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 5*83c7cdeeSKrzysztof Kozlowski #include <linux/cleanup.h> 62ece646cSMatti Vaittinen #include <linux/delay.h> 72ece646cSMatti Vaittinen #include <linux/err.h> 82ece646cSMatti Vaittinen #include <linux/interrupt.h> 92ece646cSMatti Vaittinen #include <linux/kernel.h> 102ece646cSMatti Vaittinen #include <linux/mfd/rohm-bd718x7.h> 112ece646cSMatti Vaittinen #include <linux/module.h> 129cce7244SMatti Vaittinen #include <linux/of.h> 132ece646cSMatti Vaittinen #include <linux/platform_device.h> 142ece646cSMatti Vaittinen #include <linux/regulator/driver.h> 152ece646cSMatti Vaittinen #include <linux/regulator/machine.h> 162ece646cSMatti Vaittinen #include <linux/regulator/of_regulator.h> 172ece646cSMatti Vaittinen #include <linux/slab.h> 182ece646cSMatti Vaittinen 193b66e4a8SGuido Günther /* Typical regulator startup times as per data sheet in uS */ 203b66e4a8SGuido Günther #define BD71847_BUCK1_STARTUP_TIME 144 213b66e4a8SGuido Günther #define BD71847_BUCK2_STARTUP_TIME 162 223b66e4a8SGuido Günther #define BD71847_BUCK3_STARTUP_TIME 162 233b66e4a8SGuido Günther #define BD71847_BUCK4_STARTUP_TIME 240 243b66e4a8SGuido Günther #define BD71847_BUCK5_STARTUP_TIME 270 253b66e4a8SGuido Günther #define BD71847_BUCK6_STARTUP_TIME 200 263b66e4a8SGuido Günther #define BD71847_LDO1_STARTUP_TIME 440 273b66e4a8SGuido Günther #define BD71847_LDO2_STARTUP_TIME 370 283b66e4a8SGuido Günther #define BD71847_LDO3_STARTUP_TIME 310 293b66e4a8SGuido Günther #define BD71847_LDO4_STARTUP_TIME 400 303b66e4a8SGuido Günther #define BD71847_LDO5_STARTUP_TIME 530 313b66e4a8SGuido Günther #define BD71847_LDO6_STARTUP_TIME 400 323b66e4a8SGuido Günther 333b66e4a8SGuido Günther #define BD71837_BUCK1_STARTUP_TIME 160 343b66e4a8SGuido Günther #define BD71837_BUCK2_STARTUP_TIME 180 353b66e4a8SGuido Günther #define BD71837_BUCK3_STARTUP_TIME 180 363b66e4a8SGuido Günther #define BD71837_BUCK4_STARTUP_TIME 180 373b66e4a8SGuido Günther #define BD71837_BUCK5_STARTUP_TIME 160 383b66e4a8SGuido Günther #define BD71837_BUCK6_STARTUP_TIME 240 393b66e4a8SGuido Günther #define BD71837_BUCK7_STARTUP_TIME 220 403b66e4a8SGuido Günther #define BD71837_BUCK8_STARTUP_TIME 200 413b66e4a8SGuido Günther #define BD71837_LDO1_STARTUP_TIME 440 423b66e4a8SGuido Günther #define BD71837_LDO2_STARTUP_TIME 370 433b66e4a8SGuido Günther #define BD71837_LDO3_STARTUP_TIME 310 443b66e4a8SGuido Günther #define BD71837_LDO4_STARTUP_TIME 400 453b66e4a8SGuido Günther #define BD71837_LDO5_STARTUP_TIME 310 463b66e4a8SGuido Günther #define BD71837_LDO6_STARTUP_TIME 400 473b66e4a8SGuido Günther #define BD71837_LDO7_STARTUP_TIME 530 483b66e4a8SGuido Günther 492ece646cSMatti Vaittinen /* 501d848d68SMatti Vaittinen * BD718(37/47/50) have two "enable control modes". ON/OFF can either be 511d848d68SMatti Vaittinen * controlled by software - or by PMIC internal HW state machine. Whether 521d848d68SMatti Vaittinen * regulator should be under SW or HW control can be defined from device-tree. 531d848d68SMatti Vaittinen * Let's provide separate ops for regulators to use depending on the "enable 541d848d68SMatti Vaittinen * control mode". 551d848d68SMatti Vaittinen */ 561d848d68SMatti Vaittinen #define BD718XX_HWOPNAME(swopname) swopname##_hwcontrol 571d848d68SMatti Vaittinen 581d848d68SMatti Vaittinen #define BD718XX_OPS(name, _list_voltage, _map_voltage, _set_voltage_sel, \ 59fedbfea1SMatti Vaittinen _get_voltage_sel, _set_voltage_time_sel, _set_ramp_delay, \ 60fedbfea1SMatti Vaittinen _set_uvp, _set_ovp) \ 611d848d68SMatti Vaittinen static const struct regulator_ops name = { \ 621d848d68SMatti Vaittinen .enable = regulator_enable_regmap, \ 631d848d68SMatti Vaittinen .disable = regulator_disable_regmap, \ 641d848d68SMatti Vaittinen .is_enabled = regulator_is_enabled_regmap, \ 651d848d68SMatti Vaittinen .list_voltage = (_list_voltage), \ 661d848d68SMatti Vaittinen .map_voltage = (_map_voltage), \ 671d848d68SMatti Vaittinen .set_voltage_sel = (_set_voltage_sel), \ 681d848d68SMatti Vaittinen .get_voltage_sel = (_get_voltage_sel), \ 691d848d68SMatti Vaittinen .set_voltage_time_sel = (_set_voltage_time_sel), \ 701d848d68SMatti Vaittinen .set_ramp_delay = (_set_ramp_delay), \ 71fedbfea1SMatti Vaittinen .set_under_voltage_protection = (_set_uvp), \ 72fedbfea1SMatti Vaittinen .set_over_voltage_protection = (_set_ovp), \ 731d848d68SMatti Vaittinen }; \ 741d848d68SMatti Vaittinen \ 751d848d68SMatti Vaittinen static const struct regulator_ops BD718XX_HWOPNAME(name) = { \ 761d848d68SMatti Vaittinen .is_enabled = always_enabled_by_hwstate, \ 771d848d68SMatti Vaittinen .list_voltage = (_list_voltage), \ 781d848d68SMatti Vaittinen .map_voltage = (_map_voltage), \ 791d848d68SMatti Vaittinen .set_voltage_sel = (_set_voltage_sel), \ 801d848d68SMatti Vaittinen .get_voltage_sel = (_get_voltage_sel), \ 811d848d68SMatti Vaittinen .set_voltage_time_sel = (_set_voltage_time_sel), \ 821d848d68SMatti Vaittinen .set_ramp_delay = (_set_ramp_delay), \ 83fedbfea1SMatti Vaittinen .set_under_voltage_protection = (_set_uvp), \ 84fedbfea1SMatti Vaittinen .set_over_voltage_protection = (_set_ovp), \ 851d848d68SMatti Vaittinen } \ 861d848d68SMatti Vaittinen 871d848d68SMatti Vaittinen /* 882ece646cSMatti Vaittinen * BUCK1/2/3/4 892ece646cSMatti Vaittinen * BUCK1RAMPRATE[1:0] BUCK1 DVS ramp rate setting 902ece646cSMatti Vaittinen * 00: 10.00mV/usec 10mV 1uS 912ece646cSMatti Vaittinen * 01: 5.00mV/usec 10mV 2uS 922ece646cSMatti Vaittinen * 10: 2.50mV/usec 10mV 4uS 932ece646cSMatti Vaittinen * 11: 1.25mV/usec 10mV 8uS 942ece646cSMatti Vaittinen */ 9518f3c625SMatti Vaittinen static const unsigned int bd718xx_ramp_delay[] = { 10000, 5000, 2500, 1250 }; 962ece646cSMatti Vaittinen 971d848d68SMatti Vaittinen /* These functions are used when regulators are under HW state machine control. 981d848d68SMatti Vaittinen * We assume PMIC is in RUN state because SW running and able to query the 991d848d68SMatti Vaittinen * status. Most of the regulators have fixed ON or OFF state at RUN/IDLE so for 1001d848d68SMatti Vaittinen * them we just return a constant. BD71837 BUCK3 and BUCK4 are exceptions as 1011d848d68SMatti Vaittinen * they support configuring the ON/OFF state for RUN. 1021d848d68SMatti Vaittinen * 1031d848d68SMatti Vaittinen * Note for next hacker - these PMICs have a register where the HW state can be 1041d848d68SMatti Vaittinen * read. If assuming RUN appears to be false in your use-case - you can 1051d848d68SMatti Vaittinen * implement state reading (although that is not going to be atomic) before 1061d848d68SMatti Vaittinen * returning the enable state. 1071d848d68SMatti Vaittinen */ 1081d848d68SMatti Vaittinen static int always_enabled_by_hwstate(struct regulator_dev *rdev) 1091d848d68SMatti Vaittinen { 1101d848d68SMatti Vaittinen return 1; 1111d848d68SMatti Vaittinen } 1121d848d68SMatti Vaittinen 1131d848d68SMatti Vaittinen static int never_enabled_by_hwstate(struct regulator_dev *rdev) 1141d848d68SMatti Vaittinen { 1151d848d68SMatti Vaittinen return 0; 1161d848d68SMatti Vaittinen } 1171d848d68SMatti Vaittinen 1181d848d68SMatti Vaittinen static int bd71837_get_buck34_enable_hwctrl(struct regulator_dev *rdev) 1191d848d68SMatti Vaittinen { 1201d848d68SMatti Vaittinen int ret; 1211d848d68SMatti Vaittinen unsigned int val; 1221d848d68SMatti Vaittinen 1231d848d68SMatti Vaittinen ret = regmap_read(rdev->regmap, rdev->desc->enable_reg, &val); 1241d848d68SMatti Vaittinen if (ret) 1251d848d68SMatti Vaittinen return ret; 1261d848d68SMatti Vaittinen 1271d848d68SMatti Vaittinen return !!(BD718XX_BUCK_RUN_ON & val); 1281d848d68SMatti Vaittinen } 1292ece646cSMatti Vaittinen 1309bcbabafSMatti Vaittinen static void voltage_change_done(struct regulator_dev *rdev, unsigned int sel, 1319bcbabafSMatti Vaittinen unsigned int *mask) 1329bcbabafSMatti Vaittinen { 1339bcbabafSMatti Vaittinen int ret; 1349bcbabafSMatti Vaittinen 1359bcbabafSMatti Vaittinen if (*mask) { 1369bcbabafSMatti Vaittinen /* 1379bcbabafSMatti Vaittinen * Let's allow scheduling as we use I2C anyways. We just need to 1389bcbabafSMatti Vaittinen * guarantee minimum of 1ms sleep - it shouldn't matter if we 1399bcbabafSMatti Vaittinen * exceed it due to the scheduling. 1409bcbabafSMatti Vaittinen */ 1419bcbabafSMatti Vaittinen msleep(1); 142fedbfea1SMatti Vaittinen 143fedbfea1SMatti Vaittinen ret = regmap_clear_bits(rdev->regmap, BD718XX_REG_MVRFLTMASK2, 144fedbfea1SMatti Vaittinen *mask); 1459bcbabafSMatti Vaittinen if (ret) 1469bcbabafSMatti Vaittinen dev_err(&rdev->dev, 1479bcbabafSMatti Vaittinen "Failed to re-enable voltage monitoring (%d)\n", 1489bcbabafSMatti Vaittinen ret); 1499bcbabafSMatti Vaittinen } 1509bcbabafSMatti Vaittinen } 1519bcbabafSMatti Vaittinen 1529bcbabafSMatti Vaittinen static int voltage_change_prepare(struct regulator_dev *rdev, unsigned int sel, 1539bcbabafSMatti Vaittinen unsigned int *mask) 1549bcbabafSMatti Vaittinen { 1559bcbabafSMatti Vaittinen int ret; 1569bcbabafSMatti Vaittinen 1579bcbabafSMatti Vaittinen *mask = 0; 1581d848d68SMatti Vaittinen if (rdev->desc->ops->is_enabled(rdev)) { 1599bcbabafSMatti Vaittinen int now, new; 1609bcbabafSMatti Vaittinen 1619bcbabafSMatti Vaittinen now = rdev->desc->ops->get_voltage_sel(rdev); 1629bcbabafSMatti Vaittinen if (now < 0) 1639bcbabafSMatti Vaittinen return now; 1649bcbabafSMatti Vaittinen 1659bcbabafSMatti Vaittinen now = rdev->desc->ops->list_voltage(rdev, now); 1669bcbabafSMatti Vaittinen if (now < 0) 1679bcbabafSMatti Vaittinen return now; 1689bcbabafSMatti Vaittinen 1699bcbabafSMatti Vaittinen new = rdev->desc->ops->list_voltage(rdev, sel); 1709bcbabafSMatti Vaittinen if (new < 0) 1719bcbabafSMatti Vaittinen return new; 1729bcbabafSMatti Vaittinen 1739bcbabafSMatti Vaittinen /* 1749bcbabafSMatti Vaittinen * If we increase LDO voltage when LDO is enabled we need to 1759bcbabafSMatti Vaittinen * disable the power-good detection until voltage has reached 1769bcbabafSMatti Vaittinen * the new level. According to HW colleagues the maximum time 1779bcbabafSMatti Vaittinen * it takes is 1000us. I assume that on systems with light load 1789bcbabafSMatti Vaittinen * this might be less - and we could probably use DT to give 1799bcbabafSMatti Vaittinen * system specific delay value if performance matters. 1809bcbabafSMatti Vaittinen * 1819bcbabafSMatti Vaittinen * Well, knowing we use I2C here and can add scheduling delays 1829bcbabafSMatti Vaittinen * I don't think it is worth the hassle and I just add fixed 1839bcbabafSMatti Vaittinen * 1ms sleep here (and allow scheduling). If this turns out to 1849bcbabafSMatti Vaittinen * be a problem we can change it to delay and make the delay 1859bcbabafSMatti Vaittinen * time configurable. 1869bcbabafSMatti Vaittinen */ 1879bcbabafSMatti Vaittinen if (new > now) { 188fedbfea1SMatti Vaittinen int tmp; 189fedbfea1SMatti Vaittinen int prot_bit; 1909bcbabafSMatti Vaittinen int ldo_offset = rdev->desc->id - BD718XX_LDO1; 1919bcbabafSMatti Vaittinen 192fedbfea1SMatti Vaittinen prot_bit = BD718XX_LDO1_VRMON80 << ldo_offset; 193fedbfea1SMatti Vaittinen ret = regmap_read(rdev->regmap, BD718XX_REG_MVRFLTMASK2, 194fedbfea1SMatti Vaittinen &tmp); 195fedbfea1SMatti Vaittinen if (ret) { 196fedbfea1SMatti Vaittinen dev_err(&rdev->dev, 197fedbfea1SMatti Vaittinen "Failed to read voltage monitoring state\n"); 198fedbfea1SMatti Vaittinen return ret; 199fedbfea1SMatti Vaittinen } 200fedbfea1SMatti Vaittinen 201fedbfea1SMatti Vaittinen if (!