mfd: bd71828: Support ROHM BD71828 PMIC - core
authorMatti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Mon, 20 Jan 2020 13:43:28 +0000 (15:43 +0200)
committerLee Jones <lee.jones@linaro.org>
Fri, 24 Jan 2020 07:22:37 +0000 (07:22 +0000)
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), 3 GPO/regulator control pins, HALL input and a 32.768 kHz
clock gate.

Add MFD core driver providing interrupt controller facilities and i2c
access to sub device drivers.

Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
drivers/mfd/Kconfig
drivers/mfd/Makefile
drivers/mfd/rohm-bd71828.c [new file with mode: 0644]
include/linux/mfd/rohm-bd71828.h [new file with mode: 0644]
include/linux/mfd/rohm-generic.h

index 4209008..c3c9432 100644 (file)
@@ -1906,6 +1906,21 @@ config MFD_ROHM_BD70528
          10 bits SAR ADC for battery temperature monitor and 1S battery
          charger.
 
+config MFD_ROHM_BD71828
+       tristate "ROHM BD71828 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.
+
 config MFD_STM32_LPTIMER
        tristate "Support for STM32 Low-Power Timer"
        depends on (ARCH_STM32 && OF) || COMPILE_TEST
index aed99f0..61b3093 100644 (file)
@@ -252,6 +252,7 @@ obj-$(CONFIG_MFD_MXS_LRADC)     += mxs-lradc.o
 obj-$(CONFIG_MFD_SC27XX_PMIC)  += sprd-sc27xx-spi.o
 obj-$(CONFIG_RAVE_SP_CORE)     += rave-sp.o
 obj-$(CONFIG_MFD_ROHM_BD70528) += rohm-bd70528.o
+obj-$(CONFIG_MFD_ROHM_BD71828) += rohm-bd71828.o
 obj-$(CONFIG_MFD_ROHM_BD718XX) += rohm-bd718x7.o
 obj-$(CONFIG_MFD_STMFX)        += stmfx.o
 
diff --git a/drivers/mfd/rohm-bd71828.c b/drivers/mfd/rohm-bd71828.c
new file mode 100644 (file)
index 0000000..0ec386c
--- /dev/null
@@ -0,0 +1,318 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// Copyright (C) 2019 ROHM Semiconductors
+//
+// ROHM BD71828 PMIC driver
+
+#include <linux/i2c.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <linux/irq.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/rohm-bd71828.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/regmap.h>
+#include <linux/types.h>
+
+static const struct resource 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 mfd_cell bd71828_mfd_cells[] = {
+       { .name = "bd71828-pmic", },
+       { .name = "bd71828-gpio", },
+       { .name = "bd71828-led", .of_compatible = "rohm,bd71828-leds" },
+       /*
+        * We use BD71837 driver to drive the clock block. Only differences to
+        * BD70528 clock gate are the register address and mask.
+        */
+       { .name = "bd71828-clk", },
+       { .name = "bd71827-power", },
+       {
+               .name = "bd71828-rtc",
+               .resources = rtc_irqs,
+               .num_resources = ARRAY_SIZE(rtc_irqs),
+       },
+};
+
+static const struct regmap_range volatile_ranges[] = {
+       {
+               .range_min = BD71828_REG_PS_CTRL_1,
+               .range_max = BD71828_REG_PS_CTRL_1,
+       }, {
+               .range_min = BD71828_REG_PS_CTRL_3,
+               .range_max = BD71828_REG_PS_CTRL_3,
+       }, {
+               .range_min = BD71828_REG_RTC_SEC,
+               .range_max = BD71828_REG_RTC_YEAR,
+       }, {
+               /*
+                * For now make all charger registers volatile because many
+                * needs to be and because the charger block is not that
+                * performance critical.
+                */
+               .range_min = BD71828_REG_CHG_STATE,
+               .range_max = BD71828_REG_CHG_FULL,
+       }, {
+               .range_min = BD71828_REG_INT_MAIN,
+               .range_max = BD71828_REG_IO_STAT,
+       },
+};
+
+static const struct regmap_access_table volatile_regs = {
+       .yes_ranges = &volatile_ranges[0],
+       .n_yes_ranges = ARRAY_SIZE(volatile_ranges),
+};
+
+static struct regmap_config bd71828_regmap = {
+       .reg_bits = 8,
+       .val_bits = 8,
+       .volatile_table = &volatile_regs,
+       .max_register = BD71828_MAX_REGISTER,
+       .cache_type = REGCACHE_RBTREE,
+};
+
+/*
+ * 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.
