Merge remote-tracking branch 'regulator/topic/as3711' into regulator-next
This commit is contained in:
Mark Brown
commit
5288be36cd
@ -30,102 +30,6 @@ struct as3711_regulator {
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struct regulator_dev *rdev;
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};
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static int as3711_list_voltage_sd(struct regulator_dev *rdev,
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unsigned int selector)
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{
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if (selector >= rdev->desc->n_voltages)
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return -EINVAL;
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if (!selector)
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return 0;
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if (selector < 0x41)
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return 600000 + selector * 12500;
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if (selector < 0x71)
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return 1400000 + (selector - 0x40) * 25000;
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return 2600000 + (selector - 0x70) * 50000;
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}
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static int as3711_list_voltage_aldo(struct regulator_dev *rdev,
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unsigned int selector)
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{
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if (selector >= rdev->desc->n_voltages)
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return -EINVAL;
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if (selector < 0x10)
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return 1200000 + selector * 50000;
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return 1800000 + (selector - 0x10) * 100000;
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}
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static int as3711_list_voltage_dldo(struct regulator_dev *rdev,
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unsigned int selector)
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{
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if (selector >= rdev->desc->n_voltages ||
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(selector > 0x10 && selector < 0x20))
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return -EINVAL;
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if (selector < 0x11)
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return 900000 + selector * 50000;
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return 1750000 + (selector - 0x20) * 50000;
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}
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static int as3711_bound_check(struct regulator_dev *rdev,
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int *min_uV, int *max_uV)
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{
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struct as3711_regulator *reg = rdev_get_drvdata(rdev);
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struct as3711_regulator_info *info = reg->reg_info;
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dev_dbg(&rdev->dev, "%s(), %d, %d, %d\n", __func__,
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*min_uV, rdev->desc->min_uV, info->max_uV);
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if (*max_uV < *min_uV ||
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*min_uV > info->max_uV || rdev->desc->min_uV > *max_uV)
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return -EINVAL;
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if (rdev->desc->n_voltages == 1)
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return 0;
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if (*max_uV > info->max_uV)
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*max_uV = info->max_uV;
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if (*min_uV < rdev->desc->min_uV)
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*min_uV = rdev->desc->min_uV;
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return *min_uV;
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}
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static int as3711_sel_check(int min, int max, int bottom, int step)
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{
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int sel, voltage;
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/* Round up min, when dividing: keeps us within the range */
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sel = DIV_ROUND_UP(min - bottom, step);
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voltage = sel * step + bottom;
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pr_debug("%s(): select %d..%d in %d+N*%d: %d\n", __func__,
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min, max, bottom, step, sel);
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if (voltage > max)
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return -EINVAL;
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return sel;
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}
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static int as3711_map_voltage_sd(struct regulator_dev *rdev,
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int min_uV, int max_uV)
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{
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int ret;
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ret = as3711_bound_check(rdev, &min_uV, &max_uV);
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if (ret <= 0)
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return ret;
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if (min_uV <= 1400000)
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return as3711_sel_check(min_uV, max_uV, 600000, 12500);
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if (min_uV <= 2600000)
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return as3711_sel_check(min_uV, max_uV, 1400000, 25000) + 0x40;
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return as3711_sel_check(min_uV, max_uV, 2600000, 50000) + 0x70;
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}
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/*
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* The regulator API supports 4 modes of operataion: FAST, NORMAL, IDLE and
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* STANDBY. We map them in the following way to AS3711 SD1-4 DCDC modes:
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@ -180,44 +84,14 @@ static unsigned int as3711_get_mode_sd(struct regulator_dev *rdev)
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return -EINVAL;
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}
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static int as3711_map_voltage_aldo(struct regulator_dev *rdev,
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int min_uV, int max_uV)
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{
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int ret;
