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mfd: Support for ROHM BD71815 PMIC core

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Add core support for ROHM BD71815 Power Management IC.

The IC integrates regulators, a battery charger with a coulomb counter,
a real-time clock (RTC), clock gate and general-purpose outputs (GPO).

Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Matti Vaittinen 2021-04-05 14:42:51 +03:00 committed by Lee Jones
parent 06b2f5f5ec
commit 4dcdcfd5ab
4 changed files with 935 additions and 135 deletions
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15
drivers/mfd/Kconfig
View File

@ -1975,19 +1975,20 @@ config MFD_ROHM_BD70528
charger.
config MFD_ROHM_BD71828
tristate "ROHM BD71828 Power Management IC"
tristate "ROHM BD71828 and BD71815 Power Management IC"
depends on I2C=y
depends on OF
select REGMAP_I2C
select REGMAP_IRQ
select MFD_CORE
help
Select this option to get support for the ROHM BD71828 Power
Management IC. BD71828GW is a single-chip power management IC for
battery-powered portable devices. The IC integrates 7 buck
converters, 7 LDOs, and a 1500 mA single-cell linear charger.
Also included is a Coulomb counter, a real-time clock (RTC), and
a 32.768 kHz clock gate.
Select this option to get support for the ROHM BD71828 and BD71815
Power Management ICs. BD71828GW and BD71815AGW are single-chip power
management ICs mainly for battery-powered portable devices.
The BD71828 integrates 7 buck converters and 7 LDOs. The BD71815
has 5 bucks, 7 LDOs, and a boost for driving LEDs. Both ICs provide
also a single-cell linear charger, a Coulomb counter, a real-time
clock (RTC), GPIOs and a 32.768 kHz clock gate.
config MFD_STM32_LPTIMER
tristate "Support for STM32 Low-Power Timer"

482
drivers/mfd/rohm-bd71828.c
View File

@ -2,7 +2,7 @@
//
// Copyright (C) 2019 ROHM Semiconductors
//
// ROHM BD71828 PMIC driver
// ROHM BD71828/BD71815 PMIC driver
#include <linux/gpio_keys.h>
#include <linux/i2c.h>
@ -11,7 +11,9 @@
#include <linux/ioport.h>
#include <linux/irq.h>
#include <linux/mfd/core.h>
#include <linux/mfd/rohm-bd71815.h>
#include <linux/mfd/rohm-bd71828.h>
#include <linux/mfd/rohm-generic.h>
#include <linux/module.h>
#include <linux/of_device.h>
#include <linux/regmap.h>
@ -29,12 +31,84 @@ static struct gpio_keys_platform_data bd71828_powerkey_data = {
.name = "bd71828-pwrkey",
};
static const struct resource rtc_irqs[] = {
static const struct resource bd71815_rtc_irqs[] = {
DEFINE_RES_IRQ_NAMED(BD71815_INT_RTC0, "bd71815-rtc-alm-0"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_RTC1, "bd71815-rtc-alm-1"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_RTC2, "bd71815-rtc-alm-2"),
};
static const struct resource bd71828_rtc_irqs[] = {
DEFINE_RES_IRQ_NAMED(BD71828_INT_RTC0, "bd71828-rtc-alm-0"),
DEFINE_RES_IRQ_NAMED(BD71828_INT_RTC1, "bd71828-rtc-alm-1"),
DEFINE_RES_IRQ_NAMED(BD71828_INT_RTC2, "bd71828-rtc-alm-2"),
};
static struct resource bd71815_power_irqs[] = {
DEFINE_RES_IRQ_NAMED(BD71815_INT_DCIN_RMV, "bd71815-dcin-rmv"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_CLPS_OUT, "bd71815-clps-out"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_CLPS_IN, "bd71815-clps-in"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_DCIN_OVP_RES, "bd71815-dcin-ovp-res"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_DCIN_OVP_DET, "bd71815-dcin-ovp-det"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_DCIN_MON_RES, "bd71815-dcin-mon-res"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_DCIN_MON_DET, "bd71815-dcin-mon-det"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_VSYS_UV_RES, "bd71815-vsys-uv-res"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_VSYS_UV_DET, "bd71815-vsys-uv-det"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_VSYS_LOW_RES, "bd71815-vsys-low-res"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_VSYS_LOW_DET, "bd71815-vsys-low-det"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_VSYS_MON_RES, "bd71815-vsys-mon-res"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_VSYS_MON_RES, "bd71815-vsys-mon-det"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_CHG_WDG_TEMP, "bd71815-chg-wdg-temp"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_CHG_WDG_TIME, "bd71815-chg-wdg"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_CHG_RECHARGE_RES, "bd71815-rechg-res"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_CHG_RECHARGE_DET, "bd71815-rechg-det"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_CHG_RANGED_TEMP_TRANSITION, "bd71815-ranged-temp-transit"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_CHG_STATE_TRANSITION, "bd71815-chg-state-change"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_BAT_TEMP_NORMAL, "bd71815-bat-temp-normal"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_BAT_TEMP_ERANGE, "bd71815-bat-temp-erange"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_BAT_REMOVED, "bd71815-bat-rmv"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_BAT_DETECTED, "bd71815-bat-det"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_THERM_REMOVED, "bd71815-therm-rmv"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_THERM_DETECTED, "bd71815-therm-det"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_BAT_DEAD, "bd71815-bat-dead"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_BAT_SHORTC_RES, "bd71815-bat-short-res"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_BAT_SHORTC_DET, "bd71815-bat-short-det"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_BAT_LOW_VOLT_RES, "bd71815-bat-low-res"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_BAT_LOW_VOLT_DET, "bd71815-bat-low-det"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_BAT_OVER_VOLT_RES, "bd71815-bat-over-res"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_BAT_OVER_VOLT_DET, "bd71815-bat-over-det"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_BAT_MON_RES, "bd71815-bat-mon-res"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_BAT_MON_DET, "bd71815-bat-mon-det"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_BAT_CC_MON1, "bd71815-bat-cc-mon1"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_BAT_CC_MON2, "bd71815-bat-cc-mon2"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_BAT_CC_MON3, "bd71815-bat-cc-mon3"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_BAT_OVER_CURR_1_RES, "bd71815-bat-oc1-res"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_BAT_OVER_CURR_1_DET, "bd71815-bat-oc1-det"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_BAT_OVER_CURR_2_RES, "bd71815-bat-oc2-res"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_BAT_OVER_CURR_2_DET, "bd71815-bat-oc2-det"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_BAT_OVER_CURR_3_RES, "bd71815-bat-oc3-res"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_BAT_OVER_CURR_3_DET, "bd71815-bat-oc3-det"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_TEMP_BAT_LOW_RES, "bd71815-bat-low-res"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_TEMP_BAT_LOW_DET, "bd71815-bat-low-det"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_TEMP_BAT_HI_RES, "bd71815-bat-hi-res"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_TEMP_BAT_HI_DET, "bd71815-bat-hi-det"),
};
static struct mfd_cell bd71815_mfd_cells[] = {
{ .name = "bd71815-pmic", },
{ .name = "bd71815-clk", },
{ .name = "bd71815-gpo", },
{
.name = "bd71815-power",
.num_resources = ARRAY_SIZE(bd71815_power_irqs),
.resources = &bd71815_power_irqs[0],
},
{
.name = "bd71815-rtc",
.num_resources = ARRAY_SIZE(bd71815_rtc_irqs),
.resources = &bd71815_rtc_irqs[0],
},
};
static struct mfd_cell bd71828_mfd_cells[] = {
{ .name = "bd71828-pmic", },
{ .name = "bd71828-gpio", },
@ -47,8 +121,8 @@ static struct mfd_cell bd71828_mfd_cells[] = {
{ .name = "bd71827-power", },
{
.name = "bd71828-rtc",
.resources = rtc_irqs,
.num_resources = ARRAY_SIZE(rtc_irqs),
.resources = bd71828_rtc_irqs,
.num_resources = ARRAY_SIZE(bd71828_rtc_irqs),
}, {
.name = "gpio-keys",
.platform_data = &bd71828_powerkey_data,
@ -56,7 +130,35 @@ static struct mfd_cell bd71828_mfd_cells[] = {
},
};
static const struct regmap_range volatile_ranges[] = {
static const struct regmap_range bd71815_volatile_ranges[] = {
{
.range_min = BD71815_REG_SEC,
.range_max = BD71815_REG_YEAR,
}, {
.range_min = BD71815_REG_CONF,
.range_max = BD71815_REG_BAT_TEMP,
}, {
.range_min = BD71815_REG_VM_IBAT_U,
.range_max = BD71815_REG_CC_CTRL,
}, {
.range_min = BD71815_REG_CC_STAT,
.range_max = BD71815_REG_CC_CURCD_L,
}, {
.range_min = BD71815_REG_VM_BTMP_MON,
.range_max = BD71815_REG_VM_BTMP_MON,
}, {
.range_min = BD71815_REG_INT_STAT,
.range_max = BD71815_REG_INT_UPDATE,
}, {
.range_min = BD71815_REG_VM_VSYS_U,
.range_max = BD71815_REG_REX_CTRL_1,
}, {
.range_min = BD71815_REG_FULL_CCNTD_3,
.range_max = BD71815_REG_CCNTD_CHG_2,
},
};
static const struct regmap_range bd71828_volatile_ranges[] = {
{
.range_min = BD71828_REG_PS_CTRL_1,
.range_max = BD71828_REG_PS_CTRL_1,
@ -80,15 +182,28 @@ static const struct regmap_range volatile_ranges[] = {
},
};
static const struct regmap_access_table volatile_regs = {
.yes_ranges = &volatile_ranges[0],
.n_yes_ranges = ARRAY_SIZE(volatile_ranges),
static const struct regmap_access_table bd71815_volatile_regs = {
.yes_ranges = &bd71815_volatile_ranges[0],
.n_yes_ranges = ARRAY_SIZE(bd71815_volatile_ranges),
};
static struct regmap_config bd71828_regmap = {
static const struct regmap_access_table bd71828_volatile_regs = {
.yes_ranges = &bd71828_volatile_ranges[0],
.n_yes_ranges = ARRAY_SIZE(bd71828_volatile_ranges),
};
static const struct regmap_config bd71815_regmap = {
.reg_bits = 8,
.val_bits = 8,
.volatile_table = &volatile_regs,
.volatile_table = &bd71815_volatile_regs,
.max_register = BD71815_MAX_REGISTER - 1,
.cache_type = REGCACHE_RBTREE,
};
static const struct regmap_config bd71828_regmap = {
.reg_bits = 8,
.val_bits = 8,
.volatile_table = &bd71828_volatile_regs,
.max_register = BD71828_MAX_REGISTER,
.cache_type = REGCACHE_RBTREE,
};
@ -96,7 +211,7 @@ static struct regmap_config bd71828_regmap = {
/*
* Mapping of main IRQ register bits to sub-IRQ register offsets so that we can
* access corect sub-IRQ registers based on bits that are set in main IRQ
* register.
