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authorLee Jones <lee.jones@linaro.org>2013-03-28 20:11:17 +0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2013-04-01 16:23:38 +0400
commitb080c78a4e447e9c212c207f725999d4e32c5f19 (patch)
treec0a16fff35fc0f3d4654c875868079b6d965135a /drivers/regulator/ab8500.c
parentae0a9a3efce22e77b5f0f2b266646431f492f7ed (diff)
downloadlinux-b080c78a4e447e9c212c207f725999d4e32c5f19.tar.xz
regulator: ab8500: Update voltage handling for fixed voltage regulators
There are a few over-lapping methods for voltage selection operating in the AB8500 regulator driver currently. This patch removes unused, unnecessary variables from the regulator_info structures and provides voltage tables for those regulators which have fixed voltages. Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/regulator/ab8500.c')
-rw-r--r--drivers/regulator/ab8500.c92
1 files changed, 44 insertions, 48 deletions
diff --git a/drivers/regulator/ab8500.c b/drivers/regulator/ab8500.c
index ec609ab747ae..bade3e2a510d 100644
--- a/drivers/regulator/ab8500.c
+++ b/drivers/regulator/ab8500.c
@@ -140,6 +140,26 @@ static const int ldo_sdio_voltages[] = {
3050000,
};
+static const unsigned int fixed_1200000_voltage[] = {
+ 1200000,
+};
+
+static const unsigned int fixed_1800000_voltage[] = {
+ 1800000,
+};
+
+static const unsigned int fixed_2000000_voltage[] = {
+ 2000000,
+};
+
+static const unsigned int fixed_2050000_voltage[] = {
+ 2050000,
+};
+
+static const unsigned int fixed_3300000_voltage[] = {
+ 3300000,
+};
+
static int ab8500_regulator_enable(struct regulator_dev *rdev)
{
int ret;
@@ -403,7 +423,6 @@ static struct regulator_ops ab8500_regulator_mode_ops = {
.get_optimum_mode = ab8500_regulator_get_optimum_mode,
.set_mode = ab8500_regulator_set_mode,
.get_mode = ab8500_regulator_get_mode,
- .get_voltage_sel = ab8500_regulator_get_voltage_sel,
.list_voltage = regulator_list_voltage_linear,
};
@@ -411,7 +430,6 @@ static struct regulator_ops ab8500_regulator_ops = {
.enable = ab8500_regulator_enable,
.disable = ab8500_regulator_disable,
.is_enabled = ab8500_regulator_is_enabled,
- .get_voltage_sel = ab8500_regulator_get_voltage_sel,
.list_voltage = regulator_list_voltage_linear,
};
@@ -527,7 +545,7 @@ static struct ab8500_regulator_info
.id = AB8500_LDO_TVOUT,
.owner = THIS_MODULE,
.n_voltages = 1,
- .min_uV = 2000000,
+ .volt_table = fixed_2000000_voltage,
.enable_time = 500,
},
.load_lp_uA = 1000,
@@ -546,8 +564,8 @@ static struct ab8500_regulator_info
.id = AB8500_LDO_AUDIO,
.owner = THIS_MODULE,
.n_voltages = 1,
- .min_uV = 2000000,
.enable_time = 140,
+ .volt_table = fixed_2000000_voltage,
},
.update_bank = 0x03,
.update_reg = 0x83,
@@ -562,8 +580,8 @@ static struct ab8500_regulator_info