+ */
+
+static unsigned int bit0_offsets[] = {11};             /* RTC IRQ */
+static unsigned int bit1_offsets[] = {10};             /* TEMP IRQ */
+static unsigned int bit2_offsets[] = {6, 7, 8, 9};     /* BAT MON IRQ */
+static unsigned int bit3_offsets[] = {5};              /* BAT IRQ */
+static unsigned int bit4_offsets[] = {4};              /* CHG IRQ */
+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[] = {
+       REGMAP_IRQ_MAIN_REG_OFFSET(bit0_offsets),
+       REGMAP_IRQ_MAIN_REG_OFFSET(bit1_offsets),
+       REGMAP_IRQ_MAIN_REG_OFFSET(bit2_offsets),
+       REGMAP_IRQ_MAIN_REG_OFFSET(bit3_offsets),
+       REGMAP_IRQ_MAIN_REG_OFFSET(bit4_offsets),
+       REGMAP_IRQ_MAIN_REG_OFFSET(bit5_offsets),
+       REGMAP_IRQ_MAIN_REG_OFFSET(bit6_offsets),
+       REGMAP_IRQ_MAIN_REG_OFFSET(bit7_offsets),
+};
+
+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),
+       REGMAP_IRQ_REG(BD71828_INT_BUCK3_OCP, 0, BD71828_INT_BUCK3_OCP_MASK),
+       REGMAP_IRQ_REG(BD71828_INT_BUCK4_OCP, 0, BD71828_INT_BUCK4_OCP_MASK),
+       REGMAP_IRQ_REG(BD71828_INT_BUCK5_OCP, 0, BD71828_INT_BUCK5_OCP_MASK),
+       REGMAP_IRQ_REG(BD71828_INT_BUCK6_OCP, 0, BD71828_INT_BUCK6_OCP_MASK),
+       REGMAP_IRQ_REG(BD71828_INT_BUCK7_OCP, 0, BD71828_INT_BUCK7_OCP_MASK),
+       REGMAP_IRQ_REG(BD71828_INT_PGFAULT, 0, BD71828_INT_PGFAULT_MASK),
+       /* DCIN1 interrupts */
+       REGMAP_IRQ_REG(BD71828_INT_DCIN_DET, 1, BD71828_INT_DCIN_DET_MASK),
+       REGMAP_IRQ_REG(BD71828_INT_DCIN_RMV, 1, BD71828_INT_DCIN_RMV_MASK),
+       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_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),
+       REGMAP_IRQ_REG(BD71828_INT_PUSH, 2, BD71828_INT_PUSH_MASK),
+       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),
+       /* 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_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),
+       /* 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),
+       /* 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),
+       /* 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),
+       /* 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),
+       /* 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),
+       /* 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_CHIP_OVER_125_RES, 10,
+                      BD71828_INT_TEMP_CHIP_OVER_125_RES_MASK),
+       REGMAP_IRQ_REG(BD71828_INT_TEMP_CHIP_OVER_125_DET, 10,
+                      BD71828_INT_TEMP_CHIP_OVER_125_DET_MASK),
+       REGMAP_IRQ_REG(BD71828_INT_TEMP_CHIP_OVER_VF_DET, 10,
+                      BD71828_INT_TEMP_CHIP_OVER_VF_DET_MASK),
+       REGMAP_IRQ_REG(BD71828_INT_TEMP_CHIP_OVER_VF_RES, 10,
+                      BD71828_INT_TEMP_CHIP_OVER_VF_RES_MASK),
+       /* RTC Alarm */
+       REGMAP_IRQ_REG(BD71828_INT_RTC0, 11, BD71828_INT_RTC0_MASK),
+       REGMAP_IRQ_REG(BD71828_INT_RTC1, 11, BD71828_INT_RTC1_MASK),
+       REGMAP_IRQ_REG(BD71828_INT_RTC2, 11, BD71828_INT_RTC2_MASK),
+};
+
+static struct regmap_irq_chip bd71828_irq_chip = {
+       .name = "bd71828_irq",