* register. BD71815 and BD71828 have same sub-register-block offests.
*/
static unsigned int bit0_offsets[] = {11}; /* RTC IRQ */
@ -108,7 +223,7 @@ static unsigned int bit5_offsets[] = {3}; /* VSYS IRQ */
static unsigned int bit6_offsets[] = {1, 2}; /* DCIN IRQ */
static unsigned int bit7_offsets[] = {0}; /* BUCK IRQ */
static struct regmap_irq_sub_irq_map bd71828_sub_irq_offsets[] = {
static struct regmap_irq_sub_irq_map bd718xx_sub_irq_offsets[] = {
REGMAP_IRQ_MAIN_REG_OFFSET(bit0_offsets),
REGMAP_IRQ_MAIN_REG_OFFSET(bit1_offsets),
REGMAP_IRQ_MAIN_REG_OFFSET(bit2_offsets),
@ -119,6 +234,88 @@ static struct regmap_irq_sub_irq_map bd71828_sub_irq_offsets[] = {
REGMAP_IRQ_MAIN_REG_OFFSET(bit7_offsets),
};
static const struct regmap_irq bd71815_irqs[] = {
REGMAP_IRQ_REG(BD71815_INT_BUCK1_OCP, 0, BD71815_INT_BUCK1_OCP_MASK),
REGMAP_IRQ_REG(BD71815_INT_BUCK2_OCP, 0, BD71815_INT_BUCK2_OCP_MASK),
REGMAP_IRQ_REG(BD71815_INT_BUCK3_OCP, 0, BD71815_INT_BUCK3_OCP_MASK),
REGMAP_IRQ_REG(BD71815_INT_BUCK4_OCP, 0, BD71815_INT_BUCK4_OCP_MASK),
REGMAP_IRQ_REG(BD71815_INT_BUCK5_OCP, 0, BD71815_INT_BUCK5_OCP_MASK),
REGMAP_IRQ_REG(BD71815_INT_LED_OVP, 0, BD71815_INT_LED_OVP_MASK),
REGMAP_IRQ_REG(BD71815_INT_LED_OCP, 0, BD71815_INT_LED_OCP_MASK),
REGMAP_IRQ_REG(BD71815_INT_LED_SCP, 0, BD71815_INT_LED_SCP_MASK),
/* DCIN1 interrupts */
REGMAP_IRQ_REG(BD71815_INT_DCIN_RMV, 1, BD71815_INT_DCIN_RMV_MASK),
REGMAP_IRQ_REG(BD71815_INT_CLPS_OUT, 1, BD71815_INT_CLPS_OUT_MASK),
REGMAP_IRQ_REG(BD71815_INT_CLPS_IN, 1, BD71815_INT_CLPS_IN_MASK),
REGMAP_IRQ_REG(BD71815_INT_DCIN_OVP_RES, 1, BD71815_INT_DCIN_OVP_RES_MASK),
REGMAP_IRQ_REG(BD71815_INT_DCIN_OVP_DET, 1, BD71815_INT_DCIN_OVP_DET_MASK),
/* DCIN2 interrupts */
REGMAP_IRQ_REG(BD71815_INT_DCIN_MON_RES, 2, BD71815_INT_DCIN_MON_RES_MASK),
REGMAP_IRQ_REG(BD71815_INT_DCIN_MON_DET, 2, BD71815_INT_DCIN_MON_DET_MASK),
REGMAP_IRQ_REG(BD71815_INT_WDOG, 2, BD71815_INT_WDOG_MASK),
/* Vsys */
REGMAP_IRQ_REG(BD71815_INT_VSYS_UV_RES, 3, BD71815_INT_VSYS_UV_RES_MASK),
REGMAP_IRQ_REG(BD71815_INT_VSYS_UV_DET, 3, BD71815_INT_VSYS_UV_DET_MASK),
REGMAP_IRQ_REG(BD71815_INT_VSYS_LOW_RES, 3, BD71815_INT_VSYS_LOW_RES_MASK),
REGMAP_IRQ_REG(BD71815_INT_VSYS_LOW_DET, 3, BD71815_INT_VSYS_LOW_DET_MASK),
REGMAP_IRQ_REG(BD71815_INT_VSYS_MON_RES, 3, BD71815_INT_VSYS_MON_RES_MASK),
REGMAP_IRQ_REG(BD71815_INT_VSYS_MON_DET, 3, BD71815_INT_VSYS_MON_DET_MASK),
/* Charger */
REGMAP_IRQ_REG(BD71815_INT_CHG_WDG_TEMP, 4, BD71815_INT_CHG_WDG_TEMP_MASK),
REGMAP_IRQ_REG(BD71815_INT_CHG_WDG_TIME, 4, BD71815_INT_CHG_WDG_TIME_MASK),
REGMAP_IRQ_REG(BD71815_INT_CHG_RECHARGE_RES, 4, BD71815_INT_CHG_RECHARGE_RES_MASK),
REGMAP_IRQ_REG(BD71815_INT_CHG_RECHARGE_DET, 4, BD71815_INT_CHG_RECHARGE_DET_MASK),
REGMAP_IRQ_REG(BD71815_INT_CHG_RANGED_TEMP_TRANSITION, 4,
BD71815_INT_CHG_RANGED_TEMP_TRANSITION_MASK),
REGMAP_IRQ_REG(BD71815_INT_CHG_STATE_TRANSITION, 4, BD71815_INT_CHG_STATE_TRANSITION_MASK),
/* Battery */
REGMAP_IRQ_REG(BD71815_INT_BAT_TEMP_NORMAL, 5, BD71815_INT_BAT_TEMP_NORMAL_MASK),
REGMAP_IRQ_REG(BD71815_INT_BAT_TEMP_ERANGE, 5, BD71815_INT_BAT_TEMP_ERANGE_MASK),
REGMAP_IRQ_REG(BD71815_INT_BAT_REMOVED, 5, BD71815_INT_BAT_REMOVED_MASK),
REGMAP_IRQ_REG(BD71815_INT_BAT_DETECTED, 5, BD71815_INT_BAT_DETECTED_MASK),
REGMAP_IRQ_REG(BD71815_INT_THERM_REMOVED, 5, BD71815_INT_THERM_REMOVED_MASK),
REGMAP_IRQ_REG(BD71815_INT_THERM_DETECTED, 5, BD71815_INT_THERM_DETECTED_MASK),
/* Battery Mon 1 */
REGMAP_IRQ_REG(BD71815_INT_BAT_DEAD, 6, BD71815_INT_BAT_DEAD_MASK),
REGMAP_IRQ_REG(BD71815_INT_BAT_SHORTC_RES, 6, BD71815_INT_BAT_SHORTC_RES_MASK),
REGMAP_IRQ_REG(BD71815_INT_BAT_SHORTC_DET, 6, BD71815_INT_BAT_SHORTC_DET_MASK),
REGMAP_IRQ_REG(BD71815_INT_BAT_LOW_VOLT_RES, 6, BD71815_INT_BAT_LOW_VOLT_RES_MASK),
REGMAP_IRQ_REG(BD71815_INT_BAT_LOW_VOLT_DET, 6, BD71815_INT_BAT_LOW_VOLT_DET_MASK),
REGMAP_IRQ_REG(BD71815_INT_BAT_OVER_VOLT_RES, 6, BD71815_INT_BAT_OVER_VOLT_RES_MASK),
REGMAP_IRQ_REG(BD71815_INT_BAT_OVER_VOLT_DET, 6, BD71815_INT_BAT_OVER_VOLT_DET_MASK),
/* Battery Mon 2 */
REGMAP_IRQ_REG(BD71815_INT_BAT_MON_RES, 7, BD71815_INT_BAT_MON_RES_MASK),
REGMAP_IRQ_REG(BD71815_INT_BAT_MON_DET, 7, BD71815_INT_BAT_MON_DET_MASK),
/* Battery Mon 3 (Coulomb counter) */
REGMAP_IRQ_REG(BD71815_INT_BAT_CC_MON1, 8, BD71815_INT_BAT_CC_MON1_MASK),
REGMAP_IRQ_REG(BD71815_INT_BAT_CC_MON2, 8, BD71815_INT_BAT_CC_MON2_MASK),
REGMAP_IRQ_REG(BD71815_INT_BAT_CC_MON3, 8, BD71815_INT_BAT_CC_MON3_MASK),
/* Battery Mon 4 */
REGMAP_IRQ_REG(BD71815_INT_BAT_OVER_CURR_1_RES, 9, BD71815_INT_BAT_OVER_CURR_1_RES_MASK),
REGMAP_IRQ_REG(BD71815_INT_BAT_OVER_CURR_1_DET, 9, BD71815_INT_BAT_OVER_CURR_1_DET_MASK),
REGMAP_IRQ_REG(BD71815_INT_BAT_OVER_CURR_2_RES, 9, BD71815_INT_BAT_OVER_CURR_2_RES_MASK),
REGMAP_IRQ_REG(BD71815_INT_BAT_OVER_CURR_2_DET, 9, BD71815_INT_BAT_OVER_CURR_2_DET_MASK),
REGMAP_IRQ_REG(BD71815_INT_BAT_OVER_CURR_3_RES, 9, BD71815_INT_BAT_OVER_CURR_3_RES_MASK),