(tmp & prot_bit)) { 202fedbfea1SMatti Vaittinen /* We disable protection if it was enabled... */ 203fedbfea1SMatti Vaittinen ret = regmap_set_bits(rdev->regmap, 2049bcbabafSMatti Vaittinen BD718XX_REG_MVRFLTMASK2, 205fedbfea1SMatti Vaittinen prot_bit); 206fedbfea1SMatti Vaittinen /* ...and we also want to re-enable it */ 207fedbfea1SMatti Vaittinen *mask = prot_bit; 208fedbfea1SMatti Vaittinen } 2099bcbabafSMatti Vaittinen if (ret) { 2109bcbabafSMatti Vaittinen dev_err(&rdev->dev, 2119bcbabafSMatti Vaittinen "Failed to stop voltage monitoring\n"); 2129bcbabafSMatti Vaittinen return ret; 2139bcbabafSMatti Vaittinen } 2149bcbabafSMatti Vaittinen } 2159bcbabafSMatti Vaittinen } 2169bcbabafSMatti Vaittinen 2179bcbabafSMatti Vaittinen return 0; 2189bcbabafSMatti Vaittinen } 2199bcbabafSMatti Vaittinen 2209bcbabafSMatti Vaittinen static int bd718xx_set_voltage_sel_restricted(struct regulator_dev *rdev, 2219bcbabafSMatti Vaittinen unsigned int sel) 2229bcbabafSMatti Vaittinen { 2239bcbabafSMatti Vaittinen int ret; 2249bcbabafSMatti Vaittinen int mask; 2259bcbabafSMatti Vaittinen 2269bcbabafSMatti Vaittinen ret = voltage_change_prepare(rdev, sel, &mask); 2279bcbabafSMatti Vaittinen if (ret) 2289bcbabafSMatti Vaittinen return ret; 2299bcbabafSMatti Vaittinen 2309bcbabafSMatti Vaittinen ret = regulator_set_voltage_sel_regmap(rdev, sel); 2319bcbabafSMatti Vaittinen voltage_change_done(rdev, sel, &mask); 2329bcbabafSMatti Vaittinen 2339bcbabafSMatti Vaittinen return ret; 2349bcbabafSMatti Vaittinen } 2359bcbabafSMatti Vaittinen 2362ece646cSMatti Vaittinen static int bd718xx_set_voltage_sel_pickable_restricted( 2372ece646cSMatti Vaittinen struct regulator_dev *rdev, unsigned int sel) 2382ece646cSMatti Vaittinen { 2399bcbabafSMatti Vaittinen int ret; 2409bcbabafSMatti Vaittinen int mask; 2419bcbabafSMatti Vaittinen 2429bcbabafSMatti Vaittinen ret = voltage_change_prepare(rdev, sel, &mask); 2439bcbabafSMatti Vaittinen if (ret) 2449bcbabafSMatti Vaittinen return ret; 2459bcbabafSMatti Vaittinen 2469bcbabafSMatti Vaittinen ret = regulator_set_voltage_sel_pickable_regmap(rdev, sel); 2479bcbabafSMatti Vaittinen voltage_change_done(rdev, sel, &mask); 2489bcbabafSMatti Vaittinen 2499bcbabafSMatti Vaittinen return ret; 2509bcbabafSMatti Vaittinen } 2519bcbabafSMatti Vaittinen 2529bcbabafSMatti Vaittinen static int bd71837_set_voltage_sel_pickable_restricted( 2539bcbabafSMatti Vaittinen struct regulator_dev *rdev, unsigned int sel) 2549bcbabafSMatti Vaittinen { 2551d848d68SMatti Vaittinen if (rdev->desc->ops->is_enabled(rdev)) 2562ece646cSMatti Vaittinen return -EBUSY; 2572ece646cSMatti Vaittinen 2582ece646cSMatti Vaittinen return regulator_set_voltage_sel_pickable_regmap(rdev, sel); 2592ece646cSMatti Vaittinen } 2602ece646cSMatti Vaittinen 2611d848d68SMatti Vaittinen /* 2622ece646cSMatti Vaittinen * BD71837 BUCK1/2/3/4 2632ece646cSMatti Vaittinen * BD71847 BUCK1/2 2642ece646cSMatti Vaittinen * 0.70 to 1.30V (10mV step) 2652ece646cSMatti Vaittinen */ 26660ab7f41SMatti Vaittinen static const struct linear_range bd718xx_dvs_buck_volts[] = { 2672ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(700000, 0x00, 0x3C, 10000), 2682ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(1300000, 0x3D, 0x3F, 0), 2692ece646cSMatti Vaittinen }; 2702ece646cSMatti Vaittinen 2712ece646cSMatti Vaittinen /* 2722ece646cSMatti Vaittinen * BD71837 BUCK5 2732ece646cSMatti Vaittinen * 0.7V to 1.35V (range 0) 2742ece646cSMatti Vaittinen * and 2752ece646cSMatti Vaittinen * 0.675 to 1.325 (range 1) 2762ece646cSMatti Vaittinen */ 27760ab7f41SMatti Vaittinen static const struct linear_range bd71837_buck5_volts[] = { 2782ece646cSMatti Vaittinen /* Ranges when VOLT_SEL bit is 0 */ 2792ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(700000, 0x00, 0x03, 100000), 2802ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(1050000, 0x04, 0x05, 50000), 2812ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(1200000, 0x06, 0x07, 150000), 2822ece646cSMatti Vaittinen /* Ranges when VOLT_SEL bit is 1 */ 2832ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(675000, 0x0, 0x3, 100000), 2842ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(1025000, 0x4, 0x5, 50000), 2852ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(1175000, 0x6, 0x7, 150000), 2862ece646cSMatti Vaittinen }; 2872ece646cSMatti Vaittinen 2882ece646cSMatti Vaittinen /* 2892ece646cSMatti Vaittinen * Range selector for first 3 linear ranges is 0x0 2902ece646cSMatti Vaittinen * and 0x1 for last 3 ranges. 2912ece646cSMatti Vaittinen */ 2922ece646cSMatti Vaittinen static const unsigned int bd71837_buck5_volt_range_sel[] = { 293269cb04bSChen-Yu Tsai 0x0, 0x0, 0x0, 0x1, 0x1, 0x1 2942ece646cSMatti Vaittinen }; 2952ece646cSMatti Vaittinen 2962ece646cSMatti Vaittinen /* 2972ece646cSMatti Vaittinen * BD71847 BUCK3 2982ece646cSMatti Vaittinen */ 29960ab7f41SMatti Vaittinen static const struct linear_range bd71847_buck3_volts[] = { 3002ece646cSMatti Vaittinen /* Ranges when VOLT_SEL bits are 00 */ 3012ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(700000, 0x00, 0x03, 100000), 3022ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(1050000, 0x04, 0x05, 50000), 3032ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(1200000, 0x06, 0x07, 150000), 3042ece646cSMatti Vaittinen /* Ranges when VOLT_SEL bits are 01 */ 3052ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(550000, 0x0, 0x7, 50000), 3062ece646cSMatti Vaittinen /* Ranges when VOLT_SEL bits are 11 */ 3072ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(675000, 0x0, 0x3, 100000), 3082ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(1025000, 0x4, 0x5, 50000), 3092ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(1175000, 0x6, 0x7, 150000), 3102ece646cSMatti Vaittinen }; 3112ece646cSMatti Vaittinen 3122ece646cSMatti Vaittinen static const unsigned int bd71847_buck3_volt_range_sel[] = { 313269cb04bSChen-Yu Tsai 0x0, 0x0, 0x0, 0x1, 0x2, 0x2, 0x2 3142ece646cSMatti Vaittinen }; 3152ece646cSMatti Vaittinen 31660ab7f41SMatti Vaittinen static const struct linear_range bd71847_buck4_volts[] = { 3172ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000), 3182ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(2600000, 0x00, 0x03, 100000), 3192ece646cSMatti Vaittinen }; 3202ece646cSMatti Vaittinen 321269cb04bSChen-Yu Tsai static const unsigned int bd71847_buck4_volt_range_sel[] = { 0x0, 0x1 }; 3222ece646cSMatti Vaittinen 3232ece646cSMatti Vaittinen /* 3242ece646cSMatti Vaittinen * BUCK6 3252ece646cSMatti Vaittinen * 3.0V to 3.3V (step 100mV) 3262ece646cSMatti Vaittinen */ 32760ab7f41SMatti Vaittinen static const struct linear_range bd71837_buck6_volts[] = { 3282ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000), 3292ece646cSMatti Vaittinen }; 3302ece646cSMatti Vaittinen 3312ece646cSMatti Vaittinen /* 3322ece646cSMatti Vaittinen * BD71837 BUCK7 3332ece646cSMatti Vaittinen * BD71847 BUCK5 3342ece646cSMatti Vaittinen * 000 = 1.605V 3352ece646cSMatti Vaittinen * 001 = 1.695V 3362ece646cSMatti Vaittinen * 010 = 1.755V 3372ece646cSMatti Vaittinen * 011 = 1.8V (Initial) 3382ece646cSMatti Vaittinen * 100 = 1.845V 3392ece646cSMatti Vaittinen * 101 = 1.905V 3402ece646cSMatti Vaittinen * 110 = 1.95V 3412ece646cSMatti Vaittinen * 111 = 1.995V 3422ece646cSMatti Vaittinen */ 3432ece646cSMatti Vaittinen static const unsigned int bd718xx_3rd_nodvs_buck_volts[] = { 3442ece646cSMatti Vaittinen 1605000, 1695000, 1755000, 1800000, 1845000, 1905000, 1950000, 1995000 3452ece646cSMatti Vaittinen }; 3462ece646cSMatti Vaittinen 3472ece646cSMatti Vaittinen /* 3482ece646cSMatti Vaittinen * BUCK8 3492ece646cSMatti Vaittinen * 0.8V to 1.40V (step 10mV) 3502ece646cSMatti Vaittinen */ 35160ab7f41SMatti Vaittinen static const struct linear_range bd718xx_4th_nodvs_buck_volts[] = { 3522ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(800000, 0x00, 0x3C, 10000), 3532ece646cSMatti Vaittinen }; 3542ece646cSMatti Vaittinen 3552ece646cSMatti Vaittinen /* 3562ece646cSMatti Vaittinen * LDO1 3572ece646cSMatti Vaittinen * 3.0 to 3.3V (100mV step) 3582ece646cSMatti Vaittinen */ 35960ab7f41SMatti Vaittinen static const struct linear_range bd718xx_ldo1_volts[] = { 3602ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000), 3612ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(1600000, 0x00, 0x03, 100000), 3622ece646cSMatti Vaittinen }; 3632ece646cSMatti Vaittinen 364269cb04bSChen-Yu Tsai static const unsigned int bd718xx_ldo1_volt_range_sel[] = { 0x0, 0x1 }; 3652ece646cSMatti Vaittinen 3662ece646cSMatti Vaittinen /* 3672ece646cSMatti Vaittinen * LDO2 3682ece646cSMatti Vaittinen * 0.8 or 0.9V 3692ece646cSMatti Vaittinen */ 3702ece646cSMatti Vaittinen static const unsigned int ldo_2_volts[] = { 3712ece646cSMatti Vaittinen 900000, 800000 3722ece646cSMatti Vaittinen }; 3732ece646cSMatti Vaittinen 3742ece646cSMatti Vaittinen /* 3752ece646cSMatti Vaittinen * LDO3 3762ece646cSMatti Vaittinen * 1.8 to 3.3V (100mV step) 3772ece646cSMatti Vaittinen */ 37860ab7f41SMatti Vaittinen static const struct linear_range bd718xx_ldo3_volts[] = { 3792ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000), 3802ece646cSMatti Vaittinen }; 3812ece646cSMatti Vaittinen 3822ece646cSMatti Vaittinen /* 3832ece646cSMatti Vaittinen * LDO4 3842ece646cSMatti Vaittinen * 0.9 to 1.8V (100mV step) 3852ece646cSMatti Vaittinen */ 38660ab7f41SMatti Vaittinen static const struct linear_range bd718xx_ldo4_volts[] = { 3872ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(900000, 0x00, 0x09, 100000), 3882ece646cSMatti Vaittinen }; 3892ece646cSMatti Vaittinen 3902ece646cSMatti Vaittinen /* 3912ece646cSMatti Vaittinen * LDO5 for BD71837 3922ece646cSMatti Vaittinen * 1.8 to 3.3V (100mV step) 3932ece646cSMatti Vaittinen */ 39460ab7f41SMatti Vaittinen static const struct linear_range bd71837_ldo5_volts[] = { 3952ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000), 3962ece646cSMatti Vaittinen }; 3972ece646cSMatti Vaittinen 3982ece646cSMatti Vaittinen /* 3992ece646cSMatti Vaittinen * LDO5 for BD71837 4002ece646cSMatti Vaittinen * 1.8 to 3.3V (100mV step) 4012ece646cSMatti Vaittinen */ 40260ab7f41SMatti Vaittinen static const struct linear_range bd71847_ldo5_volts[] = { 4032ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000), 4042ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(800000, 0x00, 0x0F, 100000), 4052ece646cSMatti Vaittinen }; 4062ece646cSMatti Vaittinen 407269cb04bSChen-Yu Tsai static const unsigned int bd71847_ldo5_volt_range_sel[] = { 0x0, 0x1 }; 4082ece646cSMatti Vaittinen 4092ece646cSMatti Vaittinen /* 4102ece646cSMatti Vaittinen * LDO6 4112ece646cSMatti Vaittinen * 0.9 to 1.8V (100mV step) 4122ece646cSMatti Vaittinen */ 41360ab7f41SMatti Vaittinen static const struct linear_range bd718xx_ldo6_volts[] = { 4142ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(900000, 0x00, 0x09, 100000), 4152ece646cSMatti Vaittinen }; 4162ece646cSMatti Vaittinen 4172ece646cSMatti Vaittinen /* 4182ece646cSMatti Vaittinen * LDO7 4192ece646cSMatti Vaittinen * 1.8 to 3.3V (100mV step) 4202ece646cSMatti Vaittinen */ 42160ab7f41SMatti Vaittinen static const struct linear_range bd71837_ldo7_volts[] = { 4222ece646cSMatti Vaittinen REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000), 4232ece646cSMatti Vaittinen }; 4242ece646cSMatti Vaittinen 4252ece646cSMatti Vaittinen struct reg_init { 4262ece646cSMatti Vaittinen unsigned int reg; 4272ece646cSMatti Vaittinen unsigned int mask; 4282ece646cSMatti Vaittinen unsigned int val; 4292ece646cSMatti Vaittinen }; 4302ece646cSMatti Vaittinen struct bd718xx_regulator_data { 4312ece646cSMatti Vaittinen struct regulator_desc desc; 43221b72156SMatti Vaittinen const struct rohm_dvs_config dvs; 4332ece646cSMatti Vaittinen const struct reg_init init; 4342ece646cSMatti Vaittinen const struct reg_init *additional_inits; 4352ece646cSMatti Vaittinen int additional_init_amnt; 4362ece646cSMatti Vaittinen }; 4372ece646cSMatti Vaittinen 438fedbfea1SMatti Vaittinen static int bd718x7_xvp_sanity_check(struct regulator_dev *rdev, int lim_uV, 439fedbfea1SMatti Vaittinen int severity) 440fedbfea1SMatti Vaittinen { 441fedbfea1SMatti Vaittinen /* 442fedbfea1SMatti Vaittinen * BD71837/47/50 ... (ICs supported by this driver) do not provide 443fedbfea1SMatti Vaittinen * warnings, only protection 444fedbfea1SMatti Vaittinen */ 445fedbfea1SMatti Vaittinen if (severity != REGULATOR_SEVERITY_PROT) { 446fedbfea1SMatti Vaittinen dev_err(&rdev->dev, 447fedbfea1SMatti Vaittinen "Unsupported Under Voltage protection level\n"); 448fedbfea1SMatti Vaittinen return -EINVAL; 449fedbfea1SMatti Vaittinen } 450fedbfea1SMatti Vaittinen 451fedbfea1SMatti Vaittinen /* 452fedbfea1SMatti Vaittinen * And protection limit is not changeable. It can only be enabled 453fedbfea1SMatti Vaittinen * or disabled 454fedbfea1SMatti Vaittinen */ 455fedbfea1SMatti Vaittinen if (lim_uV) 456fedbfea1SMatti Vaittinen return -EINVAL; 457fedbfea1SMatti Vaittinen 458fedbfea1SMatti Vaittinen return 0; 459fedbfea1SMatti Vaittinen } 460fedbfea1SMatti Vaittinen 461fedbfea1SMatti Vaittinen static int bd718x7_set_ldo_uvp(struct regulator_dev *rdev, int lim_uV, 462fedbfea1SMatti Vaittinen int severity, bool enable) 463fedbfea1SMatti Vaittinen { 464fedbfea1SMatti Vaittinen int ldo_offset = rdev->desc->id - BD718XX_LDO1; 465fedbfea1SMatti Vaittinen int prot_bit, ret; 466fedbfea1SMatti Vaittinen 467fedbfea1SMatti Vaittinen ret = bd718x7_xvp_sanity_check(rdev, lim_uV, severity); 468fedbfea1SMatti Vaittinen if (ret) 469fedbfea1SMatti Vaittinen return ret; 470fedbfea1SMatti Vaittinen 471fedbfea1SMatti Vaittinen prot_bit = BD718XX_LDO1_VRMON80 << ldo_offset; 472fedbfea1SMatti Vaittinen 473fedbfea1SMatti Vaittinen if (enable) 474fedbfea1SMatti Vaittinen return regmap_clear_bits(rdev->regmap, BD718XX_REG_MVRFLTMASK2, 475fedbfea1SMatti Vaittinen prot_bit); 476fedbfea1SMatti Vaittinen 477fedbfea1SMatti Vaittinen return regmap_set_bits(rdev->regmap, BD718XX_REG_MVRFLTMASK2, 478fedbfea1SMatti Vaittinen prot_bit); 479fedbfea1SMatti Vaittinen } 480fedbfea1SMatti Vaittinen 481fedbfea1SMatti Vaittinen static int bd718x7_get_buck_prot_reg(int id, int *reg) 482fedbfea1SMatti Vaittinen { 483fedbfea1SMatti Vaittinen 484fedbfea1SMatti