.id = AB8500_LDO_ANAMIC1,
.owner = THIS_MODULE,
.n_voltages = 1,
- .min_uV = 2050000,
.enable_time = 500,
+ .volt_table = fixed_2050000_voltage,
},
.update_bank = 0x03,
.update_reg = 0x83,
@@ -578,8 +596,8 @@ static struct ab8500_regulator_info
.id = AB8500_LDO_ANAMIC2,
.owner = THIS_MODULE,
.n_voltages = 1,
- .min_uV = 2050000,
.enable_time = 500,
+ .volt_table = fixed_2050000_voltage,
},
.update_bank = 0x03,
.update_reg = 0x83,
@@ -594,8 +612,8 @@ static struct ab8500_regulator_info
.id = AB8500_LDO_DMIC,
.owner = THIS_MODULE,
.n_voltages = 1,
- .min_uV = 1800000,
.enable_time = 420,
+ .volt_table = fixed_1800000_voltage,
},
.update_bank = 0x03,
.update_reg = 0x83,
@@ -614,8 +632,8 @@ static struct ab8500_regulator_info
.id = AB8500_LDO_ANA,
.owner = THIS_MODULE,
.n_voltages = 1,
- .min_uV = 1200000,
.enable_time = 140,
+ .volt_table = fixed_1200000_voltage,
},
.load_lp_uA = 1000,
.update_bank = 0x04,
@@ -645,8 +663,6 @@ static struct ab8500_regulator_info
.owner = THIS_MODULE,
.n_voltages = ARRAY_SIZE(ldo_vauxn_voltages),
},
- .min_uV = 1100000,
- .max_uV = 3300000,
.load_lp_uA = 5000,
.update_bank = 0x04,
.update_reg = 0x09,
@@ -669,8 +685,6 @@ static struct ab8500_regulator_info
.owner = THIS_MODULE,
.n_voltages = ARRAY_SIZE(ldo_vauxn_voltages),
},
- .min_uV = 1100000,
- .max_uV = 3300000,
.load_lp_uA = 5000,
.update_bank = 0x04,
.update_reg = 0x09,
@@ -693,8 +707,6 @@ static struct ab8500_regulator_info
.owner = THIS_MODULE,
.n_voltages = ARRAY_SIZE(ldo_vaux3_voltages),
},
- .min_uV = 1100000,
- .max_uV = 3300000,
.load_lp_uA = 5000,
.update_bank = 0x04,
.update_reg = 0x0a,
@@ -717,8 +729,6 @@ static struct ab8500_regulator_info
.owner = THIS_MODULE,
.n_voltages = ARRAY_SIZE(ldo_vauxn_voltages),
},
- .min_uV = 1100000,
- .max_uV = 3300000,
.load_lp_uA = 5000,
/* values for Vaux4Regu register */
.update_bank = 0x04,
@@ -743,8 +753,6 @@ static struct ab8500_regulator_info
.owner = THIS_MODULE,
.n_voltages = ARRAY_SIZE(ldo_vaux56_voltages),
},
- .min_uV = 1050000,
- .max_uV = 2790000,
.load_lp_uA = 2000,
/* values for CtrlVaux5 register */
.update_bank = 0x01,
@@ -768,8 +776,6 @@ static struct ab8500_regulator_info
.owner = THIS_MODULE,
.n_voltages = ARRAY_SIZE(ldo_vaux56_voltages),
},
- .min_uV = 1050000,
- .max_uV = 2790000,
.load_lp_uA = 2000,
/* values for CtrlVaux6 register */
.update_bank = 0x01,
@@ -793,8 +799,6 @@ static struct ab8500_regulator_info
.owner = THIS_MODULE,
.n_voltages = ARRAY_SIZE(ldo_vintcore_voltages),
},
- .min_uV = 1100000,
- .max_uV = 3300000,
.load_lp_uA = 5000,
.update_bank = 0x03,
.update_reg = 0x80,
@@ -823,9 +827,9 @@ static struct ab8500_regulator_info
.id = AB8505_LDO_ADC,
.owner = THIS_MODULE,
.n_voltages = 1,
+ .volt_table = fixed_2000000_voltage,
},
.delay = 10000,
- .fixed_uV = 2000000,