REGMAP_IRQ_REG(BD71815_INT_BAT_OVER_CURR_3_DET, 9, BD71815_INT_BAT_OVER_CURR_3_DET_MASK),
/* Temperature */
REGMAP_IRQ_REG(BD71815_INT_TEMP_BAT_LOW_RES, 10, BD71815_INT_TEMP_BAT_LOW_RES_MASK),
REGMAP_IRQ_REG(BD71815_INT_TEMP_BAT_LOW_DET, 10, BD71815_INT_TEMP_BAT_LOW_DET_MASK),
REGMAP_IRQ_REG(BD71815_INT_TEMP_BAT_HI_RES, 10, BD71815_INT_TEMP_BAT_HI_RES_MASK),
REGMAP_IRQ_REG(BD71815_INT_TEMP_BAT_HI_DET, 10, BD71815_INT_TEMP_BAT_HI_DET_MASK),
REGMAP_IRQ_REG(BD71815_INT_TEMP_CHIP_OVER_125_RES, 10,
BD71815_INT_TEMP_CHIP_OVER_125_RES_MASK),
REGMAP_IRQ_REG(BD71815_INT_TEMP_CHIP_OVER_125_DET, 10,
BD71815_INT_TEMP_CHIP_OVER_125_DET_MASK),
REGMAP_IRQ_REG(BD71815_INT_TEMP_CHIP_OVER_VF_RES, 10,
BD71815_INT_TEMP_CHIP_OVER_VF_RES_MASK),
REGMAP_IRQ_REG(BD71815_INT_TEMP_CHIP_OVER_VF_DET, 10,
BD71815_INT_TEMP_CHIP_OVER_VF_DET_MASK),
/* RTC Alarm */
REGMAP_IRQ_REG(BD71815_INT_RTC0, 11, BD71815_INT_RTC0_MASK),
REGMAP_IRQ_REG(BD71815_INT_RTC1, 11, BD71815_INT_RTC1_MASK),
REGMAP_IRQ_REG(BD71815_INT_RTC2, 11, BD71815_INT_RTC2_MASK),
};
static struct regmap_irq bd71828_irqs[] = {
REGMAP_IRQ_REG(BD71828_INT_BUCK1_OCP, 0, BD71828_INT_BUCK1_OCP_MASK),
REGMAP_IRQ_REG(BD71828_INT_BUCK2_OCP, 0, BD71828_INT_BUCK2_OCP_MASK),
@ -134,10 +331,8 @@ static struct regmap_irq bd71828_irqs[] = {
REGMAP_IRQ_REG(BD71828_INT_CLPS_OUT, 1, BD71828_INT_CLPS_OUT_MASK),
REGMAP_IRQ_REG(BD71828_INT_CLPS_IN, 1, BD71828_INT_CLPS_IN_MASK),
/* DCIN2 interrupts */
REGMAP_IRQ_REG(BD71828_INT_DCIN_MON_RES, 2,
BD71828_INT_DCIN_MON_RES_MASK),
REGMAP_IRQ_REG(BD71828_INT_DCIN_MON_DET, 2,
BD71828_INT_DCIN_MON_DET_MASK),
REGMAP_IRQ_REG(BD71828_INT_DCIN_MON_RES, 2, BD71828_INT_DCIN_MON_RES_MASK),
REGMAP_IRQ_REG(BD71828_INT_DCIN_MON_DET, 2, BD71828_INT_DCIN_MON_DET_MASK),
REGMAP_IRQ_REG(BD71828_INT_LONGPUSH, 2, BD71828_INT_LONGPUSH_MASK),
REGMAP_IRQ_REG(BD71828_INT_MIDPUSH, 2, BD71828_INT_MIDPUSH_MASK),
REGMAP_IRQ_REG(BD71828_INT_SHORTPUSH, 2, BD71828_INT_SHORTPUSH_MASK),
@ -145,102 +340,59 @@ static struct regmap_irq bd71828_irqs[] = {
REGMAP_IRQ_REG(BD71828_INT_WDOG, 2, BD71828_INT_WDOG_MASK),
REGMAP_IRQ_REG(BD71828_INT_SWRESET, 2, BD71828_INT_SWRESET_MASK),
/* Vsys */
REGMAP_IRQ_REG(BD71828_INT_VSYS_UV_RES, 3,
BD71828_INT_VSYS_UV_RES_MASK),
REGMAP_IRQ_REG(BD71828_INT_VSYS_UV_DET, 3,
BD71828_INT_VSYS_UV_DET_MASK),
REGMAP_IRQ_REG(BD71828_INT_VSYS_LOW_RES, 3,
BD71828_INT_VSYS_LOW_RES_MASK),
REGMAP_IRQ_REG(BD71828_INT_VSYS_LOW_DET, 3,
BD71828_INT_VSYS_LOW_DET_MASK),
REGMAP_IRQ_REG(BD71828_INT_VSYS_HALL_IN, 3,
BD71828_INT_VSYS_HALL_IN_MASK),
REGMAP_IRQ_REG(BD71828_INT_VSYS_HALL_TOGGLE, 3,
BD71828_INT_VSYS_HALL_TOGGLE_MASK),
REGMAP_IRQ_REG(BD71828_INT_VSYS_MON_RES, 3,
BD71828_INT_VSYS_MON_RES_MASK),
REGMAP_IRQ_REG(BD71828_INT_VSYS_MON_DET, 3,
BD71828_INT_VSYS_MON_DET_MASK),
REGMAP_IRQ_REG(BD71828_INT_VSYS_UV_RES, 3, BD71828_INT_VSYS_UV_RES_MASK),
REGMAP_IRQ_REG(BD71828_INT_VSYS_UV_DET, 3, BD71828_INT_VSYS_UV_DET_MASK),
REGMAP_IRQ_REG(BD71828_INT_VSYS_LOW_RES, 3, BD71828_INT_VSYS_LOW_RES_MASK),
REGMAP_IRQ_REG(BD71828_INT_VSYS_LOW_DET, 3, BD71828_INT_VSYS_LOW_DET_MASK),
REGMAP_IRQ_REG(BD71828_INT_VSYS_HALL_IN, 3, BD71828_INT_VSYS_HALL_IN_MASK),
REGMAP_IRQ_REG(BD71828_INT_VSYS_HALL_TOGGLE, 3, BD71828_INT_VSYS_HALL_TOGGLE_MASK),
REGMAP_IRQ_REG(BD71828_INT_VSYS_MON_RES, 3, BD71828_INT_VSYS_MON_RES_MASK),
REGMAP_IRQ_REG(BD71828_INT_VSYS_MON_DET, 3, BD71828_INT_VSYS_MON_DET_MASK),
/* Charger */
REGMAP_IRQ_REG(BD71828_INT_CHG_DCIN_ILIM, 4,
BD71828_INT_CHG_DCIN_ILIM_MASK),
REGMAP_IRQ_REG(BD71828_INT_CHG_TOPOFF_TO_DONE, 4,
BD71828_INT_CHG_TOPOFF_TO_DONE_MASK),
REGMAP_IRQ_REG(BD71828_INT_CHG_WDG_TEMP, 4,
BD71828_INT_CHG_WDG_TEMP_MASK),
REGMAP_IRQ_REG(BD71828_INT_CHG_WDG_TIME, 4,
BD71828_INT_CHG_WDG_TIME_MASK),
REGMAP_IRQ_REG(BD71828_INT_CHG_RECHARGE_RES, 4,
BD71828_INT_CHG_RECHARGE_RES_MASK),
REGMAP_IRQ_REG(BD71828_INT_CHG_RECHARGE_DET, 4,
BD71828_INT_CHG_RECHARGE_DET_MASK),
REGMAP_IRQ_REG(BD71828_INT_CHG_DCIN_ILIM, 4, BD71828_INT_CHG_DCIN_ILIM_MASK),
REGMAP_IRQ_REG(BD71828_INT_CHG_TOPOFF_TO_DONE, 4, BD71828_INT_CHG_TOPOFF_TO_DONE_MASK),
REGMAP_IRQ_REG(BD71828_INT_CHG_WDG_TEMP, 4, BD71828_INT_CHG_WDG_TEMP_MASK),
REGMAP_IRQ_REG(BD71828_INT_CHG_WDG_TIME, 4, BD71828_INT_CHG_WDG_TIME_MASK),
REGMAP_IRQ_REG(BD71828_INT_CHG_RECHARGE_RES, 4, BD71828_INT_CHG_RECHARGE_RES_MASK),
REGMAP_IRQ_REG(BD71828_INT_CHG_RECHARGE_DET, 4, BD71828_INT_CHG_RECHARGE_DET_MASK),
REGMAP_IRQ_REG(BD71828_INT_CHG_RANGED_TEMP_TRANSITION, 4,
BD71828_INT_CHG_RANGED_TEMP_TRANSITION_MASK),
REGMAP_IRQ_REG(BD71828_INT_CHG_STATE_TRANSITION, 4,
BD71828_INT_CHG_STATE_TRANSITION_MASK),
REGMAP_IRQ_REG(BD71828_INT_CHG_STATE_TRANSITION, 4, BD71828_INT_CHG_STATE_TRANSITION_MASK),
/* Battery */
REGMAP_IRQ_REG(BD71828_INT_BAT_TEMP_NORMAL, 5,
BD71828_INT_BAT_TEMP_NORMAL_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_TEMP_ERANGE, 5,
BD71828_INT_BAT_TEMP_ERANGE_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_TEMP_WARN, 5,
BD71828_INT_BAT_TEMP_WARN_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_REMOVED, 5,