Vaittinen if (id > BD718XX_BUCK8) { 485fedbfea1SMatti Vaittinen WARN_ON(id > BD718XX_BUCK8); 486fedbfea1SMatti Vaittinen return -EINVAL; 487fedbfea1SMatti Vaittinen } 488fedbfea1SMatti Vaittinen 489fedbfea1SMatti Vaittinen if (id > BD718XX_BUCK4) 490fedbfea1SMatti Vaittinen *reg = BD718XX_REG_MVRFLTMASK0; 491fedbfea1SMatti Vaittinen else 492fedbfea1SMatti Vaittinen *reg = BD718XX_REG_MVRFLTMASK1; 493fedbfea1SMatti Vaittinen 494fedbfea1SMatti Vaittinen return 0; 495fedbfea1SMatti Vaittinen } 496fedbfea1SMatti Vaittinen 497fedbfea1SMatti Vaittinen static int bd718x7_get_buck_ovp_info(int id, int *reg, int *bit) 498fedbfea1SMatti Vaittinen { 499fedbfea1SMatti Vaittinen int ret; 500fedbfea1SMatti Vaittinen 501fedbfea1SMatti Vaittinen ret = bd718x7_get_buck_prot_reg(id, reg); 502fedbfea1SMatti Vaittinen if (ret) 503fedbfea1SMatti Vaittinen return ret; 504fedbfea1SMatti Vaittinen 505fedbfea1SMatti Vaittinen *bit = BIT((id % 4) * 2 + 1); 506fedbfea1SMatti Vaittinen 507fedbfea1SMatti Vaittinen return 0; 508fedbfea1SMatti Vaittinen } 509fedbfea1SMatti Vaittinen 510fedbfea1SMatti Vaittinen static int bd718x7_get_buck_uvp_info(int id, int *reg, int *bit) 511fedbfea1SMatti Vaittinen { 512fedbfea1SMatti Vaittinen int ret; 513fedbfea1SMatti Vaittinen 514fedbfea1SMatti Vaittinen ret = bd718x7_get_buck_prot_reg(id, reg); 515fedbfea1SMatti Vaittinen if (ret) 516fedbfea1SMatti Vaittinen return ret; 517fedbfea1SMatti Vaittinen 518fedbfea1SMatti Vaittinen *bit = BIT((id % 4) * 2); 519fedbfea1SMatti Vaittinen 520fedbfea1SMatti Vaittinen return 0; 521fedbfea1SMatti Vaittinen } 522fedbfea1SMatti Vaittinen 523fedbfea1SMatti Vaittinen static int bd718x7_set_buck_uvp(struct regulator_dev *rdev, int lim_uV, 524fedbfea1SMatti Vaittinen int severity, bool enable) 525fedbfea1SMatti Vaittinen { 526fedbfea1SMatti Vaittinen int bit, reg, ret; 527fedbfea1SMatti Vaittinen 528fedbfea1SMatti Vaittinen ret = bd718x7_xvp_sanity_check(rdev, lim_uV, severity); 529fedbfea1SMatti Vaittinen if (ret) 530fedbfea1SMatti Vaittinen return ret; 531fedbfea1SMatti Vaittinen 532fedbfea1SMatti Vaittinen ret = bd718x7_get_buck_uvp_info(rdev->desc->id, ®, &bit); 533fedbfea1SMatti Vaittinen if (ret) 534fedbfea1SMatti Vaittinen return ret; 535fedbfea1SMatti Vaittinen 536fedbfea1SMatti Vaittinen if (enable) 537fedbfea1SMatti Vaittinen return regmap_clear_bits(rdev->regmap, reg, bit); 538fedbfea1SMatti Vaittinen 539fedbfea1SMatti Vaittinen return regmap_set_bits(rdev->regmap, reg, bit); 540fedbfea1SMatti Vaittinen 541fedbfea1SMatti Vaittinen } 542fedbfea1SMatti Vaittinen 543fedbfea1SMatti Vaittinen static int bd718x7_set_buck_ovp(struct regulator_dev *rdev, int lim_uV, 544fedbfea1SMatti Vaittinen int severity, 545fedbfea1SMatti Vaittinen bool enable) 546fedbfea1SMatti Vaittinen { 547fedbfea1SMatti Vaittinen int bit, reg, ret; 548fedbfea1SMatti Vaittinen 549fedbfea1SMatti Vaittinen ret = bd718x7_xvp_sanity_check(rdev, lim_uV, severity); 550fedbfea1SMatti Vaittinen if (ret) 551fedbfea1SMatti Vaittinen return ret; 552fedbfea1SMatti Vaittinen 553fedbfea1SMatti Vaittinen ret = bd718x7_get_buck_ovp_info(rdev->desc->id, ®, &bit); 554fedbfea1SMatti Vaittinen if (ret) 555fedbfea1SMatti Vaittinen return ret; 556fedbfea1SMatti Vaittinen 557fedbfea1SMatti Vaittinen if (enable) 558fedbfea1SMatti Vaittinen return regmap_clear_bits(rdev->regmap, reg, bit); 559fedbfea1SMatti Vaittinen 560fedbfea1SMatti Vaittinen return regmap_set_bits(rdev->regmap, reg, bit); 561fedbfea1SMatti Vaittinen } 562fedbfea1SMatti Vaittinen 563fedbfea1SMatti Vaittinen /* 564fedbfea1SMatti Vaittinen * OPS common for BD71847 and BD71850 565fedbfea1SMatti Vaittinen */ 566fedbfea1SMatti Vaittinen BD718XX_OPS(bd718xx_pickable_range_ldo_ops, 567fedbfea1SMatti Vaittinen regulator_list_voltage_pickable_linear_range, NULL, 568fedbfea1SMatti Vaittinen bd718xx_set_voltage_sel_pickable_restricted, 569fedbfea1SMatti Vaittinen regulator_get_voltage_sel_pickable_regmap, NULL, NULL, 570fedbfea1SMatti Vaittinen bd718x7_set_ldo_uvp, NULL); 571fedbfea1SMatti Vaittinen 572fedbfea1SMatti Vaittinen /* BD71847 and BD71850 LDO 5 is by default OFF at RUN state */ 573fedbfea1SMatti Vaittinen static const struct regulator_ops bd718xx_ldo5_ops_hwstate = { 574fedbfea1SMatti Vaittinen .is_enabled = never_enabled_by_hwstate, 575fedbfea1SMatti Vaittinen .list_voltage = regulator_list_voltage_pickable_linear_range, 576fedbfea1SMatti Vaittinen .set_voltage_sel = bd718xx_set_voltage_sel_pickable_restricted, 577fedbfea1SMatti Vaittinen .get_voltage_sel = regulator_get_voltage_sel_pickable_regmap, 578fedbfea1SMatti Vaittinen .set_under_voltage_protection = bd718x7_set_ldo_uvp, 579fedbfea1SMatti Vaittinen }; 580fedbfea1SMatti Vaittinen 581fedbfea1SMatti Vaittinen BD718XX_OPS(bd718xx_pickable_range_buck_ops, 582fedbfea1SMatti Vaittinen regulator_list_voltage_pickable_linear_range, NULL, 583fedbfea1SMatti Vaittinen regulator_set_voltage_sel_pickable_regmap, 584fedbfea1SMatti Vaittinen regulator_get_voltage_sel_pickable_regmap, 585fedbfea1SMatti Vaittinen regulator_set_voltage_time_sel, NULL, bd718x7_set_buck_uvp, 586fedbfea1SMatti Vaittinen bd718x7_set_buck_ovp); 587fedbfea1SMatti Vaittinen 588fedbfea1SMatti Vaittinen BD718XX_OPS(bd718xx_ldo_regulator_ops, regulator_list_voltage_linear_range, 589fedbfea1SMatti Vaittinen NULL, bd718xx_set_voltage_sel_restricted, 590fedbfea1SMatti Vaittinen regulator_get_voltage_sel_regmap, NULL, NULL, bd718x7_set_ldo_uvp, 591fedbfea1SMatti Vaittinen NULL); 592fedbfea1SMatti Vaittinen 593fedbfea1SMatti Vaittinen BD718XX_OPS(bd718xx_ldo_regulator_nolinear_ops, regulator_list_voltage_table, 594fedbfea1SMatti Vaittinen NULL, bd718xx_set_voltage_sel_restricted, 595fedbfea1SMatti Vaittinen regulator_get_voltage_sel_regmap, NULL, NULL, bd718x7_set_ldo_uvp, 596fedbfea1SMatti Vaittinen NULL); 597fedbfea1SMatti Vaittinen 598fedbfea1SMatti Vaittinen BD718XX_OPS(bd718xx_buck_regulator_ops, regulator_list_voltage_linear_range, 599fedbfea1SMatti Vaittinen NULL, regulator_set_voltage_sel_regmap, 600fedbfea1SMatti Vaittinen regulator_get_voltage_sel_regmap, regulator_set_voltage_time_sel, 601fedbfea1SMatti Vaittinen NULL, bd718x7_set_buck_uvp, bd718x7_set_buck_ovp); 602fedbfea1SMatti Vaittinen 603fedbfea1SMatti Vaittinen BD718XX_OPS(bd718xx_buck_regulator_nolinear_ops, regulator_list_voltage_table, 604fedbfea1SMatti Vaittinen regulator_map_voltage_ascend, regulator_set_voltage_sel_regmap, 605fedbfea1SMatti Vaittinen regulator_get_voltage_sel_regmap, regulator_set_voltage_time_sel, 606fedbfea1SMatti Vaittinen NULL, bd718x7_set_buck_uvp, bd718x7_set_buck_ovp); 607fedbfea1SMatti Vaittinen 608fedbfea1SMatti Vaittinen /* 609fedbfea1SMatti Vaittinen * OPS for BD71837 610fedbfea1SMatti Vaittinen */ 611fedbfea1SMatti Vaittinen BD718XX_OPS(bd71837_pickable_range_ldo_ops, 612fedbfea1SMatti Vaittinen regulator_list_voltage_pickable_linear_range, NULL, 613fedbfea1SMatti Vaittinen bd71837_set_voltage_sel_pickable_restricted, 614fedbfea1SMatti Vaittinen regulator_get_voltage_sel_pickable_regmap, NULL, NULL, 615fedbfea1SMatti Vaittinen bd718x7_set_ldo_uvp, NULL); 616fedbfea1SMatti Vaittinen 617fedbfea1SMatti Vaittinen BD718XX_OPS(bd71837_pickable_range_buck_ops, 618fedbfea1SMatti Vaittinen regulator_list_voltage_pickable_linear_range, NULL, 619fedbfea1SMatti Vaittinen bd71837_set_voltage_sel_pickable_restricted, 620fedbfea1SMatti Vaittinen regulator_get_voltage_sel_pickable_regmap, 621fedbfea1SMatti Vaittinen regulator_set_voltage_time_sel, NULL, bd718x7_set_buck_uvp, 622fedbfea1SMatti Vaittinen bd718x7_set_buck_ovp); 623fedbfea1SMatti Vaittinen 624fedbfea1SMatti Vaittinen BD718XX_OPS(bd71837_ldo_regulator_ops, regulator_list_voltage_linear_range, 625e7543e19SMatti Vaittinen NULL, rohm_regulator_set_voltage_sel_restricted, 626fedbfea1SMatti Vaittinen regulator_get_voltage_sel_regmap, NULL, NULL, bd718x7_set_ldo_uvp, 627fedbfea1SMatti Vaittinen NULL); 628fedbfea1SMatti Vaittinen 629fedbfea1SMatti Vaittinen BD718XX_OPS(bd71837_ldo_regulator_nolinear_ops, regulator_list_voltage_table, 630e7543e19SMatti Vaittinen NULL, rohm_regulator_set_voltage_sel_restricted, 631fedbfea1SMatti Vaittinen regulator_get_voltage_sel_regmap, NULL, NULL, bd718x7_set_ldo_uvp, 632fedbfea1SMatti Vaittinen NULL); 633fedbfea1SMatti Vaittinen 634fedbfea1SMatti Vaittinen BD718XX_OPS(bd71837_buck_regulator_ops, regulator_list_voltage_linear_range, 635e7543e19SMatti Vaittinen NULL, rohm_regulator_set_voltage_sel_restricted, 636fedbfea1SMatti Vaittinen regulator_get_voltage_sel_regmap, regulator_set_voltage_time_sel, 637fedbfea1SMatti Vaittinen NULL, bd718x7_set_buck_uvp, bd718x7_set_buck_ovp); 638fedbfea1SMatti Vaittinen 639fedbfea1SMatti Vaittinen BD718XX_OPS(bd71837_buck_regulator_nolinear_ops, regulator_list_voltage_table, 640e7543e19SMatti Vaittinen regulator_map_voltage_ascend, rohm_regulator_set_voltage_sel_restricted, 641fedbfea1SMatti Vaittinen regulator_get_voltage_sel_regmap, regulator_set_voltage_time_sel, 642fedbfea1SMatti Vaittinen NULL, bd718x7_set_buck_uvp, bd718x7_set_buck_ovp); 643fedbfea1SMatti Vaittinen /* 644fedbfea1SMatti Vaittinen * BD71837 bucks 3 and 4 support defining their enable/disable state also 645fedbfea1SMatti Vaittinen * when buck enable state is under HW state machine control. In that case the 646fedbfea1SMatti Vaittinen * bit [2] in CTRL register is used to indicate if regulator should be ON. 647fedbfea1SMatti Vaittinen */ 648fedbfea1SMatti Vaittinen static const struct regulator_ops bd71837_buck34_ops_hwctrl = { 649fedbfea1SMatti Vaittinen .is_enabled = bd71837_get_buck34_enable_hwctrl, 650fedbfea1SMatti Vaittinen .list_voltage = regulator_list_voltage_linear_range, 651fedbfea1SMatti Vaittinen .set_voltage_sel = regulator_set_voltage_sel_regmap, 652fedbfea1SMatti Vaittinen .get_voltage_sel = regulator_get_voltage_sel_regmap, 653fedbfea1SMatti Vaittinen .set_voltage_time_sel = regulator_set_voltage_time_sel, 654fedbfea1SMatti Vaittinen .set_ramp_delay = regulator_set_ramp_delay_regmap, 655fedbfea1SMatti Vaittinen .set_under_voltage_protection = bd718x7_set_buck_uvp, 656fedbfea1SMatti Vaittinen .set_over_voltage_protection = bd718x7_set_buck_ovp, 657fedbfea1SMatti Vaittinen }; 658fedbfea1SMatti Vaittinen 659fedbfea1SMatti Vaittinen /* 660fedbfea1SMatti Vaittinen * OPS for all of the ICs - BD718(37/47/50) 661fedbfea1SMatti Vaittinen */ 662fedbfea1SMatti Vaittinen BD718XX_OPS(bd718xx_dvs_buck_regulator_ops, regulator_list_voltage_linear_range, 663fedbfea1SMatti Vaittinen NULL, regulator_set_voltage_sel_regmap, 664fedbfea1SMatti Vaittinen regulator_get_voltage_sel_regmap, regulator_set_voltage_time_sel, 665fedbfea1SMatti Vaittinen regulator_set_ramp_delay_regmap, bd718x7_set_buck_uvp, 666fedbfea1SMatti Vaittinen bd718x7_set_buck_ovp); 667fedbfea1SMatti Vaittinen 668fedbfea1SMatti Vaittinen 669fedbfea1SMatti Vaittinen 6702ece646cSMatti Vaittinen /* 6712ece646cSMatti Vaittinen * There is a HW quirk in BD71837. The shutdown sequence timings for 6722ece646cSMatti Vaittinen * bucks/LDOs which are controlled via register interface are changed. 