12ece646cSMatti Vaittinen // SPDX-License-Identifier: GPL-2.0 22ece646cSMatti Vaittinen // Copyright (C) 2018 ROHM Semiconductors 32ece646cSMatti Vaittinen // bd71837-regulator.c ROHM BD71837MWV/BD71847MWV regulator driver 42ece646cSMatti Vaittinen 52ece646cSMatti Vaittinen #include <linux/delay.h> 62ece646cSMatti Vaittinen #include <linux/err.h> 72ece646cSMatti Vaittinen #include <linux/interrupt.h> 82ece646cSMatti Vaittinen #include <linux/kernel.h> 92ece646cSMatti Vaittinen #include <linux/mfd/rohm-bd718x7.h> 102ece646cSMatti Vaittinen #include <linux/module.h> 119cce7244SMatti Vaittinen #include <linux/of.h> 122ece646cSMatti Vaittinen #include <linux/platform_device.h> 132ece646cSMatti Vaittinen #include <linux/regulator/driver.h> 142ece646cSMatti Vaittinen #include <linux/regulator/machine.h> 152ece646cSMatti Vaittinen #include <linux/regulator/of_regulator.h> 162ece646cSMatti Vaittinen #include <linux/slab.h> 172ece646cSMatti Vaittinen 182ece646cSMatti Vaittinen /* 191d848d68SMatti Vaittinen * BD718(37/47/50) have two "enable control modes". ON/OFF can either be 201d848d68SMatti Vaittinen * controlled by software - or by PMIC internal HW state machine. Whether 211d848d68SMatti Vaittinen * regulator should be under SW or HW control can be defined from device-tree. 221d848d68SMatti Vaittinen * Let's provide separate ops for regulators to use depending on the "enable 231d848d68SMatti Vaittinen * control mode". 241d848d68SMatti Vaittinen */ 251d848d68SMatti Vaittinen #define BD718XX_HWOPNAME(swopname) swopname##_hwcontrol 261d848d68SMatti Vaittinen 271d848d68SMatti Vaittinen #define BD718XX_OPS(name, _list_voltage, _map_voltage, _set_voltage_sel, \ 281d848d68SMatti Vaittinen _get_voltage_sel, _set_voltage_time_sel, _set_ramp_delay) \ 291d848d68SMatti Vaittinen static const struct regulator_ops name = { \ 301d848d68SMatti Vaittinen .enable = regulator_enable_regmap, \ 311d848d68SMatti Vaittinen .disable = regulator_disable_regmap, \ 321d848d68SMatti Vaittinen .is_enabled = regulator_is_enabled_regmap, \ 331d848d68SMatti Vaittinen .list_voltage = (_list_voltage), \ 341d848d68SMatti Vaittinen .map_voltage = (_map_voltage), \ 351d848d68SMatti Vaittinen .set_voltage_sel = (_set_voltage_sel), \ 361d848d68SMatti Vaittinen .get_voltage_sel = (_get_voltage_sel), \ 371d848d68SMatti Vaittinen .set_voltage_time_sel = (_set_voltage_time_sel), \ 381d848d68SMatti Vaittinen .set_ramp_delay = (_set_ramp_delay), \ 391d848d68SMatti Vaittinen }; \ 401d848d68SMatti Vaittinen \ 411d848d68SMatti Vaittinen static const struct regulator_ops BD718XX_HWOPNAME(name) = { \ 421d848d68SMatti Vaittinen .is_enabled = always_enabled_by_hwstate, \ 431d848d68SMatti Vaittinen .list_voltage = (_list_voltage), \ 441d848d68SMatti Vaittinen .map_voltage = (_map_voltage), \ 451d848d68SMatti Vaittinen .set_voltage_sel = (_set_voltage_sel), \ 461d848d68SMatti Vaittinen .get_voltage_sel = (_get_voltage_sel), \ 471d848d68SMatti Vaittinen .set_voltage_time_sel = (_set_voltage_time_sel), \ 481d848d68SMatti Vaittinen .set_ramp_delay = (_set_ramp_delay), \ 491d848d68SMatti Vaittinen } \ 501d848d68SMatti Vaittinen 511d848d68SMatti Vaittinen /* 522ece646cSMatti Vaittinen * BUCK1/2/3/4 532ece646cSMatti Vaittinen * BUCK1RAMPRATE[1:0] BUCK1 DVS ramp rate setting 542ece646cSMatti Vaittinen * 00: 10.00mV/usec 10mV 1uS 552ece646cSMatti Vaittinen * 01: 5.00mV/usec 10mV 2uS 562ece646cSMatti Vaittinen * 10: 2.50mV/usec 10mV 4uS 572ece646cSMatti Vaittinen * 11: 1.25mV/usec 10mV 8uS 582ece646cSMatti Vaittinen */ 592ece646cSMatti Vaittinen static int bd718xx_buck1234_set_ramp_delay(struct regulator_dev *rdev, 602ece646cSMatti Vaittinen int ramp_delay) 612ece646cSMatti Vaittinen { 620a245f0eSAxel Lin int id = rdev_get_id(rdev); 630a245f0eSAxel Lin unsigned int ramp_value; 642ece646cSMatti Vaittinen 65bcb047ebSAxel Lin dev_dbg(&rdev->dev, "Buck[%d] Set Ramp = %d\n", id + 1, 662ece646cSMatti Vaittinen ramp_delay); 672ece646cSMatti Vaittinen switch (ramp_delay) { 682ece646cSMatti Vaittinen case 1 ... 1250: 692ece646cSMatti Vaittinen ramp_value = BUCK_RAMPRATE_1P25MV; 702ece646cSMatti Vaittinen break; 712ece646cSMatti Vaittinen case 1251 ... 2500: 722ece646cSMatti Vaittinen ramp_value = BUCK_RAMPRATE_2P50MV; 732ece646cSMatti Vaittinen break; 742ece646cSMatti Vaittinen case 2501 ... 5000: 752ece646cSMatti Vaittinen ramp_value = BUCK_RAMPRATE_5P00MV; 762ece646cSMatti Vaittinen break; 772ece646cSMatti Vaittinen case 5001 ... 10000: 782ece646cSMatti Vaittinen ramp_value = BUCK_RAMPRATE_10P00MV; 792ece646cSMatti Vaittinen break; 802ece646cSMatti Vaittinen default: 812ece646cSMatti Vaittinen ramp_value = BUCK_RAMPRATE_10P00MV; 82bcb047ebSAxel Lin dev_err(&rdev->dev, 832ece646cSMatti Vaittinen "%s: ramp_delay: %d not supported, setting 10000mV//us\n", 842ece646cSMatti Vaittinen rdev->desc->name, ramp_delay); 852ece646cSMatti Vaittinen } 862ece646cSMatti Vaittinen 87bcb047ebSAxel Lin return regmap_update_bits(rdev->regmap, BD718XX_REG_BUCK1_CTRL + id, 882ece646cSMatti Vaittinen BUCK_RAMPRATE_MASK, ramp_value << 6); 892ece646cSMatti Vaittinen } 902ece646cSMatti Vaittinen 911d848d68SMatti Vaittinen /* These functions are used when regulators are under HW state machine control. 921d848d68SMatti Vaittinen * We assume PMIC is in RUN state because SW running and able to query the 931d848d68SMatti Vaittinen * status. Most of the regulators have fixed ON or OFF state at RUN/IDLE so for 941d848d68SMatti Vaittinen * them we just return a constant. BD71837 BUCK3 and BUCK4 are exceptions as 951d848d68SMatti Vaittinen * they support configuring the ON/OFF state for RUN. 961d848d68SMatti Vaittinen * 971d848d68SMatti Vaittinen * Note for next hacker - these PMICs have a register where the HW state can be 981d848d68SMatti Vaittinen * read. If assuming RUN appears to be false in your use-case - you can 991d848d68SMatti Vaittinen * implement state reading (although that is not going to be atomic) before 1001d848d68SMatti Vaittinen * returning the enable state. 1011d848d68SMatti Vaittinen */ 1021d848d68SMatti Vaittinen static int always_enabled_by_hwstate(struct regulator_dev *rdev) 1031d848d68SMatti Vaittinen { 1041d848d68SMatti Vaittinen return 1; 1051d848d68SMatti Vaittinen } 1061d848d68SMatti Vaittinen 1071d848d68SMatti Vaittinen static int never_enabled_by_hwstate(struct regulator_dev *rdev) 1081d848d68SMatti Vaittinen { 1091d848d68SMatti Vaittinen return 0; 1101d848d68SMatti Vaittinen } 1111d848d68SMatti Vaittinen 1121d848d68SMatti Vaittinen static int bd71837_get_buck34_enable_hwctrl(struct regulator_dev *rdev) 1131d848d68SMatti Vaittinen { 1141d848d68SMatti Vaittinen int ret; 1151d848d68SMatti Vaittinen unsigned int val; 1161d848d68SMatti Vaittinen 1171d848d68SMatti Vaittinen ret = regmap_read(rdev->regmap, rdev->desc->enable_reg, &val); 1181d848d68SMatti Vaittinen if (ret) 1191d848d68SMatti Vaittinen return ret; 1201d848d68SMatti Vaittinen 1211d848d68SMatti Vaittinen return !!(BD718XX_BUCK_RUN_ON & val); 1221d848d68SMatti Vaittinen } 123f0ca7b24SMatti Vaittinen /* 124f0ca7b24SMatti Vaittinen * On BD71837 (not on BD71847, BD71850, ...) 125f0ca7b24SMatti Vaittinen * Bucks 1 to 4 support DVS. PWM mode is used when voltage is changed. 1262ece646cSMatti Vaittinen * Bucks 5 to 8 and LDOs can use PFM and must be disabled when voltage 1272ece646cSMatti Vaittinen * is changed. Hence we return -EBUSY for these if voltage is changed 1282ece646cSMatti Vaittinen * when BUCK/LDO is enabled. 129f0ca7b24SMatti Vaittinen * 1309bcbabafSMatti Vaittinen * On BD71847, BD71850, ... The LDO voltage can be changed when LDO is 1319bcbabafSMatti Vaittinen * enabled. But if voltage is increased the LDO power-good monitoring 1329bcbabafSMatti Vaittinen * must be disabled for the duration of changing + 1mS to ensure voltage 1339bcbabafSMatti Vaittinen * has reached the higher level before HW does next under voltage detection 1349bcbabafSMatti Vaittinen * cycle. 1352ece646cSMatti Vaittinen */ 1369bcbabafSMatti Vaittinen static int bd71837_set_voltage_sel_restricted(struct regulator_dev *rdev, 1372ece646cSMatti Vaittinen unsigned int sel) 1382ece646cSMatti Vaittinen { 1391d848d68SMatti Vaittinen if (rdev->desc->ops->is_enabled(rdev)) 1402ece646cSMatti Vaittinen return -EBUSY; 1412ece646cSMatti Vaittinen 1422ece646cSMatti Vaittinen return regulator_set_voltage_sel_regmap(rdev, sel); 1432ece646cSMatti Vaittinen } 1442ece646cSMatti Vaittinen 1459bcbabafSMatti Vaittinen static void voltage_change_done(struct regulator_dev *rdev, unsigned int sel, 1469bcbabafSMatti Vaittinen unsigned int *mask) 1479bcbabafSMatti Vaittinen { 1489bcbabafSMatti Vaittinen int ret; 1499bcbabafSMatti Vaittinen 1509bcbabafSMatti Vaittinen if (*mask) { 1519bcbabafSMatti Vaittinen /* 1529bcbabafSMatti Vaittinen * Let's allow scheduling as we use I2C anyways. We just need to 1539bcbabafSMatti Vaittinen * guarantee minimum of 1ms sleep - it shouldn't matter if we 1549bcbabafSMatti Vaittinen * exceed it due to the scheduling. 1559bcbabafSMatti Vaittinen */ 1569bcbabafSMatti Vaittinen msleep(1); 1579bcbabafSMatti Vaittinen /* 1589bcbabafSMatti Vaittinen * Note for next hacker. The PWRGOOD should not be masked on 1599bcbabafSMatti Vaittinen * BD71847 so we will just unconditionally enable detection 1609bcbabafSMatti Vaittinen * when voltage is set. 1619bcbabafSMatti Vaittinen * If someone want's to disable PWRGOOD he must implement 1629bcbabafSMatti Vaittinen * caching and restoring the old value here. I am not 1639bcbabafSMatti Vaittinen * aware of such use-cases so for the sake of the simplicity 1649bcbabafSMatti Vaittinen * we just always enable PWRGOOD here. 1659bcbabafSMatti Vaittinen */ 1669bcbabafSMatti Vaittinen ret = regmap_update_bits(rdev->regmap, BD718XX_REG_MVRFLTMASK2, 1679bcbabafSMatti Vaittinen *mask, 0); 1689bcbabafSMatti Vaittinen if (ret) 1699bcbabafSMatti Vaittinen dev_err(&rdev->dev, 1709bcbabafSMatti Vaittinen "Failed to re-enable voltage monitoring (%d)\n", 1719bcbabafSMatti Vaittinen ret); 1729bcbabafSMatti Vaittinen } 1739bcbabafSMatti Vaittinen } 1749bcbabafSMatti Vaittinen 1759bcbabafSMatti Vaittinen static int voltage_change_prepare(struct regulator_dev *rdev, unsigned int sel, 1769bcbabafSMatti Vaittinen unsigned int *mask) 1779bcbabafSMatti Vaittinen { 1789bcbabafSMatti Vaittinen int ret; 1799bcbabafSMatti Vaittinen 1809bcbabafSMatti Vaittinen *mask = 0; 1811d848d68SMatti Vaittinen if (rdev->desc->ops->is_enabled(rdev)) { 1829bcbabafSMatti Vaittinen int now, new; 1839bcbabafSMatti Vaittinen 1849bcbabafSMatti Vaittinen now = rdev->desc->ops->get_voltage_sel(rdev); 1859bcbabafSMatti Vaittinen if (now < 0) 1869bcbabafSMatti Vaittinen return now; 1879bcbabafSMatti Vaittinen 1889bcbabafSMatti Vaittinen now = rdev->desc->ops->list_voltage(rdev, now); 1899bcbabafSMatti Vaittinen if (now < 0) 1909bcbabafSMatti Vaittinen return now; 1919bcbabafSMatti Vaittinen 1929bcbabafSMatti Vaittinen new = rdev->desc->ops->list_voltage(rdev, sel); 1939bcbabafSMatti Vaittinen if (new < 0) 1949bcbabafSMatti Vaittinen return new; 1959bcbabafSMatti Vaittinen 1969bcbabafSMatti Vaittinen /* 1979bcbabafSMatti Vaittinen * If we increase LDO voltage when LDO is enabled we need to 1989bcbabafSMatti Vaittinen * disable the power-good detection until voltage has reached 1999bcbabafSMatti Vaittinen * the new level. According to HW colleagues the maximum time 2009bcbabafSMatti Vaittinen * it takes is 1000us. I assume that on systems with light load 2019bcbabafSMatti Vaittinen * this might be less - and we could probably use DT to give 2029bcbabafSMatti Vaittinen * system specific delay value if performance matters. 