shinys000114/odroid-linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

regulator: rk808: Add RK801 support

Browse Source 
Add support for rk801 to the existing rk808 regulator driver.
It provides 4 BUCK, 2 LDO and 1 SWITCH.

Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://patch.msgid.link/20260112124351.17707-4-chenjh@rock-chips.com
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Joseph Chen
2026-01-12 20:43:51 +08:00
committed by Lee Jones
parent 156442eb6e
commit 3e10bbd9c8
1 changed files with 243 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

243
drivers/regulator/rk808-regulator.c
View File

@@ -24,6 +24,9 @@
#include <linux/gpio/consumer.h>
/* Field definitions */
#define RK801_BUCK_VSEL_MASK 0x7f
#define RK801_LDO_VSEL_MASK 0x3f
#define RK808_BUCK_VSEL_MASK 0x3f
#define RK808_BUCK4_VSEL_MASK 0xf
#define RK808_LDO_VSEL_MASK 0x1f
@@ -158,6 +161,11 @@
RK8XX_DESC_COM(_id, _match, _supply, _min, _max, _step, _vreg, \
_vmask, _ereg, _emask, 0, 0, _etime, &rk808_reg_ops)
#define RK801_DESC(_id, _match, _supply, _min, _max, _step, _vreg, \
_vmask, _ereg, _emask, _disval, _etime) \
RK8XX_DESC_COM(_id, _match, _supply, _min, _max, _step, _vreg, \
_vmask, _ereg, _emask, _emask, _disval, _etime, &rk801_reg_ops)
#define RK816_DESC(_id, _match, _supply, _min, _max, _step, _vreg, \
_vmask, _ereg, _emask, _disval, _etime) \
RK8XX_DESC_COM(_id, _match, _supply, _min, _max, _step, _vreg, \
@@ -185,6 +193,11 @@
.ops = _ops \
}
#define RK801_DESC_SWITCH(_id, _match, _supply, _ereg, _emask, \
_disval) \
RKXX_DESC_SWITCH_COM(_id, _match, _supply, _ereg, _emask, \
_emask, _disval, &rk801_switch_ops)
#define RK817_DESC_SWITCH(_id, _match, _supply, _ereg, _emask, \
_disval) \
RKXX_DESC_SWITCH_COM(_id, _match, _supply, _ereg, _emask, \
@@ -802,6 +815,115 @@ static unsigned int rk8xx_regulator_of_map_mode(unsigned int mode)
}
}
static unsigned int rk801_get_mode(struct regulator_dev *rdev)
{
unsigned int val;
int err;
err = regmap_read(rdev->regmap, RK801_POWER_FPWM_EN_REG, &val);
if (err)
return err;
if (val & BIT(rdev->desc->id))
return REGULATOR_MODE_FAST;
else
return REGULATOR_MODE_NORMAL;
}
static int rk801_set_mode(struct regulator_dev *rdev, unsigned int mode)
{
unsigned int offset = rdev->desc->id;
switch (mode) {
case REGULATOR_MODE_FAST:
return regmap_update_bits(rdev->regmap, RK801_POWER_FPWM_EN_REG,
BIT(offset), RK801_FPWM_MODE << offset);
case REGULATOR_MODE_NORMAL:
return regmap_update_bits(rdev->regmap, RK801_POWER_FPWM_EN_REG,
BIT(offset), RK801_AUTO_PWM_MODE << offset);
default:
dev_err(&rdev->dev, "do not support this mode\n");
return -EINVAL;
}
return 0;
}
static int rk801_set_suspend_voltage(struct regulator_dev *rdev, int uv)
{
unsigned int reg;
int sel;
if (rdev->desc->id < RK801_ID_LDO1)
sel = regulator_map_voltage_linear_range(rdev, uv, uv);
else
sel = regulator_map_voltage_linear(rdev, uv, uv);
if (sel < 0)
return -EINVAL;
reg = rdev->desc->vsel_reg + RK801_SLP_REG_OFFSET;
return regmap_update_bits(rdev->regmap, reg,
rdev->desc->vsel_mask, sel);
}
static int rk801_set_suspend_enable(struct regulator_dev *rdev)
{
return regmap_update_bits(rdev->regmap, RK801_POWER_SLP_EN_REG,
BIT(rdev->desc->id), BIT(rdev->desc->id));