6732ece646cSMatti Vaittinen * At PMIC poweroff the voltage for BUCK6/7 is cut immediately at the 6742ece646cSMatti Vaittinen * beginning of shut-down sequence. As bucks 6 and 7 are parent 6752ece646cSMatti Vaittinen * supplies for LDO5 and LDO6 - this causes LDO5/6 voltage 6762ece646cSMatti Vaittinen * monitoring to errorneously detect under voltage and force PMIC to 6772ece646cSMatti Vaittinen * emergency state instead of poweroff. In order to avoid this we 6782ece646cSMatti Vaittinen * disable voltage monitoring for LDO5 and LDO6 6792ece646cSMatti Vaittinen */ 6802ece646cSMatti Vaittinen static const struct reg_init bd71837_ldo5_inits[] = { 6812ece646cSMatti Vaittinen { 6822ece646cSMatti Vaittinen .reg = BD718XX_REG_MVRFLTMASK2, 6832ece646cSMatti Vaittinen .mask = BD718XX_LDO5_VRMON80, 6842ece646cSMatti Vaittinen .val = BD718XX_LDO5_VRMON80, 6852ece646cSMatti Vaittinen }, 6862ece646cSMatti Vaittinen }; 6872ece646cSMatti Vaittinen 6882ece646cSMatti Vaittinen static const struct reg_init bd71837_ldo6_inits[] = { 6892ece646cSMatti Vaittinen { 6902ece646cSMatti Vaittinen .reg = BD718XX_REG_MVRFLTMASK2, 6912ece646cSMatti Vaittinen .mask = BD718XX_LDO6_VRMON80, 6922ece646cSMatti Vaittinen .val = BD718XX_LDO6_VRMON80, 6932ece646cSMatti Vaittinen }, 6942ece646cSMatti Vaittinen }; 6952ece646cSMatti Vaittinen 69621b72156SMatti Vaittinen static int buck_set_hw_dvs_levels(struct device_node *np, 697049369d4SMatti Vaittinen const struct regulator_desc *desc, 698049369d4SMatti Vaittinen struct regulator_config *cfg) 699049369d4SMatti Vaittinen { 70021b72156SMatti Vaittinen struct bd718xx_regulator_data *data; 701049369d4SMatti Vaittinen 70221b72156SMatti Vaittinen data = container_of(desc, struct bd718xx_regulator_data, desc); 703049369d4SMatti Vaittinen 70421b72156SMatti Vaittinen return rohm_regulator_set_dvs_levels(&data->dvs, np, desc, cfg->regmap); 705049369d4SMatti Vaittinen } 706049369d4SMatti Vaittinen 70702f8eaabSYueHaibing static const struct regulator_ops *bd71847_swcontrol_ops[] = { 7081d848d68SMatti Vaittinen &bd718xx_dvs_buck_regulator_ops, &bd718xx_dvs_buck_regulator_ops, 7091d848d68SMatti Vaittinen &bd718xx_pickable_range_buck_ops, &bd718xx_pickable_range_buck_ops, 7101d848d68SMatti Vaittinen &bd718xx_buck_regulator_nolinear_ops, &bd718xx_buck_regulator_ops, 7111d848d68SMatti Vaittinen &bd718xx_pickable_range_ldo_ops, &bd718xx_ldo_regulator_nolinear_ops, 7121d848d68SMatti Vaittinen &bd718xx_ldo_regulator_ops, &bd718xx_ldo_regulator_ops, 7131d848d68SMatti Vaittinen &bd718xx_pickable_range_ldo_ops, &bd718xx_ldo_regulator_ops, 7141d848d68SMatti Vaittinen }; 7151d848d68SMatti Vaittinen 71602f8eaabSYueHaibing static const struct regulator_ops *bd71847_hwcontrol_ops[] = { 7171d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd718xx_dvs_buck_regulator_ops), 7181d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd718xx_dvs_buck_regulator_ops), 7191d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd718xx_pickable_range_buck_ops), 7201d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd718xx_pickable_range_buck_ops), 7211d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd718xx_buck_regulator_nolinear_ops), 7221d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd718xx_buck_regulator_ops), 7231d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd718xx_pickable_range_ldo_ops), 7241d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd718xx_ldo_regulator_nolinear_ops), 7251d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd718xx_ldo_regulator_ops), 7261d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd718xx_ldo_regulator_ops), 7271d848d68SMatti Vaittinen &bd718xx_ldo5_ops_hwstate, 7281d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd718xx_ldo_regulator_ops), 7291d848d68SMatti Vaittinen }; 7301d848d68SMatti Vaittinen 7311d848d68SMatti Vaittinen static struct bd718xx_regulator_data bd71847_regulators[] = { 7322ece646cSMatti Vaittinen { 7332ece646cSMatti Vaittinen .desc = { 7342ece646cSMatti Vaittinen .name = "buck1", 7352ece646cSMatti Vaittinen .of_match = of_match_ptr("BUCK1"), 7362ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 7372ece646cSMatti Vaittinen .id = BD718XX_BUCK1, 7382ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 7392ece646cSMatti Vaittinen .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM, 7402ece646cSMatti Vaittinen .linear_ranges = bd718xx_dvs_buck_volts, 7412ece646cSMatti Vaittinen .n_linear_ranges = 7422ece646cSMatti Vaittinen ARRAY_SIZE(bd718xx_dvs_buck_volts), 7432ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_BUCK1_VOLT_RUN, 7442ece646cSMatti Vaittinen .vsel_mask = DVS_BUCK_RUN_MASK, 7452ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_BUCK1_CTRL, 7462ece646cSMatti Vaittinen .enable_mask = BD718XX_BUCK_EN, 7473b66e4a8SGuido Günther .enable_time = BD71847_BUCK1_STARTUP_TIME, 7482ece646cSMatti Vaittinen .owner = THIS_MODULE, 74918f3c625SMatti Vaittinen .ramp_delay_table = bd718xx_ramp_delay, 75018f3c625SMatti Vaittinen .n_ramp_values = ARRAY_SIZE(bd718xx_ramp_delay), 75118f3c625SMatti Vaittinen .ramp_reg = BD718XX_REG_BUCK1_CTRL, 75218f3c625SMatti Vaittinen .ramp_mask = BUCK_RAMPRATE_MASK, 75321b72156SMatti Vaittinen .of_parse_cb = buck_set_hw_dvs_levels, 75421b72156SMatti Vaittinen }, 75521b72156SMatti Vaittinen .dvs = { 75621b72156SMatti Vaittinen .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE | 75721b72156SMatti Vaittinen ROHM_DVS_LEVEL_SUSPEND, 75821b72156SMatti Vaittinen .run_reg = BD718XX_REG_BUCK1_VOLT_RUN, 75921b72156SMatti Vaittinen .run_mask = DVS_BUCK_RUN_MASK, 76021b72156SMatti Vaittinen .idle_reg = BD718XX_REG_BUCK1_VOLT_IDLE, 76121b72156SMatti Vaittinen .idle_mask = DVS_BUCK_RUN_MASK, 76221b72156SMatti Vaittinen .suspend_reg = BD718XX_REG_BUCK1_VOLT_SUSP, 76321b72156SMatti Vaittinen .suspend_mask = DVS_BUCK_RUN_MASK, 7642ece646cSMatti Vaittinen }, 7652ece646cSMatti Vaittinen .init = { 7662ece646cSMatti Vaittinen .reg = BD718XX_REG_BUCK1_CTRL, 7672ece646cSMatti Vaittinen .mask = BD718XX_BUCK_SEL, 7682ece646cSMatti Vaittinen .val = BD718XX_BUCK_SEL, 7692ece646cSMatti Vaittinen }, 7702ece646cSMatti Vaittinen }, 7712ece646cSMatti Vaittinen { 7722ece646cSMatti Vaittinen .desc = { 7732ece646cSMatti Vaittinen .name = "buck2", 7742ece646cSMatti Vaittinen .of_match = of_match_ptr("BUCK2"), 7752ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 7762ece646cSMatti Vaittinen .id = BD718XX_BUCK2, 7772ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 7782ece646cSMatti Vaittinen .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM, 7792ece646cSMatti Vaittinen .linear_ranges = bd718xx_dvs_buck_volts, 7802ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts), 7812ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_BUCK2_VOLT_RUN, 7822ece646cSMatti Vaittinen .vsel_mask = DVS_BUCK_RUN_MASK, 7832ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_BUCK2_CTRL, 7842ece646cSMatti Vaittinen .enable_mask = BD718XX_BUCK_EN, 7853b66e4a8SGuido Günther .enable_time = BD71847_BUCK2_STARTUP_TIME, 78618f3c625SMatti Vaittinen .ramp_delay_table = bd718xx_ramp_delay, 78718f3c625SMatti Vaittinen .n_ramp_values = ARRAY_SIZE(bd718xx_ramp_delay), 78818f3c625SMatti Vaittinen .ramp_reg = BD718XX_REG_BUCK2_CTRL, 78918f3c625SMatti Vaittinen .ramp_mask = BUCK_RAMPRATE_MASK, 7902ece646cSMatti Vaittinen .owner = THIS_MODULE, 79121b72156SMatti Vaittinen .of_parse_cb = buck_set_hw_dvs_levels, 79221b72156SMatti Vaittinen }, 79321b72156SMatti Vaittinen .dvs = { 79421b72156SMatti Vaittinen .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE, 79521b72156SMatti Vaittinen .run_reg = BD718XX_REG_BUCK2_VOLT_RUN, 79621b72156SMatti Vaittinen .run_mask = DVS_BUCK_RUN_MASK, 79721b72156SMatti Vaittinen .idle_reg = BD718XX_REG_BUCK2_VOLT_IDLE, 79821b72156SMatti Vaittinen .idle_mask = DVS_BUCK_RUN_MASK, 7992ece646cSMatti Vaittinen }, 8002ece646cSMatti Vaittinen .init = { 8012ece646cSMatti Vaittinen .reg = BD718XX_REG_BUCK2_CTRL, 8022ece646cSMatti Vaittinen .mask = BD718XX_BUCK_SEL, 8032ece646cSMatti Vaittinen .val = BD718XX_BUCK_SEL, 8042ece646cSMatti Vaittinen }, 8052ece646cSMatti Vaittinen }, 8062ece646cSMatti Vaittinen { 8072ece646cSMatti Vaittinen .desc = { 8082ece646cSMatti Vaittinen .name = "buck3", 8092ece646cSMatti Vaittinen .of_match = of_match_ptr("BUCK3"), 8102ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 8112ece646cSMatti Vaittinen .id = BD718XX_BUCK3, 8122ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 8132ece646cSMatti Vaittinen .n_voltages = BD71847_BUCK3_VOLTAGE_NUM, 8142ece646cSMatti Vaittinen .linear_ranges = bd71847_buck3_volts, 8152ece646cSMatti Vaittinen .n_linear_ranges = 8162ece646cSMatti Vaittinen ARRAY_SIZE(bd71847_buck3_volts), 8172ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT, 8182ece646cSMatti Vaittinen .vsel_mask = BD718XX_1ST_NODVS_BUCK_MASK, 8192ece646cSMatti Vaittinen .vsel_range_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT, 8202ece646cSMatti Vaittinen .vsel_range_mask = BD71847_BUCK3_RANGE_MASK, 821269cb04bSChen-Yu Tsai .linear_range_selectors_bitfield = bd71847_buck3_volt_range_sel, 8222ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL, 8232ece646cSMatti Vaittinen .enable_mask = BD718XX_BUCK_EN, 8243b66e4a8SGuido Günther .enable_time = BD71847_BUCK3_STARTUP_TIME, 8252ece646cSMatti Vaittinen .owner = THIS_MODULE, 8262ece646cSMatti Vaittinen }, 8272ece646cSMatti Vaittinen .init = { 8282ece646cSMatti Vaittinen .reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL, 8292ece646cSMatti Vaittinen .mask = BD718XX_BUCK_SEL, 8302ece646cSMatti Vaittinen .val = BD718XX_BUCK_SEL, 8312ece646cSMatti Vaittinen }, 8322ece646cSMatti Vaittinen }, 8332ece646cSMatti Vaittinen { 8342ece646cSMatti Vaittinen .desc = { 8352ece646cSMatti Vaittinen .name = "buck4", 8362ece646cSMatti Vaittinen .of_match = of_match_ptr("BUCK4"), 8372ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 8382ece646cSMatti Vaittinen .id = BD718XX_BUCK4, 8392ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 8402ece646cSMatti Vaittinen .n_voltages = BD71847_BUCK4_VOLTAGE_NUM, 8412ece646cSMatti Vaittinen .linear_ranges = bd71847_buck4_volts, 8422ece646cSMatti Vaittinen .n_linear_ranges = 8432ece646cSMatti Vaittinen ARRAY_SIZE(bd71847_buck4_volts), 8442ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL, 8452ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_2ND_NODVS_BUCK_VOLT, 8462ece646cSMatti Vaittinen .vsel_mask = BD71847_BUCK4_MASK, 8472ece646cSMatti Vaittinen .vsel_range_reg = BD718XX_REG_2ND_NODVS_BUCK_VOLT, 8482ece646cSMatti Vaittinen .vsel_range_mask = BD71847_BUCK4_RANGE_MASK, 849269cb04bSChen-Yu Tsai .linear_range_selectors_bitfield = bd71847_buck4_volt_range_sel, 8502ece646cSMatti Vaittinen .enable_mask = BD718XX_BUCK_EN, 8513b66e4a8SGuido Günther .enable_time = BD71847_BUCK4_STARTUP_TIME, 8522ece646cSMatti Vaittinen .owner = THIS_MODULE, 8532ece646cSMatti Vaittinen }, 8542ece646cSMatti Vaittinen .init = { 8552ece646cSMatti Vaittinen .reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL, 8562ece646cSMatti Vaittinen .mask = BD718XX_BUCK_SEL, 8572ece646cSMatti Vaittinen .val = BD718XX_BUCK_SEL, 8582ece646cSMatti Vaittinen }, 8592ece646cSMatti Vaittinen }, 8602ece646cSMatti Vaittinen { 8612ece646cSMatti Vaittinen .desc = { 8622ece646cSMatti Vaittinen .name = "buck5", 8632ece646cSMatti Vaittinen .of_match = of_match_ptr("BUCK5"), 8642ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 8652ece646cSMatti Vaittinen .id = BD718XX_BUCK5, 8662ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 8672ece646cSMatti Vaittinen .volt_table = &bd718xx_3rd_nodvs_buck_volts[0], 8682ece646cSMatti Vaittinen .n_voltages = ARRAY_SIZE(bd718xx_3rd_nodvs_buck_volts), 8692ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_3RD_NODVS_BUCK_VOLT, 8702ece646cSMatti Vaittinen .vsel_mask = BD718XX_3RD_NODVS_BUCK_MASK, 8712ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL, 8722ece646cSMatti Vaittinen .enable_mask = BD718XX_BUCK_EN, 8733b66e4a8SGuido Günther .enable_time = BD71847_BUCK5_STARTUP_TIME, 8742ece646cSMatti Vaittinen .owner = THIS_MODULE, 8752ece646cSMatti Vaittinen }, 8762ece646cSMatti Vaittinen .init = { 8772ece646cSMatti Vaittinen .reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL, 8782ece646cSMatti Vaittinen .mask = BD718XX_BUCK_SEL, 8792ece646cSMatti Vaittinen .val = BD718XX_BUCK_SEL, 8802ece646cSMatti Vaittinen }, 8812ece646cSMatti Vaittinen }, 8822ece646cSMatti Vaittinen { 8832ece646cSMatti Vaittinen .desc = { 8842ece646cSMatti Vaittinen .name = "buck6", 8852ece646cSMatti Vaittinen .of_match = of_match_ptr("BUCK6"), 8862ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 8872ece646cSMatti Vaittinen .id = BD718XX_BUCK6, 8882ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 8892ece646cSMatti Vaittinen .n_voltages = BD718XX_4TH_NODVS_BUCK_VOLTAGE_NUM, 8902ece646cSMatti Vaittinen .linear_ranges = bd718xx_4th_nodvs_buck_volts, 8912ece646cSMatti Vaittinen .n_linear_ranges = 8922ece646cSMatti Vaittinen ARRAY_SIZE(bd718xx_4th_nodvs_buck_volts), 8932ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_4TH_NODVS_BUCK_VOLT, 8942ece646cSMatti Vaittinen .vsel_mask = BD718XX_4TH_NODVS_BUCK_MASK, 8952ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL, 8962ece646cSMatti Vaittinen .enable_mask = BD718XX_BUCK_EN, 8973b66e4a8SGuido Günther .enable_time = BD71847_BUCK6_STARTUP_TIME, 8982ece646cSMatti Vaittinen .owner = THIS_MODULE, 8992ece646cSMatti Vaittinen }, 9002ece646cSMatti Vaittinen .init = { 9012ece646cSMatti Vaittinen .reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL, 9022ece646cSMatti Vaittinen .mask = BD718XX_BUCK_SEL, 9032ece646cSMatti Vaittinen .val = BD718XX_BUCK_SEL, 9042ece646cSMatti Vaittinen }, 9052ece646cSMatti Vaittinen }, 9062ece646cSMatti Vaittinen { 9072ece646cSMatti Vaittinen .desc = { 9082ece646cSMatti Vaittinen .name = "ldo1", 9092ece646cSMatti Vaittinen .of_match = of_match_ptr("LDO1"), 9102ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 9112ece646cSMatti Vaittinen .id = BD718XX_LDO1, 9122ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 9132ece646cSMatti Vaittinen .n_voltages = BD718XX_LDO1_VOLTAGE_NUM, 9142ece646cSMatti Vaittinen .linear_ranges = bd718xx_ldo1_volts, 9152ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo1_volts), 9162ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_LDO1_VOLT, 9172ece646cSMatti Vaittinen .vsel_mask = BD718XX_LDO1_MASK, 9182ece646cSMatti Vaittinen .vsel_range_reg = BD718XX_REG_LDO1_VOLT, 9192ece646cSMatti Vaittinen .vsel_range_mask = BD718XX_LDO1_RANGE_MASK, 920269cb04bSChen-Yu Tsai .linear_range_selectors_bitfield = bd718xx_ldo1_volt_range_sel, 