+       .main_status = BD71828_REG_INT_MAIN,
+       .irqs = &bd71828_irqs[0],
+       .num_irqs = ARRAY_SIZE(bd71828_irqs),
+       .status_base = BD71828_REG_INT_BUCK,
+       .mask_base = BD71828_REG_INT_MASK_BUCK,
+       .ack_base = BD71828_REG_INT_BUCK,
+       .mask_invert = true,
+       .init_ack_masked = true,
+       .num_regs = 12,
+       .num_main_regs = 1,
+       .sub_reg_offsets = &bd71828_sub_irq_offsets[0],
+       .num_main_status_bits = 8,
+       .irq_reg_stride = 1,
+};
+
+static int bd71828_i2c_probe(struct i2c_client *i2c)
+{
+       struct rohm_regmap_dev *chip;
+       struct regmap_irq_chip_data *irq_data;
+       int ret;
+
+       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);
+       }
+
+       ret = devm_regmap_add_irq_chip(&i2c->dev, chip->regmap,
+                                      i2c->irq, IRQF_ONESHOT, 0,
+                                      &bd71828_irq_chip, &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);
+
+       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));
+       if (ret)
+               dev_err(&i2c->dev, "Failed to create subdevices\n");
+
+       return ret;
+}
+
+static const struct of_device_id bd71828_of_match[] = {
+       { .compatible = "rohm,bd71828", },
+       { },
+};
+MODULE_DEVICE_TABLE(of, bd71828_of_match);
+
+static struct i2c_driver bd71828_drv = {
+       .driver = {
+               .name = "rohm-bd71828",
+               .of_match_table = bd71828_of_match,
+       },
+       .probe_new = &bd71828_i2c_probe,
+};
+module_i2c_driver(bd71828_drv);
+
+MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>");
+MODULE_DESCRIPTION("ROHM BD71828 Power Management IC driver");
+MODULE_LICENSE("GPL");
diff --git a/include/linux/mfd/rohm-bd71828.h b/include/linux/mfd/rohm-bd71828.h
new file mode 100644 (file)
index 0000000..eb0557e
--- /dev/null
@@ -0,0 +1,425 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* Copyright (C) 2019 ROHM Semiconductors */
+
+#ifndef __LINUX_MFD_BD71828_H__
+#define __LINUX_MFD_BD71828_H__
+
+#include <linux/mfd/rohm-generic.h>
+
+/* Regulator IDs */
+enum {
+       BD71828_BUCK1,
+       BD71828_BUCK2,
+       BD71828_BUCK3,
+       BD71828_BUCK4,
+       BD71828_BUCK5,
+       BD71828_BUCK6,
+       BD71828_BUCK7,
+       BD71828_LDO1,
+       BD71828_LDO2,
+       BD71828_LDO3,
+       BD71828_LDO4,
+       BD71828_LDO5,
+       BD71828_LDO6,
+       BD71828_LDO_SNVS,
+       BD71828_REGULATOR_AMOUNT,
+};
+
+#define BD71828_BUCK1267_VOLTS         0xEF
+#define BD71828_BUCK3_VOLTS            0x10
+#define BD71828_BUCK4_VOLTS            0x20
+#define BD71828_BUCK5_VOLTS            0x10
+#define BD71828_LDO_VOLTS              0x32
+/* LDO6 is fixed 1.8V voltage */
+#define BD71828_LDO_6_VOLTAGE          1800000
+
+/* Registers and masks*/
+
+/* MODE control */
+#define BD71828_REG_PS_CTRL_1          0x04
+#define BD71828_REG_PS_CTRL_2          0x05
+#define BD71828_REG_PS_CTRL_3          0x06
+
+//#define BD71828_REG_SWRESET          0x06
+#define BD71828_MASK_RUN_LVL_CTRL      0x30
+
+/* Regulator control masks */
