00, 0x78, 25000),
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REGULATOR_LINEAR_RANGE(3300000, 0x79, 0xff, 0),
···
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.num_regulators = 7,
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};
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static const struct bd96801_pmic_data bd96805_data = {
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.regulator_data = {
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{
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.desc = {
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.name = "buck1",
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.of_match = of_match_ptr("buck1"),
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.regulators_node = of_match_ptr("regulators"),
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.id = BD96801_BUCK1,
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.ops = &bd96801_buck_ops,
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.type = REGULATOR_VOLTAGE,
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.linear_ranges = bd96805_tune_volts,
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.n_linear_ranges = ARRAY_SIZE(bd96805_tune_volts),
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.n_voltages = BD96805_BUCK_VOLTS,
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.enable_reg = BD96801_REG_ENABLE,
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.enable_mask = BD96801_BUCK1_EN_MASK,
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.enable_is_inverted = true,
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.vsel_reg = BD96801_BUCK1_VSEL_REG,
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.vsel_mask = BD96805_BUCK_VSEL_MASK,
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.ramp_reg = BD96801_BUCK1_VSEL_REG,
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.ramp_mask = BD96801_MASK_RAMP_DELAY,
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.ramp_delay_table = &buck_ramp_table[0],
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.n_ramp_values = ARRAY_SIZE(buck_ramp_table),
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.owner = THIS_MODULE,
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+
},
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.init_ranges = bd96805_buck_init_volts,
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.num_ranges = ARRAY_SIZE(bd96805_buck_init_volts),
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.irq_desc = {
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.irqinfo = (struct bd96801_irqinfo *)&buck1_irqinfo[0],
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.num_irqs = ARRAY_SIZE(buck1_irqinfo),
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},
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}, {
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.desc = {
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.name = "buck2",
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.of_match = of_match_ptr("buck2"),
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.regulators_node = of_match_ptr("regulators"),
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.id = BD96801_BUCK2,
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.ops = &bd96801_buck_ops,
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.type = REGULATOR_VOLTAGE,
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.linear_ranges = bd96805_tune_volts,
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.n_linear_ranges = ARRAY_SIZE(bd96805_tune_volts),
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+
.n_voltages = BD96805_BUCK_VOLTS,
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.enable_reg = BD96801_REG_ENABLE,
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.enable_mask = BD96801_BUCK2_EN_MASK,
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.enable_is_inverted = true,
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.vsel_reg = BD96801_BUCK2_VSEL_REG,
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.vsel_mask = BD96805_BUCK_VSEL_MASK,
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.ramp_reg = BD96801_BUCK2_VSEL_REG,
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.ramp_mask = BD96801_MASK_RAMP_DELAY,
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.ramp_delay_table = &buck_ramp_table[0],
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.n_ramp_values = ARRAY_SIZE(buck_ramp_table),
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.owner = THIS_MODULE,
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},
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.irq_desc = {
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.irqinfo = (struct bd96801_irqinfo *)&buck2_irqinfo[0],
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.num_irqs = ARRAY_SIZE(buck2_irqinfo),
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},
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.init_ranges = bd96805_buck_init_volts,
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.num_ranges = ARRAY_SIZE(bd96805_buck_init_volts),
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}, {
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.desc = {
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.name = "buck3",
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.of_match = of_match_ptr("buck3"),
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.regulators_node = of_match_ptr("regulators"),
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.id = BD96801_BUCK3,
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.ops = &bd96801_buck_ops,
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.type = REGULATOR_VOLTAGE,
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.linear_ranges = bd96805_tune_volts,
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.n_linear_ranges = ARRAY_SIZE(bd96805_tune_volts),
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.n_voltages = BD96805_BUCK_VOLTS,
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.enable_reg = BD96801_REG_ENABLE,
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.enable_mask = BD96801_BUCK3_EN_MASK,
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.enable_is_inverted = true,
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.vsel_reg = BD96801_BUCK3_VSEL_REG,
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.vsel_mask = BD96805_BUCK_VSEL_MASK,
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.ramp_reg = BD96801_BUCK3_VSEL_REG,
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.ramp_mask = BD96801_MASK_RAMP_DELAY,
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.ramp_delay_table = &buck_ramp_table[0],
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.n_ramp_values = ARRAY_SIZE(buck_ramp_table),
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.owner = THIS_MODULE,
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},
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.irq_desc = {
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.irqinfo = (struct bd96801_irqinfo *)&buck3_irqinfo[0],
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.num_irqs = ARRAY_SIZE(buck3_irqinfo),
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},
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.init_ranges = bd96805_buck_init_volts,
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.num_ranges = ARRAY_SIZE(bd96805_buck_init_volts),
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}, {
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.desc = {
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.name = "buck4",
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.of_match = of_match_ptr("buck4"),
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.regulators_node = of_match_ptr("regulators"),
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.id = BD96801_BUCK4,
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.ops = &bd96801_buck_ops,