9212ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_LDO1_VOLT, 9222ece646cSMatti Vaittinen .enable_mask = BD718XX_LDO_EN, 9233b66e4a8SGuido Günther .enable_time = BD71847_LDO1_STARTUP_TIME, 9242ece646cSMatti Vaittinen .owner = THIS_MODULE, 9252ece646cSMatti Vaittinen }, 9262ece646cSMatti Vaittinen .init = { 9272ece646cSMatti Vaittinen .reg = BD718XX_REG_LDO1_VOLT, 9282ece646cSMatti Vaittinen .mask = BD718XX_LDO_SEL, 9292ece646cSMatti Vaittinen .val = BD718XX_LDO_SEL, 9302ece646cSMatti Vaittinen }, 9312ece646cSMatti Vaittinen }, 9322ece646cSMatti Vaittinen { 9332ece646cSMatti Vaittinen .desc = { 9342ece646cSMatti Vaittinen .name = "ldo2", 9352ece646cSMatti Vaittinen .of_match = of_match_ptr("LDO2"), 9362ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 9372ece646cSMatti Vaittinen .id = BD718XX_LDO2, 9382ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 9392ece646cSMatti Vaittinen .volt_table = &ldo_2_volts[0], 9402ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_LDO2_VOLT, 9412ece646cSMatti Vaittinen .vsel_mask = BD718XX_LDO2_MASK, 9422ece646cSMatti Vaittinen .n_voltages = ARRAY_SIZE(ldo_2_volts), 9432ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_LDO2_VOLT, 9442ece646cSMatti Vaittinen .enable_mask = BD718XX_LDO_EN, 9453b66e4a8SGuido Günther .enable_time = BD71847_LDO2_STARTUP_TIME, 9462ece646cSMatti Vaittinen .owner = THIS_MODULE, 9472ece646cSMatti Vaittinen }, 9482ece646cSMatti Vaittinen .init = { 9492ece646cSMatti Vaittinen .reg = BD718XX_REG_LDO2_VOLT, 9502ece646cSMatti Vaittinen .mask = BD718XX_LDO_SEL, 9512ece646cSMatti Vaittinen .val = BD718XX_LDO_SEL, 9522ece646cSMatti Vaittinen }, 9532ece646cSMatti Vaittinen }, 9542ece646cSMatti Vaittinen { 9552ece646cSMatti Vaittinen .desc = { 9562ece646cSMatti Vaittinen .name = "ldo3", 9572ece646cSMatti Vaittinen .of_match = of_match_ptr("LDO3"), 9582ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 9592ece646cSMatti Vaittinen .id = BD718XX_LDO3, 9602ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 9612ece646cSMatti Vaittinen .n_voltages = BD718XX_LDO3_VOLTAGE_NUM, 9622ece646cSMatti Vaittinen .linear_ranges = bd718xx_ldo3_volts, 9632ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo3_volts), 9642ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_LDO3_VOLT, 9652ece646cSMatti Vaittinen .vsel_mask = BD718XX_LDO3_MASK, 9662ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_LDO3_VOLT, 9672ece646cSMatti Vaittinen .enable_mask = BD718XX_LDO_EN, 9683b66e4a8SGuido Günther .enable_time = BD71847_LDO3_STARTUP_TIME, 9692ece646cSMatti Vaittinen .owner = THIS_MODULE, 9702ece646cSMatti Vaittinen }, 9712ece646cSMatti Vaittinen .init = { 9722ece646cSMatti Vaittinen .reg = BD718XX_REG_LDO3_VOLT, 9732ece646cSMatti Vaittinen .mask = BD718XX_LDO_SEL, 9742ece646cSMatti Vaittinen .val = BD718XX_LDO_SEL, 9752ece646cSMatti Vaittinen }, 9762ece646cSMatti Vaittinen }, 9772ece646cSMatti Vaittinen { 9782ece646cSMatti Vaittinen .desc = { 9792ece646cSMatti Vaittinen .name = "ldo4", 9802ece646cSMatti Vaittinen .of_match = of_match_ptr("LDO4"), 9812ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 9822ece646cSMatti Vaittinen .id = BD718XX_LDO4, 9832ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 9842ece646cSMatti Vaittinen .n_voltages = BD718XX_LDO4_VOLTAGE_NUM, 9852ece646cSMatti Vaittinen .linear_ranges = bd718xx_ldo4_volts, 9862ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo4_volts), 9872ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_LDO4_VOLT, 9882ece646cSMatti Vaittinen .vsel_mask = BD718XX_LDO4_MASK, 9892ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_LDO4_VOLT, 9902ece646cSMatti Vaittinen .enable_mask = BD718XX_LDO_EN, 9913b66e4a8SGuido Günther .enable_time = BD71847_LDO4_STARTUP_TIME, 9922ece646cSMatti Vaittinen .owner = THIS_MODULE, 9932ece646cSMatti Vaittinen }, 9942ece646cSMatti Vaittinen .init = { 9952ece646cSMatti Vaittinen .reg = BD718XX_REG_LDO4_VOLT, 9962ece646cSMatti Vaittinen .mask = BD718XX_LDO_SEL, 9972ece646cSMatti Vaittinen .val = BD718XX_LDO_SEL, 9982ece646cSMatti Vaittinen }, 9992ece646cSMatti Vaittinen }, 10002ece646cSMatti Vaittinen { 10012ece646cSMatti Vaittinen .desc = { 10022ece646cSMatti Vaittinen .name = "ldo5", 10032ece646cSMatti Vaittinen .of_match = of_match_ptr("LDO5"), 10042ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 10052ece646cSMatti Vaittinen .id = BD718XX_LDO5, 10062ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 10072ece646cSMatti Vaittinen .n_voltages = BD71847_LDO5_VOLTAGE_NUM, 10082ece646cSMatti Vaittinen .linear_ranges = bd71847_ldo5_volts, 10092ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd71847_ldo5_volts), 10102ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_LDO5_VOLT, 10112ece646cSMatti Vaittinen .vsel_mask = BD71847_LDO5_MASK, 10122ece646cSMatti Vaittinen .vsel_range_reg = BD718XX_REG_LDO5_VOLT, 10132ece646cSMatti Vaittinen .vsel_range_mask = BD71847_LDO5_RANGE_MASK, 1014269cb04bSChen-Yu Tsai .linear_range_selectors_bitfield = bd71847_ldo5_volt_range_sel, 10152ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_LDO5_VOLT, 10162ece646cSMatti Vaittinen .enable_mask = BD718XX_LDO_EN, 10173b66e4a8SGuido Günther .enable_time = BD71847_LDO5_STARTUP_TIME, 10182ece646cSMatti Vaittinen .owner = THIS_MODULE, 10192ece646cSMatti Vaittinen }, 10202ece646cSMatti Vaittinen .init = { 10212ece646cSMatti Vaittinen .reg = BD718XX_REG_LDO5_VOLT, 10222ece646cSMatti Vaittinen .mask = BD718XX_LDO_SEL, 10232ece646cSMatti Vaittinen .val = BD718XX_LDO_SEL, 10242ece646cSMatti Vaittinen }, 10252ece646cSMatti Vaittinen }, 10262ece646cSMatti Vaittinen { 10272ece646cSMatti Vaittinen .desc = { 10282ece646cSMatti Vaittinen .name = "ldo6", 10292ece646cSMatti Vaittinen .of_match = of_match_ptr("LDO6"), 10302ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 10312ece646cSMatti Vaittinen .id = BD718XX_LDO6, 10322ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 10332ece646cSMatti Vaittinen .n_voltages = BD718XX_LDO6_VOLTAGE_NUM, 10342ece646cSMatti Vaittinen .linear_ranges = bd718xx_ldo6_volts, 10352ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo6_volts), 10362ece646cSMatti Vaittinen /* LDO6 is supplied by buck5 */ 10372ece646cSMatti Vaittinen .supply_name = "buck5", 10382ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_LDO6_VOLT, 10392ece646cSMatti Vaittinen .vsel_mask = BD718XX_LDO6_MASK, 10402ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_LDO6_VOLT, 10412ece646cSMatti Vaittinen .enable_mask = BD718XX_LDO_EN, 10423b66e4a8SGuido Günther .enable_time = BD71847_LDO6_STARTUP_TIME, 10432ece646cSMatti Vaittinen .owner = THIS_MODULE, 10442ece646cSMatti Vaittinen }, 10452ece646cSMatti Vaittinen .init = { 10462ece646cSMatti Vaittinen .reg = BD718XX_REG_LDO6_VOLT, 10472ece646cSMatti Vaittinen .mask = BD718XX_LDO_SEL, 10482ece646cSMatti Vaittinen .val = BD718XX_LDO_SEL, 10492ece646cSMatti Vaittinen }, 10502ece646cSMatti Vaittinen }, 10512ece646cSMatti Vaittinen }; 10522ece646cSMatti Vaittinen 105302f8eaabSYueHaibing static const struct regulator_ops *bd71837_swcontrol_ops[] = { 10541d848d68SMatti Vaittinen &bd718xx_dvs_buck_regulator_ops, &bd718xx_dvs_buck_regulator_ops, 10551d848d68SMatti Vaittinen &bd718xx_dvs_buck_regulator_ops, &bd718xx_dvs_buck_regulator_ops, 10561d848d68SMatti Vaittinen &bd71837_pickable_range_buck_ops, &bd71837_buck_regulator_ops, 10571d848d68SMatti Vaittinen &bd71837_buck_regulator_nolinear_ops, &bd71837_buck_regulator_ops, 10581d848d68SMatti Vaittinen &bd71837_pickable_range_ldo_ops, &bd71837_ldo_regulator_nolinear_ops, 10591d848d68SMatti Vaittinen &bd71837_ldo_regulator_ops, &bd71837_ldo_regulator_ops, 10601d848d68SMatti Vaittinen &bd71837_ldo_regulator_ops, &bd71837_ldo_regulator_ops, 10611d848d68SMatti Vaittinen &bd71837_ldo_regulator_ops, 10621d848d68SMatti Vaittinen }; 10631d848d68SMatti Vaittinen 106402f8eaabSYueHaibing static const struct regulator_ops *bd71837_hwcontrol_ops[] = { 10651d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd718xx_dvs_buck_regulator_ops), 10661d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd718xx_dvs_buck_regulator_ops), 10671d848d68SMatti Vaittinen &bd71837_buck34_ops_hwctrl, &bd71837_buck34_ops_hwctrl, 10681d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd71837_pickable_range_buck_ops), 10691d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd71837_buck_regulator_ops), 10701d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd71837_buck_regulator_nolinear_ops), 10711d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd71837_buck_regulator_ops), 10721d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd71837_pickable_range_ldo_ops), 10731d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd71837_ldo_regulator_nolinear_ops), 10741d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd71837_ldo_regulator_ops), 10751d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd71837_ldo_regulator_ops), 10761d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd71837_ldo_regulator_ops), 10771d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd71837_ldo_regulator_ops), 10781d848d68SMatti Vaittinen &BD718XX_HWOPNAME(bd71837_ldo_regulator_ops), 10791d848d68SMatti Vaittinen }; 10801d848d68SMatti Vaittinen 10811d848d68SMatti Vaittinen static struct bd718xx_regulator_data bd71837_regulators[] = { 10822ece646cSMatti Vaittinen { 10832ece646cSMatti Vaittinen .desc = { 10842ece646cSMatti Vaittinen .name = "buck1", 10852ece646cSMatti Vaittinen .of_match = of_match_ptr("BUCK1"), 10862ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 10872ece646cSMatti Vaittinen .id = BD718XX_BUCK1, 10882ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 10892ece646cSMatti Vaittinen .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM, 10902ece646cSMatti Vaittinen .linear_ranges = bd718xx_dvs_buck_volts, 10912ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts), 10922ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_BUCK1_VOLT_RUN, 10932ece646cSMatti Vaittinen .vsel_mask = DVS_BUCK_RUN_MASK, 10942ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_BUCK1_CTRL, 10952ece646cSMatti Vaittinen .enable_mask = BD718XX_BUCK_EN, 10963b66e4a8SGuido Günther .enable_time = BD71837_BUCK1_STARTUP_TIME, 109718f3c625SMatti Vaittinen .ramp_delay_table = bd718xx_ramp_delay, 109818f3c625SMatti Vaittinen .n_ramp_values = ARRAY_SIZE(bd718xx_ramp_delay), 109918f3c625SMatti Vaittinen .ramp_reg = BD718XX_REG_BUCK1_CTRL, 110018f3c625SMatti Vaittinen .ramp_mask = BUCK_RAMPRATE_MASK, 11012ece646cSMatti Vaittinen .owner = THIS_MODULE, 110221b72156SMatti Vaittinen .of_parse_cb = buck_set_hw_dvs_levels, 110321b72156SMatti Vaittinen }, 110421b72156SMatti Vaittinen .dvs = { 110521b72156SMatti Vaittinen .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE | 110621b72156SMatti Vaittinen ROHM_DVS_LEVEL_SUSPEND, 110721b72156SMatti Vaittinen .run_reg = BD718XX_REG_BUCK1_VOLT_RUN, 110821b72156SMatti Vaittinen .run_mask = DVS_BUCK_RUN_MASK, 110921b72156SMatti Vaittinen .idle_reg = BD718XX_REG_BUCK1_VOLT_IDLE, 111021b72156SMatti Vaittinen .idle_mask = DVS_BUCK_RUN_MASK, 111121b72156SMatti Vaittinen .suspend_reg = BD718XX_REG_BUCK1_VOLT_SUSP, 111221b72156SMatti Vaittinen .suspend_mask = DVS_BUCK_RUN_MASK, 11132ece646cSMatti Vaittinen }, 11142ece646cSMatti Vaittinen .init = { 11152ece646cSMatti Vaittinen .reg = BD718XX_REG_BUCK1_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 = "buck2", 11232ece646cSMatti Vaittinen .of_match = of_match_ptr("BUCK2"), 11242ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 11252ece646cSMatti Vaittinen .id = BD718XX_BUCK2, 11262ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 11272ece646cSMatti Vaittinen .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM, 11282ece646cSMatti Vaittinen .linear_ranges = bd718xx_dvs_buck_volts, 11292ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts), 11302ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_BUCK2_VOLT_RUN, 11312ece646cSMatti Vaittinen .vsel_mask = DVS_BUCK_RUN_MASK, 11322ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_BUCK2_CTRL, 11332ece646cSMatti Vaittinen .enable_mask = BD718XX_BUCK_EN, 11343b66e4a8SGuido Günther .enable_time = BD71837_BUCK2_STARTUP_TIME, 113518f3c625SMatti Vaittinen .ramp_delay_table = bd718xx_ramp_delay, 113618f3c625SMatti Vaittinen .n_ramp_values = ARRAY_SIZE(bd718xx_ramp_delay), 113718f3c625SMatti Vaittinen .ramp_reg = BD718XX_REG_BUCK2_CTRL, 113818f3c625SMatti Vaittinen .ramp_mask = BUCK_RAMPRATE_MASK, 11392ece646cSMatti Vaittinen .owner = THIS_MODULE, 114021b72156SMatti Vaittinen .of_parse_cb = buck_set_hw_dvs_levels, 114121b72156SMatti Vaittinen }, 114221b72156SMatti Vaittinen .dvs = { 114321b72156SMatti Vaittinen .level_map = ROHM_DVS_LEVEL_RUN | ROHM_DVS_LEVEL_IDLE, 114421b72156SMatti Vaittinen .run_reg = BD718XX_REG_BUCK2_VOLT_RUN, 114521b72156SMatti Vaittinen .run_mask = DVS_BUCK_RUN_MASK, 114621b72156SMatti Vaittinen .idle_reg = BD718XX_REG_BUCK2_VOLT_IDLE, 114721b72156SMatti Vaittinen .idle_mask = DVS_BUCK_RUN_MASK, 11482ece646cSMatti Vaittinen }, 11492ece646cSMatti Vaittinen .init = { 11502ece646cSMatti Vaittinen .reg = BD718XX_REG_BUCK2_CTRL, 11512ece646cSMatti Vaittinen .mask = BD718XX_BUCK_SEL, 11522ece646cSMatti Vaittinen .val = BD718XX_BUCK_SEL, 11532ece646cSMatti Vaittinen }, 11542ece646cSMatti Vaittinen }, 11552ece646cSMatti Vaittinen { 11562ece646cSMatti Vaittinen .desc = { 11572ece646cSMatti Vaittinen .name = "buck3", 11582ece646cSMatti Vaittinen .of_match = of_match_ptr("BUCK3"), 11592ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 11602ece646cSMatti Vaittinen .id = BD718XX_BUCK3, 11612ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 11622ece646cSMatti Vaittinen .