BD71828_INT_BAT_REMOVED_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_DETECTED, 5,
BD71828_INT_BAT_DETECTED_MASK),
REGMAP_IRQ_REG(BD71828_INT_THERM_REMOVED, 5,
BD71828_INT_THERM_REMOVED_MASK),
REGMAP_IRQ_REG(BD71828_INT_THERM_DETECTED, 5,
BD71828_INT_THERM_DETECTED_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_TEMP_NORMAL, 5, BD71828_INT_BAT_TEMP_NORMAL_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_TEMP_ERANGE, 5, BD71828_INT_BAT_TEMP_ERANGE_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_TEMP_WARN, 5, BD71828_INT_BAT_TEMP_WARN_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_REMOVED, 5, BD71828_INT_BAT_REMOVED_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_DETECTED, 5, BD71828_INT_BAT_DETECTED_MASK),
REGMAP_IRQ_REG(BD71828_INT_THERM_REMOVED, 5, BD71828_INT_THERM_REMOVED_MASK),
REGMAP_IRQ_REG(BD71828_INT_THERM_DETECTED, 5, BD71828_INT_THERM_DETECTED_MASK),
/* Battery Mon 1 */
REGMAP_IRQ_REG(BD71828_INT_BAT_DEAD, 6, BD71828_INT_BAT_DEAD_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_SHORTC_RES, 6,
BD71828_INT_BAT_SHORTC_RES_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_SHORTC_DET, 6,
BD71828_INT_BAT_SHORTC_DET_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_LOW_VOLT_RES, 6,
BD71828_INT_BAT_LOW_VOLT_RES_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_LOW_VOLT_DET, 6,
BD71828_INT_BAT_LOW_VOLT_DET_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_OVER_VOLT_RES, 6,
BD71828_INT_BAT_OVER_VOLT_RES_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_OVER_VOLT_DET, 6,
BD71828_INT_BAT_OVER_VOLT_DET_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_SHORTC_RES, 6, BD71828_INT_BAT_SHORTC_RES_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_SHORTC_DET, 6, BD71828_INT_BAT_SHORTC_DET_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_LOW_VOLT_RES, 6, BD71828_INT_BAT_LOW_VOLT_RES_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_LOW_VOLT_DET, 6, BD71828_INT_BAT_LOW_VOLT_DET_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_OVER_VOLT_RES, 6, BD71828_INT_BAT_OVER_VOLT_RES_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_OVER_VOLT_DET, 6, BD71828_INT_BAT_OVER_VOLT_DET_MASK),
/* Battery Mon 2 */
REGMAP_IRQ_REG(BD71828_INT_BAT_MON_RES, 7,
BD71828_INT_BAT_MON_RES_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_MON_DET, 7,
BD71828_INT_BAT_MON_DET_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_MON_RES, 7, BD71828_INT_BAT_MON_RES_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_MON_DET, 7, BD71828_INT_BAT_MON_DET_MASK),
/* Battery Mon 3 (Coulomb counter) */
REGMAP_IRQ_REG(BD71828_INT_BAT_CC_MON1, 8,
BD71828_INT_BAT_CC_MON1_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_CC_MON2, 8,
BD71828_INT_BAT_CC_MON2_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_CC_MON3, 8,
BD71828_INT_BAT_CC_MON3_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_CC_MON1, 8, BD71828_INT_BAT_CC_MON1_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_CC_MON2, 8, BD71828_INT_BAT_CC_MON2_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_CC_MON3, 8, BD71828_INT_BAT_CC_MON3_MASK),
/* Battery Mon 4 */
REGMAP_IRQ_REG(BD71828_INT_BAT_OVER_CURR_1_RES, 9,
BD71828_INT_BAT_OVER_CURR_1_RES_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_OVER_CURR_1_DET, 9,
BD71828_INT_BAT_OVER_CURR_1_DET_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_OVER_CURR_2_RES, 9,
BD71828_INT_BAT_OVER_CURR_2_RES_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_OVER_CURR_2_DET, 9,
BD71828_INT_BAT_OVER_CURR_2_DET_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_OVER_CURR_3_RES, 9,
BD71828_INT_BAT_OVER_CURR_3_RES_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_OVER_CURR_3_DET, 9,
BD71828_INT_BAT_OVER_CURR_3_DET_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_OVER_CURR_1_RES, 9, BD71828_INT_BAT_OVER_CURR_1_RES_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_OVER_CURR_1_DET, 9, BD71828_INT_BAT_OVER_CURR_1_DET_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_OVER_CURR_2_RES, 9, BD71828_INT_BAT_OVER_CURR_2_RES_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_OVER_CURR_2_DET, 9, BD71828_INT_BAT_OVER_CURR_2_DET_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_OVER_CURR_3_RES, 9, BD71828_INT_BAT_OVER_CURR_3_RES_MASK),
REGMAP_IRQ_REG(BD71828_INT_BAT_OVER_CURR_3_DET, 9, BD71828_INT_BAT_OVER_CURR_3_DET_MASK),
/* Temperature */
REGMAP_IRQ_REG(BD71828_INT_TEMP_BAT_LOW_RES, 10,
BD71828_INT_TEMP_BAT_LOW_RES_MASK),
REGMAP_IRQ_REG(BD71828_INT_TEMP_BAT_LOW_DET, 10,
BD71828_INT_TEMP_BAT_LOW_DET_MASK),
REGMAP_IRQ_REG(BD71828_INT_TEMP_BAT_HI_RES, 10,
BD71828_INT_TEMP_BAT_HI_RES_MASK),
REGMAP_IRQ_REG(BD71828_INT_TEMP_BAT_HI_DET, 10,
BD71828_INT_TEMP_BAT_HI_DET_MASK),
REGMAP_IRQ_REG(BD71828_INT_TEMP_BAT_LOW_RES, 10, BD71828_INT_TEMP_BAT_LOW_RES_MASK),
REGMAP_IRQ_REG(BD71828_INT_TEMP_BAT_LOW_DET, 10, BD71828_INT_TEMP_BAT_LOW_DET_MASK),
