diff options
Diffstat (limited to 'drivers/regulator/tps6586x-regulator.c')
| -rw-r--r-- | drivers/regulator/tps6586x-regulator.c | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/drivers/regulator/tps6586x-regulator.c b/drivers/regulator/tps6586x-regulator.c index 8c33fea313f8..62bad442ed2a 100644 --- a/drivers/regulator/tps6586x-regulator.c +++ b/drivers/regulator/tps6586x-regulator.c @@ -341,6 +341,40 @@ static inline int tps6586x_regulator_preinit(struct device *parent, 1 << ri->enable_bit[1]); } +static inline int tps6586x_regulator_set_pwm_mode(struct platform_device *pdev) +{ + struct device *parent = pdev->dev.parent; + struct regulator_init_data *p = pdev->dev.platform_data; + struct tps6586x_settings *setting = p->driver_data; + int ret = 0; + uint8_t mask; + + if (setting == NULL) + return 0; + + switch (pdev->id) { + case TPS6586X_ID_SM_0: + mask = 1 << SM0_PWM_BIT; + break; + case TPS6586X_ID_SM_1: + mask = 1 << SM1_PWM_BIT; + break; + case TPS6586X_ID_SM_2: + mask = 1 << SM2_PWM_BIT; + break; + default: + /* not all regulators have PWM/PFM option */ + return 0; + } + + if (setting->sm_pwm_mode == PWM_ONLY) + ret = tps6586x_set_bits(parent, TPS6586X_SMODE1, mask); + else if (setting->sm_pwm_mode == AUTO_PWM_PFM) + ret = tps6586x_clr_bits(parent, TPS6586X_SMODE1, mask); + + return ret; +} + static inline struct tps6586x_regulator *find_regulator_info(int id) { struct tps6586x_regulator *ri; @@ -383,7 +417,7 @@ static int __devinit tps6586x_regulator_probe(struct platform_device *pdev) platform_set_drvdata(pdev, rdev); - return 0; + return tps6586x_regulator_set_pwm_mode(pdev); } static int __devexit tps6586x_regulator_remove(struct platform_device *pdev) |