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM, 11632ece646cSMatti Vaittinen .linear_ranges = bd718xx_dvs_buck_volts, 11642ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts), 11652ece646cSMatti Vaittinen .vsel_reg = BD71837_REG_BUCK3_VOLT_RUN, 11662ece646cSMatti Vaittinen .vsel_mask = DVS_BUCK_RUN_MASK, 11672ece646cSMatti Vaittinen .enable_reg = BD71837_REG_BUCK3_CTRL, 11682ece646cSMatti Vaittinen .enable_mask = BD718XX_BUCK_EN, 11693b66e4a8SGuido Günther .enable_time = BD71837_BUCK3_STARTUP_TIME, 117018f3c625SMatti Vaittinen .ramp_delay_table = bd718xx_ramp_delay, 117118f3c625SMatti Vaittinen .n_ramp_values = ARRAY_SIZE(bd718xx_ramp_delay), 117218f3c625SMatti Vaittinen .ramp_reg = BD71837_REG_BUCK3_CTRL, 117318f3c625SMatti Vaittinen .ramp_mask = BUCK_RAMPRATE_MASK, 11742ece646cSMatti Vaittinen .owner = THIS_MODULE, 117521b72156SMatti Vaittinen .of_parse_cb = buck_set_hw_dvs_levels, 117621b72156SMatti Vaittinen }, 117721b72156SMatti Vaittinen .dvs = { 117821b72156SMatti Vaittinen .level_map = ROHM_DVS_LEVEL_RUN, 117921b72156SMatti Vaittinen .run_reg = BD71837_REG_BUCK3_VOLT_RUN, 118021b72156SMatti Vaittinen .run_mask = DVS_BUCK_RUN_MASK, 11812ece646cSMatti Vaittinen }, 11822ece646cSMatti Vaittinen .init = { 11832ece646cSMatti Vaittinen .reg = BD71837_REG_BUCK3_CTRL, 11842ece646cSMatti Vaittinen .mask = BD718XX_BUCK_SEL, 11852ece646cSMatti Vaittinen .val = BD718XX_BUCK_SEL, 11862ece646cSMatti Vaittinen }, 11872ece646cSMatti Vaittinen }, 11882ece646cSMatti Vaittinen { 11892ece646cSMatti Vaittinen .desc = { 11902ece646cSMatti Vaittinen .name = "buck4", 11912ece646cSMatti Vaittinen .of_match = of_match_ptr("BUCK4"), 11922ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 11932ece646cSMatti Vaittinen .id = BD718XX_BUCK4, 11942ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 11952ece646cSMatti Vaittinen .n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM, 11962ece646cSMatti Vaittinen .linear_ranges = bd718xx_dvs_buck_volts, 11972ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts), 11982ece646cSMatti Vaittinen .vsel_reg = BD71837_REG_BUCK4_VOLT_RUN, 11992ece646cSMatti Vaittinen .vsel_mask = DVS_BUCK_RUN_MASK, 12002ece646cSMatti Vaittinen .enable_reg = BD71837_REG_BUCK4_CTRL, 12012ece646cSMatti Vaittinen .enable_mask = BD718XX_BUCK_EN, 12023b66e4a8SGuido Günther .enable_time = BD71837_BUCK4_STARTUP_TIME, 120318f3c625SMatti Vaittinen .ramp_delay_table = bd718xx_ramp_delay, 120418f3c625SMatti Vaittinen .n_ramp_values = ARRAY_SIZE(bd718xx_ramp_delay), 120518f3c625SMatti Vaittinen .ramp_reg = BD71837_REG_BUCK4_CTRL, 120618f3c625SMatti Vaittinen .ramp_mask = BUCK_RAMPRATE_MASK, 12072ece646cSMatti Vaittinen .owner = THIS_MODULE, 120821b72156SMatti Vaittinen .of_parse_cb = buck_set_hw_dvs_levels, 120921b72156SMatti Vaittinen }, 121021b72156SMatti Vaittinen .dvs = { 121121b72156SMatti Vaittinen .level_map = ROHM_DVS_LEVEL_RUN, 121221b72156SMatti Vaittinen .run_reg = BD71837_REG_BUCK4_VOLT_RUN, 121321b72156SMatti Vaittinen .run_mask = DVS_BUCK_RUN_MASK, 12142ece646cSMatti Vaittinen }, 12152ece646cSMatti Vaittinen .init = { 12162ece646cSMatti Vaittinen .reg = BD71837_REG_BUCK4_CTRL, 12172ece646cSMatti Vaittinen .mask = BD718XX_BUCK_SEL, 12182ece646cSMatti Vaittinen .val = BD718XX_BUCK_SEL, 12192ece646cSMatti Vaittinen }, 12202ece646cSMatti Vaittinen }, 12212ece646cSMatti Vaittinen { 12222ece646cSMatti Vaittinen .desc = { 12232ece646cSMatti Vaittinen .name = "buck5", 12242ece646cSMatti Vaittinen .of_match = of_match_ptr("BUCK5"), 12252ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 12262ece646cSMatti Vaittinen .id = BD718XX_BUCK5, 12272ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 12282ece646cSMatti Vaittinen .n_voltages = BD71837_BUCK5_VOLTAGE_NUM, 12292ece646cSMatti Vaittinen .linear_ranges = bd71837_buck5_volts, 12302ece646cSMatti Vaittinen .n_linear_ranges = 12312ece646cSMatti Vaittinen ARRAY_SIZE(bd71837_buck5_volts), 12322ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT, 12332ece646cSMatti Vaittinen .vsel_mask = BD71837_BUCK5_MASK, 12342ece646cSMatti Vaittinen .vsel_range_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT, 12352ece646cSMatti Vaittinen .vsel_range_mask = BD71837_BUCK5_RANGE_MASK, 1236269cb04bSChen-Yu Tsai .linear_range_selectors_bitfield = bd71837_buck5_volt_range_sel, 12372ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL, 12382ece646cSMatti Vaittinen .enable_mask = BD718XX_BUCK_EN, 12393b66e4a8SGuido Günther .enable_time = BD71837_BUCK5_STARTUP_TIME, 12402ece646cSMatti Vaittinen .owner = THIS_MODULE, 12412ece646cSMatti Vaittinen }, 12422ece646cSMatti Vaittinen .init = { 12432ece646cSMatti Vaittinen .reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL, 12442ece646cSMatti Vaittinen .mask = BD718XX_BUCK_SEL, 12452ece646cSMatti Vaittinen .val = BD718XX_BUCK_SEL, 12462ece646cSMatti Vaittinen }, 12472ece646cSMatti Vaittinen }, 12482ece646cSMatti Vaittinen { 12492ece646cSMatti Vaittinen .desc = { 12502ece646cSMatti Vaittinen .name = "buck6", 12512ece646cSMatti Vaittinen .of_match = of_match_ptr("BUCK6"), 12522ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 12532ece646cSMatti Vaittinen .id = BD718XX_BUCK6, 12542ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 12552ece646cSMatti Vaittinen .n_voltages = BD71837_BUCK6_VOLTAGE_NUM, 12562ece646cSMatti Vaittinen .linear_ranges = bd71837_buck6_volts, 12572ece646cSMatti Vaittinen .n_linear_ranges = 12582ece646cSMatti Vaittinen ARRAY_SIZE(bd71837_buck6_volts), 12592ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_2ND_NODVS_BUCK_VOLT, 12602ece646cSMatti Vaittinen .vsel_mask = BD71837_BUCK6_MASK, 12612ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL, 12622ece646cSMatti Vaittinen .enable_mask = BD718XX_BUCK_EN, 12633b66e4a8SGuido Günther .enable_time = BD71837_BUCK6_STARTUP_TIME, 12642ece646cSMatti Vaittinen .owner = THIS_MODULE, 12652ece646cSMatti Vaittinen }, 12662ece646cSMatti Vaittinen .init = { 12672ece646cSMatti Vaittinen .reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL, 12682ece646cSMatti Vaittinen .mask = BD718XX_BUCK_SEL, 12692ece646cSMatti Vaittinen .val = BD718XX_BUCK_SEL, 12702ece646cSMatti Vaittinen }, 12712ece646cSMatti Vaittinen }, 12722ece646cSMatti Vaittinen { 12732ece646cSMatti Vaittinen .desc = { 12742ece646cSMatti Vaittinen .name = "buck7", 12752ece646cSMatti Vaittinen .of_match = of_match_ptr("BUCK7"), 12762ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 12772ece646cSMatti Vaittinen .id = BD718XX_BUCK7, 12782ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 12792ece646cSMatti Vaittinen .volt_table = &bd718xx_3rd_nodvs_buck_volts[0], 12802ece646cSMatti Vaittinen .n_voltages = ARRAY_SIZE(bd718xx_3rd_nodvs_buck_volts), 12812ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_3RD_NODVS_BUCK_VOLT, 12822ece646cSMatti Vaittinen .vsel_mask = BD718XX_3RD_NODVS_BUCK_MASK, 12832ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL, 12842ece646cSMatti Vaittinen .enable_mask = BD718XX_BUCK_EN, 12853b66e4a8SGuido Günther .enable_time = BD71837_BUCK7_STARTUP_TIME, 12862ece646cSMatti Vaittinen .owner = THIS_MODULE, 12872ece646cSMatti Vaittinen }, 12882ece646cSMatti Vaittinen .init = { 12892ece646cSMatti Vaittinen .reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL, 12902ece646cSMatti Vaittinen .mask = BD718XX_BUCK_SEL, 12912ece646cSMatti Vaittinen .val = BD718XX_BUCK_SEL, 12922ece646cSMatti Vaittinen }, 12932ece646cSMatti Vaittinen }, 12942ece646cSMatti Vaittinen { 12952ece646cSMatti Vaittinen .desc = { 12962ece646cSMatti Vaittinen .name = "buck8", 12972ece646cSMatti Vaittinen .of_match = of_match_ptr("BUCK8"), 12982ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 12992ece646cSMatti Vaittinen .id = BD718XX_BUCK8, 13002ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 13012ece646cSMatti Vaittinen .n_voltages = BD718XX_4TH_NODVS_BUCK_VOLTAGE_NUM, 13022ece646cSMatti Vaittinen .linear_ranges = bd718xx_4th_nodvs_buck_volts, 13032ece646cSMatti Vaittinen .n_linear_ranges = 13042ece646cSMatti Vaittinen ARRAY_SIZE(bd718xx_4th_nodvs_buck_volts), 13052ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_4TH_NODVS_BUCK_VOLT, 13062ece646cSMatti Vaittinen .vsel_mask = BD718XX_4TH_NODVS_BUCK_MASK, 13072ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL, 13082ece646cSMatti Vaittinen .enable_mask = BD718XX_BUCK_EN, 13093b66e4a8SGuido Günther .enable_time = BD71837_BUCK8_STARTUP_TIME, 13102ece646cSMatti Vaittinen .owner = THIS_MODULE, 13112ece646cSMatti Vaittinen }, 13122ece646cSMatti Vaittinen .init = { 13132ece646cSMatti Vaittinen .reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL, 13142ece646cSMatti Vaittinen .mask = BD718XX_BUCK_SEL, 13152ece646cSMatti Vaittinen .val = BD718XX_BUCK_SEL, 13162ece646cSMatti Vaittinen }, 13172ece646cSMatti Vaittinen }, 13182ece646cSMatti Vaittinen { 13192ece646cSMatti Vaittinen .desc = { 13202ece646cSMatti Vaittinen .name = "ldo1", 13212ece646cSMatti Vaittinen .of_match = of_match_ptr("LDO1"), 13222ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 13232ece646cSMatti Vaittinen .id = BD718XX_LDO1, 13242ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 13252ece646cSMatti Vaittinen .n_voltages = BD718XX_LDO1_VOLTAGE_NUM, 13262ece646cSMatti Vaittinen .linear_ranges = bd718xx_ldo1_volts, 13272ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo1_volts), 13282ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_LDO1_VOLT, 13292ece646cSMatti Vaittinen .vsel_mask = BD718XX_LDO1_MASK, 13302ece646cSMatti Vaittinen .vsel_range_reg = BD718XX_REG_LDO1_VOLT, 13312ece646cSMatti Vaittinen .vsel_range_mask = BD718XX_LDO1_RANGE_MASK, 1332269cb04bSChen-Yu Tsai .linear_range_selectors_bitfield = bd718xx_ldo1_volt_range_sel, 13332ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_LDO1_VOLT, 13342ece646cSMatti Vaittinen .enable_mask = BD718XX_LDO_EN, 13353b66e4a8SGuido Günther .enable_time = BD71837_LDO1_STARTUP_TIME, 13362ece646cSMatti Vaittinen .owner = THIS_MODULE, 13372ece646cSMatti Vaittinen }, 13382ece646cSMatti Vaittinen .init = { 13392ece646cSMatti Vaittinen .reg = BD718XX_REG_LDO1_VOLT, 13402ece646cSMatti Vaittinen .mask = BD718XX_LDO_SEL, 13412ece646cSMatti Vaittinen .val = BD718XX_LDO_SEL, 13422ece646cSMatti Vaittinen }, 13432ece646cSMatti Vaittinen }, 13442ece646cSMatti Vaittinen { 13452ece646cSMatti Vaittinen .desc = { 13462ece646cSMatti Vaittinen .name = "ldo2", 13472ece646cSMatti Vaittinen .of_match = of_match_ptr("LDO2"), 13482ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 13492ece646cSMatti Vaittinen .id = BD718XX_LDO2, 13502ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 13512ece646cSMatti Vaittinen .volt_table = &ldo_2_volts[0], 13522ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_LDO2_VOLT, 13532ece646cSMatti Vaittinen .vsel_mask = BD718XX_LDO2_MASK, 13542ece646cSMatti Vaittinen .n_voltages = ARRAY_SIZE(ldo_2_volts), 13552ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_LDO2_VOLT, 13562ece646cSMatti Vaittinen .enable_mask = BD718XX_LDO_EN, 13573b66e4a8SGuido Günther .enable_time = BD71837_LDO2_STARTUP_TIME, 13582ece646cSMatti Vaittinen .owner = THIS_MODULE, 13592ece646cSMatti Vaittinen }, 13602ece646cSMatti Vaittinen .init = { 13612ece646cSMatti Vaittinen .reg = BD718XX_REG_LDO2_VOLT, 13622ece646cSMatti Vaittinen .mask = BD718XX_LDO_SEL, 13632ece646cSMatti Vaittinen .val = BD718XX_LDO_SEL, 13642ece646cSMatti Vaittinen }, 13652ece646cSMatti Vaittinen }, 13662ece646cSMatti Vaittinen { 13672ece646cSMatti Vaittinen .desc = { 13682ece646cSMatti Vaittinen .name = "ldo3", 13692ece646cSMatti Vaittinen .of_match = of_match_ptr("LDO3"), 13702ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 13712ece646cSMatti Vaittinen .id = BD718XX_LDO3, 13722ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 13732ece646cSMatti Vaittinen .n_voltages = BD718XX_LDO3_VOLTAGE_NUM, 13742ece646cSMatti Vaittinen .linear_ranges = bd718xx_ldo3_volts, 13752ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo3_volts), 