REGMAP_IRQ_REG(BD71828_INT_TEMP_BAT_HI_RES, 10, BD71828_INT_TEMP_BAT_HI_RES_MASK),
REGMAP_IRQ_REG(BD71828_INT_TEMP_BAT_HI_DET, 10, BD71828_INT_TEMP_BAT_HI_DET_MASK),
REGMAP_IRQ_REG(BD71828_INT_TEMP_CHIP_OVER_125_RES, 10,
BD71828_INT_TEMP_CHIP_OVER_125_RES_MASK),
REGMAP_IRQ_REG(BD71828_INT_TEMP_CHIP_OVER_125_DET, 10,
@ -267,57 +419,133 @@ static struct regmap_irq_chip bd71828_irq_chip = {
.init_ack_masked = true,
.num_regs = 12,
.num_main_regs = 1,
.sub_reg_offsets = &bd71828_sub_irq_offsets[0],
.sub_reg_offsets = &bd718xx_sub_irq_offsets[0],
.num_main_status_bits = 8,
.irq_reg_stride = 1,
};
static struct regmap_irq_chip bd71815_irq_chip = {
.name = "bd71815_irq",
.main_status = BD71815_REG_INT_STAT,
.irqs = &bd71815_irqs[0],
.num_irqs = ARRAY_SIZE(bd71815_irqs),
.status_base = BD71815_REG_INT_STAT_01,
.mask_base = BD71815_REG_INT_EN_01,
.ack_base = BD71815_REG_INT_STAT_01,
.mask_invert = true,
.init_ack_masked = true,
.num_regs = 12,
.num_main_regs = 1,
.sub_reg_offsets = &bd718xx_sub_irq_offsets[0],
.num_main_status_bits = 8,
.irq_reg_stride = 1,
};
static int set_clk_mode(struct device *dev, struct regmap *regmap,
int clkmode_reg)
{
int ret;
unsigned int open_drain;
ret = of_property_read_u32(dev->of_node, "rohm,clkout-open-drain", &open_drain);
if (ret) {
if (ret == -EINVAL)
return 0;
return ret;
}
if (open_drain > 1) {
dev_err(dev, "bad clk32kout mode configuration");
return -EINVAL;
}
if (open_drain)
return regmap_update_bits(regmap, clkmode_reg, OUT32K_MODE,
OUT32K_MODE_OPEN_DRAIN);
return regmap_update_bits(regmap, clkmode_reg, OUT32K_MODE,
OUT32K_MODE_CMOS);
}
static int bd71828_i2c_probe(struct i2c_client *i2c)
{
struct rohm_regmap_dev *chip;
struct regmap_irq_chip_data *irq_data;
int ret;
struct regmap *regmap;
const struct regmap_config *regmap_config;
struct regmap_irq_chip *irqchip;
unsigned int chip_type;
struct mfd_cell *mfd;
int cells;
int button_irq;
int clkmode_reg;
if (!i2c->irq) {
dev_err(&i2c->dev, "No IRQ configured\n");
return -EINVAL;
}
chip = devm_kzalloc(&i2c->dev, sizeof(*chip), GFP_KERNEL);
if (!chip)
return -ENOMEM;
dev_set_drvdata(&i2c->dev, chip);
chip->regmap = devm_regmap_init_i2c(i2c, &bd71828_regmap);
if (IS_ERR(chip->regmap)) {
dev_err(&i2c->dev, "Failed to initialize Regmap\n");
return PTR_ERR(chip->regmap);
chip_type = (unsigned int)(uintptr_t)
of_device_get_match_data(&i2c->dev);
switch (chip_type) {
case ROHM_CHIP_TYPE_BD71828:
mfd = bd71828_mfd_cells;
cells = ARRAY_SIZE(bd71828_mfd_cells);
regmap_config = &bd71828_regmap;
irqchip = &bd71828_irq_chip;
clkmode_reg = BD71828_REG_OUT32K;
button_irq = BD71828_INT_SHORTPUSH;
break;
case ROHM_CHIP_TYPE_BD71815:
mfd = bd71815_mfd_cells;
cells = ARRAY_SIZE(bd71815_mfd_cells);
regmap_config = &bd71815_regmap;
irqchip = &bd71815_irq_chip;
clkmode_reg = BD71815_REG_OUT32K;
/*
* If BD71817 support is needed we should be able to handle it
* with proper DT configs + BD71815 drivers + power-button.
* BD71815 data-sheet does not list the power-button IRQ so we
* don't use it.
*/
button_irq = 0;
break;
default:
dev_err(&i2c->dev, "Unknown device type");
return -EINVAL;
}
ret = devm_regmap_add_irq_chip(&i2c->dev, chip->regmap,
i2c->irq, IRQF_ONESHOT, 0,
&bd71828_irq_chip, &irq_data);
regmap = devm_regmap_init_i2c(i2c, regmap_config);
if (IS_ERR(regmap)) {
dev_err(&i2c->dev, "Failed to initialize Regmap\n");
return PTR_ERR(regmap);
}
ret = devm_regmap_add_irq_chip(&i2c->dev, regmap, i2c->irq,
IRQF_ONESHOT, 0, irqchip, &irq_data);
if (ret) {
dev_err(&i2c->dev, "Failed to add IRQ chip\n");
return ret;
}
dev_dbg(&i2c->dev, "Registered %d IRQs for chip\n",
bd71828_irq_chip.num_irqs);
irqchip->num_irqs);
ret = regmap_irq_get_virq(irq_data, BD71828_INT_SHORTPUSH);
if (button_irq) {
ret = regmap_irq_get_virq(irq_data, button_irq);
if (ret < 0) {
dev_err(&i2c->dev, "Failed to get the power-key IRQ\n");
return ret;
}
button.irq = ret;
}
ret = devm_mfd_add_devices(&i2c->dev, PLATFORM_DEVID_AUTO,
bd71828_mfd_cells,
ARRAY_SIZE(bd71828_mfd_cells), NULL, 0,
regmap_irq_get_domain(irq_data));
ret = set_clk_mode(&i2c->dev, regmap, clkmode_reg);
if (ret)
return ret;
ret = devm_mfd_add_devices(&i2c->dev, PLATFORM_DEVID_AUTO, mfd, cells,
NULL, 0, regmap_irq_get_domain(irq_data));
if (ret)
dev_err(&i2c->dev, "Failed to create subdevices\n");
@ -325,7 +553,13 @@ static int bd71828_i2c_probe(struct i2c_client *i2c)
}
static const struct of_device_id bd71828_of_match[] = {
{ .compatible = "rohm,bd71828", },
{
.compatible = "rohm,bd71828",
.data = (void *)ROHM_CHIP_TYPE_BD71828,
}, {
.compatible = "rohm,bd71815",
.data = (void *)ROHM_CHIP_TYPE_BD71815,
},
{ },
};
MODULE_DEVICE_TABLE(of, bd71828_of_match);

562
include/linux/mfd/rohm-bd71815.h Normal file
View File

@ -0,0 +1,562 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright 2021 ROHM Semiconductors.
*
* Author: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
*
* Copyright 2014 Embest Technology Co. Ltd. Inc.