+
+#define BD71828_MASK_RAMP_DELAY                0x6
+
+#define BD71828_MASK_RUN_EN            0x08
+#define BD71828_MASK_SUSP_EN           0x04
+#define BD71828_MASK_IDLE_EN           0x02
+#define BD71828_MASK_LPSR_EN           0x01
+
+#define BD71828_MASK_RUN0_EN           0x01
+#define BD71828_MASK_RUN1_EN           0x02
+#define BD71828_MASK_RUN2_EN           0x04
+#define BD71828_MASK_RUN3_EN           0x08
+
+#define BD71828_MASK_DVS_BUCK1_CTRL    0x10
+#define BD71828_DVS_BUCK1_CTRL_I2C     0
+#define BD71828_DVS_BUCK1_USE_RUNLVL   0x10
+
+#define BD71828_MASK_DVS_BUCK2_CTRL    0x20
+#define BD71828_DVS_BUCK2_CTRL_I2C     0
+#define BD71828_DVS_BUCK2_USE_RUNLVL   0x20
+
+#define BD71828_MASK_DVS_BUCK6_CTRL    0x40
+#define BD71828_DVS_BUCK6_CTRL_I2C     0
+#define BD71828_DVS_BUCK6_USE_RUNLVL   0x40
+
+#define BD71828_MASK_DVS_BUCK7_CTRL    0x80
+#define BD71828_DVS_BUCK7_CTRL_I2C     0
+#define BD71828_DVS_BUCK7_USE_RUNLVL   0x80
+
+#define BD71828_MASK_BUCK1267_VOLT     0xff
+#define BD71828_MASK_BUCK3_VOLT                0x1f
+#define BD71828_MASK_BUCK4_VOLT                0x3f
+#define BD71828_MASK_BUCK5_VOLT                0x1f
+#define BD71828_MASK_LDO_VOLT          0x3f
+
+/* Regulator control regs */
+#define BD71828_REG_BUCK1_EN           0x08
+#define BD71828_REG_BUCK1_CTRL         0x09
+#define BD71828_REG_BUCK1_MODE         0x0a
+#define BD71828_REG_BUCK1_IDLE_VOLT    0x0b
+#define BD71828_REG_BUCK1_SUSP_VOLT    0x0c
+#define BD71828_REG_BUCK1_VOLT         0x0d
+
+#define BD71828_REG_BUCK2_EN           0x12
+#define BD71828_REG_BUCK2_CTRL         0x13
+#define BD71828_REG_BUCK2_MODE         0x14
+#define BD71828_REG_BUCK2_IDLE_VOLT    0x15
+#define BD71828_REG_BUCK2_SUSP_VOLT    0x16
+#define BD71828_REG_BUCK2_VOLT         0x17
+
+#define BD71828_REG_BUCK3_EN           0x1c
+#define BD71828_REG_BUCK3_MODE         0x1d
+#define BD71828_REG_BUCK3_VOLT         0x1e
+
+#define BD71828_REG_BUCK4_EN           0x1f
+#define BD71828_REG_BUCK4_MODE         0x20
+#define BD71828_REG_BUCK4_VOLT         0x21
+
+#define BD71828_REG_BUCK5_EN           0x22
+#define BD71828_REG_BUCK5_MODE         0x23
+#define BD71828_REG_BUCK5_VOLT         0x24
+
+#define BD71828_REG_BUCK6_EN           0x25
+#define BD71828_REG_BUCK6_CTRL         0x26
+#define BD71828_REG_BUCK6_MODE         0x27
+#define BD71828_REG_BUCK6_IDLE_VOLT    0x28
+#define BD71828_REG_BUCK6_SUSP_VOLT    0x29
+#define BD71828_REG_BUCK6_VOLT         0x2a
+
+#define BD71828_REG_BUCK7_EN           0x2f
+#define BD71828_REG_BUCK7_CTRL         0x30
+#define BD71828_REG_BUCK7_MODE         0x31
+#define BD71828_REG_BUCK7_IDLE_VOLT    0x32
+#define BD71828_REG_BUCK7_SUSP_VOLT    0x33
+#define BD71828_REG_BUCK7_VOLT         0x34
+
+#define BD71828_REG_LDO1_EN            0x39
+#define BD71828_REG_LDO1_VOLT          0x3a
+#define BD71828_REG_LDO2_EN            0x3b
+#define BD71828_REG_LDO2_VOLT          0x3c
+#define BD71828_REG_LDO3_EN            0x3d
+#define BD71828_REG_LDO3_VOLT          0x3e
+#define BD71828_REG_LDO4_EN            0x3f
