diff options
Diffstat (limited to 'drivers/regulator')
-rw-r--r-- | drivers/regulator/88pm8607.c | 482 |
1 files changed, 220 insertions, 262 deletions
diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c index 121bab4c0dc..7d149a8d8d9 100644 --- a/drivers/regulator/88pm8607.c +++ b/drivers/regulator/88pm8607.c @@ -23,9 +23,9 @@ struct pm8607_regulator_info { struct regulator_dev *regulator; struct i2c_client *i2c; - int min_uV; - int max_uV; - int step_uV; + unsigned int *vol_table; + unsigned int *vol_suspend; + int vol_reg; int vol_shift; int vol_nbits; @@ -36,83 +36,189 @@ struct pm8607_regulator_info { int slope_double; }; -static inline int check_range(struct pm8607_regulator_info *info, - int min_uV, int max_uV) -{ - if (max_uV < info->min_uV || min_uV > info->max_uV || min_uV > max_uV) - return -EINVAL; +static const unsigned int BUCK1_table[] = { + 725000, 750000, 775000, 800000, 825000, 850000, 875000, 900000, + 925000, 950000, 975000, 1000000, 1025000, 1050000, 1075000, 1100000, + 1125000, 1150000, 1175000, 1200000, 1225000, 1250000, 1275000, 1300000, + 1325000, 1350000, 1375000, 1400000, 1425000, 1450000, 1475000, 1500000, + 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000, + 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000, + 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000, + 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000, +}; - return 0; -} +static const unsigned int BUCK1_suspend_table[] = { + 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000, + 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000, + 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000, + 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000, + 800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000, + 1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000, + 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000, + 1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000, +}; + +static const unsigned int BUCK2_table[] = { + 0, 50000, 100000, 150000, 200000, 250000, 300000, 350000, + 400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000, + 800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000, + 1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000, + 1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000, + 2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000, + 2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000, + 2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000, +}; + +static const unsigned int BUCK2_suspend_table[] = { + 0, 50000, 100000, 150000, 200000, 250000, 300000, 350000, + 400000, 450000, 500000, 550000, 600000, 650000, 700000, 750000, + 800000, 850000, 900000, 950000, 1000000, 1050000, 1100000, 1150000, + 1200000, 1250000, 1300000, 1350000, 1400000, 1450000, 1500000, 1550000, + 1600000, 1650000, 1700000, 1750000, 1800000, 1850000, 1900000, 1950000, + 2000000, 2050000, 2100000, 2150000, 2200000, 2250000, 2300000, 2350000, + 2400000, 2450000, 2500000, 2550000, 2600000, 2650000, 2700000, 2750000, + 2800000, 2850000, 2900000, 2950000, 3000000, 3000000, 3000000, 3000000, +}; + +static const unsigned int BUCK3_table[] = { + 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000, + 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000, + 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000, + 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000, + 800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000, + 