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.type = REGULATOR_VOLTAGE,
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.linear_ranges = bd96805_tune_volts,
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.n_linear_ranges = ARRAY_SIZE(bd96805_tune_volts),
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.n_voltages = BD96805_BUCK_VOLTS,
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.enable_reg = BD96801_REG_ENABLE,
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.enable_mask = BD96801_BUCK4_EN_MASK,
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.enable_is_inverted = true,
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.vsel_reg = BD96801_BUCK4_VSEL_REG,
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.vsel_mask = BD96805_BUCK_VSEL_MASK,
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.ramp_reg = BD96801_BUCK4_VSEL_REG,
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.ramp_mask = BD96801_MASK_RAMP_DELAY,
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.ramp_delay_table = &buck_ramp_table[0],
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.n_ramp_values = ARRAY_SIZE(buck_ramp_table),
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.owner = THIS_MODULE,
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},
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.irq_desc = {
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.irqinfo = (struct bd96801_irqinfo *)&buck4_irqinfo[0],
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.num_irqs = ARRAY_SIZE(buck4_irqinfo),
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},
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.init_ranges = bd96805_buck_init_volts,
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.num_ranges = ARRAY_SIZE(bd96805_buck_init_volts),
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}, {
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.desc = {
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.name = "ldo5",
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.of_match = of_match_ptr("ldo5"),
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.regulators_node = of_match_ptr("regulators"),
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.id = BD96801_LDO5,
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.ops = &bd96801_ldo_ops,
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.type = REGULATOR_VOLTAGE,
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.linear_ranges = bd96801_ldo_int_volts,
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.n_linear_ranges = ARRAY_SIZE(bd96801_ldo_int_volts),
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.n_voltages = BD96801_LDO_VOLTS,
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.enable_reg = BD96801_REG_ENABLE,
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.enable_mask = BD96801_LDO5_EN_MASK,
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.enable_is_inverted = true,
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.vsel_reg = BD96801_LDO5_VSEL_REG,
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.vsel_mask = BD96801_LDO_VSEL_MASK,
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.owner = THIS_MODULE,
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},
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.irq_desc = {
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.irqinfo = (struct bd96801_irqinfo *)&ldo5_irqinfo[0],
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.num_irqs = ARRAY_SIZE(ldo5_irqinfo),
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},
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.ldo_vol_lvl = BD96801_LDO5_VOL_LVL_REG,
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+
}, {
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.desc = {
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.name = "ldo6",
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+
.of_match = of_match_ptr("ldo6"),
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.regulators_node = of_match_ptr("regulators"),
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+
.id = BD96801_LDO6,
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.ops = &bd96801_ldo_ops,
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.type = REGULATOR_VOLTAGE,
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.linear_ranges = bd96801_ldo_int_volts,
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+
.n_linear_ranges = ARRAY_SIZE(bd96801_ldo_int_volts),
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+
.n_voltages = BD96801_LDO_VOLTS,
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+
.enable_reg = BD96801_REG_ENABLE,
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+
.enable_mask = BD96801_LDO6_EN_MASK,
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+
.enable_is_inverted = true,
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.vsel_reg = BD96801_LDO6_VSEL_REG,
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+
.vsel_mask = BD96801_LDO_VSEL_MASK,
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.owner = THIS_MODULE,
916
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},
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.irq_desc = {
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.irqinfo = (struct bd96801_irqinfo *)&ldo6_irqinfo[0],
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+
.num_irqs = ARRAY_SIZE(ldo6_irqinfo),
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+
},
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.ldo_vol_lvl = BD96801_LDO6_VOL_LVL_REG,
922
+
}, {
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.desc = {
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.name = "ldo7",
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+
.of_match = of_match_ptr("ldo7"),
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+
.regulators_node = of_match_ptr("regulators"),
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+
.id = BD96801_LDO7,
928
+
.ops = &bd96801_ldo_ops,
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+
.type = REGULATOR_VOLTAGE,
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+
.linear_ranges = bd96801_ldo_int_volts,
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+
.n_linear_ranges = ARRAY_SIZE(bd96801_ldo_int_volts),
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+
.n_voltages = BD96801_LDO_VOLTS,
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+
.enable_reg = BD96801_REG_ENABLE,
934
+
.enable_mask = BD96801_LDO7_EN_MASK,
935
+
.enable_is_inverted = true,
936
+
.vsel_reg = BD96801_LDO7_VSEL_REG,
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.vsel_mask = BD96801_LDO_VSEL_MASK,
938
+
.owner = THIS_MODULE,
939
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},
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.irq_desc = {
941
+
.irqinfo = (struct bd96801_irqinfo *)&ldo7_irqinfo[0],
942
+
.num_irqs = ARRAY_SIZE(ldo7_irqinfo),
943
+
},
944
+
.ldo_vol_lvl = BD96801_LDO7_VOL_LVL_REG,
945
+
},
946
+
},
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.num_regulators = 7,
948
+
};
949
+
781
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static int initialize_pmic_data(struct platform_device *pdev,
782
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struct bd96801_pmic_data *pdata)
783
952
{
···
1263
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static const struct platform_device_id bd96801_pmic_id[] = {
1264
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{ "bd96801-regulator", (kernel_ulong_t)&bd96801_data },
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{ "bd96802-regulator", (kernel_ulong_t)&bd96802_data },
1059
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{ "bd96805-regulator", (kernel_ulong_t)&bd96805_data },
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{ },
1267
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};
1268
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MODULE_DEVICE_TABLE(platform, bd96801_pmic_id);