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ret = as3711_bound_check(rdev, &min_uV, &max_uV);
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if (ret <= 0)
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return ret;
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if (min_uV <= 1800000)
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return as3711_sel_check(min_uV, max_uV, 1200000, 50000);
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return as3711_sel_check(min_uV, max_uV, 1800000, 100000) + 0x10;
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}
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static int as3711_map_voltage_dldo(struct regulator_dev *rdev,
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int min_uV, int max_uV)
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{
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int ret;
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ret = as3711_bound_check(rdev, &min_uV, &max_uV);
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if (ret <= 0)
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return ret;
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if (min_uV <= 1700000)
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return as3711_sel_check(min_uV, max_uV, 900000, 50000);
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return as3711_sel_check(min_uV, max_uV, 1750000, 50000) + 0x20;
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}
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static struct regulator_ops as3711_sd_ops = {
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.is_enabled = regulator_is_enabled_regmap,
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.enable = regulator_enable_regmap,
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.disable = regulator_disable_regmap,
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.get_voltage_sel = regulator_get_voltage_sel_regmap,
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.set_voltage_sel = regulator_set_voltage_sel_regmap,
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.list_voltage = as3711_list_voltage_sd,
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.map_voltage = as3711_map_voltage_sd,
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.list_voltage = regulator_list_voltage_linear_range,
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.map_voltage = regulator_map_voltage_linear_range,
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.get_mode = as3711_get_mode_sd,
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.set_mode = as3711_set_mode_sd,
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};
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@ -228,8 +102,8 @@ static struct regulator_ops as3711_aldo_ops = {
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.disable = regulator_disable_regmap,
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.get_voltage_sel = regulator_get_voltage_sel_regmap,
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.set_voltage_sel = regulator_set_voltage_sel_regmap,
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.list_voltage = as3711_list_voltage_aldo,
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.map_voltage = as3711_map_voltage_aldo,
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.list_voltage = regulator_list_voltage_linear_range,
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.map_voltage = regulator_map_voltage_linear_range,
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};
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static struct regulator_ops as3711_dldo_ops = {
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@ -238,8 +112,31 @@ static struct regulator_ops as3711_dldo_ops = {
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.disable = regulator_disable_regmap,
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.get_voltage_sel = regulator_get_voltage_sel_regmap,
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.set_voltage_sel = regulator_set_voltage_sel_regmap,
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.list_voltage = as3711_list_voltage_dldo,
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.map_voltage = as3711_map_voltage_dldo,
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.list_voltage = regulator_list_voltage_linear_range,
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.map_voltage = regulator_map_voltage_linear_range,
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};
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static const struct regulator_linear_range as3711_sd_ranges[] = {
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{ .min_uV = 612500, .max_uV = 1400000,
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.min_sel = 0x1, .max_sel = 0x40, .uV_step = 12500 },
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{ .min_uV = 1425000, .max_uV = 2600000,
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.min_sel = 0x41, .max_sel = 0x70, .uV_step = 25000 },
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{ .min_uV = 2650000, .max_uV = 3350000,
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.min_sel = 0x71, .max_sel = 0x7f, .uV_step = 50000 },
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};
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static const struct regulator_linear_range as3711_aldo_ranges[] = {
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{ .min_uV = 1200000, .max_uV = 1950000,
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.min_sel = 0, .max_sel = 0xf, .uV_step = 50000 },
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{ .min_uV = 1800000, .max_uV = 3300000,
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.min_sel = 0x10, .max_sel = 0x1f, .uV_step = 100000 },
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};
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static const struct regulator_linear_range as3711_dldo_ranges[] = {
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{ .min_uV = 900000, .max_uV = 1700000,
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.min_sel = 0, .max_sel = 0x10, .uV_step = 50000 },
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{ .min_uV = 1750000, .max_uV = 3300000,
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.min_sel = 0x20, .max_sel = 0x3f, .uV_step = 50000 },
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};
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#define AS3711_REG(_id, _en_reg, _en_bit, _vmask, _vshift, _min_uV, _max_uV, _sfx) \
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@ -256,6 +153,8 @@ static struct regulator_ops as3711_dldo_ops = {
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.enable_reg = AS3711_ ## _en_reg, \
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.enable_mask = BIT(_en_bit), \
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.min_uV = _min_uV, \
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.linear_ranges = as3711_ ## _sfx ## _ranges, \
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.n_linear_ranges = ARRAY_SIZE(as3711_ ## _sfx ## _ranges), \
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}, \
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.max_uV = _max_uV, \
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}
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