1/*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2018-2021 Emmanuel Vadot <manu@FreeBSD.org> 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28#include <sys/param.h> 29#include <sys/bus.h> 30#include <sys/clock.h> 31#include <sys/kernel.h> 32#include <sys/module.h> 33#include <sys/mutex.h> 34#include <sys/rman.h> 35#include <machine/bus.h> 36 37#include <dev/iicbus/iiconf.h> 38#include <dev/iicbus/iicbus.h> 39 40#include <dev/ofw/ofw_bus.h> 41#include <dev/ofw/ofw_bus_subr.h> 42 43#include <dev/iicbus/pmic/rockchip/rk808reg.h> 44#include <dev/iicbus/pmic/rockchip/rk8xx.h> 45 46static struct ofw_compat_data compat_data[] = { 47 {"rockchip,rk808", RK808}, 48 {NULL, 0} 49}; 50 51static struct rk8xx_regdef rk808_regdefs[] = { 52 { 53 .id = RK808_BUCK1, 54 .name = "DCDC_REG1", 55 .enable_reg = RK808_DCDC_EN, 56 .enable_mask = 0x1, 57 .voltage_reg = RK808_BUCK1_ON_VSEL, 58 .voltage_mask = 0x3F, 59 .voltage_min = 712500, 60 .voltage_max = 1500000, 61 .voltage_step = 12500, 62 .voltage_nstep = 64, 63 }, 64 { 65 .id = RK808_BUCK2, 66 .name = "DCDC_REG2", 67 .enable_reg = RK808_DCDC_EN, 68 .enable_mask = 0x2, 69 .voltage_reg = RK808_BUCK2_ON_VSEL, 70 .voltage_mask = 0x3F, 71 .voltage_min = 712500, 72 .voltage_max = 1500000, 73 .voltage_step = 12500, 74 .voltage_nstep = 64, 75 }, 76 { 77 /* BUCK3 voltage is calculated based on external resistor */ 78 .id = RK808_BUCK3, 79 .name = "DCDC_REG3", 80 .enable_reg = RK808_DCDC_EN, 81 .enable_mask = 0x4, 82 }, 83 { 84 .id = RK808_BUCK4, 85 .name = "DCDC_REG4", 86 .enable_reg = RK808_DCDC_EN, 87 .enable_mask = 0x8, 88 .voltage_reg = RK808_BUCK4_ON_VSEL, 89 .voltage_mask = 0xF, 90 .voltage_min = 1800000, 91 .voltage_max = 3300000, 92 .voltage_step = 100000, 93 .voltage_nstep = 16, 94 }, 95 { 96 .id = RK808_LDO1, 97 .name = "LDO_REG1", 98 .enable_reg = RK808_LDO_EN, 99 .enable_mask = 0x1, 100 .voltage_reg = RK808_LDO1_ON_VSEL, 101 .voltage_mask = 0x1F, 102 .voltage_min = 1800000, 103 .voltage_max = 3400000, 104 .voltage_step = 100000, 105 .voltage_nstep = 17, 106 }, 107 { 108 .id = RK808_LDO2, 109 .name = "LDO_REG2", 110 .enable_reg = RK808_LDO_EN, 111 .enable_mask = 0x2, 112 .voltage_reg = RK808_LDO2_ON_VSEL, 113 .voltage_mask = 0x1F, 114 .voltage_min = 1800000, 115 .voltage_max = 3400000, 116 .voltage_step = 100000, 117 .voltage_nstep = 17, 118 }, 119 { 120 .id = RK808_LDO3, 121 .name = "LDO_REG3", 122 .enable_reg = RK808_LDO_EN, 123 .enable_mask = 0x4, 124 .voltage_reg = RK808_LDO3_ON_VSEL, 125 .voltage_mask = 0xF, 126 .voltage_min = 800000, 127 .voltage_max = 2500000, 128 .voltage_step = 100000, 129 .voltage_nstep = 18, 130 }, 131 { 132 .id = RK808_LDO4, 133 .name = "LDO_REG4", 134 .enable_reg = RK808_LDO_EN, 135 .enable_mask = 0x8, 136 .voltage_reg = RK808_LDO4_ON_VSEL, 137 .voltage_mask = 0x1F, 138 .voltage_min = 1800000, 139 .voltage_max = 3400000, 140 .voltage_step = 100000, 141 .voltage_nstep = 17, 142 }, 143 { 144 .id = RK808_LDO5, 145 .name = "LDO_REG5", 146 .enable_reg = RK808_LDO_EN, 147 .enable_mask = 0x10, 148 .voltage_reg = RK808_LDO5_ON_VSEL, 149 .voltage_mask = 0x1F, 150 .voltage_min = 1800000, 151 .voltage_max = 3400000, 152 .voltage_step = 100000, 153 .voltage_nstep = 17, 154 }, 155 { 156 .id = RK808_LDO6, 157 .name = "LDO_REG6", 158 .enable_reg = RK808_LDO_EN, 159 .enable_mask = 0x20, 160 .voltage_reg = RK808_LDO6_ON_VSEL, 161 .voltage_mask = 0x1F, 162 .voltage_min = 800000, 163 .voltage_max = 2500000, 164 .voltage_step = 100000, 165 .voltage_nstep = 18, 166 }, 167 { 168 .id = RK808_LDO7, 169 .name = "LDO_REG7", 170 .enable_reg = RK808_LDO_EN, 171 .enable_mask = 0x40, 172 .voltage_reg = RK808_LDO7_ON_VSEL, 173 .voltage_mask = 0x1F, 174 .voltage_min = 800000, 175 .voltage_max = 2500000, 176 .voltage_step = 100000, 177 .voltage_nstep = 18, 178 }, 179 { 180 .id = RK808_LDO8, 181 .name = "LDO_REG8", 182 .enable_reg = RK808_LDO_EN, 183 .enable_mask = 0x80, 184 .voltage_reg = RK808_LDO8_ON_VSEL, 185 .voltage_mask = 0x1F, 186 .voltage_min = 1800000, 187 .voltage_max = 3400000, 188 .voltage_step = 100000, 189 .voltage_nstep = 17, 190 }, 191 { 192 .id = RK808_SWITCH1, 193 .name = "SWITCH_REG1", 194 .enable_reg = RK808_DCDC_EN, 195 .enable_mask = 0x20, 196 .voltage_min = 3000000, 197 .voltage_max = 3000000, 198 }, 199 { 200 .id = RK808_SWITCH2, 201 .name = "SWITCH_REG2", 202 .enable_reg = RK808_DCDC_EN, 203 .enable_mask = 0x40, 204 .voltage_min = 3000000, 205 .voltage_max = 3000000, 206 }, 207}; 208 209static int 210rk808_probe(device_t dev) 211{ 212 if (!ofw_bus_status_okay(dev)) 213 return (ENXIO); 214 215 if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0) 216 return (ENXIO); 217 218 device_set_desc(dev, "RockChip RK808 PMIC"); 219 return (BUS_PROBE_DEFAULT); 220} 221 222static int 223rk808_attach(device_t dev) 224{ 225 struct rk8xx_softc *sc; 226 227 sc = device_get_softc(dev); 228 sc->dev = dev; 229 230 sc->type = ofw_bus_search_compatible(dev, compat_data)->ocd_data; 231 232 sc->regdefs = rk808_regdefs; 233 sc->nregs = nitems(rk808_regdefs); 234 sc->rtc_regs.secs = RK808_RTC_SECS; 235 sc->rtc_regs.secs_mask = RK808_RTC_SECS_MASK; 236 sc->rtc_regs.minutes = RK808_RTC_MINUTES; 237 sc->rtc_regs.minutes_mask = RK808_RTC_MINUTES_MASK; 238 sc->rtc_regs.hours = RK808_RTC_HOURS; 239 sc->rtc_regs.hours_mask = RK808_RTC_HOURS_MASK; 240 sc->rtc_regs.days = RK808_RTC_DAYS; 241 sc->rtc_regs.days_mask = RK808_RTC_DAYS_MASK; 242 sc->rtc_regs.months = RK808_RTC_MONTHS; 243 sc->rtc_regs.months_mask = RK808_RTC_MONTHS_MASK; 244 sc->rtc_regs.years = RK808_RTC_YEARS; 245 sc->rtc_regs.weeks = RK808_RTC_WEEKS_MASK; 246 sc->rtc_regs.ctrl = RK808_RTC_CTRL; 247 sc->rtc_regs.ctrl_stop_mask = RK808_RTC_CTRL_STOP; 248 sc->rtc_regs.ctrl_ampm_mask = RK808_RTC_AMPM_MODE; 249 sc->rtc_regs.ctrl_gettime_mask = RK808_RTC_GET_TIME; 250 sc->rtc_regs.ctrl_readsel_mask = RK808_RTC_READSEL; 251 sc->dev_ctrl.dev_ctrl_reg = RK808_DEV_CTRL; 252 sc->dev_ctrl.pwr_off_mask = RK808_DEV_CTRL_OFF; 253 254 return (rk8xx_attach(sc)); 255} 256 257static device_method_t rk808_methods[] = { 258 DEVMETHOD(device_probe, rk808_probe), 259 DEVMETHOD(device_attach, rk808_attach), 260 261 DEVMETHOD_END 262}; 263 264DEFINE_CLASS_1(rk808_pmu, rk808_driver, rk808_methods, 265 sizeof(struct rk8xx_softc), rk8xx_driver); 266 267EARLY_DRIVER_MODULE(rk808_pmu, iicbus, rk808_driver, 0, 0, 268 BUS_PASS_INTERRUPT + BUS_PASS_ORDER_LATE); 269EARLY_DRIVER_MODULE(iicbus, rk808_pmu, iicbus_driver, 0, 0, 270 BUS_PASS_INTERRUPT + BUS_PASS_ORDER_LATE); 271MODULE_DEPEND(rk808_pmu, iicbus, IICBUS_MINVER, IICBUS_PREFVER, IICBUS_MAXVER); 272MODULE_VERSION(rk808_pmu, 1); 273