+#define BD71828_REG_LDO4_VOLT          0x40
+#define BD71828_REG_LDO5_EN            0x41
+#define BD71828_REG_LDO5_VOLT          0x43
+#define BD71828_REG_LDO5_VOLT_OPT      0x42
+#define BD71828_REG_LDO6_EN            0x44
+//#define BD71828_REG_LDO6_VOLT                0x4
+#define BD71828_REG_LDO7_EN            0x45
+#define BD71828_REG_LDO7_VOLT          0x46
+
+/* GPIO */
+
+#define BD71828_GPIO_DRIVE_MASK                0x2
+#define BD71828_GPIO_OPEN_DRAIN                0x0
+#define BD71828_GPIO_PUSH_PULL         0x2
+#define BD71828_GPIO_OUT_HI            0x1
+#define BD71828_GPIO_OUT_LO            0x0
+#define BD71828_GPIO_OUT_MASK          0x1
+
+#define BD71828_REG_GPIO_CTRL1         0x47
+#define BD71828_REG_GPIO_CTRL2         0x48
+#define BD71828_REG_GPIO_CTRL3         0x49
+#define BD71828_REG_IO_STAT            0xed
+
+/* RTC */
+#define BD71828_REG_RTC_SEC            0x4c
+#define BD71828_REG_RTC_MINUTE         0x4d
+#define BD71828_REG_RTC_HOUR           0x4e
+#define BD71828_REG_RTC_WEEK           0x4f
+#define BD71828_REG_RTC_DAY            0x50
+#define BD71828_REG_RTC_MONTH          0x51
+#define BD71828_REG_RTC_YEAR           0x52
+
+#define BD71828_REG_RTC_ALM0_SEC       0x53
+#define BD71828_REG_RTC_ALM0_MINUTE    0x54
+#define BD71828_REG_RTC_ALM0_HOUR      0x55
+#define BD71828_REG_RTC_ALM0_WEEK      0x56
+#define BD71828_REG_RTC_ALM0_DAY       0x57
+#define BD71828_REG_RTC_ALM0_MONTH     0x58
+#define BD71828_REG_RTC_ALM0_YEAR      0x59
+#define BD71828_REG_RTC_ALM0_MASK      0x61
+
+#define BD71828_REG_RTC_ALM1_SEC       0x5a
+#define BD71828_REG_RTC_ALM1_MINUTE    0x5b
+#define BD71828_REG_RTC_ALM1_HOUR      0x5c
+#define BD71828_REG_RTC_ALM1_WEEK      0x5d
+#define BD71828_REG_RTC_ALM1_DAY       0x5e
+#define BD71828_REG_RTC_ALM1_MONTH     0x5f
+#define BD71828_REG_RTC_ALM1_YEAR      0x60
+#define BD71828_REG_RTC_ALM1_MASK      0x62
+
+#define BD71828_REG_RTC_ALM2           0x63
+
+/* Charger/Battey */
+#define BD71828_REG_CHG_STATE          0x65
+#define BD71828_REG_CHG_FULL           0xd2
+
+/* CLK */
+#define BD71828_REG_OUT32K             0x4B
+
+/* LEDs */
+#define BD71828_REG_LED_CTRL           0x4A
+#define BD71828_MASK_LED_AMBER         0x80
+#define BD71828_MASK_LED_GREEN         0x40
+#define BD71828_LED_ON                 0xff
+#define BD71828_LED_OFF                        0x0
+
+/* IRQ registers */
+#define BD71828_REG_INT_MASK_BUCK      0xd3
+#define BD71828_REG_INT_MASK_DCIN1     0xd4
+#define BD71828_REG_INT_MASK_DCIN2     0xd5
+#define BD71828_REG_INT_MASK_VSYS      0xd6
+#define BD71828_REG_INT_MASK_CHG       0xd7
+#define BD71828_REG_INT_MASK_BAT       0xd8
+#define BD71828_REG_INT_MASK_BAT_MON1  0xd9
+#define BD71828_REG_INT_MASK_BAT_MON2  0xda
+#define BD71828_REG_INT_MASK_BAT_MON3  0xdb
+#define BD71828_REG_INT_MASK_BAT_MON4  0xdc
+#define BD71828_REG_INT_MASK_TEMP      0xdd
+#define BD71828_REG_INT_MASK_RTC       0xde
+
+
+#define BD71828_REG_INT_MAIN           0xdf
+#define BD71828_REG_INT_BUCK           0xe0
+#define BD71828_REG_INT_DCIN1          0xe1
+#define BD71828_REG_INT_DCIN2          0xe2