2039bcbabafSMatti Vaittinen * 2049bcbabafSMatti Vaittinen * Well, knowing we use I2C here and can add scheduling delays 2059bcbabafSMatti Vaittinen * I don't think it is worth the hassle and I just add fixed 2069bcbabafSMatti Vaittinen * 1ms sleep here (and allow scheduling). If this turns out to 2079bcbabafSMatti Vaittinen * be a problem we can change it to delay and make the delay 2089bcbabafSMatti Vaittinen * time configurable. 2099bcbabafSMatti Vaittinen */ 2109bcbabafSMatti Vaittinen if (new > now) { 2119bcbabafSMatti Vaittinen int ldo_offset = rdev->desc->id - BD718XX_LDO1; 2129bcbabafSMatti Vaittinen 2139bcbabafSMatti Vaittinen *mask = BD718XX_LDO1_VRMON80 << ldo_offset; 2149bcbabafSMatti Vaittinen ret = regmap_update_bits(rdev->regmap, 2159bcbabafSMatti Vaittinen BD718XX_REG_MVRFLTMASK2, 2169bcbabafSMatti Vaittinen *mask, *mask); 2179bcbabafSMatti Vaittinen if (ret) { 2189bcbabafSMatti Vaittinen dev_err(&rdev->dev, 2199bcbabafSMatti Vaittinen "Failed to stop voltage monitoring\n"); 2209bcbabafSMatti Vaittinen return ret; 2219bcbabafSMatti Vaittinen } 2229bcbabafSMatti Vaittinen } 2239bcbabafSMatti Vaittinen } 2249bcbabafSMatti Vaittinen 2259bcbabafSMatti Vaittinen return 0; 2269bcbabafSMatti Vaittinen } 2279bcbabafSMatti Vaittinen 2289bcbabafSMatti Vaittinen static int bd718xx_set_voltage_sel_restricted(struct regulator_dev *rdev, 2299bcbabafSMatti Vaittinen unsigned int sel) 2309bcbabafSMatti Vaittinen { 2319bcbabafSMatti Vaittinen int ret; 2329bcbabafSMatti Vaittinen int mask; 2339bcbabafSMatti Vaittinen 2349bcbabafSMatti Vaittinen ret = voltage_change_prepare(rdev, sel, &mask); 2359bcbabafSMatti Vaittinen if (ret) 2369bcbabafSMatti Vaittinen return ret; 2379bcbabafSMatti Vaittinen 2389bcbabafSMatti Vaittinen ret = regulator_set_voltage_sel_regmap(rdev, sel); 2399bcbabafSMatti Vaittinen voltage_change_done(rdev, sel, &mask); 2409bcbabafSMatti Vaittinen 2419bcbabafSMatti Vaittinen return ret; 2429bcbabafSMatti Vaittinen } 2439bcbabafSMatti Vaittinen 2442ece646cSMatti Vaittinen static int bd718xx_set_voltage_sel_pickable_restricted( 2452ece646cSMatti Vaittinen struct regulator_dev *rdev, unsigned int sel) 2462ece646cSMatti Vaittinen { 2479bcbabafSMatti Vaittinen int ret; 2489bcbabafSMatti Vaittinen int mask; 2499bcbabafSMatti Vaittinen 2509bcbabafSMatti Vaittinen ret = voltage_change_prepare(rdev, sel, &mask); 2519bcbabafSMatti Vaittinen if (ret) 2529bcbabafSMatti Vaittinen return ret; 2539bcbabafSMatti Vaittinen 2549bcbabafSMatti Vaittinen ret = regulator_set_voltage_sel_pickable_regmap(rdev, sel); 2559bcbabafSMatti Vaittinen voltage_change_done(rdev, sel, &mask); 2569bcbabafSMatti Vaittinen 2579bcbabafSMatti Vaittinen return ret; 2589bcbabafSMatti Vaittinen } 2599bcbabafSMatti Vaittinen 2609bcbabafSMatti Vaittinen static int bd71837_set_voltage_sel_pickable_restricted( 2619bcbabafSMatti Vaittinen struct regulator_dev *rdev, unsigned int sel) 2629bcbabafSMatti Vaittinen { 2631d848d68SMatti Vaittinen if (rdev->desc->ops->is_enabled(rdev)) 2642ece646cSMatti Vaittinen return -EBUSY; 2652ece646cSMatti Vaittinen 2662ece646cSMatti Vaittinen return regulator_set_voltage_sel_pickable_regmap(rdev, sel); 2672ece646cSMatti Vaittinen } 2682ece646cSMatti Vaittinen 2691d848d68SMatti Vaittinen /* 2701d848d68SMatti Vaittinen * OPS common for BD71847 and BD71850 2711d848d68SMatti Vaittinen */ 2721d848d68SMatti Vaittinen BD718XX_OPS(bd718xx_pickable_range_ldo_ops, 2731d848d68SMatti Vaittinen regulator_list_voltage_pickable_linear_range, NULL, 2741d848d68SMatti Vaittinen bd718xx_set_voltage_sel_pickable_restricted, 2751d848d68SMatti Vaittinen regulator_get_voltage_sel_pickable_regmap, NULL, NULL); 2761d848d68SMatti Vaittinen 2771d848d68SMatti Vaittinen /* BD71847 and BD71850 LDO 5 is by default OFF at RUN state */ 2781d848d68SMatti Vaittinen static const struct regulator_ops bd718xx_ldo5_ops_hwstate = { 2791d848d68SMatti Vaittinen .is_enabled = never_enabled_by_hwstate, 2802ece646cSMatti Vaittinen .list_voltage = regulator_list_voltage_pickable_linear_range, 2812ece646cSMatti Vaittinen .set_voltage_sel = bd718xx_set_voltage_sel_pickable_restricted, 2822ece646cSMatti Vaittinen .get_voltage_sel = regulator_get_voltage_sel_pickable_regmap, 2839bcbabafSMatti Vaittinen }; 2849bcbabafSMatti Vaittinen 2851d848d68SMatti Vaittinen BD718XX_OPS(bd718xx_pickable_range_buck_ops, 2861d848d68SMatti Vaittinen regulator_list_voltage_pickable_linear_range, NULL, 2871d848d68SMatti Vaittinen regulator_set_voltage_sel_pickable_regmap, 2881d848d68SMatti Vaittinen regulator_get_voltage_sel_pickable_regmap, 2891d848d68SMatti Vaittinen regulator_set_voltage_time_sel, NULL); 2902ece646cSMatti Vaittinen 2911d848d68SMatti Vaittinen BD718XX_OPS(bd718xx_ldo_regulator_ops, regulator_list_voltage_linear_range, 2921d848d68SMatti Vaittinen NULL, bd718xx_set_voltage_sel_restricted, 2931d848d68SMatti Vaittinen regulator_get_voltage_sel_regmap, NULL, NULL); 294f0ca7b24SMatti Vaittinen 2951d848d68SMatti Vaittinen BD718XX_OPS(bd718xx_ldo_regulator_nolinear_ops, regulator_list_voltage_table, 2961d848d68SMatti Vaittinen NULL, bd718xx_set_voltage_sel_restricted, 2971d848d68SMatti Vaittinen regulator_get_voltage_sel_regmap, NULL, NULL); 2982ece646cSMatti Vaittinen 2991d848d68SMatti Vaittinen BD718XX_OPS(bd718xx_buck_regulator_ops, regulator_list_voltage_linear_range, 3001d848d68SMatti Vaittinen NULL, regulator_set_voltage_sel_regmap, 3011d848d68SMatti Vaittinen regulator_get_voltage_sel_regmap, regulator_set_voltage_time_sel, 3021d848d68SMatti Vaittinen NULL); 3039bcbabafSMatti Vaittinen 3041d848d68SMatti Vaittinen BD718XX_OPS(bd718xx_buck_regulator_nolinear_ops, regulator_list_voltage_table, 3051d848d68SMatti Vaittinen regulator_map_voltage_ascend, regulator_set_voltage_sel_regmap, 3061d848d68SMatti Vaittinen regulator_get_voltage_sel_regmap, regulator_set_voltage_time_sel, 3071d848d68SMatti Vaittinen NULL); 3082ece646cSMatti Vaittinen 3091d848d68SMatti Vaittinen /* 3101d848d68SMatti Vaittinen * OPS for BD71837 3111d848d68SMatti Vaittinen */ 3121d848d68SMatti Vaittinen BD718XX_OPS(bd71837_pickable_range_ldo_ops, 3131d848d68SMatti Vaittinen regulator_list_voltage_pickable_linear_range, NULL, 3141d848d68SMatti Vaittinen bd71837_set_voltage_sel_pickable_restricted, 3151d848d68SMatti Vaittinen regulator_get_voltage_sel_pickable_regmap, NULL, NULL); 3169bcbabafSMatti Vaittinen 3171d848d68SMatti Vaittinen BD718XX_OPS(bd71837_pickable_range_buck_ops, 3181d848d68SMatti Vaittinen regulator_list_voltage_pickable_linear_range, NULL, 3191d848d68SMatti Vaittinen bd71837_set_voltage_sel_pickable_restricted, 3201d848d68SMatti Vaittinen regulator_get_voltage_sel_pickable_regmap, 3211d848d68SMatti Vaittinen regulator_set_voltage_time_sel, NULL); 3222ece646cSMatti Vaittinen 3231d848d68SMatti Vaittinen BD718XX_OPS(bd71837_ldo_regulator_ops, regulator_list_voltage_linear_range, 3241d848d68SMatti Vaittinen NULL, bd71837_set_voltage_sel_restricted, 3251d848d68SMatti Vaittinen regulator_get_voltage_sel_regmap, NULL, NULL); 326f0ca7b24SMatti Vaittinen 3271d848d68SMatti Vaittinen BD718XX_OPS(bd71837_ldo_regulator_nolinear_ops, regulator_list_voltage_table, 3281d848d68SMatti Vaittinen NULL, bd71837_set_voltage_sel_restricted, 3291d848d68SMatti Vaittinen regulator_get_voltage_sel_regmap, NULL, NULL); 3302ece646cSMatti Vaittinen 3311d848d68SMatti Vaittinen BD718XX_OPS(bd71837_buck_regulator_ops, regulator_list_voltage_linear_range, 3321d848d68SMatti Vaittinen NULL, bd71837_set_voltage_sel_restricted, 3331d848d68SMatti Vaittinen regulator_get_voltage_sel_regmap, regulator_set_voltage_time_sel, 3341d848d68SMatti Vaittinen NULL); 335f0ca7b24SMatti Vaittinen 3361d848d68SMatti Vaittinen BD718XX_OPS(bd71837_buck_regulator_nolinear_ops, regulator_list_voltage_table, 3371d848d68SMatti Vaittinen regulator_map_voltage_ascend, bd718xx_set_voltage_sel_restricted, 3381d848d68SMatti Vaittinen regulator_get_voltage_sel_regmap, regulator_set_voltage_time_sel, 3391d848d68SMatti Vaittinen NULL); 3401d848d68SMatti Vaittinen /* 3411d848d68SMatti Vaittinen * BD71837 bucks 3 and 4 support defining their enable/disable state also 3421d848d68SMatti Vaittinen * when buck enable state is under HW state machine control. In that case the 3431d848d68SMatti Vaittinen * bit [2] in CTRL register is used to indicate if regulator should be ON. 3441d848d68SMatti Vaittinen */ 3451d848d68SMatti Vaittinen static const struct regulator_ops bd71837_buck34_ops_hwctrl = { 3461d848d68SMatti Vaittinen .is_enabled = bd71837_get_buck34_enable_hwctrl, 3472ece646cSMatti Vaittinen .list_voltage = regulator_list_voltage_linear_range, 3482ece646cSMatti Vaittinen .set_voltage_sel = regulator_set_voltage_sel_regmap, 3492ece646cSMatti Vaittinen .get_voltage_sel = regulator_get_voltage_sel_regmap, 3502ece646cSMatti Vaittinen .set_voltage_time_sel = regulator_set_voltage_time_sel, 3512ece646cSMatti Vaittinen .set_ramp_delay = bd718xx_buck1234_set_ramp_delay, 3522ece646cSMatti Vaittinen }; 3532ece646cSMatti Vaittinen 3542ece646cSMatti Vaittinen /* 3551d848d68SMatti Vaittinen * OPS for all of the ICs - BD718(37/47/50) 3561d848d68SMatti Vaittinen */ 3571d848d68SMatti Vaittinen BD718XX_OPS(bd718xx_dvs_buck_regulator_ops, regulator_list_voltage_linear_range, 3581d848d68SMatti Vaittinen NULL, regulator_set_voltage_sel_regmap, 3591d848d68SMatti Vaittinen regulator_get_voltage_sel_regmap, regulator_set_voltage_time_sel, 3601d848d68SMatti Vaittinen bd718xx_buck1234_set_ramp_delay); 3611d848d68SMatti Vaittinen 3621d848d68SMatti Vaittinen /* 3632ece646cSMatti Vaittinen * BD71837 BUCK1/2/3/4 3642ece646cSMatti Vaittinen * BD71847 BUCK1/2 3652ece646cSMatti Vaittinen * 0.70 to 1.30V (10mV step) 3662ece646cSMatti Vaittinen */ 36760ab7f41SMatti Vaittinen static const struct linear_range bd718xx_dvs_buck_volts[] = { 3682ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(700000, 0x00, 0x3C, 10000), 3692ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(1300000, 0x3D, 0x3F, 0), 3702ece646cSMatti Vaittinen }; 3712ece646cSMatti Vaittinen 3722ece646cSMatti Vaittinen /* 3732ece646cSMatti Vaittinen * BD71837 BUCK5 3742ece646cSMatti Vaittinen * 0.7V to 1.35V (range 0) 3752ece646cSMatti Vaittinen * and 3762ece646cSMatti Vaittinen * 0.675 to 1.325 (range 1) 3772ece646cSMatti Vaittinen */ 37860ab7f41SMatti Vaittinen static const struct linear_range bd71837_buck5_volts[] = { 3792ece646cSMatti Vaittinen /* Ranges when VOLT_SEL bit is 0 */ 3802ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(700000, 0x00, 0x03, 100000), 3812ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(1050000, 0x04, 0x05, 50000), 3822ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(1200000, 0x06, 0x07, 150000), 3832ece646cSMatti Vaittinen /* Ranges when VOLT_SEL bit is 1 */ 3842ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(675000, 0x0, 0x3, 100000), 3852ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(1025000, 0x4, 0x5, 50000), 3862ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(1175000, 0x6, 0x7, 150000), 3872ece646cSMatti Vaittinen }; 3882ece646cSMatti Vaittinen 3892ece646cSMatti Vaittinen /* 3902ece646cSMatti Vaittinen * Range selector for first 3 linear ranges is 0x0 3912ece646cSMatti Vaittinen * and 0x1 for last 3 ranges. 