13762ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_LDO3_VOLT, 13772ece646cSMatti Vaittinen .vsel_mask = BD718XX_LDO3_MASK, 13782ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_LDO3_VOLT, 13792ece646cSMatti Vaittinen .enable_mask = BD718XX_LDO_EN, 13803b66e4a8SGuido Günther .enable_time = BD71837_LDO3_STARTUP_TIME, 13812ece646cSMatti Vaittinen .owner = THIS_MODULE, 13822ece646cSMatti Vaittinen }, 13832ece646cSMatti Vaittinen .init = { 13842ece646cSMatti Vaittinen .reg = BD718XX_REG_LDO3_VOLT, 13852ece646cSMatti Vaittinen .mask = BD718XX_LDO_SEL, 13862ece646cSMatti Vaittinen .val = BD718XX_LDO_SEL, 13872ece646cSMatti Vaittinen }, 13882ece646cSMatti Vaittinen }, 13892ece646cSMatti Vaittinen { 13902ece646cSMatti Vaittinen .desc = { 13912ece646cSMatti Vaittinen .name = "ldo4", 13922ece646cSMatti Vaittinen .of_match = of_match_ptr("LDO4"), 13932ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 13942ece646cSMatti Vaittinen .id = BD718XX_LDO4, 13952ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 13962ece646cSMatti Vaittinen .n_voltages = BD718XX_LDO4_VOLTAGE_NUM, 13972ece646cSMatti Vaittinen .linear_ranges = bd718xx_ldo4_volts, 13982ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo4_volts), 13992ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_LDO4_VOLT, 14002ece646cSMatti Vaittinen .vsel_mask = BD718XX_LDO4_MASK, 14012ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_LDO4_VOLT, 14022ece646cSMatti Vaittinen .enable_mask = BD718XX_LDO_EN, 14033b66e4a8SGuido Günther .enable_time = BD71837_LDO4_STARTUP_TIME, 14042ece646cSMatti Vaittinen .owner = THIS_MODULE, 14052ece646cSMatti Vaittinen }, 14062ece646cSMatti Vaittinen .init = { 14072ece646cSMatti Vaittinen .reg = BD718XX_REG_LDO4_VOLT, 14082ece646cSMatti Vaittinen .mask = BD718XX_LDO_SEL, 14092ece646cSMatti Vaittinen .val = BD718XX_LDO_SEL, 14102ece646cSMatti Vaittinen }, 14112ece646cSMatti Vaittinen }, 14122ece646cSMatti Vaittinen { 14132ece646cSMatti Vaittinen .desc = { 14142ece646cSMatti Vaittinen .name = "ldo5", 14152ece646cSMatti Vaittinen .of_match = of_match_ptr("LDO5"), 14162ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 14172ece646cSMatti Vaittinen .id = BD718XX_LDO5, 14182ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 14192ece646cSMatti Vaittinen .n_voltages = BD71837_LDO5_VOLTAGE_NUM, 14202ece646cSMatti Vaittinen .linear_ranges = bd71837_ldo5_volts, 14212ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd71837_ldo5_volts), 14222ece646cSMatti Vaittinen /* LDO5 is supplied by buck6 */ 14232ece646cSMatti Vaittinen .supply_name = "buck6", 14242ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_LDO5_VOLT, 14252ece646cSMatti Vaittinen .vsel_mask = BD71837_LDO5_MASK, 14262ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_LDO5_VOLT, 14272ece646cSMatti Vaittinen .enable_mask = BD718XX_LDO_EN, 14283b66e4a8SGuido Günther .enable_time = BD71837_LDO5_STARTUP_TIME, 14292ece646cSMatti Vaittinen .owner = THIS_MODULE, 14302ece646cSMatti Vaittinen }, 14312ece646cSMatti Vaittinen .init = { 14322ece646cSMatti Vaittinen .reg = BD718XX_REG_LDO5_VOLT, 14332ece646cSMatti Vaittinen .mask = BD718XX_LDO_SEL, 14342ece646cSMatti Vaittinen .val = BD718XX_LDO_SEL, 14352ece646cSMatti Vaittinen }, 14362ece646cSMatti Vaittinen .additional_inits = bd71837_ldo5_inits, 14372ece646cSMatti Vaittinen .additional_init_amnt = ARRAY_SIZE(bd71837_ldo5_inits), 14382ece646cSMatti Vaittinen }, 14392ece646cSMatti Vaittinen { 14402ece646cSMatti Vaittinen .desc = { 14412ece646cSMatti Vaittinen .name = "ldo6", 14422ece646cSMatti Vaittinen .of_match = of_match_ptr("LDO6"), 14432ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 14442ece646cSMatti Vaittinen .id = BD718XX_LDO6, 14452ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 14462ece646cSMatti Vaittinen .n_voltages = BD718XX_LDO6_VOLTAGE_NUM, 14472ece646cSMatti Vaittinen .linear_ranges = bd718xx_ldo6_volts, 14482ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd718xx_ldo6_volts), 14492ece646cSMatti Vaittinen /* LDO6 is supplied by buck7 */ 14502ece646cSMatti Vaittinen .supply_name = "buck7", 14512ece646cSMatti Vaittinen .vsel_reg = BD718XX_REG_LDO6_VOLT, 14522ece646cSMatti Vaittinen .vsel_mask = BD718XX_LDO6_MASK, 14532ece646cSMatti Vaittinen .enable_reg = BD718XX_REG_LDO6_VOLT, 14542ece646cSMatti Vaittinen .enable_mask = BD718XX_LDO_EN, 14553b66e4a8SGuido Günther .enable_time = BD71837_LDO6_STARTUP_TIME, 14562ece646cSMatti Vaittinen .owner = THIS_MODULE, 14572ece646cSMatti Vaittinen }, 14582ece646cSMatti Vaittinen .init = { 14592ece646cSMatti Vaittinen .reg = BD718XX_REG_LDO6_VOLT, 14602ece646cSMatti Vaittinen .mask = BD718XX_LDO_SEL, 14612ece646cSMatti Vaittinen .val = BD718XX_LDO_SEL, 14622ece646cSMatti Vaittinen }, 14632ece646cSMatti Vaittinen .additional_inits = bd71837_ldo6_inits, 14642ece646cSMatti Vaittinen .additional_init_amnt = ARRAY_SIZE(bd71837_ldo6_inits), 14652ece646cSMatti Vaittinen }, 14662ece646cSMatti Vaittinen { 14672ece646cSMatti Vaittinen .desc = { 14682ece646cSMatti Vaittinen .name = "ldo7", 14692ece646cSMatti Vaittinen .of_match = of_match_ptr("LDO7"), 14702ece646cSMatti Vaittinen .regulators_node = of_match_ptr("regulators"), 14712ece646cSMatti Vaittinen .id = BD718XX_LDO7, 14722ece646cSMatti Vaittinen .type = REGULATOR_VOLTAGE, 14732ece646cSMatti Vaittinen .n_voltages = BD71837_LDO7_VOLTAGE_NUM, 14742ece646cSMatti Vaittinen .linear_ranges = bd71837_ldo7_volts, 14752ece646cSMatti Vaittinen .n_linear_ranges = ARRAY_SIZE(bd71837_ldo7_volts), 14762ece646cSMatti Vaittinen .vsel_reg = BD71837_REG_LDO7_VOLT, 14772ece646cSMatti Vaittinen .vsel_mask = BD71837_LDO7_MASK, 14782ece646cSMatti Vaittinen .enable_reg = BD71837_REG_LDO7_VOLT, 14792ece646cSMatti Vaittinen .enable_mask = BD718XX_LDO_EN, 14803b66e4a8SGuido Günther .enable_time = BD71837_LDO7_STARTUP_TIME, 14812ece646cSMatti Vaittinen .owner = THIS_MODULE, 14822ece646cSMatti Vaittinen }, 14832ece646cSMatti Vaittinen .init = { 14842ece646cSMatti Vaittinen .reg = BD71837_REG_LDO7_VOLT, 14852ece646cSMatti Vaittinen .mask = BD718XX_LDO_SEL, 14862ece646cSMatti Vaittinen .val = BD718XX_LDO_SEL, 14872ece646cSMatti Vaittinen }, 14882ece646cSMatti Vaittinen }, 14892ece646cSMatti Vaittinen }; 14902ece646cSMatti Vaittinen 14911d848d68SMatti Vaittinen static void mark_hw_controlled(struct device *dev, struct device_node *np, 14921d848d68SMatti Vaittinen struct bd718xx_regulator_data *reg_data, 14931d848d68SMatti Vaittinen unsigned int num_reg_data, int *info) 14941d848d68SMatti Vaittinen { 14951d848d68SMatti Vaittinen int i; 14961d848d68SMatti Vaittinen 14971d848d68SMatti Vaittinen for (i = 1; i <= num_reg_data; i++) { 14981d848d68SMatti Vaittinen if (!of_node_name_eq(np, reg_data[i-1].desc.of_match)) 14991d848d68SMatti Vaittinen continue; 15001d848d68SMatti Vaittinen 15011d848d68SMatti Vaittinen *info |= 1 << (i - 1); 15021d848d68SMatti Vaittinen dev_dbg(dev, "regulator %d runlevel controlled\n", i); 15031d848d68SMatti Vaittinen return; 15041d848d68SMatti Vaittinen } 15051d848d68SMatti Vaittinen dev_warn(dev, "Bad regulator node\n"); 15061d848d68SMatti Vaittinen } 15071d848d68SMatti Vaittinen 1508d2ad9811SMatti Vaittinen /* 1509d2ad9811SMatti Vaittinen * Setups where regulator (especially the buck8) output voltage is scaled 1510d2ad9811SMatti Vaittinen * by adding external connection where some other regulator output is connected 1511d2ad9811SMatti Vaittinen * to feedback-pin (over suitable resistors) is getting popular amongst users 1512d2ad9811SMatti Vaittinen * of BD71837. (This allows for example scaling down the buck8 voltages to suit 1513d2ad9811SMatti Vaittinen * lover GPU voltages for projects where buck8 is (ab)used to supply power 1514d2ad9811SMatti Vaittinen * for GPU. Additionally some setups do allow DVS for buck8 but as this do 1515d2ad9811SMatti Vaittinen * produce voltage spikes the HW must be evaluated to be able to survive this 1516d2ad9811SMatti Vaittinen * - hence I keep the DVS disabled for non DVS bucks by default. I don't want 1517d2ad9811SMatti Vaittinen * to help you burn your proto board) 1518d2ad9811SMatti Vaittinen * 1519d2ad9811SMatti Vaittinen * So we allow describing this external connection from DT and scale the 1520d2ad9811SMatti Vaittinen * voltages accordingly. This is what the connection should look like: 1521d2ad9811SMatti Vaittinen * 1522d2ad9811SMatti Vaittinen * |------------| 1523d2ad9811SMatti Vaittinen * | buck 8 |-------+----->Vout 1524d2ad9811SMatti Vaittinen * | | | 1525d2ad9811SMatti Vaittinen * |------------| | 1526d2ad9811SMatti Vaittinen * | FB pin | 1527d2ad9811SMatti Vaittinen * | | 1528d2ad9811SMatti Vaittinen * +-------+--R2---+ 1529d2ad9811SMatti Vaittinen * | 1530d2ad9811SMatti Vaittinen * R1 1531d2ad9811SMatti Vaittinen * | 1532d2ad9811SMatti Vaittinen * V FB-pull-up 1533d2ad9811SMatti Vaittinen * 1534d2ad9811SMatti Vaittinen * Here the buck output is sifted according to formula: 1535d2ad9811SMatti Vaittinen * 1536d2ad9811SMatti Vaittinen * Vout_o = Vo - (Vpu - Vo)*R2/R1 1537d2ad9811SMatti Vaittinen * Linear_step = step_orig*(R1+R2)/R1 1538d2ad9811SMatti Vaittinen * 1539d2ad9811SMatti Vaittinen * where: 1540d2ad9811SMatti Vaittinen * Vout_o is adjusted voltage output at vsel reg value 0 1541d2ad9811SMatti Vaittinen * Vo is original voltage output at vsel reg value 0 1542d2ad9811SMatti Vaittinen * Vpu is the pull-up voltage V FB-pull-up in the picture 1543d2ad9811SMatti Vaittinen * R1 and R2 are resistor values. 1544d2ad9811SMatti Vaittinen * 1545d2ad9811SMatti Vaittinen * As a real world example for buck8 and a specific GPU: 1546d2ad9811SMatti Vaittinen * VLDO = 1.6V (used as FB-pull-up) 1547d2ad9811SMatti Vaittinen * R1 = 1000ohms 1548d2ad9811SMatti Vaittinen * R2 = 150ohms 1549d2ad9811SMatti Vaittinen * VSEL 0x0 => 0.8V – (VLDO – 0.8) * R2 / R1 = 0.68V 1550d2ad9811SMatti Vaittinen * Linear Step = 10mV * (R1 + R2) / R1 = 11.5mV 1551d2ad9811SMatti Vaittinen */ 1552d2ad9811SMatti Vaittinen static int setup_feedback_loop(struct device *dev, struct device_node *np, 1553d2ad9811SMatti Vaittinen struct bd718xx_regulator_data *reg_data, 1554d2ad9811SMatti Vaittinen unsigned int num_reg_data, int fb_uv) 1555d2ad9811SMatti Vaittinen { 1556d2ad9811SMatti Vaittinen int i, r1, r2, ret; 1557d2ad9811SMatti Vaittinen 1558d2ad9811SMatti Vaittinen /* 1559d2ad9811SMatti Vaittinen * We do adjust the values in the global desc based on DT settings. 1560d2ad9811SMatti Vaittinen * This may not be best approach as it can cause problems if more than 1561d2ad9811SMatti Vaittinen * one PMIC is controlled from same processor. I don't see such use-case 1562d2ad9811SMatti Vaittinen * for BD718x7 now - so we spare some bits. 1563d2ad9811SMatti Vaittinen * 1564d2ad9811SMatti Vaittinen * If this will point out to be a problem - then we can allocate new 1565d2ad9811SMatti Vaittinen * bd718xx_regulator_data array at probe and just use the global 1566d2ad9811SMatti Vaittinen * array as a template where we copy initial values. Then we can 1567d2ad9811SMatti Vaittinen * use allocated descs for regultor registration and do IC specific 1568d2ad9811SMatti Vaittinen * modifications to this copy while leaving other PMICs untouched. But 1569d2ad9811SMatti Vaittinen * that means allocating new array for each PMIC - and currently I see 1570d2ad9811SMatti Vaittinen * no need for that. 1571d2ad9811SMatti Vaittinen */ 1572d2ad9811SMatti Vaittinen 1573d2ad9811SMatti Vaittinen for (i = 0; i < num_reg_data; i++) { 1574d2ad9811SMatti Vaittinen struct regulator_desc *desc = ®_data[i].desc; 1575d2ad9811SMatti Vaittinen int j; 1576d2ad9811SMatti Vaittinen 1577d2ad9811SMatti Vaittinen if (!of_node_name_eq(np, desc->of_match)) 1578d2ad9811SMatti Vaittinen continue; 1579d2ad9811SMatti Vaittinen 1580d2ad9811SMatti Vaittinen /* The feedback loop connection does not make sense for LDOs */ 1581d2ad9811SMatti Vaittinen if (desc->id >= BD718XX_LDO1) 1582d2ad9811SMatti Vaittinen return -EINVAL; 1583d2ad9811SMatti Vaittinen 1584d2ad9811SMatti Vaittinen ret = of_property_read_u32(np, "rohm,feedback-pull-up-r1-ohms", 1585d2ad9811SMatti Vaittinen &r1); 1586d2ad9811SMatti Vaittinen if (ret) 1587d2ad9811SMatti Vaittinen return ret; 1588d2ad9811SMatti Vaittinen 1589d2ad9811SMatti Vaittinen if (!r1) 1590d2ad9811SMatti Vaittinen return -EINVAL; 1591d2ad9811SMatti Vaittinen 1592d2ad9811SMatti Vaittinen ret = of_property_read_u32(np, "rohm,feedback-pull-up-r2-ohms", 1593d2ad9811SMatti Vaittinen &r2); 1594d2ad9811SMatti Vaittinen if (ret) 1595d2ad9811SMatti Vaittinen return ret; 1596d2ad9811SMatti Vaittinen 1597d2ad9811SMatti Vaittinen if (desc->n_linear_ranges && desc->linear_ranges) { 1598d2ad9811SMatti Vaittinen struct linear_range *new; 1599d2ad9811SMatti Vaittinen 1600d2ad9811SMatti Vaittinen new = devm_kzalloc(dev, desc->n_linear_ranges * 1601d2ad9811SMatti Vaittinen sizeof(struct