+#define BD71828_REG_INT_VSYS           0xe3
+#define BD71828_REG_INT_CHG            0xe4
+#define BD71828_REG_INT_BAT            0xe5
+#define BD71828_REG_INT_BAT_MON1       0xe6
+#define BD71828_REG_INT_BAT_MON2       0xe7
+#define BD71828_REG_INT_BAT_MON3       0xe8
+#define BD71828_REG_INT_BAT_MON4       0xe9
+#define BD71828_REG_INT_TEMP           0xea
+#define BD71828_REG_INT_RTC            0xeb
+#define BD71828_REG_INT_UPDATE         0xec
+
+#define BD71828_MAX_REGISTER BD71828_REG_IO_STAT
+
+/* Masks for main IRQ register bits */
+enum {
+       BD71828_INT_BUCK,
+#define BD71828_INT_BUCK_MASK BIT(BD71828_INT_BUCK)
+       BD71828_INT_DCIN,
+#define BD71828_INT_DCIN_MASK BIT(BD71828_INT_DCIN)
+       BD71828_INT_VSYS,
+#define BD71828_INT_VSYS_MASK BIT(BD71828_INT_VSYS)
+       BD71828_INT_CHG,
+#define BD71828_INT_CHG_MASK BIT(BD71828_INT_CHG)
+       BD71828_INT_BAT,
+#define BD71828_INT_BAT_MASK BIT(BD71828_INT_BAT)
+       BD71828_INT_BAT_MON,
+#define BD71828_INT_BAT_MON_MASK BIT(BD71828_INT_BAT_MON)
+       BD71828_INT_TEMP,
+#define BD71828_INT_TEMP_MASK BIT(BD71828_INT_TEMP)
+       BD71828_INT_RTC,
+#define BD71828_INT_RTC_MASK BIT(BD71828_INT_RTC)
+};
+
+/* Interrupts */
+enum {
+       /* BUCK reg interrupts */
+       BD71828_INT_BUCK1_OCP,
+       BD71828_INT_BUCK2_OCP,
+       BD71828_INT_BUCK3_OCP,
+       BD71828_INT_BUCK4_OCP,
+       BD71828_INT_BUCK5_OCP,
+       BD71828_INT_BUCK6_OCP,
+       BD71828_INT_BUCK7_OCP,
+       BD71828_INT_PGFAULT,
+       /* DCIN1 interrupts */
+       BD71828_INT_DCIN_DET,
+       BD71828_INT_DCIN_RMV,
+       BD71828_INT_CLPS_OUT,
+       BD71828_INT_CLPS_IN,
+       /* DCIN2 interrupts */
+       BD71828_INT_DCIN_MON_RES,
+       BD71828_INT_DCIN_MON_DET,
+       BD71828_INT_LONGPUSH,
+       BD71828_INT_MIDPUSH,
+       BD71828_INT_SHORTPUSH,
+       BD71828_INT_PUSH,
+       BD71828_INT_WDOG,
+       BD71828_INT_SWRESET,
+       /* Vsys */
+       BD71828_INT_VSYS_UV_RES,
+       BD71828_INT_VSYS_UV_DET,
+       BD71828_INT_VSYS_LOW_RES,
+       BD71828_INT_VSYS_LOW_DET,
+       BD71828_INT_VSYS_HALL_IN,
+       BD71828_INT_VSYS_HALL_TOGGLE,
+       BD71828_INT_VSYS_MON_RES,
+       BD71828_INT_VSYS_MON_DET,
+       /* Charger */
+       BD71828_INT_CHG_DCIN_ILIM,
+       BD71828_INT_CHG_TOPOFF_TO_DONE,
+       BD71828_INT_CHG_WDG_TEMP,
+       BD71828_INT_CHG_WDG_TIME,
+       BD71828_INT_CHG_RECHARGE_RES,
+       BD71828_INT_CHG_RECHARGE_DET,
+       BD71828_INT_CHG_RANGED_TEMP_TRANSITION,
+       BD71828_INT_CHG_STATE_TRANSITION,
+       /* Battery */
+       BD71828_INT_BAT_TEMP_NORMAL,
+       BD71828_INT_BAT_TEMP_ERANGE,
+       BD71828_INT_BAT_TEMP_WARN,
+       BD71828_INT_BAT_REMOVED,
+       BD71828_INT_BAT_DETECTED,
+       BD71828_INT_THERM_REMOVED,
+       BD71828_INT_THERM_DETECTED,
+       /* Battery Mon 1 */
+       BD71828_INT_BAT_DEAD,
+       BD71828_INT_BAT_SHORTC_RES,
+       BD71828_INT_BAT_SHORTC_DET,
+       BD71828_INT_BAT_LOW_VOLT_RES,
+       BD71828_INT_BAT_LOW_VOLT_DET,
+       BD71828_INT_BAT_OVER_VOLT_RES,
+       BD71828_INT_BAT_OVER_VOLT_DET,
