diff options
Diffstat (limited to 'drivers/regulator/tps6586x-regulator.c')
| -rw-r--r-- | drivers/regulator/tps6586x-regulator.c | 48 |
1 files changed, 32 insertions, 16 deletions
diff --git a/drivers/regulator/tps6586x-regulator.c b/drivers/regulator/tps6586x-regulator.c index 51237fbb1bb..bb04a75a4c9 100644 --- a/drivers/regulator/tps6586x-regulator.c +++ b/drivers/regulator/tps6586x-regulator.c @@ -85,7 +85,8 @@ static int tps6586x_ldo_list_voltage(struct regulator_dev *rdev, static int __tps6586x_ldo_set_voltage(struct device *parent, struct tps6586x_regulator *ri, - int min_uV, int max_uV) + int min_uV, int max_uV, + unsigned *selector) { int val, uV; uint8_t mask; @@ -100,6 +101,8 @@ static int __tps6586x_ldo_set_voltage(struct device *parent, /* use the first in-range value */ if (min_uV <= uV && uV <= max_uV) { + *selector = val; + val <<= ri->volt_shift; mask = ((1 << ri->volt_nbits) - 1) << ri->volt_shift; @@ -111,12 +114,13 @@ static int __tps6586x_ldo_set_voltage(struct device *parent, } static int tps6586x_ldo_set_voltage(struct regulator_dev *rdev, - int min_uV, int max_uV) + int min_uV, int max_uV, unsigned *selector) { struct tps6586x_regulator *ri = rdev_get_drvdata(rdev); struct device *parent = to_tps6586x_dev(rdev); - return __tps6586x_ldo_set_voltage(parent, ri, min_uV, max_uV); + return __tps6586x_ldo_set_voltage(parent, ri, min_uV, max_uV, + selector); } static int tps6586x_ldo_get_voltage(struct regulator_dev *rdev) @@ -140,13 +144,14 @@ static int tps6586x_ldo_get_voltage(struct regulator_dev *rdev) } static int tps6586x_dvm_set_voltage(struct regulator_dev *rdev, - int min_uV, int max_uV) + int min_uV, int max_uV, unsigned *selector) { struct tps6586x_regulator *ri = rdev_get_drvdata(rdev); struct device *parent = to_tps6586x_dev(rdev); int ret; - ret = __tps6586x_ldo_set_voltage(parent, ri, min_uV, max_uV); + ret = __tps6586x_ldo_set_voltage(parent, ri, min_uV, max_uV, + selector); if (ret) return ret; @@ -231,8 +236,7 @@ static int tps6586x_dvm_voltages[] = { }; #define TPS6586X_REGULATOR(_id, vdata, _ops, vreg, shift, nbits, \ - ereg0, ebit0, ereg1, ebit1, goreg, gobit) \ -{ \ + ereg0, ebit0, ereg1, ebit1) \ .desc = { \ .name = "REG-" #_id, \ .ops = &tps6586x_regulator_##_ops, \ @@ -248,18 +252,26 @@ static int tps6586x_dvm_voltages[] = { .enable_bit[0] = (ebit0), \ .enable_reg[1] = TPS6586X_SUPPLY##ereg1, \ .enable_bit[1] = (ebit1), \ - .voltages = tps6586x_##vdata##_voltages, \ -} + .voltages = tps6586x_##vdata##_voltages, + +#define TPS6586X_REGULATOR_DVM_GOREG(goreg, gobit) \ + .go_reg = TPS6586X_##goreg, \ + .go_bit = (gobit), #define TPS6586X_LDO(_id, vdata, vreg, shift, nbits, \ ereg0, ebit0, ereg1, ebit1) \ +{ \ TPS6586X_REGULATOR(_id, vdata, ldo_ops, vreg, shift, nbits, \ - ereg0, ebit0, ereg1, ebit1, 0, 0) + ereg0, ebit0, ereg1, ebit1) \ +} #define TPS6586X_DVM(_id, vdata, vreg, shift, nbits, \ ereg0, ebit0, ereg1, ebit1, goreg, gobit) \ +{ \ TPS6586X_REGULATOR(_id, vdata, dvm_ops, vreg, shift, nbits, \ - ereg0, ebit0, ereg1, ebit1, goreg, gobit) + ereg0, ebit0, ereg1, ebit1) \ + TPS6586X_REGULATOR_DVM_GOREG(goreg, gobit) \ +} static struct tps6586x_regulator tps6586x_regulator[] = { TPS6586X_LDO(LDO_0, ldo, SUPPLYV1, 5, 3, ENC, 0, END, 0), @@ -267,11 +279,11 @@ static struct tps6586x_regulator tps6586x_regulator[] = { TPS6586X_LDO(LDO_5, ldo, SUPPLYV6, 0, 3, ENE, 6, ENE, 6), TPS6586X_LDO(LDO_6, ldo, SUPPLYV3, 0, 3, ENC, 4, END, 4), TPS6586X_LDO(LDO_7, ldo, SUPPLYV3, 3, 3, ENC, 5, END, 5), - TPS6586X_LDO(LDO_8, ldo, SUPPLYV1, 5, 3, ENC, 6, END, 6), + TPS6586X_LDO(LDO_8, ldo, SUPPLYV2, 5, 3, ENC, 6, END, 6), TPS6586X_LDO(LDO_9, ldo, SUPPLYV6, 3, 3, ENE, 7, ENE, 7), - TPS6586X_LDO(LDO_RTC, ldo, SUPPLYV4, 3, 3, ENE, 7, ENE, 7), + TPS6586X_LDO(LDO_RTC, ldo, SUPPLYV4, 3, 3, V4, 7, V4, 7), TPS6586X_LDO(LDO_1, dvm, SUPPLYV1, 0, 5, ENC, 1, END, 1), - TPS6586X_LDO(SM_2, sm2, SUPPLYV2, 0, 5, ENC, 1, END, 1), + TPS6586X_LDO(SM_2, sm2, SUPPLYV2, 0, 5, ENC, 7, END, 7), TPS6586X_DVM(LDO_2, dvm, LDO2BV1, 0, 5, ENA, 3, ENB, 3, VCC2, 6), TPS6586X_DVM(LDO_4, ldo4, LDO4V1, 0, 5, ENC, 3, END, 3, VCC1, 6), @@ -290,6 +302,10 @@ static inline int tps6586x_regulator_preinit(struct device *parent, uint8_t val1, val2; int ret; + if (ri->enable_reg[0] == ri->enable_reg[1] && + ri->enable_bit[0] == ri->enable_bit[1]) + return 0; + ret = tps6586x_read(parent, ri->enable_reg[0], &val1); if (ret) return ret; @@ -298,14 +314,14 @@ static inline int tps6586x_regulator_preinit(struct device *parent, if (ret) return ret; - if (!(val2 & ri->enable_bit[1])) + if (!(val2 & (1 << ri->enable_bit[1]))) return 0; /* * The regulator is on, but it's enabled with the bit we don't * want to use, so we switch the enable bits */ - if (!(val1 & ri->enable_bit[0])) { + if (!(val1 & (1 << ri->enable_bit[0]))) { ret = tps6586x_set_bits(parent, ri->enable_reg[0], 1 << ri->enable_bit[0]); if (ret) |