3922ece646cSMatti Vaittinen */ 3932ece646cSMatti Vaittinen static const unsigned int bd71837_buck5_volt_range_sel[] = { 3942ece646cSMatti Vaittinen 0x0, 0x0, 0x0, 0x80, 0x80, 0x80 3952ece646cSMatti Vaittinen }; 3962ece646cSMatti Vaittinen 3972ece646cSMatti Vaittinen /* 3982ece646cSMatti Vaittinen * BD71847 BUCK3 3992ece646cSMatti Vaittinen */ 40060ab7f41SMatti Vaittinen static const struct linear_range bd71847_buck3_volts[] = { 4012ece646cSMatti Vaittinen /* Ranges when VOLT_SEL bits are 00 */ 4022ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(700000, 0x00, 0x03, 100000), 4032ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(1050000, 0x04, 0x05, 50000), 4042ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(1200000, 0x06, 0x07, 150000), 4052ece646cSMatti Vaittinen /* Ranges when VOLT_SEL bits are 01 */ 4062ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(550000, 0x0, 0x7, 50000), 4072ece646cSMatti Vaittinen /* Ranges when VOLT_SEL bits are 11 */ 4082ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(675000, 0x0, 0x3, 100000), 4092ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(1025000, 0x4, 0x5, 50000), 4102ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(1175000, 0x6, 0x7, 150000), 4112ece646cSMatti Vaittinen }; 4122ece646cSMatti Vaittinen 4132ece646cSMatti Vaittinen static const unsigned int bd71847_buck3_volt_range_sel[] = { 4142ece646cSMatti Vaittinen 0x0, 0x0, 0x0, 0x40, 0x80, 0x80, 0x80 4152ece646cSMatti Vaittinen }; 4162ece646cSMatti Vaittinen 41760ab7f41SMatti Vaittinen static const struct linear_range bd71847_buck4_volts[] = { 4182ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000), 4192ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(2600000, 0x00, 0x03, 100000), 4202ece646cSMatti Vaittinen }; 4212ece646cSMatti Vaittinen 4222ece646cSMatti Vaittinen static const unsigned int bd71847_buck4_volt_range_sel[] = { 0x0, 0x40 }; 4232ece646cSMatti Vaittinen 4242ece646cSMatti Vaittinen /* 4252ece646cSMatti Vaittinen * BUCK6 4262ece646cSMatti Vaittinen * 3.0V to 3.3V (step 100mV) 4272ece646cSMatti Vaittinen */ 42860ab7f41SMatti Vaittinen static const struct linear_range bd71837_buck6_volts[] = { 4292ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000), 4302ece646cSMatti Vaittinen }; 4312ece646cSMatti Vaittinen 4322ece646cSMatti Vaittinen /* 4332ece646cSMatti Vaittinen * BD71837 BUCK7 4342ece646cSMatti Vaittinen * BD71847 BUCK5 4352ece646cSMatti Vaittinen * 000 = 1.605V 4362ece646cSMatti Vaittinen * 001 = 1.695V 4372ece646cSMatti Vaittinen * 010 = 1.755V 4382ece646cSMatti Vaittinen * 011 = 1.8V (Initial) 4392ece646cSMatti Vaittinen * 100 = 1.845V 4402ece646cSMatti Vaittinen * 101 = 1.905V 4412ece646cSMatti Vaittinen * 110 = 1.95V 4422ece646cSMatti Vaittinen * 111 = 1.995V 4432ece646cSMatti Vaittinen */ 4442ece646cSMatti Vaittinen static const unsigned int bd718xx_3rd_nodvs_buck_volts[] = { 4452ece646cSMatti Vaittinen 1605000, 1695000, 1755000, 1800000, 1845000, 1905000, 1950000, 1995000 4462ece646cSMatti Vaittinen }; 4472ece646cSMatti Vaittinen 4482ece646cSMatti Vaittinen /* 4492ece646cSMatti Vaittinen * BUCK8 4502ece646cSMatti Vaittinen * 0.8V to 1.40V (step 10mV) 4512ece646cSMatti Vaittinen */ 45260ab7f41SMatti Vaittinen static const struct linear_range bd718xx_4th_nodvs_buck_volts[] = { 4532ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(800000, 0x00, 0x3C, 10000), 4542ece646cSMatti Vaittinen }; 4552ece646cSMatti Vaittinen 4562ece646cSMatti Vaittinen /* 4572ece646cSMatti Vaittinen * LDO1 4582ece646cSMatti Vaittinen * 3.0 to 3.3V (100mV step) 4592ece646cSMatti Vaittinen */ 46060ab7f41SMatti Vaittinen static const struct linear_range bd718xx_ldo1_volts[] = { 4612ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000), 4622ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(1600000, 0x00, 0x03, 100000), 4632ece646cSMatti Vaittinen }; 4642ece646cSMatti Vaittinen 4652ece646cSMatti Vaittinen static const unsigned int bd718xx_ldo1_volt_range_sel[] = { 0x0, 0x20 }; 4662ece646cSMatti Vaittinen 4672ece646cSMatti Vaittinen /* 4682ece646cSMatti Vaittinen * LDO2 4692ece646cSMatti Vaittinen * 0.8 or 0.9V 4702ece646cSMatti Vaittinen */ 4712ece646cSMatti Vaittinen static const unsigned int ldo_2_volts[] = { 4722ece646cSMatti Vaittinen 900000, 800000 4732ece646cSMatti Vaittinen }; 4742ece646cSMatti Vaittinen 4752ece646cSMatti Vaittinen /* 4762ece646cSMatti Vaittinen * LDO3 4772ece646cSMatti Vaittinen * 1.8 to 3.3V (100mV step) 4782ece646cSMatti Vaittinen */ 47960ab7f41SMatti Vaittinen static const struct linear_range bd718xx_ldo3_volts[] = { 4802ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000), 4812ece646cSMatti Vaittinen }; 4822ece646cSMatti Vaittinen 4832ece646cSMatti Vaittinen /* 4842ece646cSMatti Vaittinen * LDO4 4852ece646cSMatti Vaittinen * 0.9 to 1.8V (100mV step) 4862ece646cSMatti Vaittinen */ 48760ab7f41SMatti Vaittinen static const struct linear_range bd718xx_ldo4_volts[] = { 4882ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(900000, 0x00, 0x09, 100000), 4892ece646cSMatti Vaittinen }; 4902ece646cSMatti Vaittinen 4912ece646cSMatti Vaittinen /* 4922ece646cSMatti Vaittinen * LDO5 for BD71837 4932ece646cSMatti Vaittinen * 1.8 to 3.3V (100mV step) 4942ece646cSMatti Vaittinen */ 49560ab7f41SMatti Vaittinen static const struct linear_range bd71837_ldo5_volts[] = { 4962ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000), 4972ece646cSMatti Vaittinen }; 4982ece646cSMatti Vaittinen 4992ece646cSMatti Vaittinen /* 5002ece646cSMatti Vaittinen * LDO5 for BD71837 5012ece646cSMatti Vaittinen * 1.8 to 3.3V (100mV step) 5022ece646cSMatti Vaittinen */ 50360ab7f41SMatti Vaittinen static const struct linear_range bd71847_ldo5_volts[] = { 5042ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000), 5052ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(800000, 0x00, 0x0F, 100000), 5062ece646cSMatti Vaittinen }; 5072ece646cSMatti Vaittinen 5082ece646cSMatti Vaittinen static const unsigned int bd71847_ldo5_volt_range_sel[] = { 0x0, 0x20 }; 5092ece646cSMatti Vaittinen 5102ece646cSMatti Vaittinen /* 5112ece646cSMatti Vaittinen * LDO6 5122ece646cSMatti Vaittinen * 0.9 to 1.8V (100mV step) 5132ece646cSMatti Vaittinen */ 51460ab7f41SMatti Vaittinen static const struct linear_range bd718xx_ldo6_volts[] = { 5152ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(900000, 0x00, 0x09, 100000), 5162ece646cSMatti Vaittinen }; 5172ece646cSMatti Vaittinen 5182ece646cSMatti Vaittinen /* 5192ece646cSMatti Vaittinen * LDO7 5202ece646cSMatti Vaittinen * 1.8 to 3.3V (100mV step) 5212ece646cSMatti Vaittinen */ 52260ab7f41SMatti Vaittinen static const struct linear_range bd71837_ldo7_volts[] = { 5232ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000), 5242ece646cSMatti Vaittinen }; 5252ece646cSMatti Vaittinen 5262ece646cSMatti Vaittinen struct reg_init { 5272ece646cSMatti Vaittinen unsigned int reg; 5282ece646cSMatti Vaittinen unsigned int mask; 5292ece646cSMatti Vaittinen unsigned int val; 5302ece646cSMatti Vaittinen }; 5312ece646cSMatti Vaittinen struct bd718xx_regulator_data { 5322ece646cSMatti Vaittinen struct regulator_desc desc; 53321b72156SMatti Vaittinen const struct rohm_dvs_config dvs; 5342ece646cSMatti Vaittinen const struct reg_init init; 5352ece646cSMatti Vaittinen const struct reg_init *additional_inits; 5362ece646cSMatti Vaittinen int additional_init_amnt; 5372ece646cSMatti Vaittinen }; 5382ece646cSMatti Vaittinen 5392ece646cSMatti Vaittinen /* 5402ece646cSMatti Vaittinen * There is a HW quirk in BD71837. The shutdown sequence timings for 5412ece646cSMatti Vaittinen * bucks/LDOs which are controlled via register interface are changed. 5422ece646cSMatti Vaittinen * At PMIC poweroff the voltage for BUCK6/7 is cut immediately at the 5432ece646cSMatti Vaittinen * beginning of shut-down sequence. As bucks 6 and 7 are parent 5442ece646cSMatti Vaittinen * supplies for LDO5 and LDO6 - this causes LDO5/6 voltage 5452ece646cSMatti Vaittinen * monitoring to errorneously detect under voltage and force PMIC to 5462ece646cSMatti Vaittinen * emergency state instead of poweroff. In order to avoid this we 5472ece646cSMatti Vaittinen * disable voltage monitoring for LDO5 and LDO6 5482ece646cSMatti Vaittinen */ 5492ece646cSMatti Vaittinen static const struct reg_init bd71837_ldo5_inits[] = { 5502ece646cSMatti Vaittinen { 5512ece646cSMatti Vaittinen .reg = BD718XX_REG_MVRFLTMASK2, 5522ece646cSMatti Vaittinen .mask = BD718XX_LDO5_VRMON80, 5532ece646cSMatti Vaittinen .val = BD718XX_LDO5_VRMON80, 5542ece646cSMatti Vaittinen }, 5552ece646cSMatti Vaittinen }; 5562ece646cSMatti Vaittinen 5572ece646cSMatti Vaittinen static const struct reg_init bd71837_ldo6_inits[] = { 5582ece646cSMatti Vaittinen { 5592ece646cSMatti Vaittinen .reg = BD718XX_REG_MVRFLTMASK2, 5602ece646cSMatti Vaittinen .mask = BD718XX_LDO6_VRMON80, 5612ece646cSMatti Vaittinen .val = BD718XX_LDO6_VRMON80, 5622ece646cSMatti Vaittinen }, 5632ece646cSMatti Vaittinen }; 5642ece646cSMatti Vaittinen 56521b72156SMatti Vaittinen static int buck_set_hw_dvs_levels(struct device_node *np, 566049369d4SMatti Vaittinen const struct regulator_desc *desc, 567049369d4SMatti Vaittinen struct regulator_config *cfg) 568049369d4SMatti Vaittinen { 56921b72156SMatti Vaittinen struct bd718xx_regulator_data *data; 570049369d4SMatti Vaittinen 57121b72156SMatti Vaittinen data = container_of(desc, struct bd718xx_regulator_data, desc); 572049369d4SMatti Vaittinen 57321b72156SMatti Vaittinen return rohm_regulator_set_dvs_levels(&data->dvs, np, desc, cfg->regmap); 574049369d4SMatti Vaittinen } 575049369d4SMatti Vaittinen 57602f8eaabSYueHaibing static const struct regulator_ops *bd71847_swcontrol_ops[] = { 5771d848d68SMatti Vaittinen &bd718xx_dvs_buck_regulator_ops, &bd718xx_dvs_buck_regulator_ops, 5781d848d68SMatti Vaittinen &bd718xx_pickable_range_buck_ops, &bd718xx_pickable_range_buck_ops, 5791d848d68SMatti Vaittinen &bd718xx_buck_regulator_nolinear_ops, &bd718xx_buck_regulator_ops, 5801d848d68SMatti Vaittinen &bd718xx_pickable_range_ldo_ops, &bd718xx_ldo_regulator_nolinear_ops, 5811d848d68SMatti Vaittinen &bd718xx_ldo_regulator_ops, &bd718xx_ldo_regulator_ops, 5821d848d68SMatti Vaittinen &bd718xx_pickable_range_ldo_ops, &bd718xx_ldo_regulator_ops, 5831d848d68SMatti Vaittinen }; 5841d848d68SMatti Vaittinen 58502f8eaabSYueHaibing static const struct regulator_ops *bd71847_hwcontrol_ops[] = { 5861d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd718xx_dvs_buck_regulator_ops), 5871d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd718xx_dvs_buck_regulator_ops), 5881d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd718xx_pickable_range_buck_ops), 5891d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd718xx_pickable_range_buck_ops), 5901d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd718xx_buck_regulator_nolinear_ops), 5911d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd718xx_buck_regulator_ops), 5921d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd718xx_pickable_range_ldo_ops), 5931d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd718xx_ldo_regulator_nolinear_ops), 5941d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd718xx_ldo_regulator_ops), 5951d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd718xx_ldo_regulator_ops), 5961d848d68SMatti Vaittinen &bd718xx_ldo5_ops_hwstate, 5971d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd718xx_ldo_regulator_ops), 5981d848d68SMatti Vaittinen }; 5991d848d68SMatti Vaittinen 6001d848d68SMatti Vaittinen static struct bd718xx_regulator_data bd71847_regulators[] = { 6012ece646cSMatti Vaittinen { 6022ece646cSMatti Vaittinen .desc = { 6032ece646cSMatti Vaittinen .name = "buck1", 6042ece646cSMatti Vaittinen .of_match = of_match_ptr("BUCK1"), 6052ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 6062ece646cSMatti Vaittinen .id = BD718XX_BUCK1, 6072ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 6082ece646cSMatti Vaittinen .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM, 6092ece646cSMatti Vaittinen .linear_ranges = bd718xx_dvs_buck_volts, 6102ece646cSMatti Vaittinen .n_linear_ranges = 6112ece646cSMatti Vaittinen ARRAY_SIZE(bd718xx_dvs_buck_volts), 6122ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_BUCK1_VOLT_RUN, 6132ece646cSMatti Vaittinen .vsel_mask = DVS_BUCK_RUN_MASK, 6142ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_BUCK1_CTRL, 6152ece646cSMatti Vaittinen .enable_mask = BD718XX_BUCK_EN, 6162ece646cSMatti Vaittinen .owner = THIS_MODULE, 61721b72156SMatti Vaittinen .of_parse_cb = buck_set_hw_dvs_levels, 61821b72156SMatti Vaittinen }, 61921b72156SMatti Vaittinen .dvs = { 62021b72156SMatti Vaittinen .