This patch add support for new multi function pmic max77693. The driver is split into three modules: pmic, muic and fuel gage.
Signed-off-by: Piotr Wilczek p.wilczek@samsung.com Signed-off-by: Kyungmin Park kyungmin.park@samsung.com CC: Lukasz Majewski l.majewski@samsung.com
--- Changes in v2: - new patch
Makefile | 1 + drivers/power/battery/Makefile | 1 + drivers/power/battery/bat_trats2.c | 81 +++++++++++++++++++++ drivers/power/mfd/Makefile | 49 +++++++++++++ drivers/power/mfd/fg_max77693.c | 141 ++++++++++++++++++++++++++++++++++++ drivers/power/mfd/muic_max77693.c | 91 +++++++++++++++++++++++ drivers/power/mfd/pmic_max77693.c | 110 ++++++++++++++++++++++++++++ include/power/max77693_fg.h | 65 +++++++++++++++++ include/power/max77693_muic.h | 90 +++++++++++++++++++++++ include/power/max77693_pmic.h | 56 ++++++++++++++ 10 files changed, 685 insertions(+) create mode 100644 drivers/power/battery/bat_trats2.c create mode 100644 drivers/power/mfd/Makefile create mode 100644 drivers/power/mfd/fg_max77693.c create mode 100644 drivers/power/mfd/muic_max77693.c create mode 100644 drivers/power/mfd/pmic_max77693.c create mode 100644 include/power/max77693_fg.h create mode 100644 include/power/max77693_muic.h create mode 100644 include/power/max77693_pmic.h
diff --git a/Makefile b/Makefile index 4ede937..1522da8 100644 --- a/Makefile +++ b/Makefile @@ -293,6 +293,7 @@ LIBS-y += drivers/pci/libpci.o LIBS-y += drivers/pcmcia/libpcmcia.o LIBS-y += drivers/power/libpower.o \ drivers/power/fuel_gauge/libfuel_gauge.o \ + drivers/power/mfd/libmfd.o \ drivers/power/pmic/libpmic.o \ drivers/power/battery/libbattery.o LIBS-y += drivers/spi/libspi.o diff --git a/drivers/power/battery/Makefile b/drivers/power/battery/Makefile index b176701..eeeaa27 100644 --- a/drivers/power/battery/Makefile +++ b/drivers/power/battery/Makefile @@ -26,6 +26,7 @@ include $(TOPDIR)/config.mk LIB := $(obj)libbattery.o
COBJS-$(CONFIG_POWER_BATTERY_TRATS) += bat_trats.o +COBJS-$(CONFIG_POWER_BATTERY_TRATS2) += bat_trats2.o
COBJS := $(COBJS-y) SRCS := $(COBJS:.o=.c) diff --git a/drivers/power/battery/bat_trats2.c b/drivers/power/battery/bat_trats2.c new file mode 100644 index 0000000..c1be64d --- /dev/null +++ b/drivers/power/battery/bat_trats2.c @@ -0,0 +1,81 @@ +/* + * Copyright (C) 2013 Samsung Electronics + * Piotr Wilczek p.wilczek@samsung.com + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <power/pmic.h> +#include <power/battery.h> +#include <power/max8997_pmic.h> +#include <errno.h> + +static struct battery battery_trats; + +static int power_battery_charge(struct pmic *bat) +{ + struct power_battery *p_bat = bat->pbat; + + if (bat->chrg->chrg_state(p_bat->chrg, CHARGER_ENABLE, 450)) + return -1; + + return 0; +} + +static int power_battery_init_trats2(struct pmic *bat_, + struct pmic *fg_, + struct pmic *chrg_, + struct pmic *muic_) +{ + bat_->pbat->fg = fg_; + bat_->pbat->chrg = chrg_; + bat_->pbat->muic = muic_; + + bat_->fg = fg_->fg; + bat_->chrg = chrg_->chrg; + bat_->chrg->chrg_type = muic_->chrg->chrg_type; + return 0; +} + +static struct power_battery power_bat_trats2 = { + .bat = &battery_trats, + .battery_init = power_battery_init_trats2, + .battery_charge = power_battery_charge, +}; + +int power_bat_init(unsigned char bus) +{ + static const char name[] = "BAT_TRATS2"; + struct pmic *p = pmic_alloc(); + + if (!p) { + printf("%s: POWER allocation error!