[U-Boot] [PATCH] drivers:power:max77693: add support for new multi function pmic max77693
Minkyu Kang
mk7.kang at samsung.com
Tue Sep 24 04:43:37 CEST 2013
Dear Piotr Wilczek,
On 21/05/13 22:00, Piotr Wilczek wrote:
> This patch add support for new multi function pmic max77693.
> The driver is split into three modules: pmic, muic and fuelgage.
>
> Signed-off-by: Piotr Wilczek <p.wilczek at samsung.com>
> Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
> CC: Minkyu Kang <mk7.kang at samsung.com>
> ---
> Makefile | 1 +
> drivers/power/mfd/Makefile | 49 +++++++++++++
> drivers/power/mfd/fg_max77693.c | 143 +++++++++++++++++++++++++++++++++++++
> 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 +++++++++++++++
> 8 files changed, 605 insertions(+)
> 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 c52f0f1..ea2cc11 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -298,6 +298,7 @@ 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/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 at 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..0004cf8
> --- /dev/null
> +++ b/drivers/power/mfd/fg_max77693.c
> @@ -0,0 +1,143 @@
> +/*
> + * Copyright (C) 2013 Samsung Electronics
> + * Piotr Wilczek <p.wilczek at 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;
return ret; ?
> +
> + *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");
Is it max17042?
> + return -1;
> + }
> +
> + max77693_get_soc(&pb->bat->state_of_chrg);
> + max77693_get_vcell(&pb->bat->voltage_uV);
> +
> + return ret;
ret is never used.
> +}
> +
> +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..eaa9120
> --- /dev/null
> +++ b/drivers/power/mfd/muic_max77693.c
> @@ -0,0 +1,91 @@
> +/*
> + * Copyright (C) 2013 Samsung Electronics
please add author.
> + *
> + * 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;
> +}
> 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
please add author.
> + *
> + * 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 at 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 at 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 at 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_ */
>
Thanks,
Minkyu Kang.
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