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE | 62121b72156SMatti Vaittinen ROHM_DVS_LEVEL_SUSPEND, 62221b72156SMatti Vaittinen .run_reg = BD718XX_REG_BUCK1_VOLT_RUN, 62321b72156SMatti Vaittinen .run_mask = DVS_BUCK_RUN_MASK, 62421b72156SMatti Vaittinen .idle_reg = BD718XX_REG_BUCK1_VOLT_IDLE, 62521b72156SMatti Vaittinen .idle_mask = DVS_BUCK_RUN_MASK, 62621b72156SMatti Vaittinen .suspend_reg = BD718XX_REG_BUCK1_VOLT_SUSP, 62721b72156SMatti Vaittinen .suspend_mask = DVS_BUCK_RUN_MASK, 6282ece646cSMatti Vaittinen }, 6292ece646cSMatti Vaittinen .init = { 6302ece646cSMatti Vaittinen .reg = BD718XX_REG_BUCK1_CTRL, 6312ece646cSMatti Vaittinen .mask = BD718XX_BUCK_SEL, 6322ece646cSMatti Vaittinen .val = BD718XX_BUCK_SEL, 6332ece646cSMatti Vaittinen }, 6342ece646cSMatti Vaittinen }, 6352ece646cSMatti Vaittinen { 6362ece646cSMatti Vaittinen .desc = { 6372ece646cSMatti Vaittinen .name = "buck2", 6382ece646cSMatti Vaittinen .of_match = of_match_ptr("BUCK2"), 6392ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 6402ece646cSMatti Vaittinen .id = BD718XX_BUCK2, 6412ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 6422ece646cSMatti Vaittinen .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM, 6432ece646cSMatti Vaittinen .linear_ranges = bd718xx_dvs_buck_volts, 6442ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts), 6452ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_BUCK2_VOLT_RUN, 6462ece646cSMatti Vaittinen .vsel_mask = DVS_BUCK_RUN_MASK, 6472ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_BUCK2_CTRL, 6482ece646cSMatti Vaittinen .enable_mask = BD718XX_BUCK_EN, 6492ece646cSMatti Vaittinen .owner = THIS_MODULE, 65021b72156SMatti Vaittinen .of_parse_cb = buck_set_hw_dvs_levels, 65121b72156SMatti Vaittinen }, 65221b72156SMatti Vaittinen .dvs = { 65321b72156SMatti Vaittinen .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE, 65421b72156SMatti Vaittinen .run_reg = BD718XX_REG_BUCK2_VOLT_RUN, 65521b72156SMatti Vaittinen .run_mask = DVS_BUCK_RUN_MASK, 65621b72156SMatti Vaittinen .idle_reg = BD718XX_REG_BUCK2_VOLT_IDLE, 65721b72156SMatti Vaittinen .idle_mask = DVS_BUCK_RUN_MASK, 6582ece646cSMatti Vaittinen }, 6592ece646cSMatti Vaittinen .init = { 6602ece646cSMatti Vaittinen .reg = BD718XX_REG_BUCK2_CTRL, 6612ece646cSMatti Vaittinen .mask = BD718XX_BUCK_SEL, 6622ece646cSMatti Vaittinen .val = BD718XX_BUCK_SEL, 6632ece646cSMatti Vaittinen }, 6642ece646cSMatti Vaittinen }, 6652ece646cSMatti Vaittinen { 6662ece646cSMatti Vaittinen .desc = { 6672ece646cSMatti Vaittinen .name = "buck3", 6682ece646cSMatti Vaittinen .of_match = of_match_ptr("BUCK3"), 6692ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 6702ece646cSMatti Vaittinen .id = BD718XX_BUCK3, 6712ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 6722ece646cSMatti Vaittinen .n_voltages = BD71847_BUCK3_VOLTAGE_NUM, 6732ece646cSMatti Vaittinen .linear_ranges = bd71847_buck3_volts, 6742ece646cSMatti Vaittinen .n_linear_ranges = 6752ece646cSMatti Vaittinen ARRAY_SIZE(bd71847_buck3_volts), 6762ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT, 6772ece646cSMatti Vaittinen .vsel_mask = BD718XX_1ST_NODVS_BUCK_MASK, 6782ece646cSMatti Vaittinen .vsel_range_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT, 6792ece646cSMatti Vaittinen .vsel_range_mask = BD71847_BUCK3_RANGE_MASK, 6802ece646cSMatti Vaittinen .linear_range_selectors = bd71847_buck3_volt_range_sel, 6812ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL, 6822ece646cSMatti Vaittinen .enable_mask = BD718XX_BUCK_EN, 6832ece646cSMatti Vaittinen .owner = THIS_MODULE, 6842ece646cSMatti Vaittinen }, 6852ece646cSMatti Vaittinen .init = { 6862ece646cSMatti Vaittinen .reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL, 6872ece646cSMatti Vaittinen .mask = BD718XX_BUCK_SEL, 6882ece646cSMatti Vaittinen .val = BD718XX_BUCK_SEL, 6892ece646cSMatti Vaittinen }, 6902ece646cSMatti Vaittinen }, 6912ece646cSMatti Vaittinen { 6922ece646cSMatti Vaittinen .desc = { 6932ece646cSMatti Vaittinen .name = "buck4", 6942ece646cSMatti Vaittinen .of_match = of_match_ptr("BUCK4"), 6952ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 6962ece646cSMatti Vaittinen .id = BD718XX_BUCK4, 6972ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 6982ece646cSMatti Vaittinen .n_voltages = BD71847_BUCK4_VOLTAGE_NUM, 6992ece646cSMatti Vaittinen .linear_ranges = bd71847_buck4_volts, 7002ece646cSMatti Vaittinen .n_linear_ranges = 7012ece646cSMatti Vaittinen ARRAY_SIZE(bd71847_buck4_volts), 7022ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL, 7032ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_2ND_NODVS_BUCK_VOLT, 7042ece646cSMatti Vaittinen .vsel_mask = BD71847_BUCK4_MASK, 7052ece646cSMatti Vaittinen .vsel_range_reg = BD718XX_REG_2ND_NODVS_BUCK_VOLT, 7062ece646cSMatti Vaittinen .vsel_range_mask = BD71847_BUCK4_RANGE_MASK, 7072ece646cSMatti Vaittinen .linear_range_selectors = bd71847_buck4_volt_range_sel, 7082ece646cSMatti Vaittinen .enable_mask = BD718XX_BUCK_EN, 7092ece646cSMatti Vaittinen .owner = THIS_MODULE, 7102ece646cSMatti Vaittinen }, 7112ece646cSMatti Vaittinen .init = { 7122ece646cSMatti Vaittinen .reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL, 7132ece646cSMatti Vaittinen .mask = BD718XX_BUCK_SEL, 7142ece646cSMatti Vaittinen .val = BD718XX_BUCK_SEL, 7152ece646cSMatti Vaittinen }, 7162ece646cSMatti Vaittinen }, 7172ece646cSMatti Vaittinen { 7182ece646cSMatti Vaittinen .desc = { 7192ece646cSMatti Vaittinen .name = "buck5", 7202ece646cSMatti Vaittinen .of_match = of_match_ptr("BUCK5"), 7212ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 7222ece646cSMatti Vaittinen .id = BD718XX_BUCK5, 7232ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 7242ece646cSMatti Vaittinen .volt_table = &bd718xx_3rd_nodvs_buck_volts[0], 7252ece646cSMatti Vaittinen .n_voltages = ARRAY_SIZE(bd718xx_3rd_nodvs_buck_volts), 7262ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_3RD_NODVS_BUCK_VOLT, 7272ece646cSMatti Vaittinen .vsel_mask = BD718XX_3RD_NODVS_BUCK_MASK, 7282ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL, 7292ece646cSMatti Vaittinen .enable_mask = BD718XX_BUCK_EN, 7302ece646cSMatti Vaittinen .owner = THIS_MODULE, 7312ece646cSMatti Vaittinen }, 7322ece646cSMatti Vaittinen .init = { 7332ece646cSMatti Vaittinen .reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL, 7342ece646cSMatti Vaittinen .mask = BD718XX_BUCK_SEL, 7352ece646cSMatti Vaittinen .val = BD718XX_BUCK_SEL, 7362ece646cSMatti Vaittinen }, 7372ece646cSMatti Vaittinen }, 7382ece646cSMatti Vaittinen { 7392ece646cSMatti Vaittinen .desc = { 7402ece646cSMatti Vaittinen .name = "buck6", 7412ece646cSMatti Vaittinen .of_match = of_match_ptr("BUCK6"), 7422ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 7432ece646cSMatti Vaittinen .id = BD718XX_BUCK6, 7442ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 7452ece646cSMatti Vaittinen .n_voltages = BD718XX_4TH_NODVS_BUCK_VOLTAGE_NUM, 7462ece646cSMatti Vaittinen .linear_ranges = bd718xx_4th_nodvs_buck_volts, 7472ece646cSMatti Vaittinen .n_linear_ranges = 7482ece646cSMatti Vaittinen ARRAY_SIZE(bd718xx_4th_nodvs_buck_volts), 7492ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_4TH_NODVS_BUCK_VOLT, 7502ece646cSMatti Vaittinen .vsel_mask = BD718XX_4TH_NODVS_BUCK_MASK, 7512ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL, 7522ece646cSMatti Vaittinen .enable_mask = BD718XX_BUCK_EN, 7532ece646cSMatti Vaittinen .owner = THIS_MODULE, 7542ece646cSMatti Vaittinen }, 7552ece646cSMatti Vaittinen .init = { 7562ece646cSMatti Vaittinen .reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL, 7572ece646cSMatti Vaittinen .mask = BD718XX_BUCK_SEL, 7582ece646cSMatti Vaittinen .val = BD718XX_BUCK_SEL, 7592ece646cSMatti Vaittinen }, 7602ece646cSMatti Vaittinen }, 7612ece646cSMatti Vaittinen { 7622ece646cSMatti Vaittinen .desc = { 7632ece646cSMatti Vaittinen .name = "ldo1", 7642ece646cSMatti Vaittinen .of_match = of_match_ptr("LDO1"), 7652ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 7662ece646cSMatti Vaittinen .id = BD718XX_LDO1, 7672ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 7682ece646cSMatti Vaittinen .n_voltages = BD718XX_LDO1_VOLTAGE_NUM, 7692ece646cSMatti Vaittinen .linear_ranges = bd718xx_ldo1_volts, 7702ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo1_volts), 7712ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_LDO1_VOLT, 7722ece646cSMatti Vaittinen .vsel_mask = BD718XX_LDO1_MASK, 7732ece646cSMatti Vaittinen .vsel_range_reg = BD718XX_REG_LDO1_VOLT, 7742ece646cSMatti Vaittinen .vsel_range_mask = BD718XX_LDO1_RANGE_MASK, 7752ece646cSMatti Vaittinen .linear_range_selectors = bd718xx_ldo1_volt_range_sel, 7762ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_LDO1_VOLT, 7772ece646cSMatti Vaittinen .enable_mask = BD718XX_LDO_EN, 7782ece646cSMatti Vaittinen .owner = THIS_MODULE, 7792ece646cSMatti Vaittinen }, 7802ece646cSMatti Vaittinen .init = { 7812ece646cSMatti Vaittinen .reg = BD718XX_REG_LDO1_VOLT, 7822ece646cSMatti Vaittinen .mask = BD718XX_LDO_SEL, 7832ece646cSMatti Vaittinen .val = BD718XX_LDO_SEL, 7842ece646cSMatti Vaittinen }, 7852ece646cSMatti Vaittinen }, 7862ece646cSMatti Vaittinen { 7872ece646cSMatti Vaittinen .desc = { 7882ece646cSMatti Vaittinen .name = "ldo2", 7892ece646cSMatti Vaittinen .of_match = of_match_ptr("LDO2"), 7902ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 7912ece646cSMatti Vaittinen .id = BD718XX_LDO2, 7922ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 7932ece646cSMatti Vaittinen .volt_table = &ldo_2_volts[0], 7942ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_LDO2_VOLT, 7952ece646cSMatti Vaittinen .vsel_mask = BD718XX_LDO2_MASK, 7962ece646cSMatti Vaittinen .n_voltages = ARRAY_SIZE(ldo_2_volts), 7972ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_LDO2_VOLT, 7982ece646cSMatti Vaittinen .enable_mask = BD718XX_LDO_EN, 7992ece646cSMatti Vaittinen .owner = THIS_MODULE, 8002ece646cSMatti Vaittinen }, 8012ece646cSMatti Vaittinen .init = { 8022ece646cSMatti Vaittinen .reg = BD718XX_REG_LDO2_VOLT, 8032ece646cSMatti Vaittinen .mask = BD718XX_LDO_SEL, 8042ece646cSMatti Vaittinen .val = BD718XX_LDO_SEL, 8052ece646cSMatti Vaittinen }, 8062ece646cSMatti Vaittinen }, 8072ece646cSMatti Vaittinen { 8082ece646cSMatti Vaittinen .desc = { 8092ece646cSMatti Vaittinen .name = "ldo3", 8102ece646cSMatti Vaittinen .of_match = of_match_ptr("LDO3"), 8112ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 8122ece646cSMatti Vaittinen .id = BD718XX_LDO3, 8132ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 8142ece646cSMatti Vaittinen .n_voltages = BD718XX_LDO3_VOLTAGE_NUM, 8152ece646cSMatti Vaittinen .linear_ranges = bd718xx_ldo3_volts, 8162ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo3_volts), 8172ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_LDO3_VOLT, 8182ece646cSMatti Vaittinen .vsel_mask = BD718XX_LDO3_MASK, 8192ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_LDO3_VOLT, 8202ece646cSMatti Vaittinen .enable_mask = BD718XX_LDO_EN, 8212ece646cSMatti Vaittinen .owner = THIS_MODULE, 8222ece646cSMatti Vaittinen }, 8232ece646cSMatti Vaittinen .init = { 8242ece646cSMatti Vaittinen .reg = BD718XX_REG_LDO3_VOLT, 8252ece646cSMatti Vaittinen .mask = BD718XX_LDO_SEL, 8262ece646cSMatti Vaittinen .val = BD718XX_LDO_SEL, 8272ece646cSMatti Vaittinen }, 8282ece646cSMatti Vaittinen }, 8292ece646cSMatti Vaittinen { 8302ece646cSMatti Vaittinen .desc = { 8312ece646cSMatti Vaittinen .name = "ldo4", 8322ece646cSMatti Vaittinen .of_match = of_match_ptr("LDO4"), 8332ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 8342ece646cSMatti Vaittinen .id = BD718XX_LDO4, 8352ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 8362ece646cSMatti Vaittinen .n_voltages = BD718XX_LDO4_VOLTAGE_NUM, 8372ece646cSMatti Vaittinen .linear_ranges = bd718xx_ldo4_volts, 8382ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo4_volts), 8392ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_LDO4_VOLT, 8402ece646cSMatti Vaittinen .vsel_mask = BD718XX_LDO4_MASK, 8412ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_LDO4_VOLT, 8422ece646cSMatti Vaittinen .enable_mask = BD718XX_LDO_EN, 8432ece646cSMatti Vaittinen .owner = THIS_MODULE, 8442ece646cSMatti Vaittinen }, 8452ece646cSMatti Vaittinen .init = { 8462ece646cSMatti Vaittinen .reg = BD718XX_REG_LDO4_VOLT, 8472ece646cSMatti Vaittinen .mask = BD718XX_LDO_SEL, 8482ece646cSMatti Vaittinen .val = BD718XX_LDO_SEL, 8492ece646cSMatti Vaittinen }, 8502ece646cSMatti Vaittinen }, 8512ece646cSMatti Vaittinen { 8522ece646cSMatti Vaittinen .desc = { 8532ece646cSMatti Vaittinen .name = "ldo5", 8542ece646cSMatti Vaittinen .of_match = of_match_ptr("LDO5"), 8552ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 8562ece646cSMatti Vaittinen .id = BD718XX_LDO5, 8572ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 8582ece646cSMatti Vaittinen .n_voltages = BD71847_LDO5_VOLTAGE_NUM, 8592ece646cSMatti Vaittinen .linear_ranges = bd71847_ldo5_volts, 8602ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd71847_ldo5_volts), 8612ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_LDO5_VOLT, 8622ece646cSMatti Vaittinen .vsel_mask = BD71847_LDO5_MASK, 8632ece646cSMatti Vaittinen .vsel_range_reg = BD718XX_REG_LDO5_VOLT, 8642ece646cSMatti Vaittinen .vsel_range_mask = BD71847_LDO5_RANGE_MASK, 8652ece646cSMatti Vaittinen .linear_range_selectors = bd71847_ldo5_volt_range_sel, 8662ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_LDO5_VOLT, 8672ece646cSMatti Vaittinen .enable_mask = BD718XX_LDO_EN, 8682ece646cSMatti Vaittinen .owner = THIS_MODULE, 8692ece646cSMatti Vaittinen }, 8702ece646cSMatti Vaittinen .init = { 8712ece646cSMatti Vaittinen .reg = BD718XX_REG_LDO5_VOLT, 8722ece646cSMatti Vaittinen .mask = BD718XX_LDO_SEL, 8732ece646cSMatti Vaittinen .val = BD718XX_LDO_SEL, 8742ece646cSMatti Vaittinen }, 8752ece646cSMatti Vaittinen }, 8762ece646cSMatti Vaittinen { 8772ece646cSMatti Vaittinen .desc = { 8782ece646cSMatti Vaittinen .name = "ldo6", 8792ece646cSMatti Vaittinen .of_match = of_match_ptr("LDO6"), 8802ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 8812ece646cSMatti Vaittinen .id = BD718XX_LDO6, 8822ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 8832ece646cSMatti Vaittinen .n_voltages = BD718XX_LDO6_VOLTAGE_NUM, 8842ece646cSMatti Vaittinen .linear_ranges = bd718xx_ldo6_volts, 8852ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo6_volts), 8862ece646cSMatti Vaittinen /* LDO6 is supplied by buck5 */ 8872ece646cSMatti Vaittinen .supply_name = "buck5", 8882ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_LDO6_VOLT, 8892ece646cSMatti Vaittinen .vsel_mask = BD718XX_LDO6_MASK, 8902ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_LDO6_VOLT, 8912ece646cSMatti Vaittinen .enable_mask = BD718XX_LDO_EN, 8922ece646cSMatti Vaittinen .owner = THIS_MODULE, 8932ece646cSMatti Vaittinen }, 8942ece646cSMatti Vaittinen .init = { 8952ece646cSMatti Vaittinen .reg = BD718XX_REG_LDO6_VOLT, 8962ece646cSMatti Vaittinen .mask = BD718XX_LDO_SEL, 8972ece646cSMatti Vaittinen .val = BD718XX_LDO_SEL, 8982ece646cSMatti Vaittinen }, 8992ece646cSMatti Vaittinen }, 9002ece646cSMatti Vaittinen }; 9012ece646cSMatti Vaittinen 90202f8eaabSYueHaibing static const struct regulator_ops *bd71837_swcontrol_ops[] = { 9031d848d68SMatti Vaittinen &bd718xx_dvs_buck_regulator_ops, &bd718xx_dvs_buck_regulator_ops, 9041d848d68SMatti Vaittinen &bd718xx_dvs_buck_regulator_ops, &bd718xx_dvs_buck_regulator_ops, 9051d848d68SMatti Vaittinen &bd71837_pickable_range_buck_ops, &bd71837_buck_regulator_ops, 9061d848d68SMatti Vaittinen &bd71837_buck_regulator_nolinear_ops, &bd71837_buck_regulator_ops, 9071d848d68SMatti Vaittinen &bd71837_pickable_range_ldo_ops, &bd71837_ldo_regulator_nolinear_ops, 9081d848d68SMatti Vaittinen &bd71837_ldo_regulator_ops, &bd71837_ldo_regulator_ops, 9091d848d68SMatti Vaittinen &bd71837_ldo_regulator_ops, &bd71837_ldo_regulator_ops, 9101d848d68SMatti Vaittinen &bd71837_ldo_regulator_ops, 9111d848d68SMatti Vaittinen }; 9121d848d68SMatti Vaittinen 91302f8eaabSYueHaibing static const struct regulator_ops *bd71837_hwcontrol_ops[] = { 9141d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd718xx_dvs_buck_regulator_ops), 9151d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd718xx_dvs_buck_regulator_ops), 9161d848d68SMatti Vaittinen &bd71837_buck34_ops_hwctrl, &bd71837_buck34_ops_hwctrl, 9171d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd71837_pickable_range_buck_ops), 9181d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd71837_buck_regulator_ops), 9191d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd71837_buck_regulator_nolinear_ops), 9201d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd71837_buck_regulator_ops), 9211d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd71837_pickable_range_ldo_ops), 9221d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd71837_ldo_regulator_nolinear_ops), 9231d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd71837_ldo_regulator_ops), 9241d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd71837_ldo_regulator_ops), 9251d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd71837_ldo_regulator_ops), 9261d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd71837_ldo_regulator_ops), 9271d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd71837_ldo_regulator_ops), 9281d848d68SMatti Vaittinen }; 9291d848d68SMatti Vaittinen 9301d848d68SMatti Vaittinen static struct bd718xx_regulator_data bd71837_regulators[] = { 9312ece646cSMatti Vaittinen { 9322ece646cSMatti Vaittinen .desc = { 9332ece646cSMatti Vaittinen .name = "buck1", 9342ece646cSMatti Vaittinen .of_match = of_match_ptr("BUCK1"), 9352ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 9362ece646cSMatti Vaittinen .id = BD718XX_BUCK1, 9372ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 9382ece646cSMatti Vaittinen .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM, 9392ece646cSMatti Vaittinen .linear_ranges = bd718xx_dvs_buck_volts, 9402ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts), 9412ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_BUCK1_VOLT_RUN, 9422ece646cSMatti Vaittinen .vsel_mask = DVS_BUCK_RUN_MASK, 9432ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_BUCK1_CTRL, 9442ece646cSMatti Vaittinen .enable_mask = BD718XX_BUCK_EN, 9452ece646cSMatti Vaittinen .owner = THIS_MODULE, 94621b72156SMatti Vaittinen .of_parse_cb = buck_set_hw_dvs_levels, 94721b72156SMatti Vaittinen }, 94821b72156SMatti Vaittinen .dvs = { 94921b72156SMatti Vaittinen .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE | 95021b72156SMatti Vaittinen ROHM_DVS_LEVEL_SUSPEND, 95121b72156SMatti Vaittinen .run_reg = BD718XX_REG_BUCK1_VOLT_RUN, 95221b72156SMatti Vaittinen .run_mask = DVS_BUCK_RUN_MASK, 95321b72156SMatti Vaittinen .idle_reg = BD718XX_REG_BUCK1_VOLT_IDLE, 95421b72156SMatti Vaittinen .idle_mask = DVS_BUCK_RUN_MASK, 95521b72156SMatti Vaittinen .suspend_reg = BD718XX_REG_BUCK1_VOLT_SUSP, 95621b72156SMatti Vaittinen .suspend_mask = DVS_BUCK_RUN_MASK, 9572ece646cSMatti Vaittinen }, 9582ece646cSMatti Vaittinen .init = { 9592ece646cSMatti Vaittinen .reg = BD718XX_REG_BUCK1_CTRL, 9602ece646cSMatti Vaittinen .mask = BD718XX_BUCK_SEL, 9612ece646cSMatti Vaittinen .val = BD718XX_BUCK_SEL, 9622ece646cSMatti Vaittinen }, 9632ece646cSMatti Vaittinen }, 9642ece646cSMatti Vaittinen { 9652ece646cSMatti Vaittinen .desc = { 9662ece646cSMatti Vaittinen .name = "buck2", 9672ece646cSMatti Vaittinen .of_match = of_match_ptr("BUCK2"), 9682ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 9692ece646cSMatti Vaittinen .id = BD718XX_BUCK2, 9702ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 9712ece646cSMatti Vaittinen .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM, 9722ece646cSMatti Vaittinen .linear_ranges = bd718xx_dvs_buck_volts, 9732ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts), 9742ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_BUCK2_VOLT_RUN, 9752ece646cSMatti Vaittinen .vsel_mask = DVS_BUCK_RUN_MASK, 9762ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_BUCK2_CTRL, 9772ece646cSMatti Vaittinen .enable_mask = BD718XX_BUCK_EN, 9782ece646cSMatti Vaittinen .owner = THIS_MODULE, 97921b72156SMatti Vaittinen .of_parse_cb = buck_set_hw_dvs_levels, 98021b72156SMatti Vaittinen }, 98121b72156SMatti Vaittinen .dvs = { 98221b72156SMatti Vaittinen .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE, 98321b72156SMatti Vaittinen .run_reg = BD718XX_REG_BUCK2_VOLT_RUN, 98421b72156SMatti Vaittinen .run_mask = DVS_BUCK_RUN_MASK, 98521b72156SMatti Vaittinen .idle_reg = BD718XX_REG_BUCK2_VOLT_IDLE, 98621b72156SMatti Vaittinen .idle_mask = DVS_BUCK_RUN_MASK, 9872ece646cSMatti Vaittinen }, 9882ece646cSMatti Vaittinen .init = { 9892ece646cSMatti Vaittinen .reg = BD718XX_REG_BUCK2_CTRL, 9902ece646cSMatti Vaittinen .mask = BD718XX_BUCK_SEL, 9912ece646cSMatti Vaittinen .val = BD718XX_BUCK_SEL, 9922ece646cSMatti Vaittinen }, 9932ece646cSMatti Vaittinen }, 9942ece646cSMatti Vaittinen { 9952ece646cSMatti Vaittinen .desc = { 9962ece646cSMatti Vaittinen .name = "buck3", 9972ece646cSMatti Vaittinen .of_match = of_match_ptr("BUCK3"), 9982ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 9992ece646cSMatti Vaittinen .id = BD718XX_BUCK3, 10002ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 10012ece646cSMatti Vaittinen .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM, 10022ece646cSMatti Vaittinen .linear_ranges = bd718xx_dvs_buck_volts, 10032ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts), 10042ece646cSMatti Vaittinen .vsel_reg = BD71837_REG_BUCK3_VOLT_RUN, 10052ece646cSMatti Vaittinen .vsel_mask = DVS_BUCK_RUN_MASK, 10062ece646cSMatti Vaittinen .enable_reg = BD71837_REG_BUCK3_CTRL, 10072ece646cSMatti Vaittinen .enable_mask = BD718XX_BUCK_EN, 10082ece646cSMatti Vaittinen .owner = THIS_MODULE, 100921b72156SMatti Vaittinen .of_parse_cb = buck_set_hw_dvs_levels, 101021b72156SMatti Vaittinen }, 101121b72156SMatti Vaittinen .dvs = { 101221b72156SMatti Vaittinen .level_map = ROHM_DVS_LEVEL_RUN, 101321b72156SMatti Vaittinen .run_reg = BD71837_REG_BUCK3_VOLT_RUN, 101421b72156SMatti Vaittinen .run_mask = DVS_BUCK_RUN_MASK, 10152ece646cSMatti Vaittinen }, 10162ece646cSMatti Vaittinen .init = { 10172ece646cSMatti Vaittinen .reg = BD71837_REG_BUCK3_CTRL, 10182ece646cSMatti Vaittinen .mask = BD718XX_BUCK_SEL, 10192ece646cSMatti Vaittinen .val = BD718XX_BUCK_SEL, 10202ece646cSMatti Vaittinen }, 10212ece646cSMatti Vaittinen }, 10222ece646cSMatti Vaittinen { 10232ece646cSMatti Vaittinen .desc = { 10242ece646cSMatti Vaittinen .name = "buck4", 10252ece646cSMatti Vaittinen .of_match = of_match_ptr("BUCK4"), 10262ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 10272ece646cSMatti Vaittinen .id = BD718XX_BUCK4, 10282ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 10292ece646cSMatti Vaittinen .