1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000, + 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000, + 1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000, +}; + +static const unsigned int BUCK3_suspend_table[] = { + 0, 25000, 50000, 75000, 100000, 125000, 150000, 175000, + 200000, 225000, 250000, 275000, 300000, 325000, 350000, 375000, + 400000, 425000, 450000, 475000, 500000, 525000, 550000, 575000, + 600000, 625000, 650000, 675000, 700000, 725000, 750000, 775000, + 800000, 825000, 850000, 875000, 900000, 925000, 950000, 975000, + 1000000, 1025000, 1050000, 1075000, 1100000, 1125000, 1150000, 1175000, + 1200000, 1225000, 1250000, 1275000, 1300000, 1325000, 1350000, 1375000, + 1400000, 1425000, 1450000, 1475000, 1500000, 1500000, 1500000, 1500000, +}; + +static const unsigned int LDO1_table[] = { + 1800000, 1200000, 2800000, 0, +}; + +static const unsigned int LDO1_suspend_table[] = { + 1800000, 1200000, 0, 0, +}; + +static const unsigned int LDO2_table[] = { + 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000, +}; + +static const unsigned int LDO2_suspend_table[] = { + 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, +}; + +static const unsigned int LDO3_table[] = { + 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000, +}; + +static const unsigned int LDO3_suspend_table[] = { + 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, +}; + +static const unsigned int LDO4_table[] = { + 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 3300000, +}; + +static const unsigned int LDO4_suspend_table[] = { + 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2900000, 2900000, +}; + +static const unsigned int LDO5_table[] = { + 2900000, 3000000, 3100000, 3300000, +}; + +static const unsigned int LDO5_suspend_table[] = { + 2900000, 0, 0, 0, +}; + +static const unsigned int LDO6_table[] = { + 1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 3300000, +}; + +static const unsigned int LDO6_suspend_table[] = { + 1800000, 1850000, 2600000, 2650000, 2700000, 2750000, 2800000, 2900000, +}; + +static const unsigned int LDO7_table[] = { + 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, +}; + +static const unsigned int LDO7_suspend_table[] = { + 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, +}; + +static const unsigned int LDO8_table[] = { + 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, +}; + +static const unsigned int LDO8_suspend_table[] = { + 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, +}; + +static const unsigned int LDO9_table[] = { + 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000, +}; + +static const unsigned int LDO9_suspend_table[] = { + 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, +}; + +static const unsigned int LDO10_table[] = { + 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 3300000, + 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, +}; + +static const unsigned int LDO10_suspend_table[] = { + 1800000, 1850000, 1900000, 2700000, 2750000, 2800000, 2850000, 2900000, + 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, +}; + +static const unsigned int LDO12_table[] = { + 1800000, 1900000, 2700000, 2800000, 2900000, 3000000, 3100000, 3300000, + 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, +}; + +static const unsigned int LDO12_suspend_table[] = { + 1800000, 1900000, 2700000, 2800000, 2900000, 2900000, 2900000, 2900000, + 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, 1200000, +}; + +static const unsigned int LDO13_table[] = { + 1300000, 