drivers:power:max77693: add support for new multi function pmic max77693
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@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>utp
Piotr Wilczek
Minkyu Kang
parent
12eba1b493
commit
0475044712
1
Makefile
1
Makefile
|
|
@ -284,6 +284,7 @@ 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
|
||||
|
|
|
|||
|
|
@ -0,0 +1,33 @@
|
|||
#
|
||||
# Copyright (C) 2013 Samsung Electronics
|
||||
# Piotr Wilczek <p.wilczek@samsung.com>
|
||||
#
|
||||
# SPDX-License-Identifier: GPL-2.0+
|
||||
#
|
||||
|
||||
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
|
||||
|
||||
########################################################################
|
||||
|
|
@ -0,0 +1,139 @@
|
|||
/*
|
||||
* Copyright (C) 2013 Samsung Electronics
|
||||
* Piotr Wilczek <p.wilczek@samsung.com>
|
||||
*
|
||||
* SPDX-License-Identifier: GPL-2.0+
|
||||
*/
|
||||
|
||||
#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 ret;
|
||||
|
||||
*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 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;
|
||||
|
||||
if (pmic_probe(p)) {
|
||||
puts("Can't find max77693 fuel gauge\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
ret = max77693_get_soc(&pb->bat->state_of_chrg);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
max77693_get_vcell(&pb->bat->voltage_uV);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
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 max77693 fuel gauge\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
ret = pmic_reg_read(p, MAX77693_STATUS, &val);
|
||||
if (ret)
|
||||
return ret;
|
||||
debug("fg status: 0x%x\n", val);
|
||||
|
||||
ret = pmic_reg_read(p, MAX77693_VERSION, &pb->bat->version);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
ret = power_update_battery(p, bat);
|
||||
if (ret)
|
||||
return ret;
|
||||
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 0;
|
||||
}
|
||||
|
||||
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;
|
||||
}
|
||||
|
|
@ -0,0 +1,77 @@
|
|||
/*
|
||||
* Copyright (C) 2013 Samsung Electronics
|
||||
* Piotr Wilczek <p.wilczek@samsung.com>
|
||||
*
|
||||
* SPDX-License-Identifier: GPL-2.0+
|
||||
*/
|
||||
|
||||
#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;
|
||||
}
|
||||
|
|
@ -0,0 +1,96 @@
|
|||
/*
|
||||
* Copyright (C) 2013 Samsung Electronics
|
||||
* Piotr Wilczek <p.wilczek@samsung.com>
|
||||
*
|
||||
* SPDX-License-Identifier: GPL-2.0+
|
||||
*/
|
||||
|
||||
#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;
|
||||
}
|
||||
|
|
@ -0,0 +1,49 @@
|
|||
/*
|
||||
* Copyright (C) 2013 Samsung Electronics
|
||||
* Piotr Wilczek <p.wilczek@samsung.com>
|
||||
*
|
||||
* SPDX-License-Identifier: GPL-2.0+
|
||||
*/
|
||||
|
||||
#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_ */
|
||||
|
|
@ -0,0 +1,74 @@
|
|||
/*
|
||||
* Copyright (C) 2013 Samsung Electronics
|
||||
* Piotr Wilczek <p.wilczek@samsung.com>
|
||||
*
|
||||
* SPDX-License-Identifier: GPL-2.0+
|
||||
*/
|
||||
|
||||
#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_ */
|
||||
|
|
@ -0,0 +1,43 @@
|
|||
/*
|
||||
* Copyright (C) 2013 Samsung Electronics
|
||||
* Piotr Wilczek <p.wilczek@samsung.com>
|
||||
*
|
||||
* SPDX-License-Identifier: GPL-2.0+
|
||||
*/
|
||||
|
||||
#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_ENSAFEOUT1 (1 << 6)
|
||||
#define MAX77693_ENSAFEOUT2 (1 << 7)
|
||||
|
||||
#define MAX77693_PMIC_I2C_ADDR (0xCC >> 1)
|
||||
|
||||
int pmic_init_max77693(unsigned char bus);
|
||||
#endif /* __MAX77693_PMIC_H_ */
|
||||
Loading…
Reference in New Issue