}
static int rk801_set_suspend_disable(struct regulator_dev *rdev)
{
return regmap_update_bits(rdev->regmap, RK801_POWER_SLP_EN_REG,
BIT(rdev->desc->id), 0);
}
static int rk801_set_voltage_time_sel(struct regulator_dev *rdev,
unsigned int old_selector,
unsigned int new_selector)
{
return regulator_set_voltage_time_sel(rdev, old_selector,
new_selector) + RK801_HW_SYNC_US;
}
static const struct regulator_ops rk801_buck_ops = {
.list_voltage = regulator_list_voltage_linear_range,
.map_voltage = regulator_map_voltage_linear_range,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage_sel = regulator_set_voltage_sel_regmap,
.set_voltage_time_sel = rk801_set_voltage_time_sel,
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
.set_mode = rk801_set_mode,
.get_mode = rk801_get_mode,
.set_suspend_voltage = rk801_set_suspend_voltage,
.set_suspend_enable = rk801_set_suspend_enable,
.set_suspend_disable = rk801_set_suspend_disable,
};
static const struct regulator_ops rk801_reg_ops = {
.list_voltage = regulator_list_voltage_linear,
.map_voltage = regulator_map_voltage_linear,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage_sel = regulator_set_voltage_sel_regmap,
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
.set_suspend_voltage = rk801_set_suspend_voltage,
.set_suspend_enable = rk801_set_suspend_enable,
.set_suspend_disable = rk801_set_suspend_disable,
};
static const struct regulator_ops rk801_switch_ops = {
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.is_enabled = regulator_is_enabled_regmap,
.set_suspend_enable = rk801_set_suspend_enable,
.set_suspend_disable = rk801_set_suspend_disable,
};
static const struct regulator_ops rk805_reg_ops = {
.list_voltage = regulator_list_voltage_linear,
.map_voltage = regulator_map_voltage_linear,
@@ -1049,6 +1171,123 @@ static const struct regulator_ops rk817_switch_ops = {
.set_suspend_disable = rk817_set_suspend_disable,
};
static const struct linear_range rk801_buck1_voltage_ranges[] = {
REGULATOR_LINEAR_RANGE(500000, 0, 80, 12500), /* 0.5v - 1.5v */
REGULATOR_LINEAR_RANGE(1800000, 81, 82, 400000),/* 1.8v - 2.2v */
REGULATOR_LINEAR_RANGE(3300000, 83, 83, 0), /* 3.3v */
REGULATOR_LINEAR_RANGE(5000000, 84, 84, 0), /* 5.0v */
REGULATOR_LINEAR_RANGE(5250000, 85, 85, 0), /* 5.25v */
};
static const struct linear_range rk801_buck2_voltage_ranges[] = {
REGULATOR_LINEAR_RANGE(800000, 0, 2, 50000), /* 0.8v - 0.9v */
REGULATOR_LINEAR_RANGE(1800000, 3, 4, 400000), /* 1.8v - 2.2v */
REGULATOR_LINEAR_RANGE(3300000, 5, 5, 0), /* 3.3v */
REGULATOR_LINEAR_RANGE(5000000, 6, 6, 0), /* 5.0v */
REGULATOR_LINEAR_RANGE(5250000, 7, 7, 0), /* 5.25v */
};
static const struct linear_range rk801_buck4_voltage_ranges[] = {
REGULATOR_LINEAR_RANGE(500000, 0, 80, 12500), /* 0.5v - 1.5v */
REGULATOR_LINEAR_RANGE(1800000, 81, 82, 400000),/* 1.8v - 2.2v */
REGULATOR_LINEAR_RANGE(2500000, 83, 83, 0), /* 2.5v */
REGULATOR_LINEAR_RANGE(2800000, 84, 84, 0), /* 2.8v */
REGULATOR_LINEAR_RANGE(3000000, 85, 85, 0), /* 3.0v */
REGULATOR_LINEAR_RANGE(3300000, 86, 86, 0), /* 3.3v */
};
static const struct regulator_desc rk801_reg[] = {
{
.name = "dcdc1",
.supply_name = "vcc1",
.of_match = of_match_ptr("dcdc1"),