\n", __func__); + return -ENOMEM; + } + + debug("Board BAT init\n"); + + p->interface = PMIC_NONE; + p->name = name; + p->bus = bus; + + p->pbat = &power_bat_trats2; + return 0; +} diff --git a/drivers/power/mfd/Makefile b/drivers/power/mfd/Makefile new file mode 100644 index 0000000..2ab3b00 --- /dev/null +++ b/drivers/power/mfd/Makefile @@ -0,0 +1,49 @@ +# +# Copyright (C) 2013 Samsung Electronics +# Piotr Wilczek p.wilczek@samsung.com +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB := $(obj)libmfd.o + +COBJS-$(CONFIG_POWER_PMIC_MAX77693) += pmic_max77693.o +COBJS-$(CONFIG_POWER_MUIC_MAX77693) += muic_max77693.o +COBJS-$(CONFIG_POWER_FG_MAX77693) += fg_max77693.o + +COBJS := $(COBJS-y) +SRCS := $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) + +all: $(LIB) + +$(LIB): $(obj).depend $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################## diff --git a/drivers/power/mfd/fg_max77693.c b/drivers/power/mfd/fg_max77693.c new file mode 100644 index 0000000..0182d46 --- /dev/null +++ b/drivers/power/mfd/fg_max77693.c @@ -0,0 +1,141 @@ +/* + * Copyright (C) 2013 Samsung Electronics + * Piotr Wilczek p.wilczek@samsung.com + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <power/pmic.h> +#include <power/max77693_fg.h> +#include <i2c.h> +#include <power/power_chrg.h> +#include <power/battery.h> +#include <power/fg_battery_cell_params.h> +#include <errno.h> + +static int max77693_get_vcell(u32 *vcell) +{ + u16 value; + u8 ret; + + ret = i2c_read(MAX77693_FUEL_I2C_ADDR, MAX77693_VCELL, 1, (u8 *)&value, 2); + if (ret) + return -1; + + *vcell = (u32)(value >> 3); + *vcell = *vcell * 625; + + return 0; +} + +static int max77693_get_soc(u32 *soc) +{ + u16 value; + u8 ret; + + ret = i2c_read(MAX77693_FUEL_I2C_ADDR, MAX77693_VFSOC, 1, (u8 *)&value, 2); + if (ret) + return -1; + + *soc = (u32)(value >> 8); + + return 0; +} + +static int power_update_battery(struct pmic *p, struct pmic *bat) +{ + struct power_battery *pb = bat->pbat; + int ret = 0; + + if (pmic_probe(p)) { + puts("Can't find max17042 fuel gauge\n"); + return -1; + } + + max77693_get_soc(&pb->bat->state_of_chrg); + max77693_get_vcell(&pb->bat->voltage_uV); + + return ret; +} + +static int power_check_battery(struct pmic *p, struct pmic *bat) +{ + struct power_battery *pb = bat->pbat; + unsigned int val; + int ret = 0; + + if (pmic_probe(p)) { + puts("Can't find max17042 fuel gauge\n"); + return -1; + } + + ret |= pmic_reg_read(p, MAX77693_STATUS, &val); + debug("fg status: 0x%x\n", val); + + ret |= pmic_reg_read(p, MAX77693_VERSION, &pb->bat->version); + + power_update_battery(p, bat); + debug("fg ver: 0x%x\n", pb->bat->version); + printf("BAT: state_of_charge(SOC):%d%%\n", + pb->bat->state_of_chrg); + + printf(" voltage: %d.