*
* Author: yanglsh@embest-tech.com
*/
#ifndef _MFD_BD71815_H
#define _MFD_BD71815_H
#include <linux/regmap.h>
enum {
BD71815_BUCK1 = 0,
BD71815_BUCK2,
BD71815_BUCK3,
BD71815_BUCK4,
BD71815_BUCK5,
/* General Purpose */
BD71815_LDO1,
BD71815_LDO2,
BD71815_LDO3,
/* LDOs for SD Card and SD Card Interface */
BD71815_LDO4,
BD71815_LDO5,
/* LDO for DDR Reference Voltage */
BD71815_LDODVREF,
/* LDO for Low-Power State Retention */
BD71815_LDOLPSR,
BD71815_WLED,
BD71815_REGULATOR_CNT,
};
#define BD71815_SUPPLY_STATE_ENABLED 0x1
enum {
BD71815_REG_DEVICE = 0,
BD71815_REG_PWRCTRL,
BD71815_REG_BUCK1_MODE,
BD71815_REG_BUCK2_MODE,
BD71815_REG_BUCK3_MODE,
BD71815_REG_BUCK4_MODE,
BD71815_REG_BUCK5_MODE,
BD71815_REG_BUCK1_VOLT_H,
BD71815_REG_BUCK1_VOLT_L,
BD71815_REG_BUCK2_VOLT_H,
BD71815_REG_BUCK2_VOLT_L,
BD71815_REG_BUCK3_VOLT,
BD71815_REG_BUCK4_VOLT,
BD71815_REG_BUCK5_VOLT,
BD71815_REG_LED_CTRL,
BD71815_REG_LED_DIMM,
BD71815_REG_LDO_MODE1,
BD71815_REG_LDO_MODE2,
BD71815_REG_LDO_MODE3,
BD71815_REG_LDO_MODE4,
BD71815_REG_LDO1_VOLT,
BD71815_REG_LDO2_VOLT,
BD71815_REG_LDO3_VOLT,
BD71815_REG_LDO4_VOLT,
BD71815_REG_LDO5_VOLT_H,
BD71815_REG_LDO5_VOLT_L,
BD71815_REG_BUCK_PD_DIS,
BD71815_REG_LDO_PD_DIS,
BD71815_REG_GPO,
BD71815_REG_OUT32K,
BD71815_REG_SEC,
BD71815_REG_MIN,
BD71815_REG_HOUR,
BD71815_REG_WEEK,
BD71815_REG_DAY,
BD71815_REG_MONTH,
BD71815_REG_YEAR,
BD71815_REG_ALM0_SEC,
BD71815_REG_ALM1_SEC = 0x2C,
BD71815_REG_ALM0_MASK = 0x33,
BD71815_REG_ALM1_MASK,
BD71815_REG_ALM2,
BD71815_REG_TRIM,
BD71815_REG_CONF,
BD71815_REG_SYS_INIT,
BD71815_REG_CHG_STATE,
BD71815_REG_CHG_LAST_STATE,
BD71815_REG_BAT_STAT,
BD71815_REG_DCIN_STAT,
BD71815_REG_VSYS_STAT,
BD71815_REG_CHG_STAT,
BD71815_REG_CHG_WDT_STAT,
BD71815_REG_BAT_TEMP,
BD71815_REG_IGNORE_0,
BD71815_REG_INHIBIT_0,
BD71815_REG_DCIN_CLPS,
BD71815_REG_VSYS_REG,
BD71815_REG_VSYS_MAX,
BD71815_REG_VSYS_MIN,
BD71815_REG_CHG_SET1,
BD71815_REG_CHG_SET2,
BD71815_REG_CHG_WDT_PRE,
BD71815_REG_CHG_WDT_FST,
BD71815_REG_CHG_IPRE,
BD71815_REG_CHG_IFST,
BD71815_REG_CHG_IFST_TERM,
BD71815_REG_CHG_VPRE,
BD71815_REG_CHG_VBAT_1,
BD71815_REG_CHG_VBAT_2,
BD71815_REG_CHG_VBAT_3,
BD71815_REG_CHG_LED_1,
BD71815_REG_VF_TH,
BD71815_REG_BAT_SET_1,
BD71815_REG_BAT_SET_2,
BD71815_REG_BAT_SET_3,
BD71815_REG_ALM_VBAT_TH_U,
BD71815_REG_ALM_VBAT_TH_L,
BD71815_REG_ALM_DCIN_TH,
BD71815_REG_ALM_VSYS_TH,
BD71815_REG_VM_IBAT_U,
BD71815_REG_VM_IBAT_L,
BD71815_REG_VM_VBAT_U,
BD71815_REG_VM_VBAT_L,
BD71815_REG_VM_BTMP,
BD71815_REG_VM_VTH,
BD71815_REG_VM_DCIN_U,
BD71815_REG_VM_DCIN_L,
BD71815_REG_VM_VSYS,
BD71815_REG_VM_VF,
BD71815_REG_VM_OCI_PRE_U,
BD71815_REG_VM_OCI_PRE_L,
BD71815_REG_VM_OCV_PRE_U,
BD71815_REG_VM_OCV_PRE_L,
BD71815_REG_VM_OCI_PST_U,
BD71815_REG_VM_OCI_PST_L,
BD71815_REG_VM_OCV_PST_U,
BD71815_REG_VM_OCV_PST_L,
BD71815_REG_VM_SA_VBAT_U,
BD71815_REG_VM_SA_VBAT_L,
BD71815_REG_VM_SA_IBAT_U,
BD71815_REG_VM_SA_IBAT_L,
BD71815_REG_CC_CTRL,
BD71815_REG_CC_BATCAP1_TH_U,
BD71815_REG_CC_BATCAP1_TH_L,
BD71815_REG_CC_BATCAP2_TH_U,
BD71815_REG_CC_BATCAP2_TH_L,
BD71815_REG_CC_BATCAP3_TH_U,
BD71815_REG_CC_BATCAP3_TH_L,
BD71815_REG_CC_STAT,
BD71815_REG_CC_CCNTD_3,
BD71815_REG_CC_CCNTD_2,
BD71815_REG_CC_CCNTD_1,
BD71815_REG_CC_CCNTD_0,
BD71815_REG_CC_CURCD_U,
BD71815_REG_CC_CURCD_L,
BD71815_REG_VM_OCUR_THR_1,
BD71815_REG_VM_OCUR_DUR_1,
BD71815_REG_VM_OCUR_THR_2,
BD71815_REG_VM_OCUR_DUR_2,
BD71815_REG_VM_OCUR_THR_3,
BD71815_REG_VM_OCUR_DUR_3,
BD71815_REG_VM_OCUR_MON,
BD71815_REG_VM_BTMP_OV_THR,
BD71815_REG_VM_BTMP_OV_DUR,
BD71815_REG_VM_BTMP_LO_THR,
BD71815_REG_VM_BTMP_LO_DUR,
BD71815_REG_VM_BTMP_MON,
BD71815_REG_INT_EN_01,
BD71815_REG_INT_EN_11 = 0x95,
BD71815_REG_INT_EN_12,
BD71815_REG_INT_STAT,
BD71815_REG_INT_STAT_01,
BD71815_REG_INT_STAT_02,
BD71815_REG_INT_STAT_03,
BD71815_REG_INT_STAT_04,
BD71815_REG_INT_STAT_05,
BD71815_REG_INT_STAT_06,
BD71815_REG_INT_STAT_07,
BD71815_REG_INT_STAT_08,
BD71815_REG_INT_STAT_09,
BD71815_REG_INT_STAT_10,
BD71815_REG_INT_STAT_11,
BD71815_REG_INT_STAT_12,
BD71815_REG_INT_UPDATE,
BD71815_REG_VM_VSYS_U = 0xC0,
BD71815_REG_VM_VSYS_L,
BD71815_REG_VM_SA_VSYS_U,
BD71815_REG_VM_SA_VSYS_L,
BD71815_REG_VM_SA_IBAT_MIN_U = 0xD0,
BD71815_REG_VM_SA_IBAT_MIN_L,
BD71815_REG_VM_SA_IBAT_MAX_U,
BD71815_REG_VM_SA_IBAT_MAX_L,
BD71815_REG_VM_SA_VBAT_MIN_U,
BD71815_REG_VM_SA_VBAT_MIN_L,
BD71815_REG_VM_SA_VBAT_MAX_U,
BD71815_REG_VM_SA_VBAT_MAX_L,
BD71815_REG_VM_SA_VSYS_MIN_U,
BD71815_REG_VM_SA_VSYS_MIN_L,
BD71815_REG_VM_SA_VSYS_MAX_U,
BD71815_REG_VM_SA_VSYS_MAX_L,
BD71815_REG_VM_SA_MINMAX_CLR,
BD71815_REG_REX_CCNTD_3 = 0xE0,
BD71815_REG_REX_CCNTD_2,
BD71815_REG_REX_CCNTD_1,
BD71815_REG_REX_CCNTD_0,
BD71815_REG_REX_SA_VBAT_U,
BD71815_REG_REX_SA_VBAT_L,
BD71815_REG_REX_CTRL_1,
BD71815_REG_REX_CTRL_2,
BD71815_REG_FULL_CCNTD_3,
BD71815_REG_FULL_CCNTD_2,
BD71815_REG_FULL_CCNTD_1,
BD71815_REG_FULL_CCNTD_0,
BD71815_REG_FULL_CTRL,
BD71815_REG_CCNTD_CHG_3 = 0xF0,
BD71815_REG_CCNTD_CHG_2,
BD71815_REG_TEST_MODE = 0xFE,
BD71815_MAX_REGISTER,
};
/* BD71815_REG_BUCK1_MODE bits */