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM, 10302ece646cSMatti Vaittinen .linear_ranges = bd718xx_dvs_buck_volts, 10312ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts), 10322ece646cSMatti Vaittinen .vsel_reg = BD71837_REG_BUCK4_VOLT_RUN, 10332ece646cSMatti Vaittinen .vsel_mask = DVS_BUCK_RUN_MASK, 10342ece646cSMatti Vaittinen .enable_reg = BD71837_REG_BUCK4_CTRL, 10352ece646cSMatti Vaittinen .enable_mask = BD718XX_BUCK_EN, 10362ece646cSMatti Vaittinen .owner = THIS_MODULE, 103721b72156SMatti Vaittinen .of_parse_cb = buck_set_hw_dvs_levels, 103821b72156SMatti Vaittinen }, 103921b72156SMatti Vaittinen .dvs = { 104021b72156SMatti Vaittinen .level_map = ROHM_DVS_LEVEL_RUN, 104121b72156SMatti Vaittinen .run_reg = BD71837_REG_BUCK4_VOLT_RUN, 104221b72156SMatti Vaittinen .run_mask = DVS_BUCK_RUN_MASK, 10432ece646cSMatti Vaittinen }, 10442ece646cSMatti Vaittinen .init = { 10452ece646cSMatti Vaittinen .reg = BD71837_REG_BUCK4_CTRL, 10462ece646cSMatti Vaittinen .mask = BD718XX_BUCK_SEL, 10472ece646cSMatti Vaittinen .val = BD718XX_BUCK_SEL, 10482ece646cSMatti Vaittinen }, 10492ece646cSMatti Vaittinen }, 10502ece646cSMatti Vaittinen { 10512ece646cSMatti Vaittinen .desc = { 10522ece646cSMatti Vaittinen .name = "buck5", 10532ece646cSMatti Vaittinen .of_match = of_match_ptr("BUCK5"), 10542ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 10552ece646cSMatti Vaittinen .id = BD718XX_BUCK5, 10562ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 10572ece646cSMatti Vaittinen .n_voltages = BD71837_BUCK5_VOLTAGE_NUM, 10582ece646cSMatti Vaittinen .linear_ranges = bd71837_buck5_volts, 10592ece646cSMatti Vaittinen .n_linear_ranges = 10602ece646cSMatti Vaittinen ARRAY_SIZE(bd71837_buck5_volts), 10612ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT, 10622ece646cSMatti Vaittinen .vsel_mask = BD71837_BUCK5_MASK, 10632ece646cSMatti Vaittinen .vsel_range_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT, 10642ece646cSMatti Vaittinen .vsel_range_mask = BD71837_BUCK5_RANGE_MASK, 10652ece646cSMatti Vaittinen .linear_range_selectors = bd71837_buck5_volt_range_sel, 10662ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL, 10672ece646cSMatti Vaittinen .enable_mask = BD718XX_BUCK_EN, 10682ece646cSMatti Vaittinen .owner = THIS_MODULE, 10692ece646cSMatti Vaittinen }, 10702ece646cSMatti Vaittinen .init = { 10712ece646cSMatti Vaittinen .reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL, 10722ece646cSMatti Vaittinen .mask = BD718XX_BUCK_SEL, 10732ece646cSMatti Vaittinen .val = BD718XX_BUCK_SEL, 10742ece646cSMatti Vaittinen }, 10752ece646cSMatti Vaittinen }, 10762ece646cSMatti Vaittinen { 10772ece646cSMatti Vaittinen .desc = { 10782ece646cSMatti Vaittinen .name = "buck6", 10792ece646cSMatti Vaittinen .of_match = of_match_ptr("BUCK6"), 10802ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 10812ece646cSMatti Vaittinen .id = BD718XX_BUCK6, 10822ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 10832ece646cSMatti Vaittinen .n_voltages = BD71837_BUCK6_VOLTAGE_NUM, 10842ece646cSMatti Vaittinen .linear_ranges = bd71837_buck6_volts, 10852ece646cSMatti Vaittinen .n_linear_ranges = 10862ece646cSMatti Vaittinen ARRAY_SIZE(bd71837_buck6_volts), 10872ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_2ND_NODVS_BUCK_VOLT, 10882ece646cSMatti Vaittinen .vsel_mask = BD71837_BUCK6_MASK, 10892ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL, 10902ece646cSMatti Vaittinen .enable_mask = BD718XX_BUCK_EN, 10912ece646cSMatti Vaittinen .owner = THIS_MODULE, 10922ece646cSMatti Vaittinen }, 10932ece646cSMatti Vaittinen .init = { 10942ece646cSMatti Vaittinen .reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL, 10952ece646cSMatti Vaittinen .mask = BD718XX_BUCK_SEL, 10962ece646cSMatti Vaittinen .val = BD718XX_BUCK_SEL, 10972ece646cSMatti Vaittinen }, 10982ece646cSMatti Vaittinen }, 10992ece646cSMatti Vaittinen { 11002ece646cSMatti Vaittinen .desc = { 11012ece646cSMatti Vaittinen .name = "buck7", 11022ece646cSMatti Vaittinen .of_match = of_match_ptr("BUCK7"), 11032ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 11042ece646cSMatti Vaittinen .id = BD718XX_BUCK7, 11052ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 11062ece646cSMatti Vaittinen .volt_table = &bd718xx_3rd_nodvs_buck_volts[0], 11072ece646cSMatti Vaittinen .n_voltages = ARRAY_SIZE(bd718xx_3rd_nodvs_buck_volts), 11082ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_3RD_NODVS_BUCK_VOLT, 11092ece646cSMatti Vaittinen .vsel_mask = BD718XX_3RD_NODVS_BUCK_MASK, 11102ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL, 11112ece646cSMatti Vaittinen .enable_mask = BD718XX_BUCK_EN, 11122ece646cSMatti Vaittinen .owner = THIS_MODULE, 11132ece646cSMatti Vaittinen }, 11142ece646cSMatti Vaittinen .init = { 11152ece646cSMatti Vaittinen .reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL, 11162ece646cSMatti Vaittinen .mask = BD718XX_BUCK_SEL, 11172ece646cSMatti Vaittinen .val = BD718XX_BUCK_SEL, 11182ece646cSMatti Vaittinen }, 11192ece646cSMatti Vaittinen }, 11202ece646cSMatti Vaittinen { 11212ece646cSMatti Vaittinen .desc = { 11222ece646cSMatti Vaittinen .name = "buck8", 11232ece646cSMatti Vaittinen .of_match = of_match_ptr("BUCK8"), 11242ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 11252ece646cSMatti Vaittinen .id = BD718XX_BUCK8, 11262ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 11272ece646cSMatti Vaittinen .n_voltages = BD718XX_4TH_NODVS_BUCK_VOLTAGE_NUM, 11282ece646cSMatti Vaittinen .linear_ranges = bd718xx_4th_nodvs_buck_volts, 11292ece646cSMatti Vaittinen .n_linear_ranges = 11302ece646cSMatti Vaittinen ARRAY_SIZE(bd718xx_4th_nodvs_buck_volts), 11312ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_4TH_NODVS_BUCK_VOLT, 11322ece646cSMatti Vaittinen .vsel_mask = BD718XX_4TH_NODVS_BUCK_MASK, 11332ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL, 11342ece646cSMatti Vaittinen .enable_mask = BD718XX_BUCK_EN, 11352ece646cSMatti Vaittinen .owner = THIS_MODULE, 11362ece646cSMatti Vaittinen }, 11372ece646cSMatti Vaittinen .init = { 11382ece646cSMatti Vaittinen .reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL, 11392ece646cSMatti Vaittinen .mask = BD718XX_BUCK_SEL, 11402ece646cSMatti Vaittinen .val = BD718XX_BUCK_SEL, 11412ece646cSMatti Vaittinen }, 11422ece646cSMatti Vaittinen }, 11432ece646cSMatti Vaittinen { 11442ece646cSMatti Vaittinen .desc = { 11452ece646cSMatti Vaittinen .name = "ldo1", 11462ece646cSMatti Vaittinen .of_match = of_match_ptr("LDO1"), 11472ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 11482ece646cSMatti Vaittinen .id = BD718XX_LDO1, 11492ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 11502ece646cSMatti Vaittinen .n_voltages = BD718XX_LDO1_VOLTAGE_NUM, 11512ece646cSMatti Vaittinen .linear_ranges = bd718xx_ldo1_volts, 11522ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo1_volts), 11532ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_LDO1_VOLT, 11542ece646cSMatti Vaittinen .vsel_mask = BD718XX_LDO1_MASK, 11552ece646cSMatti Vaittinen .vsel_range_reg = BD718XX_REG_LDO1_VOLT, 11562ece646cSMatti Vaittinen .vsel_range_mask = BD718XX_LDO1_RANGE_MASK, 11572ece646cSMatti Vaittinen .linear_range_selectors = bd718xx_ldo1_volt_range_sel, 11582ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_LDO1_VOLT, 11592ece646cSMatti Vaittinen .enable_mask = BD718XX_LDO_EN, 11602ece646cSMatti Vaittinen .owner = THIS_MODULE, 11612ece646cSMatti Vaittinen }, 11622ece646cSMatti Vaittinen .init = { 11632ece646cSMatti Vaittinen .reg = BD718XX_REG_LDO1_VOLT, 11642ece646cSMatti Vaittinen .mask = BD718XX_LDO_SEL, 11652ece646cSMatti Vaittinen .val = BD718XX_LDO_SEL, 11662ece646cSMatti Vaittinen }, 11672ece646cSMatti Vaittinen }, 11682ece646cSMatti Vaittinen { 11692ece646cSMatti Vaittinen .desc = { 11702ece646cSMatti Vaittinen .name = "ldo2", 11712ece646cSMatti Vaittinen .of_match = of_match_ptr("LDO2"), 11722ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 11732ece646cSMatti Vaittinen .id = BD718XX_LDO2, 11742ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 11752ece646cSMatti Vaittinen .volt_table = &ldo_2_volts[0], 11762ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_LDO2_VOLT, 11772ece646cSMatti Vaittinen .vsel_mask = BD718XX_LDO2_MASK, 11782ece646cSMatti Vaittinen .n_voltages = ARRAY_SIZE(ldo_2_volts), 11792ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_LDO2_VOLT, 11802ece646cSMatti Vaittinen .enable_mask = BD718XX_LDO_EN, 11812ece646cSMatti Vaittinen .owner = THIS_MODULE, 11822ece646cSMatti Vaittinen }, 11832ece646cSMatti Vaittinen .init = { 11842ece646cSMatti Vaittinen .reg = BD718XX_REG_LDO2_VOLT, 11852ece646cSMatti Vaittinen .mask = BD718XX_LDO_SEL, 11862ece646cSMatti Vaittinen .val = BD718XX_LDO_SEL, 11872ece646cSMatti Vaittinen }, 11882ece646cSMatti Vaittinen }, 11892ece646cSMatti Vaittinen { 11902ece646cSMatti Vaittinen .desc = { 11912ece646cSMatti Vaittinen .name = "ldo3", 11922ece646cSMatti Vaittinen .of_match = of_match_ptr("LDO3"), 11932ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 11942ece646cSMatti Vaittinen .id = BD718XX_LDO3, 11952ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 11962ece646cSMatti Vaittinen .n_voltages = BD718XX_LDO3_VOLTAGE_NUM, 11972ece646cSMatti Vaittinen .linear_ranges = bd718xx_ldo3_volts, 11982ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo3_volts), 11992ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_LDO3_VOLT, 12002ece646cSMatti Vaittinen .vsel_mask = BD718XX_LDO3_MASK, 12012ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_LDO3_VOLT, 12022ece646cSMatti Vaittinen .enable_mask = BD718XX_LDO_EN, 12032ece646cSMatti Vaittinen .owner = THIS_MODULE, 12042ece646cSMatti Vaittinen }, 12052ece646cSMatti Vaittinen .init = { 12062ece646cSMatti Vaittinen .reg = BD718XX_REG_LDO3_VOLT, 12072ece646cSMatti Vaittinen .mask = BD718XX_LDO_SEL, 12082ece646cSMatti Vaittinen .val = BD718XX_LDO_SEL, 12092ece646cSMatti Vaittinen }, 12102ece646cSMatti Vaittinen }, 12112ece646cSMatti Vaittinen { 12122ece646cSMatti Vaittinen .desc = { 12132ece646cSMatti Vaittinen .name = "ldo4", 12142ece646cSMatti Vaittinen .of_match = of_match_ptr("LDO4"), 12152ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 12162ece646cSMatti Vaittinen .id = BD718XX_LDO4, 12172ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 12182ece646cSMatti Vaittinen .n_voltages = BD718XX_LDO4_VOLTAGE_NUM, 12192ece646cSMatti Vaittinen .linear_ranges = bd718xx_ldo4_volts, 12202ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo4_volts), 12212ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_LDO4_VOLT, 12222ece646cSMatti Vaittinen .vsel_mask = BD718XX_LDO4_MASK, 12232ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_LDO4_VOLT, 12242ece646cSMatti Vaittinen .enable_mask = BD718XX_LDO_EN, 12252ece646cSMatti Vaittinen .owner = THIS_MODULE, 12262ece646cSMatti Vaittinen }, 12272ece646cSMatti Vaittinen .init = { 12282ece646cSMatti Vaittinen .reg = BD718XX_REG_LDO4_VOLT, 12292ece646cSMatti Vaittinen .mask = BD718XX_LDO_SEL, 12302ece646cSMatti Vaittinen .val = BD718XX_LDO_SEL, 12312ece646cSMatti Vaittinen }, 12322ece646cSMatti Vaittinen }, 12332ece646cSMatti Vaittinen { 12342ece646cSMatti Vaittinen .desc = { 12352ece646cSMatti Vaittinen .name = "ldo5", 12362ece646cSMatti Vaittinen .of_match = of_match_ptr("LDO5"), 12372ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 12382ece646cSMatti Vaittinen .id = BD718XX_LDO5, 12392ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 12402ece646cSMatti Vaittinen .n_voltages = BD71837_LDO5_VOLTAGE_NUM, 12412ece646cSMatti Vaittinen .linear_ranges = bd71837_ldo5_volts, 12422ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd71837_ldo5_volts), 12432ece646cSMatti Vaittinen /* LDO5 is supplied by buck6 */ 12442ece646cSMatti Vaittinen .supply_name = "buck6", 12452ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_LDO5_VOLT, 12462ece646cSMatti Vaittinen .vsel_mask = BD71837_LDO5_MASK, 12472ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_LDO5_VOLT, 12482ece646cSMatti Vaittinen .enable_mask = BD718XX_LDO_EN, 12492ece646cSMatti Vaittinen .owner = THIS_MODULE, 12502ece646cSMatti