diff options
| author | shengfei Xu <xsf@rock-chips.com> | 2017-08-22 11:02:34 +0800 |
|---|---|---|
| committer | Huang, Tao <huangtao@rock-chips.com> | 2017-08-23 20:38:30 +0800 |
| commit | f6cd885bf2ee5d45e286c5bc75dac38ba69cf5af (patch) | |
| tree | b77572fd60b7497d04b15647189b2019bd72138e /drivers/regulator/rk808-regulator.c | |
| parent | 8516153ecbd2bebfaa0e82dfb0e074278ba611bd (diff) | |
regulator: rk808: add support for get_mode/set_mode/set_suspend_mode on regulators
The regulators support mode switching, so add support for
these ops to those types of regulators
Change-Id: Ia2d052aed85988c10137ecc5681867bed2d44c24
Signed-off-by: shengfei Xu <xsf@rock-chips.com>
Diffstat (limited to 'drivers/regulator/rk808-regulator.c')
| -rw-r--r-- | drivers/regulator/rk808-regulator.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/drivers/regulator/rk808-regulator.c b/drivers/regulator/rk808-regulator.c index 0e2e2ed08735..80ae4c793eec 100644 --- a/drivers/regulator/rk808-regulator.c +++ b/drivers/regulator/rk808-regulator.c @@ -433,6 +433,59 @@ static int rk808_set_suspend_disable(struct regulator_dev *rdev) rdev->desc->enable_mask); } +static int rk8xx_set_suspend_mode(struct regulator_dev *rdev, unsigned int mode) +{ + unsigned int reg; + + reg = rdev->desc->vsel_reg + RK808_SLP_REG_OFFSET; + + switch (mode) { + case REGULATOR_MODE_FAST: + return regmap_update_bits(rdev->regmap, reg, + PWM_MODE_MSK, FPWM_MODE); + case REGULATOR_MODE_NORMAL: + return regmap_update_bits(rdev->regmap, reg, + PWM_MODE_MSK, AUTO_PWM_MODE); + default: + pr_err("do not support this mode\n"); + return -EINVAL; + } + + return 0; +} + +static int rk8xx_set_mode(struct regulator_dev *rdev, unsigned int mode) +{ + switch (mode) { + case REGULATOR_MODE_FAST: + return regmap_update_bits(rdev->regmap, rdev->desc->vsel_reg, + PWM_MODE_MSK, FPWM_MODE); + case REGULATOR_MODE_NORMAL: + return regmap_update_bits(rdev->regmap, rdev->desc->vsel_reg, + PWM_MODE_MSK, AUTO_PWM_MODE); + default: + pr_err("do not support this mode\n"); + return -EINVAL; + } + + return 0; +} + +static unsigned int rk8xx_get_mode(struct regulator_dev *rdev) +{ + unsigned int val; + int err; + + err = regmap_read(rdev->regmap, rdev->desc->vsel_reg, &val); + if (err) + return err; + + if (val & FPWM_MODE) + return REGULATOR_MODE_FAST; + else + return REGULATOR_MODE_NORMAL; +} + static struct regulator_ops rk808_buck1_2_ops = { .list_voltage = regulator_list_voltage_linear, .map_voltage = regulator_map_voltage_linear, @@ -442,6 +495,9 @@ static struct regulator_ops rk808_buck1_2_ops = { .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, .is_enabled = regulator_is_enabled_regmap, + .set_mode = rk8xx_set_mode, + .get_mode = rk8xx_get_mode, + .set_suspend_mode = rk8xx_set_suspend_mode, .set_ramp_delay = rk808_set_ramp_delay, .set_suspend_voltage = rk808_set_suspend_voltage, .set_suspend_enable = rk808_set_suspend_enable, @@ -457,6 +513,9 @@ static struct regulator_ops rk8xx_buck_ops_range = { .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, .is_enabled = regulator_is_enabled_regmap, + .set_mode = rk8xx_set_mode, + .get_mode = rk8xx_get_mode, + .set_suspend_mode = rk8xx_set_suspend_mode, .set_ramp_delay = rk808_set_ramp_delay, .set_suspend_voltage = rk808_set_suspend_voltage_range, .set_suspend_enable = rk808_set_suspend_enable, @@ -470,6 +529,9 @@ static struct regulator_ops rk808_reg_ops = { .set_voltage_sel = regulator_set_voltage_sel_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, + .set_mode = rk8xx_set_mode, + .get_mode = rk8xx_get_mode, + .set_suspend_mode = rk8xx_set_suspend_mode, .is_enabled = regulator_is_enabled_regmap, .set_suspend_voltage = rk808_set_suspend_voltage, .set_suspend_enable = rk808_set_suspend_enable, @@ -483,6 +545,9 @@ static struct regulator_ops rk808_reg_ops_ranges = { .set_voltage_sel = regulator_set_voltage_sel_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, + .set_mode = rk8xx_set_mode, + .get_mode = rk8xx_get_mode, + .set_suspend_mode = rk8xx_set_suspend_mode, .is_enabled = regulator_is_enabled_regmap, .set_suspend_voltage = rk808_set_suspend_voltage_range, .set_suspend_enable = rk808_set_suspend_enable, @@ -495,6 +560,9 @@ static struct regulator_ops rk808_switch_ops = { .is_enabled = regulator_is_enabled_regmap, .set_suspend_enable = rk808_set_suspend_enable, .set_suspend_disable = rk808_set_suspend_disable, + .set_mode = rk8xx_set_mode, + .get_mode = rk8xx_get_mode, + .set_suspend_mode = rk8xx_set_suspend_mode, }; static const struct regulator_desc rk808_reg[] = { |