.regulators_node = of_match_ptr("regulators"),
.id = RK801_ID_DCDC1,
.ops = &rk801_buck_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = 86,
.linear_ranges = rk801_buck1_voltage_ranges,
.n_linear_ranges = ARRAY_SIZE(rk801_buck1_voltage_ranges),
.vsel_reg = RK801_BUCK1_ON_VSEL_REG,
.vsel_mask = RK801_BUCK_VSEL_MASK,
.enable_reg = RK801_POWER_EN0_REG,
.enable_mask = ENABLE_MASK(RK801_ID_DCDC1),
.enable_val = ENABLE_MASK(RK801_ID_DCDC1),
.disable_val = DISABLE_VAL(RK801_ID_DCDC1),
.ramp_delay = 1000,
.of_map_mode = rk8xx_regulator_of_map_mode,
.enable_time = 400,
.owner = THIS_MODULE,
}, {
.name = "dcdc2",
.supply_name = "vcc2",
.of_match = of_match_ptr("dcdc2"),
.regulators_node = of_match_ptr("regulators"),
.id = RK801_ID_DCDC2,
.ops = &rk801_buck_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = 8,
.linear_ranges = rk801_buck2_voltage_ranges,
.n_linear_ranges = ARRAY_SIZE(rk801_buck2_voltage_ranges),
.vsel_reg = RK801_BUCK2_ON_VSEL_REG,
.vsel_mask = RK801_BUCK_VSEL_MASK,
.enable_reg = RK801_POWER_EN0_REG,
.enable_mask = ENABLE_MASK(RK801_ID_DCDC2),
.enable_val = ENABLE_MASK(RK801_ID_DCDC2),
.disable_val = DISABLE_VAL(RK801_ID_DCDC2),
.ramp_delay = 1000,
.of_map_mode = rk8xx_regulator_of_map_mode,
.enable_time = 400,
.owner = THIS_MODULE,
}, {
.name = "dcdc3",
.supply_name = "vcc3",
.of_match = of_match_ptr("dcdc3"),
.regulators_node = of_match_ptr("regulators"),
.id = RK801_ID_DCDC3,
.ops = &rk801_switch_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = 1,
.enable_reg = RK801_POWER_EN0_REG,
.enable_mask = ENABLE_MASK(RK801_ID_DCDC3),
.enable_val = ENABLE_MASK(RK801_ID_DCDC3),
.disable_val = DISABLE_VAL(RK801_ID_DCDC3),
.of_map_mode = rk8xx_regulator_of_map_mode,
.enable_time = 400,
.owner = THIS_MODULE,
}, {
.name = "dcdc4",
.supply_name = "vcc4",
.of_match = of_match_ptr("dcdc4"),
.regulators_node = of_match_ptr("regulators"),
.id = RK801_ID_DCDC4,
.ops = &rk801_buck_ops,
.type = REGULATOR_VOLTAGE,
.n_voltages = 87,
.linear_ranges = rk801_buck4_voltage_ranges,
.n_linear_ranges = ARRAY_SIZE(rk801_buck4_voltage_ranges),
.vsel_reg = RK801_BUCK4_ON_VSEL_REG,
.vsel_mask = RK801_BUCK_VSEL_MASK,
.enable_reg = RK801_POWER_EN0_REG,
.enable_mask = ENABLE_MASK(RK801_ID_DCDC4),
.enable_val = ENABLE_MASK(RK801_ID_DCDC4),
.disable_val = DISABLE_VAL(RK801_ID_DCDC4),
.ramp_delay = 1000,
.of_map_mode = rk8xx_regulator_of_map_mode,
.enable_time = 400,
.owner = THIS_MODULE,
},
RK801_DESC(RK801_ID_LDO1, "ldo1", "vcc5", 500, 3400, 50,
RK801_LDO1_ON_VSEL_REG, RK801_LDO_VSEL_MASK, RK801_POWER_EN1_REG,
ENABLE_MASK(0), DISABLE_VAL(0), 400),
RK801_DESC(RK801_ID_LDO2, "ldo2", "vcc6", 500, 3400, 50,
RK801_LDO2_ON_VSEL_REG, RK801_LDO_VSEL_MASK, RK801_POWER_EN1_REG,
ENABLE_MASK(1), DISABLE_VAL(1), 400),
RK801_DESC_SWITCH(RK801_ID_SWITCH, "switch", "vcc7", RK801_POWER_EN1_REG,
ENABLE_MASK(2), DISABLE_VAL(2)),
};
static const struct regulator_desc rk805_reg[] = {
{
.name = "DCDC_REG1",
@@ -1887,6 +2126,10 @@ static int rk808_regulator_probe(struct platform_device *pdev)
return -ENOMEM;
switch (rk808->variant) {
case RK801_ID:
regulators = rk801_reg;
nregulators = RK801_NUM_REGULATORS;
break;
case RK805_ID:
regulators = rk805_reg;
nregulators = RK805_NUM_REGULATORS;