1800000, 2000000, 2500000, 2800000, 3000000, 0, 0, +}; + +static const unsigned int LDO13_suspend_table[] = { + 0, +}; + +static const unsigned int LDO14_table[] = { + 1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 3300000, +}; + +static const unsigned int LDO14_suspend_table[] = { + 1800000, 1850000, 2700000, 2750000, 2800000, 2850000, 2900000, 2900000, +}; static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index) { struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); int ret = -EINVAL; - switch (info->desc.id) { - case PM8607_ID_BUCK1: - ret = (index < 0x1d) ? (index * 25000 + 800000) : - ((index < 0x20) ? 1500000 : - ((index < 0x40) ? ((index - 0x20) * 25000) : - -EINVAL)); - break; - case PM8607_ID_BUCK3: - ret = (index < 0x3d) ? (index * 25000) : - ((index < 0x40) ? 1500000 : -EINVAL); - if (ret < 0) - break; + if (info->vol_table && (index < (2 << info->vol_nbits))) { + ret = info->vol_table[index]; if (info->slope_double) ret <<= 1; - break; - case PM8607_ID_LDO1: - ret = (index == 0) ? 1800000 : - ((index == 1) ? 1200000 : - ((index == 2) ? 2800000 : -EINVAL)); - break; - case PM8607_ID_LDO5: - ret = (index == 0) ? 2900000 : - ((index == 1) ? 3000000 : - ((index == 2) ? 3100000 : 3300000)); - break; - case PM8607_ID_LDO7: - case PM8607_ID_LDO8: - ret = (index < 3) ? (index * 50000 + 1800000) : - ((index < 8) ? (index * 50000 + 2550000) : - -EINVAL); - break; - case PM8607_ID_LDO12: - ret = (index < 2) ? (index * 100000 + 1800000) : - ((index < 7) ? (index * 100000 + 2500000) : - ((index == 7) ? 3300000 : 1200000)); - break; - case PM8607_ID_LDO2: - case PM8607_ID_LDO3: - case PM8607_ID_LDO9: - ret = (index < 3) ? (index * 50000 + 1800000) : - ((index < 7) ? (index * 50000 + 2550000) : - 3300000); - break; - case PM8607_ID_LDO4: - ret = (index < 3) ? (index * 50000 + 1800000) : - ((index < 6) ? (index * 50000 + 2550000) : - ((index == 6) ? 2900000 : 3300000)); - break; - case PM8607_ID_LDO6: - ret = (index < 2) ? (index * 50000 + 1800000) : - ((index < 7) ? (index * 50000 + 2500000) : - 3300000); - break; - case PM8607_ID_LDO10: - ret = (index < 3) ? (index * 50000 + 1800000) : - ((index < 7) ? (index * 50000 + 2550000) : - ((index == 7) ? 3300000 : 1200000)); - break; - case PM8607_ID_LDO14: - ret = (index < 2) ? (index * 50000 + 1800000) : - ((index < 7) ? (index * 50000 + 2600000) : - 3300000); - break; } return ret; } @@ -120,174 +226,26 @@ static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index) static int choose_voltage(struct regulator_dev *rdev, int min_uV, int max_uV) { struct pm8607_regulator_info *info = rdev_get_drvdata(rdev); - int val = -ENOENT; - int ret; + int i, ret = -ENOENT; - switch (info->desc.id) { - case PM8607_ID_BUCK1: - if (min_uV >= 800000) /* 800mV ~ 1500mV / 25mV */ - val = (min_uV - 775001) / 25000; - else { /* 25mV ~ 775mV / 25mV */ - val = (min_uV + 249999) / 25000; - val += 32; - } - break; - case PM8607_ID_BUCK3: - if (info->slope_double) - min_uV = min_uV >> 1; - val = (min_uV + 249999) / 25000; /* 0mV ~ 1500mV / 25mV */ - - break; - case PM8607_ID_LDO1: - if (min_uV > 1800000) - val = 2; - else if (min_uV > 1200000) - val = 0; - else - val = 1; - break; - case PM8607_ID_LDO5: - if (min_uV > 3100000) - val = 3; - else /* 2900mV ~ 3100mV / 100mV */ - val = (min_uV - 2800001) / 100000; - break; - case PM8607_ID_LDO7: - case PM8607_ID_LDO8: - if (min_uV < 2700000) { /* 1800mV ~ 1900mV / 50mV */ - if (min_uV <= 1800000) - val = 0; /* 1800mv */ - else if (min_uV <= 1900000) - val = (min_uV - 1750001) / 50000; - else - val = 3; /* 2700mV */ - } else { /* 2700mV ~ 2900mV / 50mV */ - if (min_uV <= 2900000) { - val = (min_uV - 2650001) / 50000; - val += 3; - } else - val = -EINVAL; - } - break; - case PM8607_ID_LDO10: - if (min_uV > 2850000) - val = 7; - else if (min_uV <= 1200000) - val = 8; - else if (min_uV < 2700000) /* 1800mV ~ 1900mV / 50mV */ - val = (min_uV - 1750001) / 50000; - else { /* 2700mV ~ 2850mV / 50mV */ - val = (min_uV - 2650001) / 50000; - val += 3; - } - break; - case PM8607_ID_LDO12: - if (min_uV < 2700000) { /* 1800mV ~ 1900mV / 100mV */ - if (min_uV <= 1200000) - val = 8; /* 1200mV */ - else if (min_uV <= 1800000) - val = 0; /* 1800mV */ - else if (min_uV <= 1900000) - val = (min_uV - 1700001) / 100000; - else - val = 2; /* 2700mV */ - } else { /* 2700mV ~ 3100mV / 100mV */ - if (min_uV <= 3100000) { - val = (min_uV - 2600001) / 100000; - val += 2; - } else if (min_uV <= 3300000) - val = 7; - else - val = -EINVAL; - } - break; - case PM8607_ID_LDO2: - case PM8607_ID_LDO3: - case PM8607_ID_LDO9: - if (min_uV < 2700000) { /* 1800mV ~ 1900mV / 50mV */ - if (min_uV <= 1800000) - val = 0; - else if (min_uV <= 1900000) - val = (min_uV - 1750001) / 50000; - else - val = 3; /* 2700mV */ - } else { /* 2700mV ~ 2850mV / 50mV */ - if (min_uV <= 2850000) { - val = (min_uV - 2650001) / 50000; - val += 3; - } else if (min_uV <= 3300000) - val = 7; - else - val = -EINVAL; - } - break; - case PM8607_ID_LDO4: - if (min_uV < 2700000) { /* 1800mV ~ 1900mV / 50mV */ - if (min_uV <= 1800000) - val = 0; - else if (min_uV <= 1900000) - val = (min_uV - 1750001) / 50000; - else - val = 3; /* 2700mV */ - } else { /* 2700mV ~ 2800mV / 50mV */ - if (min_uV <= 2850000) { - val = (min_uV - 2650001) / 50000; - val += 3; - } else if (min_uV <= 2900000) - val = 6; - else if (min_uV <= 3300000) - val = 7; - else - val = -EINVAL; - } - break; - case PM8607_ID_LDO6: - if (min_uV < 2600000) { /* 1800mV ~ 1850mV / 50mV */ - if (min_uV <= 1800000) - val = 0; - else if (min_uV <= 1850000) - val = (min_uV - 1750001) / 50000; - else - val = 2; /* 2600mV */ - } else { /* 2600mV ~ 2800mV / 50mV */ - if (min_uV <= 2800000) { - val = (min_uV - 2550001) / 50000; - val += 2; - } else if (min_uV <= 3300000) - val = 7; - else - val = -EINVAL; - } - break; - case PM8607_ID_LDO14: - if (min_uV < 2700000) { /* 1800mV ~ 1850mV / 50mV */ - if (min_uV <= 1800000) - val = 0; - else if (min_uV <= 1850000) - val = (min_uV - 1750001) / 50000; - else - val = 2; /* 2700mV */ - } else { /* 2700mV ~ 2900mV / 50mV */ - if (min_uV <= 2900000) { - val = (min_uV - 2650001) / 50000; - val += 2; - } else if (min_uV <= 3300000) - val = 7; - else - val = -EINVAL; - } - break; + if (info->slope_double) { + min_uV = min_uV >> 1; + max_uV = max_uV >> 1; } - if (val >= 0) { - ret = pm8607_list_voltage(rdev, val); - if (ret > max_uV) { - pr_err("exceed voltage range (%d %d) uV", - min_uV, max_uV); - return -EINVAL; + if (info->vol_table) { + for (i = 0; i < (2 << info->vol_nbits); i++) { + if (!info->vol_table[i]) + break; + if ((min_uV <= info->vol_table[i]) + && (max_uV >= info->vol_table[i])) { + ret = i; + break; + } } - } else - pr_err("invalid voltage range (%d %d) uV", min_uV, max_uV); - return val; + } + if (ret < 0) + pr_err("invalid voltage range (%d %d) uV\n", min_uV, max_uV); + return ret; } static int pm8607_set_voltage(struct regulator_dev *rdev, @@ -297,7 +255,7 @@ static int pm8607_set_voltage(struct regulator_dev *rdev, uint8_t val, mask; int ret; - if (check_range(info, min_uV, max_uV)) { + if (min_uV > max_uV) { pr_err("invalid voltage range (%d, %d) uV\n", min_uV, max_uV); return -EINVAL; } @@ -375,18 +333,15 @@ static struct regulator_ops pm8607_regulator_ops = { .is_enabled = pm8607_is_enabled, }; -#define PM8607_DVC(_id, min, max, step, vreg, nbits, ureg, ubit, ereg, ebit) \ +#define PM8607_DVC(vreg, nbits, ureg, ubit, ereg, ebit) \ { \ .desc = { \ - .name = "BUCK" #_id, \ + .name = #vreg, \ .ops = &pm8607_regulator_ops, \ .type = REGULATOR_VOLTAGE, \ - .id = PM8607_ID_BUCK##_id, \ + .id = PM8607_ID_##vreg, \ .owner = THIS_MODULE, \ }, \ - .min_uV = (min) * 1000, \ - .max_uV = (max) * 1000, \ - .step_uV = (step) * 1000, \ .vol_reg = PM8607_##vreg, \ .vol_shift = (0), \ .vol_nbits = (nbits), \ @@ -395,9 +350,11 @@ static struct regulator_ops pm8607_regulator_ops = { .enable_reg = PM8607_##ereg, \ .enable_bit = (ebit), \ .slope_double = (0), \ + .vol_table = (unsigned int *)&vreg##_table, \ + .vol_suspend = (unsigned int *)&vreg##_suspend_table, \ } -#define PM8607_LDO(_id, min, max, step, vreg, shift, nbits, ereg, ebit) \ +#define PM8607_LDO(_id, vreg, shift, nbits, ereg, ebit) \ { \ .desc = { \ .name = "LDO" #_id, \ @@ -406,33 +363,34 @@ static struct regulator_ops pm8607_regulator_ops = { .id = PM8607_ID_LDO##_id, \ .owner = THIS_MODULE, \ }, \ - .min_uV = (min) * 1000, \ - .max_uV = (max) * 1000, \ - .step_uV = (step) * 1000, \ .vol_reg = PM8607_##vreg, \ .vol_shift = (shift), \ .vol_nbits = (nbits), \ .enable_reg = PM8607_##ereg, \ .enable_bit = (ebit), \ .slope_double = (0), \ + .vol_table = (unsigned int *)&LDO##_id##_table, \ + .vol_suspend = (unsigned int *)&LDO##_id##_suspend_table, \ } static struct pm8607_regulator_info pm8607_regulator_info[] = { - PM8607_DVC(1, 0, 1500, 25, BUCK1, 6, GO, 0, SUPPLIES_EN11, 0), - PM8607_DVC(3, 0, 1500, 25, BUCK3, 6, GO, 2, SUPPLIES_EN11, 2), - - PM8607_LDO(1 , 1200, 2800, 0, LDO1 , 0, 2, SUPPLIES_EN11, 3), - PM8607_LDO(2 , 1800, 3300, 0, LDO2 , 0, 3, SUPPLIES_EN11, 4), - PM8607_LDO(3 , 1800, 3300, 0, LDO3 , 0, 3, SUPPLIES_EN11, 5), - PM8607_LDO(4 , 1800, 3300, 0, LDO4 , 0, 3, SUPPLIES_EN11, 6), - PM8607_LDO(5 , 2900, 3300, 0, LDO5 , 0, 2, SUPPLIES_EN11, 7), - PM8607_LDO(6 , 1800, 3300, 0, LDO6 , 0, 3, SUPPLIES_EN12, 0), - PM8607_LDO(7 , 1800, 2900, 0, LDO7 , 0, 3, SUPPLIES_EN12, 1), - PM8607_LDO(8 , 1800, 2900, 0, LDO8 , 0, 3, SUPPLIES_EN12, 2), - PM8607_LDO(9 , 1800, 3300, 0, LDO9 , 0, 3, SUPPLIES_EN12, 3), - PM8607_LDO(10, 1200, 3300, 0, LDO10, 0, 4, SUPPLIES_EN11, 4), - PM8607_LDO(12, 1200, 3300, 0, LDO12, 0, 4, SUPPLIES_EN11, 5), - PM8607_LDO(14, 1800, 3300, 0, LDO14, 0, 3, SUPPLIES_EN11, 6), + PM8607_DVC(BUCK1, 6, GO, 0, SUPPLIES_EN11, 0), + PM8607_DVC(BUCK2, 6, GO, 1, SUPPLIES_EN11, 1), + PM8607_DVC(BUCK3, 6, GO, 2, SUPPLIES_EN11, 2), + + PM8607_LDO( 1, LDO1, 0, 2, SUPPLIES_EN11, 3), + PM8607_LDO( 2, LDO2, 0, 3, SUPPLIES_EN11, 4), + PM8607_LDO( 3, LDO3, 0, 3, SUPPLIES_EN11, 5), + PM8607_LDO( 4, LDO4, 0, 3, SUPPLIES_EN11, 6), + PM8607_LDO( 5, LDO5, 0, 2, SUPPLIES_EN11, 7), + PM8607_LDO( 6, LDO6, 0, 3, SUPPLIES_EN12, 0), + PM8607_LDO( 7, LDO7, 0, 3, SUPPLIES_EN12, 1), + PM8607_LDO( 8, LDO8, 0, 3, SUPPLIES_EN12, 2), + PM8607_LDO( 9, LDO9, 0, 3, SUPPLIES_EN12, 3), + PM8607_LDO(10, LDO10, 0, 3, SUPPLIES_EN12, 4), + PM8607_LDO(12, LDO12, 0, 4, SUPPLIES_EN12, 5), + PM8607_LDO(13, VIBRATOR_SET, 1, 3, VIBRATOR_SET, 0), + PM8607_LDO(14, LDO14, 0, 4, SUPPLIES_EN12, 6), }; static inline struct pm8607_regulator_info *find_regulator_info(int id) |