diff options
| -rw-r--r-- | Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt | 37 | ||||
| -rw-r--r-- | drivers/pwm/core.c | 21 | ||||
| -rw-r--r-- | drivers/pwm/pwm-clps711x.c | 2 | ||||
| -rw-r--r-- | drivers/pwm/pwm-pxa.c | 2 | ||||
| -rw-r--r-- | drivers/regulator/pwm-regulator.c | 78 | ||||
| -rw-r--r-- | drivers/regulator/qcom_spmi-regulator.c | 275 | ||||
| -rw-r--r-- | drivers/regulator/rk808-regulator.c | 310 | ||||
| -rw-r--r-- | drivers/regulator/s2mps11.c | 13 | ||||
| -rw-r--r-- | include/linux/mfd/samsung/core.h | 3 | ||||
| -rw-r--r-- | include/linux/pwm.h | 33 |
10 files changed, 444 insertions, 330 deletions
diff --git a/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt b/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt index d00bfd8624a5..46c6f3ed1a1c 100644 --- a/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt +++ b/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt @@ -7,6 +7,7 @@ Qualcomm SPMI Regulators "qcom,pm8841-regulators" "qcom,pm8916-regulators" "qcom,pm8941-regulators" + "qcom,pm8994-regulators" - interrupts: Usage: optional @@ -68,6 +69,37 @@ Qualcomm SPMI Regulators Definition: Reference to regulator supplying the input pin, as described in the data sheet. +- vdd_s1-supply: +- vdd_s2-supply: +- vdd_s3-supply: +- vdd_s4-supply: +- vdd_s5-supply: +- vdd_s6-supply: +- vdd_s7-supply: +- vdd_s8-supply: +- vdd_s9-supply: +- vdd_s10-supply: +- vdd_s11-supply: +- vdd_s12-supply: +- vdd_l1-supply: +- vdd_l2_l26_l28-supply: +- vdd_l3_l11-supply: +- vdd_l4_l27_l31-supply: +- vdd_l5_l7-supply: +- vdd_l6_l12_l32-supply: +- vdd_l8_l16_l30-supply: +- vdd_l9_l10_l18_l22-supply: +- vdd_l13_l19_l23_l24-supply: +- vdd_l14_l15-supply: +- vdd_l17_l29-supply: +- vdd_l20_l21-supply: +- vdd_l25-supply: +- vdd_lvs_1_2-supply: + Usage: optional (pm8994 only) + Value type: <phandle> + Definition: Reference to regulator supplying the input pin, as + described in the data sheet. + The regulator node houses sub-nodes for each regulator within the device. Each sub-node is identified using the node's name, with valid values listed for each @@ -85,6 +117,11 @@ pm8941: l15, l16, l17, l18, l19, l20, l21, l22, l23, l24, lvs1, lvs2, lvs3, mvs1, mvs2 +pm8994: + s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, l1, l2, l3, l4, l5, + l6, l7, l8, l9, l10, l11, l12, l13, l14, l15, l16, l17, l18, l19, l20, + l21, l22, l23, l24, l25, l26, l27, l28, l29, l30, l31, l32, lvs1, lvs2 + The content of each sub-node is defined by the standard binding for regulators - see regulator.txt - with additional custom properties described below: diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c index 7831bc6b51dd..680fbc795a0a 100644 --- a/drivers/pwm/core.c +++ b/drivers/pwm/core.c @@ -128,6 +128,13 @@ static int pwm_device_request(struct pwm_device *pwm, const char *label) set_bit(PWMF_REQUESTED, &pwm->flags); pwm->label = label; + /* + * FIXME: This should be removed once all PWM users properly make use + * of struct pwm_args to initialize the PWM device. As long as this is + * here, the PWM state and hardware state can get out of sync. + */ + pwm_apply_args(pwm); + return 0; } @@ -146,12 +153,12 @@ of_pwm_xlate_with_flags(struct pwm_chip *pc, const struct of_phandle_args *args) if (IS_ERR(pwm)) return pwm; - pwm_set_period(pwm, args->args[1]); + pwm->args.period = args->args[1]; if (args->args[2] & PWM_POLARITY_INVERTED) - pwm_set_polarity(pwm, PWM_POLARITY_INVERSED); + pwm->args.polarity = PWM_POLARITY_INVERSED; else - pwm_set_polarity(pwm, PWM_POLARITY_NORMAL); + pwm->args.polarity = PWM_POLARITY_NORMAL; return pwm; } @@ -172,7 +179,7 @@ of_pwm_simple_xlate(struct pwm_chip *pc, const struct of_phandle_args *args) if (IS_ERR(pwm)) return pwm; - pwm_set_period(pwm, args->args[1]); + pwm->args.period = args->args[1]; return pwm; } @@ -747,13 +754,13 @@ struct pwm_device *pwm_get(struct device *dev, const char *con_id) if (!chip) goto out; + pwm->args.period = chosen->period; + pwm->args.polarity = chosen->polarity; + pwm = pwm_request_from_chip(chip, chosen->index, con_id ?: dev_id); if (IS_ERR(pwm)) goto