Vaittinen }, 12512ece646cSMatti Vaittinen .init = { 12522ece646cSMatti Vaittinen .reg = BD718XX_REG_LDO5_VOLT, 12532ece646cSMatti Vaittinen .mask = BD718XX_LDO_SEL, 12542ece646cSMatti Vaittinen .val = BD718XX_LDO_SEL, 12552ece646cSMatti Vaittinen }, 12562ece646cSMatti Vaittinen .additional_inits = bd71837_ldo5_inits, 12572ece646cSMatti Vaittinen .additional_init_amnt = ARRAY_SIZE(bd71837_ldo5_inits), 12582ece646cSMatti Vaittinen }, 12592ece646cSMatti Vaittinen { 12602ece646cSMatti Vaittinen .desc = { 12612ece646cSMatti Vaittinen .name = "ldo6", 12622ece646cSMatti Vaittinen .of_match = of_match_ptr("LDO6"), 12632ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 12642ece646cSMatti Vaittinen .id = BD718XX_LDO6, 12652ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 12662ece646cSMatti Vaittinen .n_voltages = BD718XX_LDO6_VOLTAGE_NUM, 12672ece646cSMatti Vaittinen .linear_ranges = bd718xx_ldo6_volts, 12682ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo6_volts), 12692ece646cSMatti Vaittinen /* LDO6 is supplied by buck7 */ 12702ece646cSMatti Vaittinen .supply_name = "buck7", 12712ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_LDO6_VOLT, 12722ece646cSMatti Vaittinen .vsel_mask = BD718XX_LDO6_MASK, 12732ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_LDO6_VOLT, 12742ece646cSMatti Vaittinen .enable_mask = BD718XX_LDO_EN, 12752ece646cSMatti Vaittinen .owner = THIS_MODULE, 12762ece646cSMatti Vaittinen }, 12772ece646cSMatti Vaittinen .init = { 12782ece646cSMatti Vaittinen .reg = BD718XX_REG_LDO6_VOLT, 12792ece646cSMatti Vaittinen .mask = BD718XX_LDO_SEL, 12802ece646cSMatti Vaittinen .val = BD718XX_LDO_SEL, 12812ece646cSMatti Vaittinen }, 12822ece646cSMatti Vaittinen .additional_inits = bd71837_ldo6_inits, 12832ece646cSMatti Vaittinen .additional_init_amnt = ARRAY_SIZE(bd71837_ldo6_inits), 12842ece646cSMatti Vaittinen }, 12852ece646cSMatti Vaittinen { 12862ece646cSMatti Vaittinen .desc = { 12872ece646cSMatti Vaittinen .name = "ldo7", 12882ece646cSMatti Vaittinen .of_match = of_match_ptr("LDO7"), 12892ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 12902ece646cSMatti Vaittinen .id = BD718XX_LDO7, 12912ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 12922ece646cSMatti Vaittinen .n_voltages = BD71837_LDO7_VOLTAGE_NUM, 12932ece646cSMatti Vaittinen .linear_ranges = bd71837_ldo7_volts, 12942ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd71837_ldo7_volts), 12952ece646cSMatti Vaittinen .vsel_reg = BD71837_REG_LDO7_VOLT, 12962ece646cSMatti Vaittinen .vsel_mask = BD71837_LDO7_MASK, 12972ece646cSMatti Vaittinen .enable_reg = BD71837_REG_LDO7_VOLT, 12982ece646cSMatti Vaittinen .enable_mask = BD718XX_LDO_EN, 12992ece646cSMatti Vaittinen .owner = THIS_MODULE, 13002ece646cSMatti Vaittinen }, 13012ece646cSMatti Vaittinen .init = { 13022ece646cSMatti Vaittinen .reg = BD71837_REG_LDO7_VOLT, 13032ece646cSMatti Vaittinen .mask = BD718XX_LDO_SEL, 13042ece646cSMatti Vaittinen .val = BD718XX_LDO_SEL, 13052ece646cSMatti Vaittinen }, 13062ece646cSMatti Vaittinen }, 13072ece646cSMatti Vaittinen }; 13082ece646cSMatti Vaittinen 13091d848d68SMatti Vaittinen static void mark_hw_controlled(struct device *dev, struct device_node *np, 13101d848d68SMatti Vaittinen struct bd718xx_regulator_data *reg_data, 13111d848d68SMatti Vaittinen unsigned int num_reg_data, int *info) 13121d848d68SMatti Vaittinen { 13131d848d68SMatti Vaittinen int i; 13141d848d68SMatti Vaittinen 13151d848d68SMatti Vaittinen for (i = 1; i <= num_reg_data; i++) { 13161d848d68SMatti Vaittinen if (!of_node_name_eq(np, reg_data[i-1].desc.of_match)) 13171d848d68SMatti Vaittinen continue; 13181d848d68SMatti Vaittinen 13191d848d68SMatti Vaittinen *info |= 1 << (i - 1); 13201d848d68SMatti Vaittinen dev_dbg(dev, "regulator %d runlevel controlled\n", i); 13211d848d68SMatti Vaittinen return; 13221d848d68SMatti Vaittinen } 13231d848d68SMatti Vaittinen dev_warn(dev, "Bad regulator node\n"); 13241d848d68SMatti Vaittinen } 13251d848d68SMatti Vaittinen 1326*d2ad9811SMatti Vaittinen /* 1327*d2ad9811SMatti Vaittinen * Setups where regulator (especially the buck8) output voltage is scaled 1328*d2ad9811SMatti Vaittinen * by adding external connection where some other regulator output is connected 1329*d2ad9811SMatti Vaittinen * to feedback-pin (over suitable resistors) is getting popular amongst users 1330*d2ad9811SMatti Vaittinen * of BD71837. (This allows for example scaling down the buck8 voltages to suit 1331*d2ad9811SMatti Vaittinen * lover GPU voltages for projects where buck8 is (ab)used to supply power 1332*d2ad9811SMatti Vaittinen * for GPU. Additionally some setups do allow DVS for buck8 but as this do 1333*d2ad9811SMatti Vaittinen * produce voltage spikes the HW must be evaluated to be able to survive this 1334*d2ad9811SMatti Vaittinen * - hence I keep the DVS disabled for non DVS bucks by default. I don't want 1335*d2ad9811SMatti Vaittinen * to help you burn your proto board) 1336*d2ad9811SMatti Vaittinen * 1337*d2ad9811SMatti Vaittinen * So we allow describing this external connection from DT and scale the 1338*d2ad9811SMatti Vaittinen * voltages accordingly. This is what the connection should look like: 1339*d2ad9811SMatti Vaittinen * 1340*d2ad9811SMatti Vaittinen * |------------| 1341*d2ad9811SMatti Vaittinen * | buck 8 |-------+----->Vout 1342*d2ad9811SMatti Vaittinen * | | | 1343*d2ad9811SMatti Vaittinen * |------------| | 1344*d2ad9811SMatti Vaittinen * | FB pin | 1345*d2ad9811SMatti Vaittinen * | | 1346*d2ad9811SMatti Vaittinen * +-------+--R2---+ 1347*d2ad9811SMatti Vaittinen * | 1348*d2ad9811SMatti Vaittinen * R1 1349*d2ad9811SMatti Vaittinen * | 1350*d2ad9811SMatti Vaittinen * V FB-pull-up 1351*d2ad9811SMatti Vaittinen * 1352*d2ad9811SMatti Vaittinen * Here the buck output is sifted according to formula: 1353*d2ad9811SMatti Vaittinen * 1354*d2ad9811SMatti Vaittinen * Vout_o = Vo - (Vpu - Vo)*R2/R1 1355*d2ad9811SMatti Vaittinen * Linear_step = step_orig*(R1+R2)/R1 1356*d2ad9811SMatti Vaittinen * 1357*d2ad9811SMatti Vaittinen * where: 1358*d2ad9811SMatti Vaittinen * Vout_o is adjusted voltage output at vsel reg value 0 1359*d2ad9811SMatti Vaittinen * Vo is original voltage output at vsel reg value 0 1360*d2ad9811SMatti Vaittinen * Vpu is the pull-up voltage V FB-pull-up in the picture 1361*d2ad9811SMatti Vaittinen * R1 and R2 are resistor values. 1362*d2ad9811SMatti Vaittinen * 1363*d2ad9811SMatti Vaittinen * As a real world example for buck8 and a specific GPU: 1364*d2ad9811SMatti Vaittinen * VLDO = 1.6V (used as FB-pull-up) 1365*d2ad9811SMatti Vaittinen * R1 = 1000ohms 1366*d2ad9811SMatti Vaittinen * R2 = 150ohms 1367*d2ad9811SMatti Vaittinen * VSEL 0x0 => 0.8V – (VLDO – 0.8) * R2 / R1 = 0.68V 1368*d2ad9811SMatti Vaittinen * Linear Step = 10mV * (R1 + R2) / R1 = 11.5mV 1369*d2ad9811SMatti Vaittinen */ 1370*d2ad9811SMatti Vaittinen static int setup_feedback_loop(struct device *dev, struct device_node *np, 1371*d2ad9811SMatti Vaittinen struct bd718xx_regulator_data *reg_data, 1372*d2ad9811SMatti Vaittinen unsigned int num_reg_data, int fb_uv) 1373*d2ad9811SMatti Vaittinen { 1374*d2ad9811SMatti Vaittinen int i, r1, r2, ret; 1375*d2ad9811SMatti Vaittinen 1376*d2ad9811SMatti Vaittinen /* 1377*d2ad9811SMatti Vaittinen * We do adjust the values in the global desc based on DT settings. 1378*d2ad9811SMatti Vaittinen * This may not be best approach as it can cause problems if more than 1379*d2ad9811SMatti Vaittinen * one PMIC is controlled from same processor. I don't see such use-case 1380*d2ad9811SMatti Vaittinen * for BD718x7 now - so we spare some bits. 1381*d2ad9811SMatti Vaittinen * 1382*d2ad9811SMatti Vaittinen * If this will point out to be a problem - then we can allocate new 1383*d2ad9811SMatti Vaittinen * bd718xx_regulator_data array at probe and just use the global 1384*d2ad9811SMatti Vaittinen * array as a template where we copy initial values. Then we can 1385*d2ad9811SMatti Vaittinen * use allocated descs for regultor registration and do IC specific 1386*d2ad9811SMatti Vaittinen * modifications to this copy while leaving other PMICs untouched. But 1387*d2ad9811SMatti Vaittinen * that means allocating new array for each PMIC - and currently I see 1388*d2ad9811SMatti Vaittinen * no need for that. 1389*d2ad9811SMatti Vaittinen */ 1390*d2ad9811SMatti Vaittinen 1391*d2ad9811SMatti Vaittinen for (i = 0; i < num_reg_data; i++) { 1392*d2ad9811SMatti Vaittinen struct regulator_desc *desc = ®_data[i].desc; 1393*d2ad9811SMatti Vaittinen int j; 1394*d2ad9811SMatti Vaittinen 1395*d2ad9811SMatti Vaittinen if (!of_node_name_eq(np, desc->of_match)) 1396*d2ad9811SMatti Vaittinen continue; 1397*d2ad9811SMatti Vaittinen 1398*d2ad9811SMatti Vaittinen pr_info("Looking at node '%s'\n", desc->of_match); 1399*d2ad9811SMatti Vaittinen 1400*d2ad9811SMatti Vaittinen /* The feedback loop connection does not make sense for LDOs */ 1401*d2ad9811SMatti Vaittinen if (desc->id >= BD718XX_LDO1) 1402*d2ad9811SMatti Vaittinen return -EINVAL; 1403*d2ad9811SMatti Vaittinen 1404*d2ad9811SMatti Vaittinen ret = of_property_read_u32(np, "rohm,feedback-pull-up-r1-ohms", 1405*d2ad9811SMatti Vaittinen &r1); 1406*d2ad9811SMatti Vaittinen if (ret) 1407*d2ad9811SMatti Vaittinen return ret; 1408*d2ad9811SMatti Vaittinen 1409*d2ad9811SMatti Vaittinen if (!r1) 1410*d2ad9811SMatti Vaittinen return -EINVAL; 1411*d2ad9811SMatti Vaittinen 1412*d2ad9811SMatti Vaittinen ret = of_property_read_u32(np, "rohm,feedback-pull-up-r2-ohms", 1413*d2ad9811SMatti Vaittinen &r2); 1414*d2ad9811SMatti Vaittinen if (ret) 1415*d2ad9811SMatti Vaittinen return ret; 1416*d2ad9811SMatti Vaittinen 1417*d2ad9811SMatti Vaittinen if (desc->n_linear_ranges && desc->linear_ranges) { 1418*d2ad9811SMatti Vaittinen struct linear_range *new; 1419*d2ad9811SMatti Vaittinen 1420*d2ad9811SMatti Vaittinen new = devm_kzalloc(dev, desc->n_linear_ranges * 1421*d2ad9811SMatti Vaittinen sizeof(struct linear_range), 1422*d2ad9811SMatti Vaittinen GFP_KERNEL); 1423*d2ad9811SMatti Vaittinen if (!new) 1424*d2ad9811SMatti Vaittinen return -ENOMEM; 1425*d2ad9811SMatti Vaittinen 1426*d2ad9811SMatti Vaittinen for (j = 0; j < desc->n_linear_ranges; j++) { 1427*d2ad9811SMatti Vaittinen int min = desc->linear_ranges[j].min; 1428*d2ad9811SMatti Vaittinen int step = desc->linear_ranges[j].step; 1429*d2ad9811SMatti Vaittinen 1430*d2ad9811SMatti Vaittinen min -= (fb_uv - min)*r2/r1; 1431*d2ad9811SMatti Vaittinen step = step * (r1 + r2); 1432*d2ad9811SMatti Vaittinen step /= r1; 1433*d2ad9811SMatti Vaittinen 1434*d2ad9811SMatti Vaittinen new[j].min = min; 1435*d2ad9811SMatti Vaittinen new[j].step = step; 1436*d2ad9811SMatti Vaittinen 1437*d2ad9811SMatti Vaittinen dev_dbg(dev, "%s: old range min %d, step %d\n", 1438*d2ad9811SMatti Vaittinen desc->name, desc->linear_ranges[j].min, 1439*d2ad9811SMatti Vaittinen desc->linear_ranges[j].step); 1440*d2ad9811SMatti Vaittinen dev_dbg(dev, "new range min %d, step %d\n", min, 1441*d2ad9811SMatti Vaittinen step); 1442*d2ad9811SMatti Vaittinen } 1443*d2ad9811SMatti Vaittinen desc->linear_ranges = new; 1444*d2ad9811SMatti Vaittinen } 1445*d2ad9811SMatti Vaittinen dev_dbg(dev, "regulator '%s' has FB pull-up configured\n", 1446*d2ad9811SMatti Vaittinen desc->name); 1447*d2ad9811SMatti Vaittinen 1448*d2ad9811SMatti Vaittinen return 0; 1449*d2ad9811SMatti Vaittinen } 1450*d2ad9811SMatti Vaittinen 1451*d2ad9811SMatti Vaittinen return -ENODEV; 1452*d2ad9811SMatti Vaittinen } 1453*d2ad9811SMatti Vaittinen 1454*d2ad9811SMatti Vaittinen static int get_special_regulators(struct device *dev, 14551d848d68SMatti Vaittinen struct bd718xx_regulator_data *reg_data, 14561d848d68SMatti Vaittinen unsigned int num_reg_data, int *info) 14571d848d68SMatti Vaittinen { 1458*d2ad9811SMatti Vaittinen int ret; 