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authorAxel Lin <axel.lin@gmail.com>2012-07-24 20:51:44 -0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-08-28 14:00:25 -0400
commit7c7475c009260d02d56f940816bb7c86fce1542e (patch)
tree53fbba62db664206d8fe5f00be9e0cb54d3c78f9 /drivers/regulator/tps6586x-regulator.c
parent0f4c46d2e2150ef68d4c100d74f186ae93f00f3c (diff)
regulator: tps6586x: Convert to regulator_[enable|disable|is_enabled|get_voltage_sel]_regmap
Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/regulator/tps6586x-regulator.c')
-rw-r--r--drivers/regulator/tps6586x-regulator.c76
1 files changed, 11 insertions, 65 deletions
diff --git a/drivers/regulator/tps6586x-regulator.c b/drivers/regulator/tps6586x-regulator.c
index 19241fc30050..c80f0ac05e2f 100644
--- a/drivers/regulator/tps6586x-regulator.c
+++ b/drivers/regulator/tps6586x-regulator.c
@@ -57,9 +57,6 @@
57struct tps6586x_regulator { 57struct tps6586x_regulator {
58 struct regulator_desc desc; 58 struct regulator_desc desc;
59 59
60 int volt_reg;
61 int volt_shift;
62 int volt_nbits;
63 int enable_bit[2]; 60 int enable_bit[2];
64 int enable_reg[2]; 61 int enable_reg[2];
65 62
@@ -81,10 +78,10 @@ static int tps6586x_set_voltage_sel(struct regulator_dev *rdev,
81 int ret, val, rid = rdev_get_id(rdev); 78 int ret, val, rid = rdev_get_id(rdev);
82 uint8_t mask; 79 uint8_t mask;
83 80
84 val = selector << ri->volt_shift; 81 val = selector << (ffs(rdev->desc->vsel_mask) - 1);
85 mask = ((1 << ri->volt_nbits) - 1) << ri->volt_shift; 82 mask = rdev->desc->vsel_mask;
86 83
87 ret = tps6586x_update(parent, ri->volt_reg, val, mask); 84 ret = tps6586x_update(parent, rdev->desc->vsel_reg, val, mask);
88 if (ret) 85 if (ret)
89 return ret; 86 return ret;
90 87
@@ -100,66 +97,14 @@ static int tps6586x_set_voltage_sel(struct regulator_dev *rdev,
100 return ret; 97 return ret;
101} 98}
102 99
103static int tps6586x_get_voltage_sel(struct regulator_dev *rdev)
104{
105 struct tps6586x_regulator *ri = rdev_get_drvdata(rdev);
106 struct device *parent = to_tps6586x_dev(rdev);
107 uint8_t val, mask;
108 int ret;
109
110 ret = tps6586x_read(parent, ri->volt_reg, &val);
111 if (ret)
112 return ret;
113
114 mask = ((1 << ri->volt_nbits) - 1) << ri->volt_shift;
115 val = (val & mask) >> ri->volt_shift;
116
117 if (val >= ri->desc.n_voltages)
118 BUG();
119
120 return val;
121}
122
123static int tps6586x_regulator_enable(struct regulator_dev *rdev)
124{
125 struct tps6586x_regulator *ri = rdev_get_drvdata(rdev);
126 struct device *parent = to_tps6586x_dev(rdev);
127
128 return tps6586x_set_bits(parent, ri->enable_reg[0],
129 1 << ri->enable_bit[0]);
130}
131
132static int tps6586x_regulator_disable(struct regulator_dev *rdev)
133{
134 struct tps6586x_regulator *ri = rdev_get_drvdata(rdev);
135 struct device *parent = to_tps6586x_dev(rdev);
136
137 return tps6586x_clr_bits(parent, ri->enable_reg[0],
138 1 << ri->enable_bit[0]);
139}
140
141static int tps6586x_regulator_is_enabled(struct regulator_dev *rdev)
142{
143 struct tps6586x_regulator *ri = rdev_get_drvdata(rdev);
144 struct device *parent = to_tps6586x_dev(rdev);
145 uint8_t reg_val;
146 int ret;
147
148 ret = tps6586x_read(parent, ri->enable_reg[0], &reg_val);
149 if (ret)
150 return ret;
151
152 return !!(reg_val & (1 << ri->enable_bit[0]));
153}
154
155static struct regulator_ops tps6586x_regulator_ops = { 100static struct regulator_ops tps6586x_regulator_ops = {
156 .list_voltage = regulator_list_voltage_table, 101 .list_voltage = regulator_list_voltage_table,
157 .get_voltage_sel = tps6586x_get_voltage_sel, 102 .get_voltage_sel = regulator_get_voltage_sel_regmap,
158 .set_voltage_sel = tps6586x_set_voltage_sel, 103 .set_voltage_sel = tps6586x_set_voltage_sel,
159 104
160 .is_enabled = tps6586x_regulator_is_enabled, 105 .is_enabled = regulator_is_enabled_regmap,
161 .enable = tps6586x_regulator_enable, 106 .enable = regulator_enable_regmap,
162 .disable = tps6586x_regulator_disable, 107 .disable = regulator_disable_regmap,
163}; 108};
164 109
165static const unsigned int tps6586x_ldo0_voltages[] = { 110static const unsigned int tps6586x_ldo0_voltages[] = {
@@ -202,10 +147,11 @@ static const unsigned int tps6586x_dvm_voltages[] = {
202 .n_voltages = ARRAY_SIZE(tps6586x_##vdata##_voltages), \ 147 .n_voltages = ARRAY_SIZE(tps6586x_##vdata##_voltages), \
203 .volt_table = tps6586x_##vdata##_voltages, \ 148 .volt_table = tps6586x_##vdata##_voltages, \
204 .owner = THIS_MODULE, \ 149 .owner = THIS_MODULE, \
150 .enable_reg = TPS6586X_SUPPLY##ereg0, \
151 .enable_mask = 1 << (ebit0), \
152 .vsel_reg = TPS6586X_##vreg, \
153 .vsel_mask = ((1 << (nbits)) - 1) << (shift), \
205 }, \ 154 }, \
206 .volt_reg = TPS6586X_##vreg, \
207 .volt_shift = (shift), \
208 .volt_nbits = (nbits), \
209 .enable_reg[0] = TPS6586X_SUPPLY##ereg0, \ 155 .enable_reg[0] = TPS6586X_SUPPLY##ereg0, \
210 .enable_bit[0] = (ebit0), \ 156 .enable_bit[0] = (ebit0), \
211 .enable_reg[1] = TPS6586X_SUPPLY##ereg1, \ 157 .enable_reg[1] = TPS6586X_SUPPLY##ereg1, \