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regulator: rt5033: Use linear ranges to map all voltage selection 

Instead of linear mapping, Use linear range to map all voltage selection.

Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
Reviewed-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/1625553939-9109-1-git-send-email-u0084500@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
ChiYuan Huang 2021-07-06 14:45:39 +08:00 committed by Mark Brown
parent e301df7647
commit 6eb891cf73
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GPG Key ID: 24D68B725D5487D0
2 changed files with 17 additions and 8 deletions
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21
drivers/regulator/rt5033-regulator.c
View File

@ -13,6 +13,16 @@
#include <linux/mfd/rt5033-private.h>
#include <linux/regulator/of_regulator.h>
static const struct linear_range rt5033_buck_ranges[] = {
REGULATOR_LINEAR_RANGE(1000000, 0, 20, 100000),
REGULATOR_LINEAR_RANGE(3000000, 21, 31, 0),
};
static const struct linear_range rt5033_ldo_ranges[] = {
REGULATOR_LINEAR_RANGE(1200000, 0, 18, 100000),
REGULATOR_LINEAR_RANGE(3000000, 19, 31, 0),
};
static const struct regulator_ops rt5033_safe_ldo_ops = {
.is_enabled = regulator_is_enabled_regmap,
.enable = regulator_enable_regmap,
@ -24,8 +34,7 @@ static const struct regulator_ops rt5033_buck_ops = {
.is_enabled = regulator_is_enabled_regmap,
.enable = regulator_enable_regmap,
.disable = regulator_disable_regmap,
.list_voltage = regulator_list_voltage_linear,
.map_voltage = regulator_map_voltage_linear,
.list_voltage = regulator_list_voltage_linear_range,
.get_voltage_sel = regulator_get_voltage_sel_regmap,
.set_voltage_sel = regulator_set_voltage_sel_regmap,
};
@ -40,8 +49,8 @@ static const struct regulator_desc rt5033_supported_regulators[] = {
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
.n_voltages = RT5033_REGULATOR_BUCK_VOLTAGE_STEP_NUM,
.min_uV = RT5033_REGULATOR_BUCK_VOLTAGE_MIN,
.uV_step = RT5033_REGULATOR_BUCK_VOLTAGE_STEP,
.linear_ranges = rt5033_buck_ranges,
.n_linear_ranges = ARRAY_SIZE(rt5033_buck_ranges),
.enable_reg = RT5033_REG_CTRL,
.enable_mask = RT5033_CTRL_EN_BUCK_MASK,
.vsel_reg = RT5033_REG_BUCK_CTRL,
@ -56,8 +65,8 @@ static const struct regulator_desc rt5033_supported_regulators[] = {
.type = REGULATOR_VOLTAGE,
.owner = THIS_MODULE,
.n_voltages = RT5033_REGULATOR_LDO_VOLTAGE_STEP_NUM,
.min_uV = RT5033_REGULATOR_LDO_VOLTAGE_MIN,
.uV_step = RT5033_REGULATOR_LDO_VOLTAGE_STEP,
.linear_ranges = rt5033_ldo_ranges,
.n_linear_ranges = ARRAY_SIZE(rt5033_ldo_ranges),
.enable_reg = RT5033_REG_CTRL,
.enable_mask = RT5033_CTRL_EN_LDO_MASK,
.vsel_reg = RT5033_REG_LDO_CTRL,

4
include/linux/mfd/rt5033-private.h
View File

@ -200,13 +200,13 @@ enum rt5033_reg {
#define RT5033_REGULATOR_BUCK_VOLTAGE_MIN 1000000U
#define RT5033_REGULATOR_BUCK_VOLTAGE_MAX 3000000U
#define RT5033_REGULATOR_BUCK_VOLTAGE_STEP 100000U
#define RT5033_REGULATOR_BUCK_VOLTAGE_STEP_NUM 21
#define RT5033_REGULATOR_BUCK_VOLTAGE_STEP_NUM 32
/* RT5033 regulator LDO output voltage uV */
#define RT5033_REGULATOR_LDO_VOLTAGE_MIN 1200000U
#define RT5033_REGULATOR_LDO_VOLTAGE_MAX 3000000U
#define RT5033_REGULATOR_LDO_VOLTAGE_STEP 100000U
#define RT5033_REGULATOR_LDO_VOLTAGE_STEP_NUM 19
#define RT5033_REGULATOR_LDO_VOLTAGE_STEP_NUM 32
/* RT5033 regulator SAFE LDO output voltage uV */
#define RT5033_REGULATOR_SAFE_LDO_VOLTAGE 4900000U