.load_lp_uA = 1000,
.update_bank = 0x03,
.update_reg = 0x80,
@@ -842,8 +846,8 @@ static struct ab8500_regulator_info
.id = AB9540_LDO_USB,
.owner = THIS_MODULE,
.n_voltages = 1,
+ .volt_table = fixed_3300000_voltage,
},
- .fixed_uV = 3300000,
.update_bank = 0x03,
.update_reg = 0x82,
.update_mask = 0x03,
@@ -859,8 +863,8 @@ static struct ab8500_regulator_info
.id = AB8500_LDO_AUDIO,
.owner = THIS_MODULE,
.n_voltages = 1,
+ .volt_table = fixed_2000000_voltage,
},
- .fixed_uV = 2000000,
.update_bank = 0x03,
.update_reg = 0x83,
.update_mask = 0x02,
@@ -874,8 +878,8 @@ static struct ab8500_regulator_info
.id = AB8500_LDO_ANAMIC1,
.owner = THIS_MODULE,
.n_voltages = 1,
+ .volt_table = fixed_2050000_voltage,
},
- .fixed_uV = 2050000,
.update_bank = 0x03,
.update_reg = 0x83,
.update_mask = 0x08,
@@ -889,8 +893,8 @@ static struct ab8500_regulator_info
.id = AB8500_LDO_ANAMIC2,
.owner = THIS_MODULE,
.n_voltages = 1,
+ .volt_table = fixed_2050000_voltage,
},
- .fixed_uV = 2050000,
.update_bank = 0x03,
.update_reg = 0x83,
.update_mask = 0x10,
@@ -904,8 +908,8 @@ static struct ab8500_regulator_info
.id = AB8505_LDO_AUX8,
.owner = THIS_MODULE,
.n_voltages = 1,
+ .volt_table = fixed_1800000_voltage,
},
- .fixed_uV = 1800000,
.update_bank = 0x03,
.update_reg = 0x83,
.update_mask = 0x04,
@@ -922,8 +926,8 @@ static struct ab8500_regulator_info
.id = AB8500_LDO_ANA,
.owner = THIS_MODULE,
.n_voltages = 1,
+ .volt_table = fixed_1200000_voltage,
},
- .fixed_uV = 1200000,
.load_lp_uA = 1000,
.update_bank = 0x04,
.update_reg = 0x06,
@@ -952,8 +956,6 @@ static struct ab8500_regulator_info
.owner = THIS_MODULE,
.n_voltages = ARRAY_SIZE(ldo_vauxn_voltages),
},
- .min_uV = 1100000,
- .max_uV = 3300000,
.load_lp_uA = 5000,
.update_bank = 0x04,
.update_reg = 0x09,
@@ -976,8 +978,6 @@ static struct ab8500_regulator_info
.owner = THIS_MODULE,
.n_voltages = ARRAY_SIZE(ldo_vauxn_voltages),
},
- .min_uV = 1100000,
- .max_uV = 3300000,
.load_lp_uA = 5000,
.update_bank = 0x04,
.update_reg = 0x09,
@@ -1000,8 +1000,6 @@ static struct ab8500_regulator_info
.owner = THIS_MODULE,
.n_voltages = ARRAY_SIZE(ldo_vaux3_voltages),
},
- .min_uV = 1100000,
- .max_uV = 3300000,
.load_lp_uA = 5000,
.update_bank = 0x04,
.update_reg = 0x0a,
@@ -1024,8 +1022,6 @@ static struct ab8500_regulator_info
.owner = THIS_MODULE,
.n_voltages = ARRAY_SIZE(ldo_vauxn_voltages),
},
- .min_uV = 1100000,
- .max_uV = 3300000,
.load_lp_uA = 5000,
/* values for Vaux4Regu register */
.update_bank = 0x04,
@@ -1050,8 +1046,6 @@ static struct ab8500_regulator_info
.owner = THIS_MODULE,
.n_voltages = ARRAY_SIZE(ldo_vintcore_voltages),
},
- .min_uV = 1100000,
- .max_uV = 3300000,
.load_lp_uA = 5000,
.update_bank = 0x03,
.update_reg = 0x80,
@@ -1080,9 +1074,9 @@ static struct ab8500_regulator_info