%6.6d [V] (expected to be %d [mAh])\n", + pb->bat->voltage_uV / 1000000, + pb->bat->voltage_uV % 1000000, + pb->bat->capacity); + + if (pb->bat->voltage_uV > 3850000) + pb->bat->state = EXT_SOURCE; + else if (pb->bat->voltage_uV < 3600000 || pb->bat->state_of_chrg < 5) + pb->bat->state = CHARGE; + else + pb->bat->state = NORMAL; + + return ret; +} + +static struct power_fg power_fg_ops = { + .fg_battery_check = power_check_battery, + .fg_battery_update = power_update_battery, +}; + +int power_fg_init(unsigned char bus) +{ + static const char name[] = "MAX77693_FG"; + struct pmic *p = pmic_alloc(); + + if (!p) { + printf("%s: POWER allocation error!\n", __func__); + return -ENOMEM; + } + + debug("Board Fuel Gauge init\n"); + + p->name = name; + p->interface = PMIC_I2C; + p->number_of_regs = FG_NUM_OF_REGS; + p->hw.i2c.addr = MAX77693_FUEL_I2C_ADDR; + p->hw.i2c.tx_num = 2; + p->sensor_byte_order = PMIC_SENSOR_BYTE_ORDER_BIG; + p->bus = bus; + + p->fg = &power_fg_ops; + return 0; +} diff --git a/drivers/power/mfd/muic_max77693.c b/drivers/power/mfd/muic_max77693.c new file mode 100644 index 0000000..0dc37b4 --- /dev/null +++ b/drivers/power/mfd/muic_max77693.c @@ -0,0 +1,91 @@ +/* + * Copyright (C) 2013 Samsung Electronics + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <power/pmic.h> +#include <power/power_chrg.h> +#include <power/max77693_muic.h> +#include <i2c.h> +#include <errno.h> + +static int power_chrg_get_type(struct pmic *p) +{ + unsigned int val; + unsigned int charge_type, charger; + + /* if probe failed, return cable none */ + if (pmic_probe(p)) + return CHARGER_NO; + + pmic_reg_read(p, MAX77693_MUIC_STATUS2, &val); + + charge_type = val & MAX77693_MUIC_CHG_MASK; + + switch (charge_type) { + case MAX77693_MUIC_CHG_NO: + charger = CHARGER_NO; + break; + case MAX77693_MUIC_CHG_USB: + case MAX77693_MUIC_CHG_USB_D: + charger = CHARGER_USB; + break; + case MAX77693_MUIC_CHG_TA: + case MAX77693_MUIC_CHG_TA_1A: + charger = CHARGER_TA; + break; + case MAX77693_MUIC_CHG_TA_500: + charger = CHARGER_TA_500; + break; + default: + charger = CHARGER_UNKNOWN; + break; + } + + return charger; +} + +static struct power_chrg power_chrg_muic_ops = { + .chrg_type = power_chrg_get_type, +}; + +int power_muic_init(unsigned int bus) +{ + static const char name[] = "MAX77693_MUIC"; + struct pmic *p = pmic_alloc(); + + if (!p) { + printf("%s: POWER allocation error!\n", __func__); + return -ENOMEM; + } + + debug("Board Micro USB Interface Controller init\n"); + + p->name = name; + p->interface = PMIC_I2C; + p->number_of_regs = MUIC_NUM_OF_REGS; + p->hw.i2c.addr = MAX77693_MUIC_I2C_ADDR; + p->hw.i2c.tx_num = 1; + p->bus = bus; + + p->chrg = &power_chrg_muic_ops; + return 0; +} \ No newline at end of file diff --git a/drivers/power/mfd/pmic_max77693.c b/drivers/power/mfd/pmic_max77693.c new file mode 100644 index 0000000..037fcce --- /dev/null +++ b/drivers/power/mfd/pmic_max77693.c @@ -0,0 +1,110 @@ +/* + * Copyright (C) 2013 Samsung Electronics + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <power/pmic.h> +#include <power/max77693_pmic.h> +#include <i2c.h> +#include <errno.h> + +static int max77693_charger_state(struct pmic *p, int state, int current) +{ + unsigned int val; + + if (pmic_probe(p)) + return -1; + + /* unlock write capability */ + val = MAX77693_CHG_UNLOCK; + pmic_reg_write(p, MAX77693_CHG_CNFG_06, val); + + if (state == CHARGER_DISABLE) { + puts("Disable the charger.