out; - pwm_set_period(pwm, chosen->period); - pwm_set_polarity(pwm, chosen->polarity); - out: mutex_unlock(&pwm_lookup_lock); return pwm; diff --git a/drivers/pwm/pwm-clps711x.c b/drivers/pwm/pwm-clps711x.c index a80c10803636..7d335422cfda 100644 --- a/drivers/pwm/pwm-clps711x.c +++ b/drivers/pwm/pwm-clps711x.c @@ -60,7 +60,7 @@ static int clps711x_pwm_request(struct pwm_chip *chip, struct pwm_device *pwm) return -EINVAL; /* Store constant period value */ - pwm_set_period(pwm, DIV_ROUND_CLOSEST(NSEC_PER_SEC, freq)); + pwm->args.period = DIV_ROUND_CLOSEST(NSEC_PER_SEC, freq); return 0; } diff --git a/drivers/pwm/pwm-pxa.c b/drivers/pwm/pwm-pxa.c index cb2f7024cf68..58b709f29130 100644 --- a/drivers/pwm/pwm-pxa.c +++ b/drivers/pwm/pwm-pxa.c @@ -160,7 +160,7 @@ pxa_pwm_of_xlate(struct pwm_chip *pc, const struct of_phandle_args *args) if (IS_ERR(pwm)) return pwm; - pwm_set_period(pwm, args->args[0]); + pwm->args.period = args->args[0]; return pwm; } diff --git a/drivers/regulator/pwm-regulator.c b/drivers/regulator/pwm-regulator.c index 4689d62f4841..fafa3488e960 100644 --- a/drivers/regulator/pwm-regulator.c +++ b/drivers/regulator/pwm-regulator.c @@ -59,18 +59,18 @@ static int pwm_regulator_set_voltage_sel(struct regulator_dev *rdev, unsigned selector) { struct pwm_regulator_data *drvdata = rdev_get_drvdata(rdev); - unsigned int pwm_reg_period; + struct pwm_args pargs; int dutycycle; int ret; - pwm_reg_period = pwm_get_period(drvdata->pwm); + pwm_get_args(drvdata->pwm, &pargs); - dutycycle = (pwm_reg_period * + dutycycle = (pargs.period * drvdata->duty_cycle_table[selector].dutycycle) / 100; - ret = pwm_config(drvdata->pwm, dutycycle, pwm_reg_period); + ret = pwm_config(drvdata->pwm, dutycycle, pargs.period); if (ret) { - dev_err(&rdev->dev, "Failed to configure PWM\n"); + dev_err(&rdev->dev, "Failed to configure PWM: %d\n", ret); return ret; } @@ -113,18 +113,6 @@ static int pwm_regulator_is_enabled(struct regulator_dev *dev) return pwm_is_enabled(drvdata->pwm); } -/** - * Continuous voltage call-backs - */ -static int pwm_voltage_to_duty_cycle_percentage(struct regulator_dev *rdev, int req_uV) -{ - int min_uV = rdev->constraints->min_uV; - int max_uV = rdev->constraints->max_uV; - int diff = max_uV - min_uV; - - return ((req_uV * 100) - (min_uV * 100)) / diff; -} - static int pwm_regulator_get_voltage(struct regulator_dev *rdev) { struct pwm_regulator_data *drvdata = rdev_get_drvdata(rdev); @@ -138,21 +126,42 @@ static int pwm_regulator_set_voltage(struct regulator_dev *rdev, { struct pwm_regulator_data *drvdata = rdev_get_drvdata(rdev); unsigned int ramp_delay = rdev->constraints->ramp_delay; - unsigned int period = pwm_get_period(drvdata->pwm); - int duty_cycle; + struct pwm_args pargs; + unsigned int req_diff = min_uV - rdev->constraints->min_uV; + unsigned int diff; + unsigned int duty_pulse; + u64 req_period; + u32 rem; int ret; - duty_cycle = pwm_voltage_to_duty_cycle_percentage(rdev, min_uV); + pwm_get_args(drvdata->pwm, &pargs); + diff = rdev->constraints->max_uV - rdev->constraints->min_uV; + + /* First try to find out if we get the iduty cycle time which is + * factor of PWM period time. If (request_diff_to_min * pwm_period) + * is perfect divided by voltage_range_diff then it is possible to + * get duty cycle time which is factor of PWM period. This will help + * to get output voltage nearer to requested value as there is no + * calculation loss. + */ + req_period = req_diff * pargs.period; + div_u64_rem(req_period, diff, &rem); + if (!rem) { + do_div(req_period, diff); + duty_pulse = (unsigned int)req_period; + } else { + duty_pulse = (pargs.period / 100) * ((req_diff * 100) / diff); + } - ret = pwm_config(drvdata->pwm, (period / 100) * duty_cycle, period); + ret = pwm_config(drvdata->pwm, duty_pulse, pargs.period); if (ret) { - dev_err(&rdev->dev, "Failed to configure PWM\n"); + dev_err(&rdev->dev, "Failed to configure PWM: %d\n", ret); return ret; } ret = pwm_enable(drvdata->pwm); if (ret) { - dev_err(&rdev->dev, "Failed to enable PWM\n"); + dev_err(&rdev->dev, "Failed to enable PWM: %d\n", ret); return ret; } drvdata->volt_uV = min_uV; @@ -200,8 +209,7 @@ static int pwm_regulator_init_table(struct