+       /* Battery Mon 2 */
+       BD71828_INT_BAT_MON_RES,
+       BD71828_INT_BAT_MON_DET,
+       /* Battery Mon 3 (Coulomb counter) */
+       BD71828_INT_BAT_CC_MON1,
+       BD71828_INT_BAT_CC_MON2,
+       BD71828_INT_BAT_CC_MON3,
+       /* Battery Mon 4 */
+       BD71828_INT_BAT_OVER_CURR_1_RES,
+       BD71828_INT_BAT_OVER_CURR_1_DET,
+       BD71828_INT_BAT_OVER_CURR_2_RES,
+       BD71828_INT_BAT_OVER_CURR_2_DET,
+       BD71828_INT_BAT_OVER_CURR_3_RES,
+       BD71828_INT_BAT_OVER_CURR_3_DET,
+       /* Temperature */
+       BD71828_INT_TEMP_BAT_LOW_RES,
+       BD71828_INT_TEMP_BAT_LOW_DET,
+       BD71828_INT_TEMP_BAT_HI_RES,
+       BD71828_INT_TEMP_BAT_HI_DET,
+       BD71828_INT_TEMP_CHIP_OVER_125_RES,
+       BD71828_INT_TEMP_CHIP_OVER_125_DET,
+       BD71828_INT_TEMP_CHIP_OVER_VF_DET,
+       BD71828_INT_TEMP_CHIP_OVER_VF_RES,
+       /* RTC Alarm */
+       BD71828_INT_RTC0,
+       BD71828_INT_RTC1,
+       BD71828_INT_RTC2,
+};
+
+#define BD71828_INT_BUCK1_OCP_MASK                     0x1
+#define BD71828_INT_BUCK2_OCP_MASK                     0x2
+#define BD71828_INT_BUCK3_OCP_MASK                     0x4
+#define BD71828_INT_BUCK4_OCP_MASK                     0x8
+#define BD71828_INT_BUCK5_OCP_MASK                     0x10
+#define BD71828_INT_BUCK6_OCP_MASK                     0x20
+#define BD71828_INT_BUCK7_OCP_MASK                     0x40
+#define BD71828_INT_PGFAULT_MASK                       0x80
+
+#define BD71828_INT_DCIN_DET_MASK                      0x1
+#define BD71828_INT_DCIN_RMV_MASK                      0x2
+#define BD71828_INT_CLPS_OUT_MASK                      0x4
+#define BD71828_INT_CLPS_IN_MASK                       0x8
+       /* DCIN2 interrupts */
+#define BD71828_INT_DCIN_MON_RES_MASK                  0x1
+#define BD71828_INT_DCIN_MON_DET_MASK                  0x2
+#define BD71828_INT_LONGPUSH_MASK                      0x4
+#define BD71828_INT_MIDPUSH_MASK                       0x8
+#define BD71828_INT_SHORTPUSH_MASK                     0x10
+#define BD71828_INT_PUSH_MASK                          0x20
+#define BD71828_INT_WDOG_MASK                          0x40
+#define BD71828_INT_SWRESET_MASK                       0x80
+       /* Vsys */
+#define BD71828_INT_VSYS_UV_RES_MASK                   0x1
+#define BD71828_INT_VSYS_UV_DET_MASK                   0x2
+#define BD71828_INT_VSYS_LOW_RES_MASK                  0x4
+#define BD71828_INT_VSYS_LOW_DET_MASK                  0x8
+#define BD71828_INT_VSYS_HALL_IN_MASK                  0x10
+#define BD71828_INT_VSYS_HALL_TOGGLE_MASK              0x20
+#define BD71828_INT_VSYS_MON_RES_MASK                  0x40
+#define BD71828_INT_VSYS_MON_DET_MASK                  0x80
+       /* Charger */
+#define BD71828_INT_CHG_DCIN_ILIM_MASK                 0x1
+#define BD71828_INT_CHG_TOPOFF_TO_DONE_MASK            0x2
+#define BD71828_INT_CHG_WDG_TEMP_MASK                  0x4
+#define BD71828_INT_CHG_WDG_TIME_MASK                  0x8
+#define BD71828_INT_CHG_RECHARGE_RES_MASK              0x10
+#define BD71828_INT_CHG_RECHARGE_DET_MASK              0x20