\n"); + pmic_reg_read(p, MAX77693_CHG_CNFG_00, &val); + val &= ~0x01; + pmic_reg_write(p, MAX77693_CHG_CNFG_00, val); + return -1; + } + + if (current < CHARGER_MIN_CURRENT || current > CHARGER_MAX_CURRENT) { + printf("%s: Wrong charge current: %d [mA]\n", + __func__, current); + return -1; + } + + /* set charging current */ + pmic_reg_read(p, MAX77693_CHG_CNFG_02, &val); + val &= ~MAX77693_CHG_CC; + val |= current * 10 / 333; /* 0.1A/3 steps */ + pmic_reg_write(p, MAX77693_CHG_CNFG_02, val); + + /* enable charging */ + val = MAX77693_CHG_MODE_ON; + pmic_reg_write(p, MAX77693_CHG_CNFG_00, val); + + /* check charging current */ + pmic_reg_read(p, MAX77693_CHG_CNFG_02, &val); + val &= 0x3f; + printf("Enable the charger @ %d [mA]\n", val * 333 / 10); + + return 0; +} + +static int max77693_charger_bat_present(struct pmic *p) +{ + unsigned int val; + + if (pmic_probe(p)) + return -1; + + pmic_reg_read(p, MAX77693_CHG_INT_OK, &val); + + return !(val & MAX77693_CHG_DETBAT); +} + +static struct power_chrg power_chrg_pmic_ops = { + .chrg_bat_present = max77693_charger_bat_present, + .chrg_state = max77693_charger_state, +}; + +int pmic_init_max77693(unsigned char bus) +{ + static const char name[] = "MAX77693_PMIC"; + struct pmic *p = pmic_alloc(); + + if (!p) { + printf("%s: POWER allocation error!\n", __func__); + return -ENOMEM; + } + + debug("Board PMIC init\n"); + + p->name = name; + p->interface = PMIC_I2C; + p->number_of_regs = PMIC_NUM_OF_REGS; + p->hw.i2c.addr = MAX77693_PMIC_I2C_ADDR; + p->hw.i2c.tx_num = 1; + p->bus = bus; + + p->chrg = &power_chrg_pmic_ops; + return 0; +} diff --git a/include/power/max77693_fg.h b/include/power/max77693_fg.h new file mode 100644 index 0000000..d129187 --- /dev/null +++ b/include/power/max77693_fg.h @@ -0,0 +1,65 @@ +/* + * Copyright (C) 2013 Samsung Electronics + * Piotr Wilczek p.wilczek@samsung.com + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __MAX77693_FG_H_ +#define __MAX77693_FG_H_ + +/* MAX 77693 registers */ +enum { + MAX77693_STATUS = 0x00, + MAX77693_SOCREP = 0x06, + MAX77693_VCELL = 0x09, + MAX77693_CURRENT = 0x0A, + MAX77693_AVG_CURRENT = 0x0B, + MAX77693_SOCMIX = 0x0D, + MAX77693_SOCAV = 0x0E, + MAX77693_DESIGN_CAP = 0x18, + MAX77693_AVG_VCELL = 0x19, + MAX77693_CONFIG = 0x1D, + MAX77693_VERSION = 0x21, + MAX77693_LEARNCFG = 0x28, + MAX77693_FILTERCFG = 0x29, + MAX77693_RELAXCFG = 0x2A, + MAX77693_MISCCFG = 0x2B, + MAX77693_CGAIN = 0x2E, + MAX77693_COFF = 0x2F, + MAX77693_RCOMP0 = 0x38, + MAX77693_TEMPCO = 0x39, + MAX77693_FSTAT = 0x3D, + MAX77693_VFOCV = 0xEE, + MAX77693_VFSOC = 0xFF, + + FG_NUM_OF_REGS = 0x100, +}; + +#define MAX77693_POR (1 << 1) + +#define MODEL_UNLOCK1 0x0059 +#define MODEL_UNLOCK2 0x00c4 +#define MODEL_LOCK1 0x0000 +#define MODEL_LOCK2 0x0000 + +#define MAX77693_FUEL_I2C_ADDR (0x6C >> 1) + +int power_fg_init(unsigned char bus); +#endif /* __MAX77693_FG_H_ */ diff --git a/include/power/max77693_muic.h b/include/power/max77693_muic.h new file mode 100644 index 