platform_device *pdev, if ((length < sizeof(*duty_cycle_table)) || (length % sizeof(*duty_cycle_table))) { - dev_err(&pdev->dev, - "voltage-table length(%d) is invalid\n", + dev_err(&pdev->dev, "voltage-table length(%d) is invalid\n", length); return -EINVAL; } @@ -214,7 +222,7 @@ static int pwm_regulator_init_table(struct platform_device *pdev, (u32 *)duty_cycle_table, length / sizeof(u32)); if (ret) { - dev_err(&pdev->dev, "Failed to read voltage-table\n"); + dev_err(&pdev->dev, "Failed to read voltage-table: %d\n", ret); return ret; } @@ -277,16 +285,24 @@ static int pwm_regulator_probe(struct platform_device *pdev) drvdata->pwm = devm_pwm_get(&pdev->dev, NULL); if (IS_ERR(drvdata->pwm)) { - dev_err(&pdev->dev, "Failed to get PWM\n"); - return PTR_ERR(drvdata->pwm); + ret = PTR_ERR(drvdata->pwm); + dev_err(&pdev->dev, "Failed to get PWM: %d\n", ret); + return ret; } + /* + * FIXME: pwm_apply_args() should be removed when switching to the + * atomic PWM API. + */ + pwm_apply_args(drvdata->pwm); + regulator = devm_regulator_register(&pdev->dev, &drvdata->desc, &config); if (IS_ERR(regulator)) { - dev_err(&pdev->dev, "Failed to register regulator %s\n", - drvdata->desc.name); - return PTR_ERR(regulator); + ret = PTR_ERR(regulator); + dev_err(&pdev->dev, "Failed to register regulator %s: %d\n", + drvdata->desc.name, ret); + return ret; } return 0; diff --git a/drivers/regulator/qcom_spmi-regulator.c b/drivers/regulator/qcom_spmi-regulator.c index 88a5dc88badc..84cce21e98cd 100644 --- a/drivers/regulator/qcom_spmi-regulator.c +++ b/drivers/regulator/qcom_spmi-regulator.c @@ -246,6 +246,7 @@ enum spmi_common_control_register_index { /* Minimum voltage stepper delay for each step. */ #define SPMI_FTSMPS_STEP_DELAY 8 +#define SPMI_DEFAULT_STEP_DELAY 20 /* * The ratio SPMI_FTSMPS_STEP_MARGIN_NUM/SPMI_FTSMPS_STEP_MARGIN_DEN is used to @@ -254,13 +255,6 @@ enum spmi_common_control_register_index { #define SPMI_FTSMPS_STEP_MARGIN_NUM 4 #define SPMI_FTSMPS_STEP_MARGIN_DEN 5 -/* - * This voltage in uV is returned by get_voltage functions when there is no way - * to determine the current voltage level. It is needed because the regulator - * framework treats a 0 uV voltage as an error. - */ -#define VOLTAGE_UNKNOWN 1 - /* VSET value to decide the range of ULT SMPS */ #define ULT_SMPS_RANGE_SPLIT 0x60 @@ -539,12 +533,12 @@ static int spmi_regulator_common_disable(struct regulator_dev *rdev) } static int spmi_regulator_select_voltage(struct spmi_regulator *vreg, - int min_uV, int max_uV, u8 *range_sel, u8 *voltage_sel, - unsigned *selector) + int min_uV, int max_uV) { const struct spmi_voltage_range *range; int uV = min_uV; int lim_min_uV, lim_max_uV, i, range_id, range_max_uV; + int selector, voltage_sel; /* Check if request voltage is outside of physically settable range. */ lim_min_uV = vreg->set_points->range[0].set_point_min_uV; @@ -570,14 +564,13 @@ static int spmi_regulator_select_voltage(struct spmi_regulator *vreg, range_id = i; range = &vreg->set_points->range[range_id]; - *range_sel = range->range_sel; /* * Force uV to be an allowed set point by applying a ceiling function to * the uV value. */ - *voltage_sel = DIV_ROUND_UP(uV - range->min_uV, range->step_uV); - uV = *voltage_sel * range->step_uV + range->min_uV; + voltage_sel = DIV_ROUND_UP(uV - range->min_uV, range->step_uV); + uV = voltage_sel * range->step_uV + range->min_uV; if (uV > max_uV) { dev_err(vreg->dev, @@ -587,12 +580,48 @@ static int spmi_regulator_select_voltage(struct spmi_regulator *vreg, return -EINVAL; } - *selector = 0; + selector = 0; for (i = 0; i < range_id; i++) - *selector += vreg->set_points->range[i].n_voltages; - *selector += (uV - range->set_point_min_uV) / range->step_uV; + selector += vreg->set_points->range[i].n_voltages; + selector += (uV - range->set_point_min_uV) / range->step_uV; - return 0; + return selector; +} + +static int spmi_sw_selector_to_hw(struct spmi_regulator *vreg, + unsigned selector, u8 *range_sel, + u8 *voltage_sel) +{ + const struct spmi_voltage_range *range, *end; + + range = vreg->set_points->range; + end = range + vreg->set_points->count; + + for (; range < end; range++) { + if (selector < range->n_voltages) { + *voltage_sel = selector; + *range_sel = range->range_sel; + return 0; + } + + selector -= range->n_voltages; + } + + return -EINVAL; +} + +static int spmi_hw_selector_to_sw(struct spmi_regulator *vreg, u8 hw_sel, + const struct spmi_voltage_range *range) +{ + int sw_sel = hw_sel; + const struct spmi_voltage_range *r = vreg->set_points->range; + + while (r != range) { + sw_sel += r->n_voltages; + r++; + } + + return sw_sel; } static const struct spmi_voltage_range * @@ -614,12 +643,11 @@ spmi_regulator_find_range(struct spmi_regulator *vreg) } static int spmi_regulator_select_voltage_same_range(struct spmi_regulator *vreg, - int min_uV, int max_uV, u8 *range_sel, u8 *voltage_sel, - unsigned *selector) + int min_uV, int max_uV) { const struct spmi_voltage_range *range; int uV = min_uV; - int i; + int i, selector; range = spmi_regulator_find_range(vreg); if (!range) @@ -637,8 +665,8 @@ static int spmi_regulator_select_voltage_same_range(struct spmi_regulator *vreg, * Force uV to be an allowed set point by applying a ceiling function to * the uV value. */ - *voltage_sel = DIV_ROUND_UP(uV - range->min_uV, range->step_uV); - uV = *voltage_sel * range->step_uV + range->min_uV; + uV = DIV_ROUND_UP(uV - range->min_uV, range->step_uV); + uV = uV * range->step_uV + range->min_uV; if (uV > max_uV) { /* @@ -648,43 +676,49 @@ static int spmi_regulator_select_voltage_same_range(struct spmi_regulator *vreg, goto different_range; } - *selector = 0; + selector = 0; for (i = 0; i < vreg->set_points->count; i++) { if (uV >= vreg->set_points->range[i].set_point_min_uV && uV <= vreg->set_points->range[i].set_point_max_uV) { - *selector += + selector += (uV - vreg->set_points->range[i].set_point_min_uV) / vreg->set_points->range[i].step_uV; break; } - *selector += vreg->set_points->range[i].n_voltages; + selector += vreg->set_points->range[i].n_voltages; } - if (*selector >= vreg->set_points->n_voltages) + if (selector >= vreg->set_points->n_voltages) goto different_range; - return 0; + return selector; different_range: - return spmi_regulator_select_voltage(vreg, min_uV, max_uV, - range_sel, voltage_sel, selector); + return spmi_regulator_select_voltage(vreg, min_uV, max_uV); } -static int spmi_regulator_common_set_voltage(struct regulator_dev *rdev, - int min_uV, int max_uV, unsigned *selector) +static int spmi_regulator_common_map_voltage(struct regulator_dev *rdev, + int min_uV, int max_uV) { struct spmi_regulator *vreg = rdev_get_drvdata(rdev); - int ret; - u8 buf[2]; - u8 range_sel, voltage_sel; /* * Favor staying in the current voltage range if possible. This avoids * voltage spikes that occur when changing the voltage range. */ - ret = spmi_regulator_select_voltage_same_range(vreg, min_uV, max_uV, - &range_sel, &voltage_sel, selector); + return spmi_regulator_select_voltage_same_range(vreg, min_uV, max_uV); +} + +static int +spmi_regulator_common_set_voltage(struct regulator_dev *rdev, unsigned selector) +{ + struct spmi_regulator *vreg = rdev_get_drvdata(rdev); + int ret; + u8 buf[2]; + u8 range_sel, voltage_sel; + + ret = spmi_sw_selector_to_hw(vreg, selector, &range_sel, &voltage_sel); if (ret) return ret; @@ -719,24 +753,24 @@ static int spmi_regulator_common_get_voltage(struct regulator_dev *rdev) range = spmi_regulator_find_range(vreg); if (!range) - return VOLTAGE_UNKNOWN; + return -EINVAL; - return range->step_uV * voltage_sel + range->min_uV; + return spmi_hw_selector_to_sw(vreg, voltage_sel, range); } -static int spmi_regulator_single_range_set_voltage(struct regulator_dev *rdev, - int min_uV, int max_uV, unsigned *selector) +static int spmi_regulator_single_map_voltage(struct regulator_dev *rdev, + int min_uV, int max_uV) { struct spmi_regulator *vreg = rdev_get_drvdata(rdev); - int ret; - u8 range_sel, sel; - ret = spmi_regulator_select_voltage(vreg, min_uV, max_uV, &range_sel, - &sel, selector); - if (ret) { - dev_err(vreg->dev, "could not set voltage, ret=%d\n", ret); - return ret; - } + return spmi_regulator_select_voltage(vreg, min_uV, max_uV); +} + +static int spmi_regulator_single_range_set_voltage(struct