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authorAxel Lin <axel.lin@ingics.com>2013-02-13 04:01:09 -0500
committerMark Brown <broonie@opensource.wolfsonmicro.com>2013-02-13 07:58:40 -0500
commitd94d9aca5bccba682b5a764c962bcdde7c4bf95a (patch)
tree9b3867a140bdec47a32759aff37bc7d18d9fa8ce /drivers/regulator
parentc51ce403d3d9e3d54339c4563f17e958f3bc64df (diff)
regulator: tps51632: Use regulator_[get|set]_voltage_sel_regmap
Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/regulator')
-rw-r--r--drivers/regulator/tps51632-regulator.c52
1 files changed, 8 insertions, 44 deletions
diff --git a/drivers/regulator/tps51632-regulator.c b/drivers/regulator/tps51632-regulator.c
index 7560d0768b77..6e67be75ea1b 100644
--- a/drivers/regulator/tps51632-regulator.c
+++ b/drivers/regulator/tps51632-regulator.c
@@ -88,49 +88,8 @@ struct tps51632_chip {
88 struct regulator_desc desc; 88 struct regulator_desc desc;
89 struct regulator_dev *rdev; 89 struct regulator_dev *rdev;
90 struct regmap *regmap; 90 struct regmap *regmap;
91 bool enable_pwm_dvfs;
92}; 91};
93 92
94static int tps51632_dcdc_get_voltage_sel(struct regulator_dev *rdev)
95{
96 struct tps51632_chip *tps = rdev_get_drvdata(rdev);
97 unsigned int data;
98 int ret;
99 unsigned int reg = TPS51632_VOLTAGE_SELECT_REG;
100 int vsel;
101
102 if (tps->enable_pwm_dvfs)
103 reg = TPS51632_VOLTAGE_BASE_REG;
104
105 ret = regmap_read(tps->regmap, reg, &data);
106 if (ret < 0) {
107 dev_err(tps->dev, "reg read failed, err %d\n", ret);
108 return ret;
109 }
110
111 vsel = data & TPS51632_VOUT_MASK;
112 return vsel;
113}
114
115static int tps51632_dcdc_set_voltage_sel(struct regulator_dev *rdev,
116 unsigned selector)
117{
118 struct tps51632_chip *tps = rdev_get_drvdata(rdev);
119 int ret;
120 unsigned int reg = TPS51632_VOLTAGE_SELECT_REG;
121
122 if (tps->enable_pwm_dvfs)
123 reg = TPS51632_VOLTAGE_BASE_REG;
124
125 if (selector > TPS51632_MAX_VSEL)
126 return -EINVAL;
127
128 ret = regmap_write(tps->regmap, reg, selector);
129 if (ret < 0)
130 dev_err(tps->dev, "reg write failed, err %d\n", ret);
131 return ret;
132}
133
134static int tps51632_dcdc_set_ramp_delay(struct regulator_dev *rdev, 93static int tps51632_dcdc_set_ramp_delay(struct regulator_dev *rdev,
135 int ramp_delay) 94 int ramp_delay)
136{ 95{
@@ -147,8 +106,8 @@ static int tps51632_dcdc_set_ramp_delay(struct regulator_dev *rdev,
147} 106}
148 107
149static struct regulator_ops tps51632_dcdc_ops = { 108static struct regulator_ops tps51632_dcdc_ops = {
150 .get_voltage_sel = tps51632_dcdc_get_voltage_sel, 109 .get_voltage_sel = regulator_get_voltage_sel_regmap,
151 .set_voltage_sel = tps51632_dcdc_set_voltage_sel, 110 .set_voltage_sel = regulator_set_voltage_sel_regmap,
152 .list_voltage = regulator_list_voltage_linear, 111 .list_voltage = regulator_list_voltage_linear,
153 .set_voltage_time_sel = regulator_set_voltage_time_sel, 112 .set_voltage_time_sel = regulator_set_voltage_time_sel,
154 .set_ramp_delay = tps51632_dcdc_set_ramp_delay, 113 .set_ramp_delay = tps51632_dcdc_set_ramp_delay,
@@ -165,7 +124,6 @@ static int tps51632_init_dcdc(struct tps51632_chip *tps,
165 goto skip_pwm_config; 124 goto skip_pwm_config;
166 125
167 control |= TPS51632_DVFS_PWMEN; 126 control |= TPS51632_DVFS_PWMEN;
168 tps->enable_pwm_dvfs = pdata->enable_pwm_dvfs;
169 vsel = TPS51632_VOLT_VSEL(pdata->base_voltage_uV); 127 vsel = TPS51632_VOLT_VSEL(pdata->base_voltage_uV);
170 ret = regmap_write(tps->regmap, TPS51632_VOLTAGE_BASE_REG, vsel); 128 ret = regmap_write(tps->regmap, TPS51632_VOLTAGE_BASE_REG, vsel);
171 if (ret < 0) { 129 if (ret < 0) {
@@ -358,6 +316,12 @@ static int tps51632_probe(struct i2c_client *client,
358 tps->desc.type = REGULATOR_VOLTAGE; 316 tps->desc.type = REGULATOR_VOLTAGE;
359 tps->desc.owner = THIS_MODULE; 317 tps->desc.owner = THIS_MODULE;
360 318
319 if (pdata->enable_pwm_dvfs)
320 tps->desc.vsel_reg = TPS51632_VOLTAGE_BASE_REG;
321 else
322 tps->desc.vsel_reg = TPS51632_VOLTAGE_SELECT_REG;
323 tps->desc.vsel_mask = TPS51632_VOUT_MASK;
324
361 tps->regmap = devm_regmap_init_i2c(client, &tps51632_regmap_config); 325 tps->regmap = devm_regmap_init_i2c(client, &tps51632_regmap_config);
362 if (IS_ERR(tps->regmap)) { 326 if (IS_ERR(tps->regmap)) {
363 ret = PTR_ERR(tps->regmap); 327 ret = PTR_ERR(tps->regmap);