0000000..076fdc0 --- /dev/null +++ b/include/power/max77693_muic.h @@ -0,0 +1,90 @@ +/* + * Copyright (C) 2013 Samsung Electronics + * Piotr Wilczek p.wilczek@samsung.com + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __MAX77693_MUIC_H_ +#define __MAX77693_MUIC_H_ + +#include <power/power_chrg.h> + +/* + * MUIC REGISTER + */ + +#define MAX77693_MUIC_PREFIX "max77693-muic:" + +/* MAX77693_MUIC_STATUS1 */ +#define MAX77693_MUIC_ADC_MASK 0x1F + +/* MAX77693_MUIC_STATUS2 */ +#define MAX77693_MUIC_CHG_NO 0x00 +#define MAX77693_MUIC_CHG_USB 0x01 +#define MAX77693_MUIC_CHG_USB_D 0x02 +#define MAX77693_MUIC_CHG_TA 0x03 +#define MAX77693_MUIC_CHG_TA_500 0x04 +#define MAX77693_MUIC_CHG_TA_1A 0x05 +#define MAX77693_MUIC_CHG_MASK 0x07 + +/* MAX77693_MUIC_CONTROL1 */ +#define MAX77693_MUIC_CTRL1_DN1DP2 ((0x1 << 3) | 0x1) +#define MAX77693_MUIC_CTRL1_UT1UR2 ((0x3 << 3) | 0x3) +#define MAX77693_MUIC_CTRL1_ADN1ADP2 ((0x4 << 3) | 0x4) +#define MAX77693_MUIC_CTRL1_AUT1AUR2 ((0x5 << 3) | 0x5) +#define MAX77693_MUIC_CTRL1_MASK 0xC0 + +#define MUIC_PATH_USB 0 +#define MUIC_PATH_UART 1 + +#define MUIC_PATH_CP 0 +#define MUIC_PATH_AP 1 + +enum muic_path { + MUIC_PATH_USB_CP, + MUIC_PATH_USB_AP, + MUIC_PATH_UART_CP, + MUIC_PATH_UART_AP, +}; + +/* MAX 777693 MUIC registers */ +enum { + MAX77693_MUIC_ID = 0x00, + MAX77693_MUIC_INT1 = 0x01, + MAX77693_MUIC_INT2 = 0x02, + MAX77693_MUIC_INT3 = 0x03, + MAX77693_MUIC_STATUS1 = 0x04, + MAX77693_MUIC_STATUS2 = 0x05, + MAX77693_MUIC_STATUS3 = 0x06, + MAX77693_MUIC_INTMASK1 = 0x07, + MAX77693_MUIC_INTMASK2 = 0x08, + MAX77693_MUIC_INTMASK3 = 0x09, + MAX77693_MUIC_CDETCTRL = 0x0A, + MAX77693_MUIC_CONTROL1 = 0x0C, + MAX77693_MUIC_CONTROL2 = 0x0D, + MAX77693_MUIC_CONTROL3 = 0x0E, + + MUIC_NUM_OF_REGS = 0x0F, +}; + +#define MAX77693_MUIC_I2C_ADDR (0x4A >> 1) + +int power_muic_init(unsigned int bus); +#endif /* __MAX77693_MUIC_H_ */ diff --git a/include/power/max77693_pmic.h b/include/power/max77693_pmic.h new file mode 100644 index 0000000..07c3dd6 --- /dev/null +++ b/include/power/max77693_pmic.h @@ -0,0 +1,56 @@ +/* + * Copyright (C) 2013 Samsung Electronics + * Piotr Wilczek p.wilczek@samsung.com + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __MAX77693_PMIC_H_ +#define __MAX77693_PMIC_H_ + +#include <power/power_chrg.h> + +enum {CHARGER_ENABLE, CHARGER_DISABLE}; + +#define CHARGER_MIN_CURRENT 200 +#define CHARGER_MAX_CURRENT 2000 + +#define MAX77693_CHG_PREFIX "max77693-chg:" + +/* Registers */ + +#define MAX77693_CHG_BASE 0xB0 +#define MAX77693_CHG_INT_OK 0xB2 +#define MAX77693_CHG_CNFG_00 0xB7 +#define MAX77693_CHG_CNFG_02 0xB9 +#define MAX77693_CHG_CNFG_06 0xBD +#define MAX77693_SAFEOUT 0xC6 + +#define PMIC_NUM_OF_REGS 0xC7 + +#define MAX77693_CHG_DETBAT (0x1 << 7) /* MAX77693_CHG_INT_OK */ +#define MAX77693_CHG_MODE_ON 0x05 /* MAX77693_CHG_CNFG_00 */ +#define MAX77693_CHG_CC 0x3F /* MAX77693_CHG_CNFG_02 */ +#define MAX77693_CHG_LOCK (0x0 << 2) /* MAX77693_CHG_CNFG_06 */ +#define MAX77693_CHG_UNLOCK (0x3 << 2) /* MAX77693_CHG_CNFG_06 */ + +#define MAX77693_PMIC_I2C_ADDR (0xCC >> 1) + +int pmic_init_max77693(unsigned char bus); +#endif /* __MAX77693_PMIC_H_ */