#define BD71815_BUCK_RAMPRATE_MASK 0xC0
#define BD71815_BUCK_RAMPRATE_10P00MV 0x0
#define BD71815_BUCK_RAMPRATE_5P00MV 0x01
#define BD71815_BUCK_RAMPRATE_2P50MV 0x02
#define BD71815_BUCK_RAMPRATE_1P25MV 0x03
#define BD71815_BUCK_PWM_FIXED BIT(4)
#define BD71815_BUCK_SNVS_ON BIT(3)
#define BD71815_BUCK_RUN_ON BIT(2)
#define BD71815_BUCK_LPSR_ON BIT(1)
#define BD71815_BUCK_SUSP_ON BIT(0)
/* BD71815_REG_BUCK1_VOLT_H bits */
#define BD71815_BUCK_DVSSEL BIT(7)
#define BD71815_BUCK_STBY_DVS BIT(6)
#define BD71815_VOLT_MASK 0x3F
#define BD71815_BUCK1_H_DEFAULT 0x14
#define BD71815_BUCK1_L_DEFAULT 0x14
/* BD71815_REG_BUCK2_VOLT_H bits */
#define BD71815_BUCK2_H_DEFAULT 0x14
#define BD71815_BUCK2_L_DEFAULT 0x14
/* WLED output */
/* current register mask */
#define LED_DIMM_MASK 0x3f
/* LED enable bits at LED_CTRL reg */
#define LED_CHGDONE_EN BIT(4)
#define LED_RUN_ON BIT(2)
#define LED_LPSR_ON BIT(1)
#define LED_SUSP_ON BIT(0)
/* BD71815_REG_LDO1_CTRL bits */
#define LDO1_EN BIT(0)
#define LDO2_EN BIT(1)
#define LDO3_EN BIT(2)
#define DVREF_EN BIT(3)
#define VOSNVS_SW_EN BIT(4)
/* LDO_MODE1_register */
#define LDO1_SNVS_ON BIT(7)
#define LDO1_RUN_ON BIT(6)
#define LDO1_LPSR_ON BIT(5)
#define LDO1_SUSP_ON BIT(4)
/* set => register control, unset => GPIO control */
#define LDO4_MODE_MASK BIT(3)
#define LDO4_MODE_I2C BIT(3)
#define LDO4_MODE_GPIO 0
/* set => register control, unset => start when DCIN connected */
#define LDO3_MODE_MASK BIT(2)
#define LDO3_MODE_I2C BIT(2)
#define LDO3_MODE_DCIN 0
/* LDO_MODE2 register */
#define LDO3_SNVS_ON BIT(7)
#define LDO3_RUN_ON BIT(6)
#define LDO3_LPSR_ON BIT(5)
#define LDO3_SUSP_ON BIT(4)
#define LDO2_SNVS_ON BIT(3)
#define LDO2_RUN_ON BIT(2)
#define LDO2_LPSR_ON BIT(1)
#define LDO2_SUSP_ON BIT(0)
/* LDO_MODE3 register */
#define LDO5_SNVS_ON BIT(7)
#define LDO5_RUN_ON BIT(6)
#define LDO5_LPSR_ON BIT(5)
#define LDO5_SUSP_ON BIT(4)
#define LDO4_SNVS_ON BIT(3)
#define LDO4_RUN_ON BIT(2)
#define LDO4_LPSR_ON BIT(1)
#define LDO4_SUSP_ON BIT(0)
/* LDO_MODE4 register */
#define DVREF_SNVS_ON BIT(7)
#define DVREF_RUN_ON BIT(6)
#define DVREF_LPSR_ON BIT(5)
#define DVREF_SUSP_ON BIT(4)
#define LDO_LPSR_SNVS_ON BIT(3)
#define LDO_LPSR_RUN_ON BIT(2)
#define LDO_LPSR_LPSR_ON BIT(1)
#define LDO_LPSR_SUSP_ON BIT(0)
/* BD71815_REG_OUT32K bits */
#define OUT32K_EN BIT(0)
#define OUT32K_MODE BIT(1)
#define OUT32K_MODE_CMOS BIT(1)
#define OUT32K_MODE_OPEN_DRAIN 0
/* BD71815_REG_BAT_STAT bits */
#define BAT_DET BIT(5)
#define BAT_DET_OFFSET 5
#define BAT_DET_DONE BIT(4)
#define VBAT_OV BIT(3)
#define DBAT_DET BIT(0)
/* BD71815_REG_VBUS_STAT bits */
#define VBUS_DET BIT(0)
#define BD71815_REG_RTC_START BD71815_REG_SEC
#define BD71815_REG_RTC_ALM_START BD71815_REG_ALM0_SEC
/* BD71815_REG_ALM0_MASK bits */
#define A0_ONESEC BIT(7)
/* BD71815_REG_INT_EN_00 bits */
#define ALMALE BIT(0)
/* BD71815_REG_INT_STAT_03 bits */
#define DCIN_MON_DET BIT(1)
#define DCIN_MON_RES BIT(0)
#define POWERON_LONG BIT(2)
#define POWERON_MID BIT(3)
#define POWERON_SHORT BIT(4)
#define POWERON_PRESS BIT(5)
/* BD71805_REG_INT_STAT_08 bits */
#define VBAT_MON_DET BIT(1)
#define VBAT_MON_RES BIT(0)
/* BD71805_REG_INT_STAT_11 bits */
#define INT_STAT_11_VF_DET BIT(7)
#define INT_STAT_11_VF_RES BIT(6)
#define INT_STAT_11_VF125_DET BIT(5)
#define INT_STAT_11_VF125_RES BIT(4)
#define INT_STAT_11_OVTMP_DET BIT(3)
#define INT_STAT_11_OVTMP_RES BIT(2)
#define INT_STAT_11_LOTMP_DET BIT(1)
#define INT_STAT_11_LOTMP_RES BIT(0)
#define VBAT_MON_DET BIT(1)
#define VBAT_MON_RES BIT(0)
/* BD71815_REG_PWRCTRL bits */
#define RESTARTEN BIT(0)
/* BD71815_REG_GPO bits */
#define READY_FORCE_LOW BIT(2)
#define BD71815_GPIO_DRIVE_MASK BIT(4)
#define BD71815_GPIO_OPEN_DRAIN 0
#define BD71815_GPIO_CMOS BIT(4)
/* BD71815 interrupt masks */
enum {
BD71815_INT_EN_01_BUCKAST_MASK = 0x0F,
BD71815_INT_EN_02_DCINAST_MASK = 0x3E,
BD71815_INT_EN_03_DCINAST_MASK = 0x3F,
BD71815_INT_EN_04_VSYSAST_MASK = 0xCF,
BD71815_INT_EN_05_CHGAST_MASK = 0xFC,
BD71815_INT_EN_06_BATAST_MASK = 0xF3,
BD71815_INT_EN_07_BMONAST_MASK = 0xFE,
BD71815_INT_EN_08_BMONAST_MASK = 0x03,
BD71815_INT_EN_09_BMONAST_MASK = 0x07,
BD71815_INT_EN_10_BMONAST_MASK = 0x3F,
BD71815_INT_EN_11_TMPAST_MASK = 0xFF,
BD71815_INT_EN_12_ALMAST_MASK = 0x07,
};
/* BD71815 interrupt irqs */
enum {
/* BUCK reg interrupts */
BD71815_INT_BUCK1_OCP,
BD71815_INT_BUCK2_OCP,
BD71815_INT_BUCK3_OCP,
BD71815_INT_BUCK4_OCP,
BD71815_INT_BUCK5_OCP,
BD71815_INT_LED_OVP,
BD71815_INT_LED_OCP,
BD71815_INT_LED_SCP,
/* DCIN1 interrupts */
BD71815_INT_DCIN_RMV,
BD71815_INT_CLPS_OUT,
BD71815_INT_CLPS_IN,
BD71815_INT_DCIN_OVP_RES,
BD71815_INT_DCIN_OVP_DET,
/* DCIN2 interrupts */
BD71815_INT_DCIN_MON_RES,
BD71815_INT_DCIN_MON_DET,
BD71815_INT_WDOG,
/* Vsys INT_STAT_04 */
BD71815_INT_VSYS_UV_RES,
BD71815_INT_VSYS_UV_DET,
BD71815_INT_VSYS_LOW_RES,
BD71815_INT_VSYS_LOW_DET,
BD71815_INT_VSYS_MON_RES,
BD71815_INT_VSYS_MON_DET,
/* Charger INT_STAT_05 */
BD71815_INT_CHG_WDG_TEMP,
BD71815_INT_CHG_WDG_TIME,
