/*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 2018-2021 Emmanuel Vadot * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static struct ofw_compat_data compat_data[] = { {"rockchip,rk808", RK808}, {NULL, 0} }; static struct rk8xx_regdef rk808_regdefs[] = { { .id = RK808_BUCK1, .name = "DCDC_REG1", .enable_reg = RK808_DCDC_EN, .enable_mask = 0x1, .voltage_reg = RK808_BUCK1_ON_VSEL, .voltage_mask = 0x3F, .voltage_min = 712500, .voltage_max = 1500000, .voltage_step = 12500, .voltage_nstep = 64, }, { .id = RK808_BUCK2, .name = "DCDC_REG2", .enable_reg = RK808_DCDC_EN, .enable_mask = 0x2, .voltage_reg = RK808_BUCK2_ON_VSEL, .voltage_mask = 0x3F, .voltage_min = 712500, .voltage_max = 1500000, .voltage_step = 12500, .voltage_nstep = 64, }, { /* BUCK3 voltage is calculated based on external resistor */ .id = RK808_BUCK3, .name = "DCDC_REG3", .enable_reg = RK808_DCDC_EN, .enable_mask = 0x4, }, { .id = RK808_BUCK4, .name = "DCDC_REG4", .enable_reg = RK808_DCDC_EN, .enable_mask = 0x8, .voltage_reg = RK808_BUCK4_ON_VSEL, .voltage_mask = 0xF, .voltage_min = 1800000, .voltage_max = 3300000, .voltage_step = 100000, .voltage_nstep = 16, }, { .id = RK808_LDO1, .name = "LDO_REG1", .enable_reg = RK808_LDO_EN, .enable_mask = 0x1, .voltage_reg = RK808_LDO1_ON_VSEL, .voltage_mask = 0x1F, .voltage_min = 1800000, .voltage_max = 3400000, .voltage_step = 100000, .voltage_nstep = 17, }, { .id = RK808_LDO2, .name = "LDO_REG2", .enable_reg = RK808_LDO_EN, .enable_mask = 0x2, .voltage_reg = RK808_LDO2_ON_VSEL, .voltage_mask = 0x1F, .voltage_min = 1800000, .voltage_max = 3400000, .voltage_step = 100000, .voltage_nstep = 17, }, { .id = RK808_LDO3, .name = "LDO_REG3", .enable_reg = RK808_LDO_EN, .enable_mask = 0x4, .voltage_reg = RK808_LDO3_ON_VSEL, .voltage_mask = 0xF, .voltage_min = 800000, .voltage_max = 2500000, .voltage_step = 100000, .voltage_nstep = 18, }, { .id = RK808_LDO4, .name = "LDO_REG4", .enable_reg = RK808_LDO_EN, .enable_mask = 0x8, .voltage_reg = RK808_LDO4_ON_VSEL, .voltage_mask = 0x1F, .voltage_min = 1800000, .voltage_max = 3400000, .voltage_step = 100000, .voltage_nstep = 17, }, { .id = RK808_LDO5, .name = "LDO_REG5", .enable_reg = RK808_LDO_EN, .enable_mask = 0x10, .voltage_reg = RK808_LDO5_ON_VSEL, .voltage_mask = 0x1F, .voltage_min = 1800000, .voltage_max = 3400000, .voltage_step = 100000, .voltage_nstep = 17, }, { .id = RK808_LDO6, .name = "LDO_REG6", .enable_reg = RK808_LDO_EN, .enable_mask = 0x20, .voltage_reg = RK808_LDO6_ON_VSEL, .voltage_mask = 0x1F, .voltage_min = 800000, .voltage_max = 2500000, .voltage_step = 100000, .voltage_nstep = 18, }, { .id = RK808_LDO7, .name = "LDO_REG7", .enable_reg = RK808_LDO_EN, .enable_mask = 0x40, .voltage_reg = RK808_LDO7_ON_VSEL, .voltage_mask = 0x1F, .voltage_min = 800000, .voltage_max = 2500000, .voltage_step = 100000, .voltage_nstep = 18, }, { .id = RK808_LDO8, .name = "LDO_REG8", .enable_reg = RK808_LDO_EN, .enable_mask = 0x80, .voltage_reg = RK808_LDO8_ON_VSEL, .voltage_mask = 0x1F, .voltage_min = 1800000, .voltage_max = 3400000, .voltage_step = 100000, .voltage_nstep = 17, }, { .id = RK808_SWITCH1, .name = "SWITCH_REG1", .enable_reg = RK808_DCDC_EN, .enable_mask = 0x20, .voltage_min = 3000000, .voltage_max = 3000000, }, { .id = RK808_SWITCH2, .name = "SWITCH_REG2", .enable_reg = RK808_DCDC_EN, .enable_mask = 0x40, .voltage_min = 3000000, .voltage_max = 3000000, }, }; static int rk808_probe(device_t dev) { if (!ofw_bus_status_okay(dev)) return (ENXIO); if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0) return (ENXIO); device_set_desc(dev, "RockChip RK808 PMIC"); return (BUS_PROBE_DEFAULT); } static int rk808_attach(device_t dev) { struct rk8xx_softc *sc; sc = device_get_softc(dev); sc->dev = dev; sc->type = ofw_bus_search_compatible(dev, compat_data)->ocd_data; sc->regdefs = rk808_regdefs; sc->nregs = nitems(rk808_regdefs); sc->rtc_regs.secs = RK808_RTC_SECS; sc->rtc_regs.secs_mask = RK808_RTC_SECS_MASK; sc->rtc_regs.minutes = RK808_RTC_MINUTES; sc->rtc_regs.minutes_mask = RK808_RTC_MINUTES_MASK; sc->rtc_regs.hours = RK808_RTC_HOURS; sc->rtc_regs.hours_mask = RK808_RTC_HOURS_MASK; sc->rtc_regs.days = RK808_RTC_DAYS; sc->rtc_regs.days_mask = RK808_RTC_DAYS_MASK; sc->rtc_regs.months = RK808_RTC_MONTHS; sc->rtc_regs.months_mask = RK808_RTC_MONTHS_MASK; sc->rtc_regs.years = RK808_RTC_YEARS; sc->rtc_regs.weeks = RK808_RTC_WEEKS_MASK; sc->rtc_regs.ctrl = RK808_RTC_CTRL; sc->rtc_regs.ctrl_stop_mask = RK808_RTC_CTRL_STOP; sc->rtc_regs.ctrl_ampm_mask = RK808_RTC_AMPM_MODE; sc->rtc_regs.ctrl_gettime_mask = RK808_RTC_GET_TIME; sc->rtc_regs.ctrl_readsel_mask = RK808_RTC_READSEL; sc->dev_ctrl.dev_ctrl_reg = RK808_DEV_CTRL; sc->dev_ctrl.pwr_off_mask = RK808_DEV_CTRL_OFF; return (rk8xx_attach(sc)); } static device_method_t rk808_methods[] = { DEVMETHOD(device_probe, rk808_probe), DEVMETHOD(device_attach, rk808_attach), DEVMETHOD_END }; DEFINE_CLASS_1(rk808_pmu, rk808_driver, rk808_methods, sizeof(struct rk8xx_softc), rk8xx_driver); EARLY_DRIVER_MODULE(rk808_pmu, iicbus, rk808_driver, 0, 0, BUS_PASS_INTERRUPT + BUS_PASS_ORDER_LATE); EARLY_DRIVER_MODULE(iicbus, rk808_pmu, iicbus_driver, 0, 0, BUS_PASS_INTERRUPT + BUS_PASS_ORDER_LATE); MODULE_DEPEND(rk808_pmu, iicbus, IICBUS_MINVER, IICBUS_PREFVER, IICBUS_MAXVER); MODULE_VERSION(rk808_pmu, 1);