14591d848d68SMatti Vaittinen struct device_node *np; 14601d848d68SMatti Vaittinen struct device_node *nproot = dev->of_node; 1461*d2ad9811SMatti Vaittinen int uv; 14621d848d68SMatti Vaittinen 14631d848d68SMatti Vaittinen *info = 0; 14641d848d68SMatti Vaittinen 14651d848d68SMatti Vaittinen nproot = of_get_child_by_name(nproot, "regulators"); 14661d848d68SMatti Vaittinen if (!nproot) { 14671d848d68SMatti Vaittinen dev_err(dev, "failed to find regulators node\n"); 14681d848d68SMatti Vaittinen return -ENODEV; 14691d848d68SMatti Vaittinen } 1470*d2ad9811SMatti Vaittinen for_each_child_of_node(nproot, np) { 1471*d2ad9811SMatti Vaittinen if (of_property_read_bool(np, "rohm,no-regulator-enable-control")) 14721d848d68SMatti Vaittinen mark_hw_controlled(dev, np, reg_data, num_reg_data, 14731d848d68SMatti Vaittinen info); 1474*d2ad9811SMatti Vaittinen ret = of_property_read_u32(np, "rohm,fb-pull-up-microvolt", 1475*d2ad9811SMatti Vaittinen &uv); 1476*d2ad9811SMatti Vaittinen if (ret) { 1477*d2ad9811SMatti Vaittinen if (ret == -EINVAL) 1478*d2ad9811SMatti Vaittinen continue; 1479*d2ad9811SMatti Vaittinen else 1480*d2ad9811SMatti Vaittinen goto err_out; 1481*d2ad9811SMatti Vaittinen } 1482*d2ad9811SMatti Vaittinen 1483*d2ad9811SMatti Vaittinen ret = setup_feedback_loop(dev, np, reg_data, num_reg_data, uv); 1484*d2ad9811SMatti Vaittinen if (ret) 1485*d2ad9811SMatti Vaittinen goto err_out; 1486*d2ad9811SMatti Vaittinen } 14871d848d68SMatti Vaittinen 14881d848d68SMatti Vaittinen of_node_put(nproot); 14891d848d68SMatti Vaittinen return 0; 1490*d2ad9811SMatti Vaittinen 1491*d2ad9811SMatti Vaittinen err_out: 1492*d2ad9811SMatti Vaittinen of_node_put(np); 1493*d2ad9811SMatti Vaittinen of_node_put(nproot); 1494*d2ad9811SMatti Vaittinen 1495*d2ad9811SMatti Vaittinen return ret; 14961d848d68SMatti Vaittinen } 14971d848d68SMatti Vaittinen 14982ece646cSMatti Vaittinen static int bd718xx_probe(struct platform_device *pdev) 14992ece646cSMatti Vaittinen { 1500bcb047ebSAxel Lin struct bd718xx *mfd; 15012ece646cSMatti Vaittinen struct regulator_config config = { 0 }; 15021d848d68SMatti Vaittinen int i, j, err, omit_enable; 1503049369d4SMatti Vaittinen bool use_snvs; 15041d848d68SMatti Vaittinen struct bd718xx_regulator_data *reg_data; 1505b389ceaeSAxel Lin unsigned int num_reg_data; 15061b1c26b2SMatti Vaittinen enum rohm_chip_type chip = platform_get_device_id(pdev)->driver_data; 15071d848d68SMatti Vaittinen const struct regulator_ops **swops, **hwops; 15082ece646cSMatti Vaittinen 1509bcb047ebSAxel Lin mfd = dev_get_drvdata(pdev->dev.parent); 1510bcb047ebSAxel Lin if (!mfd) { 15112ece646cSMatti Vaittinen dev_err(&pdev->dev, "No MFD driver data\n"); 15122ece646cSMatti Vaittinen err = -EINVAL; 15132ece646cSMatti Vaittinen goto err; 15142ece646cSMatti Vaittinen } 1515bcb047ebSAxel Lin 1516af32f3a4SLinus Torvalds switch (chip) { 1517b389ceaeSAxel Lin case ROHM_CHIP_TYPE_BD71837: 1518b389ceaeSAxel Lin reg_data = bd71837_regulators; 1519b389ceaeSAxel Lin num_reg_data = ARRAY_SIZE(bd71837_regulators); 15201d848d68SMatti Vaittinen swops = &bd71837_swcontrol_ops[0]; 15211d848d68SMatti Vaittinen hwops = &bd71837_hwcontrol_ops[0]; 1522b389ceaeSAxel Lin break; 1523b389ceaeSAxel Lin case ROHM_CHIP_TYPE_BD71847: 1524b389ceaeSAxel Lin reg_data = bd71847_regulators; 1525b389ceaeSAxel Lin num_reg_data = ARRAY_SIZE(bd71847_regulators); 15261d848d68SMatti Vaittinen swops = &bd71847_swcontrol_ops[0]; 15271d848d68SMatti Vaittinen hwops = &bd71847_hwcontrol_ops[0]; 1528b389ceaeSAxel Lin break; 1529b389ceaeSAxel Lin default: 15302ece646cSMatti Vaittinen dev_err(&pdev->dev, "Unsupported chip type\n"); 15312ece646cSMatti Vaittinen err = -EINVAL; 15322ece646cSMatti Vaittinen goto err; 15332ece646cSMatti Vaittinen } 15342ece646cSMatti Vaittinen 15352ece646cSMatti Vaittinen /* Register LOCK release */ 15362a6a7aacSMatti Vaittinen err = regmap_update_bits(mfd->chip.regmap, BD718XX_REG_REGLOCK, 15372ece646cSMatti Vaittinen (REGLOCK_PWRSEQ | REGLOCK_VREG), 0); 15382ece646cSMatti Vaittinen if (err) { 1539bcb047ebSAxel Lin dev_err(&pdev->dev, "Failed to unlock PMIC (%d)\n", err); 15402ece646cSMatti Vaittinen goto err; 15412ece646cSMatti Vaittinen } else { 1542bcb047ebSAxel Lin dev_dbg(&pdev->dev, "Unlocked lock register 0x%x\n", 15432ece646cSMatti Vaittinen BD718XX_REG_REGLOCK); 15442ece646cSMatti Vaittinen } 15452ece646cSMatti Vaittinen 1546049369d4SMatti Vaittinen use_snvs = of_property_read_bool(pdev->dev.parent->of_node, 1547049369d4SMatti Vaittinen "rohm,reset-snvs-powered"); 1548049369d4SMatti Vaittinen 1549049369d4SMatti Vaittinen /* 1550e770b18bSMatti Vaittinen * Change the next stage from poweroff to be READY instead of SNVS 1551e770b18bSMatti Vaittinen * for all reset types because OTP loading at READY will clear SEL 1552e770b18bSMatti Vaittinen * bit allowing HW defaults for power rails to be used 1553e770b18bSMatti Vaittinen */ 1554049369d4SMatti Vaittinen if (!use_snvs) { 15552a6a7aacSMatti Vaittinen err = regmap_update_bits(mfd->chip.regmap, 15562a6a7aacSMatti Vaittinen BD718XX_REG_TRANS_COND1, 1557e770b18bSMatti Vaittinen BD718XX_ON_REQ_POWEROFF_MASK | 1558e770b18bSMatti Vaittinen BD718XX_SWRESET_POWEROFF_MASK | 1559e770b18bSMatti Vaittinen BD718XX_WDOG_POWEROFF_MASK | 1560e770b18bSMatti Vaittinen BD718XX_KEY_L_POWEROFF_MASK, 1561e770b18bSMatti Vaittinen BD718XX_POWOFF_TO_RDY); 1562e770b18bSMatti Vaittinen if (err) { 1563e770b18bSMatti Vaittinen dev_err(&pdev->dev, "Failed to change reset target\n"); 1564e770b18bSMatti Vaittinen goto err; 1565e770b18bSMatti Vaittinen } else { 1566049369d4SMatti Vaittinen dev_dbg(&pdev->dev, 1567049369d4SMatti Vaittinen "Changed all resets from SVNS to READY\n"); 1568049369d4SMatti Vaittinen } 1569e770b18bSMatti Vaittinen } 1570e770b18bSMatti Vaittinen 1571df9db254SMatti Vaittinen config.dev = pdev->dev.parent; 1572df9db254SMatti Vaittinen config.regmap = mfd->chip.regmap; 15731d848d68SMatti Vaittinen /* 15741d848d68SMatti Vaittinen * There are cases when we want to leave the enable-control for 15751d848d68SMatti Vaittinen * the HW state machine and use this driver only for voltage control. 15761d848d68SMatti Vaittinen * One special case is when we use PMIC_STBY_REQ line from SoC to PMIC 15771d848d68SMatti Vaittinen * in order to set the system to SUSPEND state. 15781d848d68SMatti Vaittinen * 15791d848d68SMatti Vaittinen * If regulator is taken under SW control the regulator state will not 15801d848d68SMatti Vaittinen * be affected by PMIC state machine - Eg. regulator is likely to stay 15811d848d68SMatti Vaittinen * on even in SUSPEND 15821d848d68SMatti Vaittinen */ 1583*d2ad9811SMatti Vaittinen err = get_special_regulators(pdev->dev.parent, reg_data, num_reg_data, 15841d848d68SMatti Vaittinen &omit_enable); 1585*d2ad9811SMatti Vaittinen if (err) 1586*d2ad9811SMatti Vaittinen return err; 1587df9db254SMatti Vaittinen 1588b389ceaeSAxel Lin for (i = 0; i < num_reg_data; i++) { 15892ece646cSMatti Vaittinen 15901d848d68SMatti Vaittinen struct regulator_desc *desc; 15912ece646cSMatti Vaittinen struct regulator_dev *rdev; 15921d848d68SMatti Vaittinen struct bd718xx_regulator_data *r; 15931d848d68SMatti Vaittinen int no_enable_control = omit_enable & (1 << i); 15942ece646cSMatti Vaittinen 1595b389ceaeSAxel Lin r = ®_data[i]; 15962ece646cSMatti Vaittinen desc = &r->desc; 15972ece646cSMatti Vaittinen 15981d848d68SMatti Vaittinen if (no_enable_control) 15991d848d68SMatti Vaittinen desc->ops = hwops[i]; 16001d848d68SMatti Vaittinen else 16011d848d68SMatti Vaittinen desc->ops = swops[i]; 16022ece646cSMatti Vaittinen 16032ece646cSMatti Vaittinen rdev = devm_regulator_register(&pdev->dev, desc, &config); 16042ece646cSMatti Vaittinen if (IS_ERR(rdev)) { 1605bcb047ebSAxel Lin dev_err(&pdev->dev, 16062ece646cSMatti Vaittinen "failed to register %s regulator\n", 16072ece646cSMatti Vaittinen desc->name); 16082ece646cSMatti Vaittinen err = PTR_ERR(rdev); 16092ece646cSMatti Vaittinen goto err; 16102ece646cSMatti Vaittinen } 1611049369d4SMatti Vaittinen 1612049369d4SMatti Vaittinen /* 1613049369d4SMatti Vaittinen * Regulator register gets the regulator constraints and 16142ece646cSMatti Vaittinen * applies them (set_machine_constraints). This should have 16152ece646cSMatti Vaittinen * turned the control register(s) to correct values and we 16162ece646cSMatti Vaittinen * can now switch the control from PMIC state machine to the 16172ece646cSMatti Vaittinen * register interface 1618049369d4SMatti Vaittinen * 1619049369d4SMatti Vaittinen * At poweroff transition PMIC HW disables EN bit for 1620049369d4SMatti Vaittinen * regulators but leaves SEL bit untouched. So if state 1621049369d4SMatti Vaittinen * transition from POWEROFF is done to SNVS - then all power 1622049369d4SMatti Vaittinen * rails controlled by SW (having SEL bit set) stay disabled 1623049369d4SMatti Vaittinen * as EN is cleared. This will result boot failure if any 1624049369d4SMatti Vaittinen * crucial systems are powered by these rails. We don't 1625049369d4SMatti Vaittinen * enable SW control for crucial regulators if snvs state is 1626049369d4SMatti Vaittinen * used 16272ece646cSMatti Vaittinen */ 16281d848d68SMatti Vaittinen if (!no_enable_control && (!use_snvs || 16291d848d68SMatti Vaittinen !rdev->constraints->always_on || 16301d848d68SMatti Vaittinen !rdev->constraints->boot_on)) { 16312a6a7aacSMatti Vaittinen err = regmap_update_bits(mfd->chip.regmap, r->init.reg, 16322ece646cSMatti Vaittinen r->init.mask, r->init.val); 16332ece646cSMatti Vaittinen if (err) { 1634bcb047ebSAxel Lin dev_err(&pdev->dev, 1635049369d4SMatti Vaittinen "Failed to take control for (%s)\n", 16362ece646cSMatti Vaittinen desc->name); 16372ece646cSMatti Vaittinen goto err; 16382ece646cSMatti Vaittinen } 1639049369d4SMatti Vaittinen } 16402ece646cSMatti Vaittinen for (j = 0; j < r->additional_init_amnt; j++) { 16412a6a7aacSMatti Vaittinen err = regmap_update_bits(mfd->chip.regmap, 16422ece646cSMatti Vaittinen r->additional_inits[j].reg, 16432ece646cSMatti Vaittinen r->additional_inits[j].mask, 16442ece646cSMatti Vaittinen r->additional_inits[j].val); 16452ece646cSMatti Vaittinen if (err) { 1646bcb047ebSAxel Lin dev_err(&pdev->dev, 16472ece646cSMatti Vaittinen "Buck (%s) initialization failed\n", 16482ece646cSMatti Vaittinen desc->name); 16492ece646cSMatti Vaittinen goto err; 16502ece646cSMatti Vaittinen } 16512ece646cSMatti Vaittinen } 16522ece646cSMatti Vaittinen } 16532ece646cSMatti Vaittinen 16542ece646cSMatti Vaittinen err: 16552ece646cSMatti Vaittinen return err; 16562ece646cSMatti Vaittinen } 16572ece646cSMatti Vaittinen 16581b1c26b2SMatti Vaittinen static const struct platform_device_id bd718x7_pmic_id[] = { 16591b1c26b2SMatti Vaittinen { "bd71837-pmic", ROHM_CHIP_TYPE_BD71837 }, 16601b1c26b2SMatti Vaittinen { "bd71847-pmic", ROHM_CHIP_TYPE_BD71847 }, 16611b1c26b2SMatti Vaittinen { }, 16621b1c26b2SMatti Vaittinen }; 16631b1c26b2SMatti Vaittinen MODULE_DEVICE_TABLE(platform, bd718x7_pmic_id); 16641b1c26b2SMatti Vaittinen 16652ece646cSMatti Vaittinen static struct platform_driver bd718xx_regulator = { 16662ece646cSMatti Vaittinen .driver = { 16672ece646cSMatti Vaittinen .name = "bd718xx-pmic", 16682ece646cSMatti Vaittinen }, 16692ece646cSMatti Vaittinen .probe = bd718xx_probe, 16701b1c26b2SMatti Vaittinen .id_table = bd718x7_pmic_id, 16712ece646cSMatti Vaittinen }; 16722ece646cSMatti Vaittinen 16732ece646cSMatti Vaittinen module_platform_driver(bd718xx_regulator); 16742ece646cSMatti Vaittinen 16752ece646cSMatti Vaittinen MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>"); 16762ece646cSMatti Vaittinen MODULE_DESCRIPTION("BD71837/BD71847 voltage regulator driver"); 16772ece646cSMatti Vaittinen MODULE_LICENSE("GPL"); 167895bddd8bSGuido Günther MODULE_ALIAS("platform:bd718xx-pmic"); 1679