linear_range), 1602d2ad9811SMatti Vaittinen GFP_KERNEL); 1603d2ad9811SMatti Vaittinen if (!new) 1604d2ad9811SMatti Vaittinen return -ENOMEM; 1605d2ad9811SMatti Vaittinen 1606d2ad9811SMatti Vaittinen for (j = 0; j < desc->n_linear_ranges; j++) { 1607d2ad9811SMatti Vaittinen int min = desc->linear_ranges[j].min; 1608d2ad9811SMatti Vaittinen int step = desc->linear_ranges[j].step; 1609d2ad9811SMatti Vaittinen 1610d2ad9811SMatti Vaittinen min -= (fb_uv - min)*r2/r1; 1611d2ad9811SMatti Vaittinen step = step * (r1 + r2); 1612d2ad9811SMatti Vaittinen step /= r1; 1613d2ad9811SMatti Vaittinen 1614d2ad9811SMatti Vaittinen new[j].min = min; 1615d2ad9811SMatti Vaittinen new[j].step = step; 1616d2ad9811SMatti Vaittinen 1617d2ad9811SMatti Vaittinen dev_dbg(dev, "%s: old range min %d, step %d\n", 1618d2ad9811SMatti Vaittinen desc->name, desc->linear_ranges[j].min, 1619d2ad9811SMatti Vaittinen desc->linear_ranges[j].step); 1620d2ad9811SMatti Vaittinen dev_dbg(dev, "new range min %d, step %d\n", min, 1621d2ad9811SMatti Vaittinen step); 1622d2ad9811SMatti Vaittinen } 1623d2ad9811SMatti Vaittinen desc->linear_ranges = new; 1624d2ad9811SMatti Vaittinen } 1625d2ad9811SMatti Vaittinen dev_dbg(dev, "regulator '%s' has FB pull-up configured\n", 1626d2ad9811SMatti Vaittinen desc->name); 1627d2ad9811SMatti Vaittinen 1628d2ad9811SMatti Vaittinen return 0; 1629d2ad9811SMatti Vaittinen } 1630d2ad9811SMatti Vaittinen 1631d2ad9811SMatti Vaittinen return -ENODEV; 1632d2ad9811SMatti Vaittinen } 1633d2ad9811SMatti Vaittinen 1634d2ad9811SMatti Vaittinen static int get_special_regulators(struct device *dev, 16351d848d68SMatti Vaittinen struct bd718xx_regulator_data *reg_data, 16361d848d68SMatti Vaittinen unsigned int num_reg_data, int *info) 16371d848d68SMatti Vaittinen { 1638d2ad9811SMatti Vaittinen int ret; 1639d2ad9811SMatti Vaittinen int uv; 16401d848d68SMatti Vaittinen 16411d848d68SMatti Vaittinen *info = 0; 16421d848d68SMatti Vaittinen 1643*83c7cdeeSKrzysztof Kozlowski struct device_node *nproot __free(device_node) = of_get_child_by_name(dev->of_node, 1644*83c7cdeeSKrzysztof Kozlowski "regulators"); 16451d848d68SMatti Vaittinen if (!nproot) { 16461d848d68SMatti Vaittinen dev_err(dev, "failed to find regulators node\n"); 16471d848d68SMatti Vaittinen return -ENODEV; 16481d848d68SMatti Vaittinen } 1649*83c7cdeeSKrzysztof Kozlowski for_each_child_of_node_scoped(nproot, np) { 1650d2ad9811SMatti Vaittinen if (of_property_read_bool(np, "rohm,no-regulator-enable-control")) 16511d848d68SMatti Vaittinen mark_hw_controlled(dev, np, reg_data, num_reg_data, 16521d848d68SMatti Vaittinen info); 1653d2ad9811SMatti Vaittinen ret = of_property_read_u32(np, "rohm,fb-pull-up-microvolt", 1654d2ad9811SMatti Vaittinen &uv); 1655d2ad9811SMatti Vaittinen if (ret) { 1656d2ad9811SMatti Vaittinen if (ret == -EINVAL) 1657d2ad9811SMatti Vaittinen continue; 1658d2ad9811SMatti Vaittinen else 1659*83c7cdeeSKrzysztof Kozlowski return ret; 1660d2ad9811SMatti Vaittinen } 1661d2ad9811SMatti Vaittinen 1662d2ad9811SMatti Vaittinen ret = setup_feedback_loop(dev, np, reg_data, num_reg_data, uv); 1663d2ad9811SMatti Vaittinen if (ret) 1664*83c7cdeeSKrzysztof Kozlowski return ret; 1665d2ad9811SMatti Vaittinen } 16661d848d68SMatti Vaittinen 16671d848d68SMatti Vaittinen return 0; 16681d848d68SMatti Vaittinen } 16691d848d68SMatti Vaittinen 16702ece646cSMatti Vaittinen static int bd718xx_probe(struct platform_device *pdev) 16712ece646cSMatti Vaittinen { 1672907dfdc9SMatti Vaittinen struct regmap *regmap; 16732ece646cSMatti Vaittinen struct regulator_config config = { 0 }; 16741d848d68SMatti Vaittinen int i, j, err, omit_enable; 1675049369d4SMatti Vaittinen bool use_snvs; 16761d848d68SMatti Vaittinen struct bd718xx_regulator_data *reg_data; 1677b389ceaeSAxel Lin unsigned int num_reg_data; 16781b1c26b2SMatti Vaittinen enum rohm_chip_type chip = platform_get_device_id(pdev)->driver_data; 16791d848d68SMatti Vaittinen const struct regulator_ops **swops, **hwops; 16802ece646cSMatti Vaittinen 1681907dfdc9SMatti Vaittinen regmap = dev_get_regmap(pdev->dev.parent, NULL); 1682907dfdc9SMatti Vaittinen if (!regmap) { 16832ece646cSMatti Vaittinen dev_err(&pdev->dev, "No MFD driver data\n"); 1684907dfdc9SMatti Vaittinen return -EINVAL; 16852ece646cSMatti Vaittinen } 1686bcb047ebSAxel Lin 1687af32f3a4SLinus Torvalds switch (chip) { 1688b389ceaeSAxel Lin case ROHM_CHIP_TYPE_BD71837: 1689b389ceaeSAxel Lin reg_data = bd71837_regulators; 1690b389ceaeSAxel Lin num_reg_data = ARRAY_SIZE(bd71837_regulators); 16911d848d68SMatti Vaittinen swops = &bd71837_swcontrol_ops[0]; 16921d848d68SMatti Vaittinen hwops = &bd71837_hwcontrol_ops[0]; 1693b389ceaeSAxel Lin break; 1694b389ceaeSAxel Lin case ROHM_CHIP_TYPE_BD71847: 1695b389ceaeSAxel Lin reg_data = bd71847_regulators; 1696b389ceaeSAxel Lin num_reg_data = ARRAY_SIZE(bd71847_regulators); 16971d848d68SMatti Vaittinen swops = &bd71847_swcontrol_ops[0]; 16981d848d68SMatti Vaittinen hwops = &bd71847_hwcontrol_ops[0]; 1699b389ceaeSAxel Lin break; 1700b389ceaeSAxel Lin default: 17012ece646cSMatti Vaittinen dev_err(&pdev->dev, "Unsupported chip type\n"); 1702662a9bf8SMatti Vaittinen return -EINVAL; 17032ece646cSMatti Vaittinen } 17042ece646cSMatti Vaittinen 17052ece646cSMatti Vaittinen /* Register LOCK release */ 1706907dfdc9SMatti Vaittinen err = regmap_update_bits(regmap, BD718XX_REG_REGLOCK, 17072ece646cSMatti Vaittinen (REGLOCK_PWRSEQ | REGLOCK_VREG), 0); 1708662a9bf8SMatti Vaittinen if (err) 1709662a9bf8SMatti Vaittinen return dev_err_probe(&pdev->dev, err, "Failed to unlock PMIC\n"); 1710662a9bf8SMatti Vaittinen 1711bcb047ebSAxel Lin dev_dbg(&pdev->dev, "Unlocked lock register 0x%x\n", 17122ece646cSMatti Vaittinen BD718XX_REG_REGLOCK); 17132ece646cSMatti Vaittinen 1714049369d4SMatti Vaittinen use_snvs = of_property_read_bool(pdev->dev.parent->of_node, 1715049369d4SMatti Vaittinen "rohm,reset-snvs-powered"); 1716049369d4SMatti Vaittinen 1717049369d4SMatti Vaittinen /* 1718e770b18bSMatti Vaittinen * Change the next stage from poweroff to be READY instead of SNVS 1719e770b18bSMatti Vaittinen * for all reset types because OTP loading at READY will clear SEL 1720e770b18bSMatti Vaittinen * bit allowing HW defaults for power rails to be used 1721e770b18bSMatti Vaittinen */ 1722049369d4SMatti Vaittinen if (!use_snvs) { 1723907dfdc9SMatti Vaittinen err = regmap_update_bits(regmap, BD718XX_REG_TRANS_COND1, 1724e770b18bSMatti Vaittinen BD718XX_ON_REQ_POWEROFF_MASK | 1725e770b18bSMatti Vaittinen BD718XX_SWRESET_POWEROFF_MASK | 1726e770b18bSMatti Vaittinen BD718XX_WDOG_POWEROFF_MASK | 1727e770b18bSMatti Vaittinen BD718XX_KEY_L_POWEROFF_MASK, 1728e770b18bSMatti Vaittinen BD718XX_POWOFF_TO_RDY); 1729662a9bf8SMatti Vaittinen if (err) 1730662a9bf8SMatti Vaittinen return dev_err_probe(&pdev->dev, err, 1731662a9bf8SMatti Vaittinen "Failed to change reset target\n"); 1732662a9bf8SMatti Vaittinen 1733662a9bf8SMatti Vaittinen dev_dbg(&pdev->dev, "Changed all resets from SVNS to READY\n"); 1734e770b18bSMatti Vaittinen } 1735e770b18bSMatti Vaittinen 1736df9db254SMatti Vaittinen config.dev = pdev->dev.parent; 1737907dfdc9SMatti Vaittinen config.regmap = regmap; 17381d848d68SMatti Vaittinen /* 17391d848d68SMatti Vaittinen * There are cases when we want to leave the enable-control for 17401d848d68SMatti Vaittinen * the HW state machine and use this driver only for voltage control. 17411d848d68SMatti Vaittinen * One special case is when we use PMIC_STBY_REQ line from SoC to PMIC 17421d848d68SMatti Vaittinen * in order to set the system to SUSPEND state. 17431d848d68SMatti Vaittinen * 17441d848d68SMatti Vaittinen * If regulator is taken under SW control the regulator state will not 17451d848d68SMatti Vaittinen * be affected by PMIC state machine - Eg. regulator is likely to stay 17461d848d68SMatti Vaittinen * on even in SUSPEND 17471d848d68SMatti Vaittinen */ 1748d2ad9811SMatti Vaittinen err = get_special_regulators(pdev->dev.parent, reg_data, num_reg_data, 17491d848d68SMatti Vaittinen &omit_enable); 1750d2ad9811SMatti Vaittinen if (err) 1751d2ad9811SMatti Vaittinen return err; 1752df9db254SMatti Vaittinen 1753b389ceaeSAxel Lin for (i = 0; i < num_reg_data; i++) { 17542ece646cSMatti Vaittinen 17551d848d68SMatti Vaittinen struct regulator_desc *desc; 17562ece646cSMatti Vaittinen struct regulator_dev *rdev; 17571d848d68SMatti Vaittinen struct bd718xx_regulator_data *r; 17581d848d68SMatti Vaittinen int no_enable_control = omit_enable & (1 << i); 17592ece646cSMatti Vaittinen 1760b389ceaeSAxel Lin r = ®_data[i]; 17612ece646cSMatti Vaittinen desc = &r->desc; 17622ece646cSMatti Vaittinen 17631d848d68SMatti Vaittinen if (no_enable_control) 17641d848d68SMatti Vaittinen desc->ops = hwops[i]; 17651d848d68SMatti Vaittinen else 17661d848d68SMatti Vaittinen desc->ops = swops[i]; 17672ece646cSMatti Vaittinen 17682ece646cSMatti Vaittinen rdev = devm_regulator_register(&pdev->dev, desc, &config); 1769662a9bf8SMatti Vaittinen if (IS_ERR(rdev)) 1770662a9bf8SMatti Vaittinen return dev_err_probe(&pdev->dev, PTR_ERR(rdev), 17712ece646cSMatti Vaittinen "failed to register %s regulator\n", 17722ece646cSMatti Vaittinen desc->name); 1773049369d4SMatti Vaittinen 1774049369d4SMatti Vaittinen /* 1775049369d4SMatti Vaittinen * Regulator register gets the regulator constraints and 17762ece646cSMatti Vaittinen * applies them (set_machine_constraints). This should have 17772ece646cSMatti Vaittinen * turned the control register(s) to correct values and we 17782ece646cSMatti Vaittinen * can now switch the control from PMIC state machine to the 17792ece646cSMatti Vaittinen * register interface 1780049369d4SMatti Vaittinen * 1781049369d4SMatti Vaittinen * At poweroff transition PMIC HW disables EN bit for 1782049369d4SMatti Vaittinen * regulators but leaves SEL bit untouched. So if state 1783049369d4SMatti Vaittinen * transition from POWEROFF is done to SNVS - then all power 1784049369d4SMatti Vaittinen * rails controlled by SW (having SEL bit set) stay disabled 1785049369d4SMatti Vaittinen * as EN is cleared. This will result boot failure if any 1786049369d4SMatti Vaittinen * crucial systems are powered by these rails. We don't 1787049369d4SMatti Vaittinen * enable SW control for crucial regulators if snvs state is 1788049369d4SMatti Vaittinen * used 17892ece646cSMatti Vaittinen */ 17901d848d68SMatti Vaittinen if (!no_enable_control && (!use_snvs || 17911d848d68SMatti Vaittinen !rdev->constraints->always_on || 17921d848d68SMatti Vaittinen !rdev->constraints->boot_on)) { 1793907dfdc9SMatti Vaittinen err = regmap_update_bits(regmap, r->init.reg, 17942ece646cSMatti Vaittinen r->init.mask, r->init.val); 1795662a9bf8SMatti Vaittinen if (err) 1796662a9bf8SMatti Vaittinen return dev_err_probe(&pdev->dev, err, 1797049369d4SMatti Vaittinen "Failed to take control for (%s)\n", 17982ece646cSMatti Vaittinen desc->name); 1799049369d4SMatti Vaittinen } 18002ece646cSMatti Vaittinen for (j = 0; j < r->additional_init_amnt; j++) { 1801907dfdc9SMatti Vaittinen err = regmap_update_bits(regmap, 18022ece646cSMatti Vaittinen r->additional_inits[j].reg, 18032ece646cSMatti Vaittinen r->additional_inits[j].mask, 18042ece646cSMatti Vaittinen r->additional_inits[j].val); 1805662a9bf8SMatti Vaittinen if (err) 1806662a9bf8SMatti Vaittinen return dev_err_probe(&pdev->dev, err, 18072ece646cSMatti Vaittinen "Buck (%s) initialization failed\n", 18082ece646cSMatti Vaittinen desc->name); 18092ece646cSMatti Vaittinen } 18102ece646cSMatti Vaittinen } 18112ece646cSMatti Vaittinen 18122ece646cSMatti Vaittinen return err; 18132ece646cSMatti Vaittinen } 18142ece646cSMatti Vaittinen 18151b1c26b2SMatti Vaittinen static const struct platform_device_id bd718x7_pmic_id[] = { 18161b1c26b2SMatti Vaittinen { "bd71837-pmic", ROHM_CHIP_TYPE_BD71837 }, 18171b1c26b2SMatti Vaittinen { "bd71847-pmic", ROHM_CHIP_TYPE_BD71847 }, 18181b1c26b2SMatti Vaittinen { }, 18191b1c26b2SMatti Vaittinen }; 18201b1c26b2SMatti Vaittinen MODULE_DEVICE_TABLE(platform, bd718x7_pmic_id); 18211b1c26b2SMatti Vaittinen 18222ece646cSMatti Vaittinen static struct platform_driver bd718xx_regulator = { 18232ece646cSMatti Vaittinen .driver = { 18242ece646cSMatti Vaittinen .name = "bd718xx-pmic", 1825ed6962ccSDouglas Anderson .probe_type = PROBE_PREFER_ASYNCHRONOUS, 18262ece646cSMatti Vaittinen }, 18272ece646cSMatti Vaittinen .probe = bd718xx_probe, 18281b1c26b2SMatti Vaittinen .id_table = bd718x7_pmic_id, 18292ece646cSMatti Vaittinen }; 18302ece646cSMatti Vaittinen 18312ece646cSMatti Vaittinen module_platform_driver(bd718xx_regulator); 18322ece646cSMatti Vaittinen 18332ece646cSMatti Vaittinen MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>"); 18342ece646cSMatti Vaittinen MODULE_DESCRIPTION("BD71837/BD71847 voltage regulator driver"); 18352ece646cSMatti Vaittinen MODULE_LICENSE("GPL"); 183695bddd8bSGuido Günther MODULE_ALIAS("platform:bd718xx-pmic"); 1837