.id = AB8500_LDO_TVOUT,
.owner = THIS_MODULE,
.n_voltages = 1,
+ .volt_table = fixed_2000000_voltage,
},
.delay = 10000,
- .fixed_uV = 2000000,
.load_lp_uA = 1000,
.update_bank = 0x03,
.update_reg = 0x80,
@@ -1099,8 +1093,8 @@ static struct ab8500_regulator_info
.id = AB9540_LDO_USB,
.owner = THIS_MODULE,
.n_voltages = 1,
+ .volt_table = fixed_3300000_voltage,
},
- .fixed_uV = 3300000,
.update_bank = 0x03,
.update_reg = 0x82,
.update_mask = 0x03,
@@ -1116,8 +1110,8 @@ static struct ab8500_regulator_info
.id = AB8500_LDO_AUDIO,
.owner = THIS_MODULE,
.n_voltages = 1,
+ .volt_table = fixed_2000000_voltage,
},
- .fixed_uV = 2000000,
.update_bank = 0x03,
.update_reg = 0x83,
.update_mask = 0x02,
@@ -1131,8 +1125,8 @@ static struct ab8500_regulator_info
.id = AB8500_LDO_ANAMIC1,
.owner = THIS_MODULE,
.n_voltages = 1,
+ .volt_table = fixed_2050000_voltage,
},
- .fixed_uV = 2050000,
.update_bank = 0x03,
.update_reg = 0x83,
.update_mask = 0x08,
@@ -1146,8 +1140,8 @@ static struct ab8500_regulator_info
.id = AB8500_LDO_ANAMIC2,
.owner = THIS_MODULE,
.n_voltages = 1,
+ .volt_table = fixed_2050000_voltage,
},
- .fixed_uV = 2050000,
.update_bank = 0x03,
.update_reg = 0x83,
.update_mask = 0x10,
@@ -1161,8 +1155,8 @@ static struct ab8500_regulator_info
.id = AB8500_LDO_DMIC,
.owner = THIS_MODULE,
.n_voltages = 1,
+ .volt_table = fixed_1800000_voltage,
},
- .fixed_uV = 1800000,
.update_bank = 0x03,
.update_reg = 0x83,
.update_mask = 0x04,
@@ -1180,8 +1174,8 @@ static struct ab8500_regulator_info
.id = AB8500_LDO_ANA,
.owner = THIS_MODULE,
.n_voltages = 1,
+ .volt_table = fixed_1200000_voltage,
},
- .fixed_uV = 1200000,
.load_lp_uA = 1000,
.update_bank = 0x04,
.update_reg = 0x06,
@@ -1346,6 +1340,7 @@ static struct ab8500_regulator_info
.id = AB8500_LDO_AUDIO,
.owner = THIS_MODULE,
.n_voltages = 1,
+ .volt_table = fixed_2000000_voltage,
},
.update_bank = 0x03,
.update_reg = 0x83,
@@ -1360,6 +1355,7 @@ static struct ab8500_regulator_info
.id = AB8500_LDO_ANAMIC1,
.owner = THIS_MODULE,
.n_voltages = 1,
+ .volt_table = fixed_2050000_voltage,
},
.update_bank = 0x03,
.update_reg = 0x83,
@@ -1374,6 +1370,7 @@ static struct ab8500_regulator_info
.id = AB8500_LDO_ANAMIC2,
.owner = THIS_MODULE,
.n_voltages = 1,
+ .volt_table = fixed_2050000_voltage,
},
.update_bank = 0x03,
.update_reg = 0x83,
@@ -1406,6 +1403,7 @@ static struct ab8500_regulator_info
.id = AB8500_LDO_ANA,
.owner = THIS_MODULE,
.n_voltages = 1,
+ .volt_table = fixed_1200000_voltage,
},
.load_lp_uA = 1000,
.update_bank = 0x04,
@@ -1424,8 +1422,6 @@ static struct ab8500_regulator_info
.owner = THIS_MODULE,
.n_voltages = ARRAY_SIZE(ldo_sdio_voltages),
},
- .min_uV = 1050000,
- .max_uV = 3050000,
.load_lp_uA = 5000,
.update_bank = 0x03,
.update_reg = 0x88,