regulator_dev *rdev, + unsigned selector) +{ + struct spmi_regulator *vreg = rdev_get_drvdata(rdev); + u8 sel = selector; /* * Certain types of regulators do not have a range select register so @@ -748,27 +782,24 @@ static int spmi_regulator_single_range_set_voltage(struct regulator_dev *rdev, static int spmi_regulator_single_range_get_voltage(struct regulator_dev *rdev) { struct spmi_regulator *vreg = rdev_get_drvdata(rdev); - const struct spmi_voltage_range *range = vreg->set_points->range; - u8 voltage_sel; + u8 selector; + int ret; - spmi_vreg_read(vreg, SPMI_COMMON_REG_VOLTAGE_SET, &voltage_sel, 1); + ret = spmi_vreg_read(vreg, SPMI_COMMON_REG_VOLTAGE_SET, &selector, 1); + if (ret) + return ret; - return range->step_uV * voltage_sel + range->min_uV; + return selector; } static int spmi_regulator_ult_lo_smps_set_voltage(struct regulator_dev *rdev, - int min_uV, int max_uV, unsigned *selector) + unsigned selector) { struct spmi_regulator *vreg = rdev_get_drvdata(rdev); int ret; u8 range_sel, voltage_sel; - /* - * Favor staying in the current voltage range if possible. This avoids - * voltage spikes that occur when changing the voltage range. - */ - ret = spmi_regulator_select_voltage_same_range(vreg, min_uV, max_uV, - &range_sel, &voltage_sel, selector); + ret = spmi_sw_selector_to_hw(vreg, selector, &range_sel, &voltage_sel); if (ret) return ret; @@ -783,7 +814,7 @@ static int spmi_regulator_ult_lo_smps_set_voltage(struct regulator_dev *rdev, voltage_sel |= ULT_SMPS_RANGE_SPLIT; return spmi_vreg_update_bits(vreg, SPMI_COMMON_REG_VOLTAGE_SET, - voltage_sel, 0xff); + voltage_sel, 0xff); } static int spmi_regulator_ult_lo_smps_get_voltage(struct regulator_dev *rdev) @@ -796,12 +827,12 @@ static int spmi_regulator_ult_lo_smps_get_voltage(struct regulator_dev *rdev) range = spmi_regulator_find_range(vreg); if (!range) - return VOLTAGE_UNKNOWN; + return -EINVAL; if (range->range_sel == 1) voltage_sel &= ~ULT_SMPS_RANGE_SPLIT; - return range->step_uV * voltage_sel + range->min_uV; + return spmi_hw_selector_to_sw(vreg, voltage_sel, range); } static int spmi_regulator_common_list_voltage(struct regulator_dev *rdev, @@ -1007,8 +1038,10 @@ static struct regulator_ops spmi_smps_ops = { .enable = spmi_regulator_common_enable, .disable = spmi_regulator_common_disable, .is_enabled = spmi_regulator_common_is_enabled, - .set_voltage = spmi_regulator_common_set_voltage, - .get_voltage = spmi_regulator_common_get_voltage, + .set_voltage_sel = spmi_regulator_common_set_voltage, + .set_voltage_time_sel = spmi_regulator_set_voltage_time_sel, + .get_voltage_sel = spmi_regulator_common_get_voltage, + .map_voltage = spmi_regulator_common_map_voltage, .list_voltage = spmi_regulator_common_list_voltage, .set_mode = spmi_regulator_common_set_mode, .get_mode = spmi_regulator_common_get_mode, @@ -1020,8 +1053,9 @@ static struct regulator_ops spmi_ldo_ops = { .enable = spmi_regulator_common_enable, .disable = spmi_regulator_common_disable, .is_enabled = spmi_regulator_common_is_enabled, - .set_voltage = spmi_regulator_common_set_voltage, - .get_voltage = spmi_regulator_common_get_voltage, + .set_voltage_sel = spmi_regulator_common_set_voltage, + .get_voltage_sel = spmi_regulator_common_get_voltage, + .map_voltage = spmi_regulator_common_map_voltage, .list_voltage = spmi_regulator_common_list_voltage, .set_mode = spmi_regulator_common_set_mode, .get_mode = spmi_regulator_common_get_mode, @@ -1036,8 +1070,9 @@ static struct regulator_ops spmi_ln_ldo_ops = { .enable = spmi_regulator_common_enable, .disable = spmi_regulator_common_disable, .is_enabled = spmi_regulator_common_is_enabled, - .set_voltage = spmi_regulator_common_set_voltage, - .get_voltage = spmi_regulator_common_get_voltage, + .set_voltage_sel = spmi_regulator_common_set_voltage, + .get_voltage_sel = spmi_regulator_common_get_voltage, + .map_voltage = spmi_regulator_common_map_voltage, .list_voltage = spmi_regulator_common_list_voltage, .set_bypass = spmi_regulator_common_set_bypass, .get_bypass = spmi_regulator_common_get_bypass, @@ -1056,8 +1091,9 @@ static struct regulator_ops spmi_boost_ops = { .enable = spmi_regulator_common_enable, .disable = spmi_regulator_common_disable, .is_enabled = spmi_regulator_common_is_enabled, - .set_voltage = spmi_regulator_single_range_set_voltage, - .get_voltage = spmi_regulator_single_range_get_voltage, + .set_voltage_sel = spmi_regulator_single_range_set_voltage, + .get_voltage_sel = spmi_regulator_single_range_get_voltage, + .map_voltage = spmi_regulator_single_map_voltage, .list_voltage = spmi_regulator_common_list_voltage, .set_input_current_limit = spmi_regulator_set_ilim, }; @@ -1066,9 +1102,10 @@ static struct regulator_ops spmi_ftsmps_ops = { .enable = spmi_regulator_common_enable, .disable = spmi_regulator_common_disable, .is_enabled = spmi_regulator_common_is_enabled, - .set_voltage = spmi_regulator_common_set_voltage, + .set_voltage_sel = spmi_regulator_common_set_voltage, .set_voltage_time_sel = spmi_regulator_set_voltage_time_sel, - .get_voltage = spmi_regulator_common_get_voltage, + .get_voltage_sel = spmi_regulator_common_get_voltage, + .map_voltage = spmi_regulator_common_map_voltage, .list_voltage = spmi_regulator_common_list_voltage, .set_mode = spmi_regulator_common_set_mode, .get_mode = spmi_regulator_common_get_mode, @@ -1080,8 +1117,9 @@ static struct regulator_ops spmi_ult_lo_smps_ops = { .enable = spmi_regulator_common_enable, .disable = spmi_regulator_common_disable, .is_enabled = spmi_regulator_common_is_enabled, - .set_voltage = spmi_regulator_ult_lo_smps_set_voltage, - .get_voltage = spmi_regulator_ult_lo_smps_get_voltage, + .set_voltage_sel = spmi_regulator_ult_lo_smps_set_voltage, + .set_voltage_time_sel = spmi_regulator_set_voltage_time_sel, + .get_voltage_sel = spmi_regulator_ult_lo_smps_get_voltage, .list_voltage = spmi_regulator_common_list_voltage, .set_mode = spmi_regulator_common_set_mode, .get_mode = spmi_regulator_common_get_mode, @@ -1093,8 +1131,10 @@ static struct regulator_ops spmi_ult_ho_smps_ops = { .enable = spmi_regulator_common_enable, .disable = spmi_regulator_common_disable, .is_enabled = spmi_regulator_common_is_enabled, - .set_voltage = spmi_regulator_single_range_set_voltage, - .get_voltage = spmi_regulator_single_range_get_voltage, + .set_voltage_sel = spmi_regulator_single_range_set_voltage, + .set_voltage_time_sel = spmi_regulator_set_voltage_time_sel, + .get_voltage_sel = spmi_regulator_single_range_get_voltage, + .map_voltage = spmi_regulator_single_map_voltage, .list_voltage = spmi_regulator_common_list_voltage, .set_mode = spmi_regulator_common_set_mode, .get_mode = spmi_regulator_common_get_mode, @@ -1106,8 +1146,9 @@ static struct regulator_ops spmi_ult_ldo_ops = { .enable = spmi_regulator_common_enable, .disable = spmi_regulator_common_disable, .is_enabled = spmi_regulator_common_is_enabled, - .set_voltage = spmi_regulator_single_range_set_voltage, - .get_voltage = spmi_regulator_single_range_get_voltage, + .set_voltage_sel = spmi_regulator_single_range_set_voltage, + .get_voltage_sel = spmi_regulator_single_range_get_voltage, + .map_voltage = spmi_regulator_single_map_voltage, .list_voltage = spmi_regulator_common_list_voltage, .set_mode = spmi_regulator_common_set_mode, .get_mode = spmi_regulator_common_get_mode, @@ -1201,7 +1242,7 @@ static int spmi_regulator_match(struct spmi_regulator *vreg, u16 force_type) ret = spmi_vreg_read(vreg, SPMI_COMMON_REG_DIG_MAJOR_REV, version, ARRAY_SIZE(version)); if (ret) { - dev_err(vreg->dev, "could not read version registers\n"); + dev_dbg(vreg->dev, "could not read version registers\n"); return ret; } dig_major_rev = version[SPMI_COMMON_REG_DIG_MAJOR_REV @@ -1245,11 +1286,11 @@ found: return 0; } -static int spmi_regulator_ftsmps_init_slew_rate(struct spmi_regulator *vreg) +static int spmi_regulator_init_slew_rate(struct spmi_regulator *vreg) { int ret; u8 reg = 0; - int step, delay, slew_rate; + int step, delay, slew_rate, step_delay; const struct spmi_voltage_range *range; ret = spmi_vreg_read(vreg, SPMI_COMMON_REG_STEP_CTRL, ®, 1); @@ -1262,6 +1303,15 @@ static int spmi_regulator_ftsmps_init_slew_rate(struct spmi_regulator *vreg) if (!range) return -EINVAL; + switch (vreg->logical_type) { + case SPMI_REGULATOR_LOGICAL_TYPE_FTSMPS: + step_delay = SPMI_FTSMPS_STEP_DELAY; + break; + default: + step_delay = SPMI_DEFAULT_STEP_DELAY; + break; + } + step = reg & SPMI_FTSMPS_STEP_CTRL_STEP_MASK; step >>= SPMI_FTSMPS_STEP_CTRL_STEP_SHIFT; @@ -1270,7 +1320,7 @@ static int spmi_regulator_ftsmps_init_slew_rate(struct spmi_regulator *vreg) /* slew_rate has units of uV/us */ slew_rate = SPMI_FTSMPS_CLOCK_RATE * range->step_uV * (1 << step); - slew_rate /= 1000 * (SPMI_FTSMPS_STEP_DELAY << delay); + slew_rate /= 1000 * (step_delay << delay); slew_rate *= SPMI_FTSMPS_STEP_MARGIN_NUM; slew_rate /= SPMI_FTSMPS_STEP_MARGIN_DEN; @@ -1411,10 +1461,16 @@ static int spmi_regulator_of_parse(struct device_node *node, return ret; } - if (vreg->logical_type == SPMI_REGULATOR_LOGICAL_TYPE_FTSMPS) { - ret = spmi_regulator_ftsmps_init_slew_rate(vreg); + switch (vreg->logical_type) { + case SPMI_REGULATOR_LOGICAL_TYPE_FTSMPS: + case SPMI_REGULATOR_LOGICAL_TYPE_ULT_LO_SMPS: + case SPMI_REGULATOR_LOGICAL_TYPE_ULT_HO_SMPS: + case SPMI_REGULATOR_LOGICAL_TYPE_SMPS: + ret = spmi_regulator_init_slew_rate(vreg); if (ret) return ret; + default: + break; } if (vreg->logical_type != SPMI_REGULATOR_LOGICAL_TYPE_VS) @@ -1510,10 +1566,61 @@ static const struct spmi_regulator_data pm8916_regulators[] = { { } }; +static const struct spmi_regulator_data pm8994_regulators[] = { + { "s1", 0x1400, "vdd_s1", }, + { "s2", 0x1700, "vdd_s2", }, + { "s3", 0x1a00, "vdd_s3", }, + { "s4", 0x1d00, "vdd_s4", }, + { "s5", 0x2000, "vdd_s5", }, + { "s6", 0x2300, "vdd_s6", }, + { "s7", 0x2600, "vdd_s7", }, + { "s8", 0x2900, "vdd_s8", }, + { "s9", 0x2c00, "vdd_s9", }, + { "s10", 0x2f00, "vdd_s10", }, + { "s11", 0x3200, "vdd_s11", }, + { "s12", 0x3500, "vdd_s12", }, + { "l1", 0x4000, "vdd_l1", }, + { "l2", 0x4100, "vdd_l2_l26_l28", }, + { "l3", 0x4200, "vdd_l3_l11", }, + { "l4", 0x4300, "vdd_l4_l27_l31", }, + { "l5", 0x4400, "vdd_l5_l7", }, + { "l6", 0x4500, "vdd_l6_l12_l32", }, + { "l7", 0x4600, "vdd_l5_l7", }, + { "l8", 0x4700, "vdd_l8_l16_l30", }, + { "l9", 0x4800, "vdd_l9_l10_l18_l22", }, + { "l10", 0x4900, "vdd_l9_l10_l18_l22", }, + { "l11", 0x4a00, "vdd_l3_l11", }, + { "l12", 0x4b00, "vdd_l6_l12_l32", }, + { "l13", 0x4c00, "vdd_l13_l19_l23_l24", }, + { "l14", 0x4d00, "vdd_l14_l15", }, + { "l15", 0x4e00, "vdd_l14_l15", }, + { "l16", 0x4f00, "vdd_l8_l16_l30", }, + { "l17", 0x5000, "vdd_l17_l29", }, + { "l18", 0x5100, "vdd_l9_l10_l18_l22", }, + { "l19", 0x5200, "vdd_l13_l19_l23_l24", }, + { "l20", 0x5300, "vdd_l20_l21", }, + { "l21", 0x5400, "vdd_l20_l21", }, + { "l22", 0x5500, "vdd_l9_l10_l18_l22", }, + { "l23", 0x5600, "vdd_l13_l19_l23_l24", }, + { "l24", 0x5700, "vdd_l13_l19_l23_l24", }, + { "l25", 0x5800, "vdd_l25", }, + { "l26", 0x5900, "vdd_l2_l26_l28", }, + { "l27", 0x5a00, "vdd_l4_l27_l31", }, + { "l28", 0x5b00, "vdd_l2_l26_l28", }, + { "l29", 0x5c00, "vdd_l17_l29", }, + { "l30", 0x5d00, "vdd_l8_l16_l30", }, + { "l31", 0x5e00, "vdd_l4_l27_l31", }, + { "l32", 0x5f00, "vdd_l6_l12_l32", }, + { "lvs1", 0x8000, "vdd_lvs_1_2", }, + { "lvs2", 0x8100, "vdd_lvs_1_2", }, + { } +}; + static const struct of_device_id qcom_spmi_regulator_match[] = { { .compatible = "qcom,pm8841-regulators", .data = &pm8841_regulators }, { .compatible = "qcom,pm8916-regulators", .data = &pm8916_regulators }, { .compatible = "qcom,pm8941-regulators", .data = &pm8941_regulators }, + { .compatible = "qcom,pm8994-regulators", .data = &pm8994_regulators }, { } }; MODULE_DEVICE_TABLE(of, qcom_spmi_regulator_match); @@ -1573,7 +1680,7 @@ static int qcom_spmi_regulator_probe(struct platform_device *pdev) ret = spmi_regulator_match(vreg, reg->force_type); if (ret) - goto err; + continue; config.dev = dev; config.driver_data = vreg; diff --git a/drivers/regulator/rk808-regulator.c b/drivers/regulator/rk808-regulator.c index d86a3dcd61e2..40d07ba036e7 100644 --- a/drivers/regulator/rk808-regulator.c +++ b/drivers/regulator/rk808-regulator.c @@ -55,6 +55,42 @@ /* max steps for increase voltage of Buck1/2, equal 100mv*/ #define MAX_STEPS_ONE_TIME 8 +#define RK8XX_DESC(_id, _match, _supply, _min, _max, _step, _vreg, \ + _vmask, _ereg, _emask, _etime) \ + [_id] = { \ + .name = (_match), \ + .supply_name = (_supply), \ + .of_match = of_match_ptr(_match), \ + .regulators_node = of_match_ptr("regulators"), \ + .type = REGULATOR_VOLTAGE, \ + .id = (_id), \ + .n_voltages = (((_max) - (_min)) / (_step) + 1), \ + .owner = THIS_MODULE, \ + .min_uV = (_min) * 1000, \ + .uV_step = (_step) * 1000, \ + .vsel_reg = (_vreg), \ + .vsel_mask = (_vmask), \ + .enable_reg = (_ereg), \ + .enable_mask = (_emask), \ + .enable_time = (_etime), \ + .ops = &rk808_reg_ops, \ + } + +#define RK8XX_DESC_SWITCH(_id, _match, _supply, _ereg, _emask) \ + [_id] = { \ + .name = (_match), \ + .supply_name = (_supply), \ + .of_match = of_match_ptr(_match), \ + .regulators_node = of_match_ptr("regulators"), \ + .type = REGULATOR_VOLTAGE, \ + .id = (_id), \ + .enable_reg = (_ereg), \ + .enable_mask = (_emask), \ + .owner = THIS_MODULE, \ + .ops = &rk808_switch_ops \ + } + + struct rk808_regulator_data { struct gpio_desc *dvs_gpio[2]; }; @@ -66,27 +102,11 @@ static const int rk808_buck_config_regs[] = { RK808_BUCK4_CONFIG_REG, }; -static const struct regulator_linear_range rk808_buck_voltage_ranges[] = { - REGULATOR_LINEAR_RANGE(712500, 0, 63, 12500), -}; - -static const struct regulator_linear_range rk808_buck4_voltage_ranges[] = { - REGULATOR_LINEAR_RANGE(1800000, 0, 15, 100000), -}; - -static const struct regulator_linear_range rk808_ldo_voltage_ranges[] = { - REGULATOR_LINEAR_RANGE(1800000, 0, 16, 100000), -}; - static const struct regulator_linear_range rk808_ldo3_voltage_ranges[] = { REGULATOR_LINEAR_RANGE(800000, 0, 13, 100000), REGULATOR_LINEAR_RANGE(2500000, 15, 15, 0), }; -static const struct regulator_linear_range rk808_ldo6_voltage_ranges[] = { - REGULATOR_LINEAR_RANGE(800000, 0, 17, 100000), -}; - static int rk808_buck1_2_get_voltage_sel_regmap(struct regulator_dev *rdev) { struct rk808_regulator_data *pdata = rdev_get_drvdata(rdev); @@ -242,6 +262,21 @@ static int rk808_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay) static int rk808_set_suspend_voltage(struct regulator_dev *rdev, int uv) { unsigned int reg; + int sel = regulator_map_voltage_linear(rdev, uv, uv); + + if (sel < 0) + return -EINVAL; + + reg = rdev->desc->vsel_reg + RK808_SLP_REG_OFFSET; + + return regmap_update_bits(rdev->regmap, reg, + rdev->desc->vsel_mask, + sel); +} + +static int rk808_set_suspend_voltage_range(struct regulator_dev *rdev, int uv) +{ + unsigned int reg; int sel = regulator_map_voltage_linear_range(rdev, uv, uv); if (sel < 0) @@ -277,8 +312,8 @@ static int rk808_set_suspend_disable(struct regulator_dev *rdev) } static struct regulator_ops rk808_buck1_2_ops = { - .list_voltage = regulator_list_voltage_linear_range, - .map_voltage = regulator_map_voltage_linear_range, + .list_voltage = regulator_list_voltage_linear, + .map_voltage = regulator_map_voltage_linear, .get_voltage_sel = rk808_buck1_2_get_voltage_sel_regmap, .set_voltage_sel = rk808_buck1_2_set_voltage_sel, .set_voltage_time_sel = rk808_buck1_2_set_voltage_time_sel, @@ -292,6 +327,19 @@ static struct regulator_ops rk808_buck1_2_ops = { }; static struct regulator_ops rk808_reg_ops = { + .list_voltage = regulator_list_voltage_linear, + .map_voltage = regulator_map_voltage_linear, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .set_suspend_voltage = rk808_set_suspend_voltage, + .set_suspend_enable = rk808_set_suspend_enable, + .set_suspend_disable = rk808_set_suspend_disable, +}; + +static struct regulator_ops rk808_reg_ops_ranges = { .list_voltage = regulator_list_voltage_linear_range, .map_voltage = regulator_map_voltage_linear_range, .get_voltage_sel = regulator_get_voltage_sel_regmap, @@ -299,7 +347,7 @@ static struct regulator_ops rk808_reg_ops = { .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, .is_enabled = regulator_is_enabled_regmap, - .set_suspend_voltage = rk808_set_suspend_voltage, + .set_suspend_voltage = rk808_set_suspend_voltage_range, .set_suspend_enable = rk808_set_suspend_enable, .set_suspend_disable = rk808_set_suspend_disable, }; @@ -316,12 +364,14 @@ static const struct regulator_desc rk808_reg[] = { { .name = "DCDC_REG1", .supply_name = "vcc1", + .of_match = of_match_ptr("DCDC_R |