+#define BD71828_INT_CHG_RANGED_TEMP_TRANSITION_MASK    0x40
+#define BD71828_INT_CHG_STATE_TRANSITION_MASK          0x80
+       /* Battery */
+#define BD71828_INT_BAT_TEMP_NORMAL_MASK               0x1
+#define BD71828_INT_BAT_TEMP_ERANGE_MASK               0x2
+#define BD71828_INT_BAT_TEMP_WARN_MASK                 0x4
+#define BD71828_INT_BAT_REMOVED_MASK                   0x10
+#define BD71828_INT_BAT_DETECTED_MASK                  0x20
+#define BD71828_INT_THERM_REMOVED_MASK                 0x40
+#define BD71828_INT_THERM_DETECTED_MASK                        0x80
+       /* Battery Mon 1 */
+#define BD71828_INT_BAT_DEAD_MASK                      0x2
+#define BD71828_INT_BAT_SHORTC_RES_MASK                        0x4
+#define BD71828_INT_BAT_SHORTC_DET_MASK                        0x8
+#define BD71828_INT_BAT_LOW_VOLT_RES_MASK              0x10
+#define BD71828_INT_BAT_LOW_VOLT_DET_MASK              0x20
+#define BD71828_INT_BAT_OVER_VOLT_RES_MASK             0x40
+#define BD71828_INT_BAT_OVER_VOLT_DET_MASK             0x80
+       /* Battery Mon 2 */
+#define BD71828_INT_BAT_MON_RES_MASK                   0x1
+#define BD71828_INT_BAT_MON_DET_MASK                   0x2
+       /* Battery Mon 3 (Coulomb counter) */
+#define BD71828_INT_BAT_CC_MON1_MASK                   0x1
+#define BD71828_INT_BAT_CC_MON2_MASK                   0x2
+#define BD71828_INT_BAT_CC_MON3_MASK                   0x4
+       /* Battery Mon 4 */
+#define BD71828_INT_BAT_OVER_CURR_1_RES_MASK           0x1
+#define BD71828_INT_BAT_OVER_CURR_1_DET_MASK           0x2
+#define BD71828_INT_BAT_OVER_CURR_2_RES_MASK           0x4
+#define BD71828_INT_BAT_OVER_CURR_2_DET_MASK           0x8
+#define BD71828_INT_BAT_OVER_CURR_3_RES_MASK           0x10
+#define BD71828_INT_BAT_OVER_CURR_3_DET_MASK           0x20
+       /* Temperature */
+#define BD71828_INT_TEMP_BAT_LOW_RES_MASK              0x1
+#define BD71828_INT_TEMP_BAT_LOW_DET_MASK              0x2
+#define BD71828_INT_TEMP_BAT_HI_RES_MASK               0x4
+#define BD71828_INT_TEMP_BAT_HI_DET_MASK               0x8
+#define BD71828_INT_TEMP_CHIP_OVER_125_RES_MASK                0x10
+#define BD71828_INT_TEMP_CHIP_OVER_125_DET_MASK                0x20
+#define BD71828_INT_TEMP_CHIP_OVER_VF_RES_MASK         0x40
+#define BD71828_INT_TEMP_CHIP_OVER_VF_DET_MASK         0x80
+       /* RTC Alarm */
+#define BD71828_INT_RTC0_MASK                          0x1
+#define BD71828_INT_RTC1_MASK                          0x2
+#define BD71828_INT_RTC2_MASK                          0x4
+
+#define BD71828_OUT32K_EN                              0x1
+#define BD71828_OUT_TYPE_MASK                          0x2
+#define BD71828_OUT_TYPE_OPEN_DRAIN                    0x0
+#define BD71828_OUT_TYPE_CMOS                          0x2
+
+#endif /* __LINUX_MFD_BD71828_H__ */
index 922f880..ff3dd75 100644 (file)
@@ -8,6 +8,7 @@ enum rohm_chip_type {
        ROHM_CHIP_TYPE_BD71837 = 0,
        ROHM_CHIP_TYPE_BD71847,
        ROHM_CHIP_TYPE_BD70528,
+       ROHM_CHIP_TYPE_BD71828,
        ROHM_CHIP_TYPE_AMOUNT
 };