BD71815_INT_CHG_RECHARGE_RES,
BD71815_INT_CHG_RECHARGE_DET,
BD71815_INT_CHG_RANGED_TEMP_TRANSITION,
BD71815_INT_CHG_STATE_TRANSITION,
/* Battery INT_STAT_06 */
BD71815_INT_BAT_TEMP_NORMAL,
BD71815_INT_BAT_TEMP_ERANGE,
BD71815_INT_BAT_REMOVED,
BD71815_INT_BAT_DETECTED,
BD71815_INT_THERM_REMOVED,
BD71815_INT_THERM_DETECTED,
/* Battery Mon 1 INT_STAT_07 */
BD71815_INT_BAT_DEAD,
BD71815_INT_BAT_SHORTC_RES,
BD71815_INT_BAT_SHORTC_DET,
BD71815_INT_BAT_LOW_VOLT_RES,
BD71815_INT_BAT_LOW_VOLT_DET,
BD71815_INT_BAT_OVER_VOLT_RES,
BD71815_INT_BAT_OVER_VOLT_DET,
/* Battery Mon 2 INT_STAT_08 */
BD71815_INT_BAT_MON_RES,
BD71815_INT_BAT_MON_DET,
/* Battery Mon 3 (Coulomb counter) INT_STAT_09 */
BD71815_INT_BAT_CC_MON1,
BD71815_INT_BAT_CC_MON2,
BD71815_INT_BAT_CC_MON3,
/* Battery Mon 4 INT_STAT_10 */
BD71815_INT_BAT_OVER_CURR_1_RES,
BD71815_INT_BAT_OVER_CURR_1_DET,
BD71815_INT_BAT_OVER_CURR_2_RES,
BD71815_INT_BAT_OVER_CURR_2_DET,
BD71815_INT_BAT_OVER_CURR_3_RES,
BD71815_INT_BAT_OVER_CURR_3_DET,
/* Temperature INT_STAT_11 */
BD71815_INT_TEMP_BAT_LOW_RES,
BD71815_INT_TEMP_BAT_LOW_DET,
BD71815_INT_TEMP_BAT_HI_RES,
BD71815_INT_TEMP_BAT_HI_DET,
BD71815_INT_TEMP_CHIP_OVER_125_RES,
BD71815_INT_TEMP_CHIP_OVER_125_DET,
BD71815_INT_TEMP_CHIP_OVER_VF_RES,
BD71815_INT_TEMP_CHIP_OVER_VF_DET,
/* RTC Alarm INT_STAT_12 */
BD71815_INT_RTC0,
BD71815_INT_RTC1,
BD71815_INT_RTC2,
};
#define BD71815_INT_BUCK1_OCP_MASK BIT(0)
#define BD71815_INT_BUCK2_OCP_MASK BIT(1)
#define BD71815_INT_BUCK3_OCP_MASK BIT(2)
#define BD71815_INT_BUCK4_OCP_MASK BIT(3)
#define BD71815_INT_BUCK5_OCP_MASK BIT(4)
#define BD71815_INT_LED_OVP_MASK BIT(5)
#define BD71815_INT_LED_OCP_MASK BIT(6)
#define BD71815_INT_LED_SCP_MASK BIT(7)
#define BD71815_INT_DCIN_RMV_MASK BIT(1)
#define BD71815_INT_CLPS_OUT_MASK BIT(2)
#define BD71815_INT_CLPS_IN_MASK BIT(3)
#define BD71815_INT_DCIN_OVP_RES_MASK BIT(4)
#define BD71815_INT_DCIN_OVP_DET_MASK BIT(5)
#define BD71815_INT_DCIN_MON_RES_MASK BIT(0)
#define BD71815_INT_DCIN_MON_DET_MASK BIT(1)
#define BD71815_INT_WDOG_MASK BIT(6)
#define BD71815_INT_VSYS_UV_RES_MASK BIT(0)
#define BD71815_INT_VSYS_UV_DET_MASK BIT(1)
#define BD71815_INT_VSYS_LOW_RES_MASK BIT(2)
#define BD71815_INT_VSYS_LOW_DET_MASK BIT(3)
#define BD71815_INT_VSYS_MON_RES_MASK BIT(6)
#define BD71815_INT_VSYS_MON_DET_MASK BIT(7)
#define BD71815_INT_CHG_WDG_TEMP_MASK BIT(2)
#define BD71815_INT_CHG_WDG_TIME_MASK BIT(3)
#define BD71815_INT_CHG_RECHARGE_RES_MASK BIT(4)
#define BD71815_INT_CHG_RECHARGE_DET_MASK BIT(5)
#define BD71815_INT_CHG_RANGED_TEMP_TRANSITION_MASK BIT(6)
#define BD71815_INT_CHG_STATE_TRANSITION_MASK BIT(7)
#define BD71815_INT_BAT_TEMP_NORMAL_MASK BIT(0)
#define BD71815_INT_BAT_TEMP_ERANGE_MASK BIT(1)
#define BD71815_INT_BAT_REMOVED_MASK BIT(4)
#define BD71815_INT_BAT_DETECTED_MASK BIT(5)
#define BD71815_INT_THERM_REMOVED_MASK BIT(6)
#define BD71815_INT_THERM_DETECTED_MASK BIT(7)
#define BD71815_INT_BAT_DEAD_MASK BIT(1)
#define BD71815_INT_BAT_SHORTC_RES_MASK BIT(2)
#define BD71815_INT_BAT_SHORTC_DET_MASK BIT(3)
#define BD71815_INT_BAT_LOW_VOLT_RES_MASK BIT(4)
#define BD71815_INT_BAT_LOW_VOLT_DET_MASK BIT(5)
#define BD71815_INT_BAT_OVER_VOLT_RES_MASK BIT(6)
#define BD71815_INT_BAT_OVER_VOLT_DET_MASK BIT(7)
#define BD71815_INT_BAT_MON_RES_MASK BIT(0)
#define BD71815_INT_BAT_MON_DET_MASK BIT(1)
#define BD71815_INT_BAT_CC_MON1_MASK BIT(0)
#define BD71815_INT_BAT_CC_MON2_MASK BIT(1)
#define BD71815_INT_BAT_CC_MON3_MASK BIT(2)
#define BD71815_INT_BAT_OVER_CURR_1_RES_MASK BIT(0)
#define BD71815_INT_BAT_OVER_CURR_1_DET_MASK BIT(1)
#define BD71815_INT_BAT_OVER_CURR_2_RES_MASK BIT(2)
#define BD71815_INT_BAT_OVER_CURR_2_DET_MASK BIT(3)
#define BD71815_INT_BAT_OVER_CURR_3_RES_MASK BIT(4)
#define BD71815_INT_BAT_OVER_CURR_3_DET_MASK BIT(5)
#define BD71815_INT_TEMP_BAT_LOW_RES_MASK BIT(0)
#define BD71815_INT_TEMP_BAT_LOW_DET_MASK BIT(1)
#define BD71815_INT_TEMP_BAT_HI_RES_MASK BIT(2)
#define BD71815_INT_TEMP_BAT_HI_DET_MASK BIT(3)
#define BD71815_INT_TEMP_CHIP_OVER_125_RES_MASK BIT(4)
#define BD71815_INT_TEMP_CHIP_OVER_125_DET_MASK BIT(5)
#define BD71815_INT_TEMP_CHIP_OVER_VF_RES_MASK BIT(6)
#define BD71815_INT_TEMP_CHIP_OVER_VF_DET_MASK BIT(7)
#define BD71815_INT_RTC0_MASK BIT(0)
#define BD71815_INT_RTC1_MASK BIT(1)
#define BD71815_INT_RTC2_MASK BIT(2)
/* BD71815_REG_CC_CTRL bits */
#define CCNTRST 0x80
#define CCNTENB 0x40
#define CCCALIB 0x20
/* BD71815_REG_CC_CURCD */
#define CURDIR_Discharging 0x8000
/* BD71815_REG_VM_SA_IBAT */
#define IBAT_SA_DIR_Discharging 0x8000
/* BD71815_REG_REX_CTRL_1 bits */
#define REX_CLR BIT(4)
/* BD71815_REG_REX_CTRL_1 bits */
#define REX_PMU_STATE_MASK BIT(2)
/* BD71815_REG_LED_CTRL bits */
#define CHGDONE_LED_EN BIT(4)
#endif /* __LINUX_MFD_BD71815_H */

3
include/linux/mfd/rohm-bd71828.h
View File

@ -151,6 +151,9 @@ enum {
#define BD71828_REG_GPIO_CTRL3 0x49
#define BD71828_REG_IO_STAT 0xed
/* clk */
#define BD71828_REG_OUT32K 0x4b
/* RTC */
#define BD71828_REG_RTC_SEC 0x4c
#define BD71828_REG_RTC_MINUTE 0x4d