88pm886 and 88pm880 are combo PMIC chip, which integrates
regulator, onkey, rtc, gpadc, charger, fuelgauge function;
this patch add the basic support for them, adding related resource, such as
interrupt, preparing for the client-device driver
Signed-off-by: Yi Zhang <yizhang@xxxxxxxxxxx>
---
drivers/mfd/88pm880-table.c | 173 ++++++++++++
drivers/mfd/88pm886-table.c | 173 ++++++++++++
drivers/mfd/88pm88x-core.c | 584 ++++++++++++++++++++++++++++++++++++++++
drivers/mfd/88pm88x-i2c.c | 167 ++++++++++++
drivers/mfd/88pm88x-irq.c | 171 ++++++++++++
drivers/mfd/88pm88x.h | 51 ++++
drivers/mfd/Kconfig | 12 +
drivers/mfd/Makefile | 3 +
include/linux/mfd/88pm880-reg.h | 98 +++++++
include/linux/mfd/88pm880.h | 59 ++++
include/linux/mfd/88pm886-reg.h | 59 ++++
include/linux/mfd/88pm886.h | 55 ++++
include/linux/mfd/88pm88x-reg.h | 118 ++++++++
include/linux/mfd/88pm88x.h | 202 ++++++++++++++
14 files changed, 1925 insertions(+)
create mode 100644 drivers/mfd/88pm880-table.c
create mode 100644 drivers/mfd/88pm886-table.c
create mode 100644 drivers/mfd/88pm88x-core.c
create mode 100644 drivers/mfd/88pm88x-i2c.c
create mode 100644 drivers/mfd/88pm88x-irq.c
create mode 100644 drivers/mfd/88pm88x.h
create mode 100644 include/linux/mfd/88pm880-reg.h
create mode 100644 include/linux/mfd/88pm880.h
create mode 100644 include/linux/mfd/88pm886-reg.h
create mode 100644 include/linux/mfd/88pm886.h
create mode 100644 include/linux/mfd/88pm88x-reg.h
create mode 100644 include/linux/mfd/88pm88x.h
diff --git a/drivers/mfd/88pm880-table.c b/drivers/mfd/88pm880-table.c
new file mode 100644
index 0000000..28ca860
--- /dev/null
+++ b/drivers/mfd/88pm880-table.c
@@ -0,0 +1,173 @@
+/*
+ * Marvell 88PM880 specific setting
+ *
+ * Copyright (C) 2015 Marvell International Ltd.
+ * Yi Zhang <yizhang@xxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/mfd/88pm88x.h>
+#include <linux/mfd/88pm880.h>
+#include <linux/mfd/88pm880-reg.h>
+#include <linux/mfd/88pm88x-reg.h>
+
+#include "88pm88x.h"
+
+#define PM880_BUCK_NAME "88pm880-buck"
+#define PM880_LDO_NAME "88pm880-ldo"
+
+const struct regmap_config pm880_base_i2c_regmap = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = 0xfe,
+};
+
+const struct regmap_config pm880_power_i2c_regmap = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = 0xfe,
+};
+
+const struct regmap_config pm880_gpadc_i2c_regmap = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = 0xfe,
+};
+
+const struct regmap_config pm880_battery_i2c_regmap = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = 0xfe,
+};
+
+const struct regmap_config pm880_test_i2c_regmap = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = 0xfe,
+};
+
+static const struct resource buck_resources[] = {
+ {
+ .name = PM880_BUCK_NAME,
+ },
+};
+
+static const struct resource ldo_resources[] = {
+ {
+ .name = PM880_LDO_NAME,
+ },
+};
+
+const struct mfd_cell pm880_cell_devs[] = {
+ CELL_DEV(PM880_BUCK_NAME, buck_resources, "marvell,88pm880-buck1a", 0),
+ CELL_DEV(PM880_BUCK_NAME, buck_resources, "marvell,88pm880-buck2", 1),
+ CELL_DEV(PM880_BUCK_NAME, buck_resources, "marvell,88pm880-buck3", 2),
+ CELL_DEV(PM880_BUCK_NAME, buck_resources, "marvell,88pm880-buck4", 3),
+ CELL_DEV(PM880_BUCK_NAME, buck_resources, "marvell,88pm880-buck5", 4),
+ CELL_DEV(PM880_BUCK_NAME, buck_resources, "marvell,88pm880-buck6", 5),
+ CELL_DEV(PM880_BUCK_NAME, buck_resources, "marvell,88pm880-buck7", 6),
+ CELL_DEV(PM880_LDO_NAME, ldo_resources, "marvell,88pm880-ldo1", 7),
+ CELL_DEV(PM880_LDO_NAME, ldo_resources, "marvell,88pm880-ldo2", 8),
+ CELL_DEV(PM880_LDO_NAME, ldo_resources, "marvell,88pm880-ldo3", 9),
+ CELL_DEV(PM880_LDO_NAME, ldo_resources, "marvell,88pm880-ldo4", 10),
+ CELL_DEV(PM880_LDO_NAME, ldo_resources, "marvell,88pm880-ldo5", 11),
+ CELL_DEV(PM880_LDO_NAME, ldo_resources, "marvell,88pm880-ldo6", 12),
+ CELL_DEV(PM880_LDO_NAME, ldo_resources, "marvell,88pm880-ldo7", 13),
+ CELL_DEV(PM880_LDO_NAME, ldo_resources, "marvell,88pm880-ldo8", 14),
+ CELL_DEV(PM880_LDO_NAME, ldo_resources, "marvell,88pm880-ldo9", 15),
+ CELL_DEV(PM880_LDO_NAME, ldo_resources, "marvell,88pm880-ldo10", 16),
+ CELL_DEV(PM880_LDO_NAME, ldo_resources, "marvell,88pm880-ldo11", 17),
+ CELL_DEV(PM880_LDO_NAME, ldo_resources, "marvell,88pm880-ldo12", 18),
+ CELL_DEV(PM880_LDO_NAME, ldo_resources, "marvell,88pm880-ldo13", 19),
+ CELL_DEV(PM880_LDO_NAME, ldo_resources, "marvell,88pm880-ldo14", 20),
+ CELL_DEV(PM880_LDO_NAME, ldo_resources, "marvell,88pm880-ldo15", 21),
+ CELL_DEV(PM880_LDO_NAME, ldo_resources, "marvell,88pm880-ldo16", 22),
+ CELL_DEV(PM880_LDO_NAME, ldo_resources, "marvell,88pm880-ldo17", 23),
+ CELL_DEV(PM880_LDO_NAME, ldo_resources, "marvell,88pm880-ldo18", 24),
+};
+
+struct pmic_cell_info pm880_cell_info = {
+ .cells = pm880_cell_devs,
+ .cell_nr = ARRAY_SIZE(pm880_cell_devs),
+};
+
+static const struct reg_default pm880_base_patch[] = {
+ {PM88X_WDOG, 0x1}, /* disable watchdog */
+ {PM88X_AON_CTRL2, 0x2a}, /* output 32kHZ from XO */
+ {PM88X_BK_OSC_CTRL1, 0x0f}, /* OSC_FREERUN = 1, to lock FLL */
+ {PM88X_LOWPOWER2, 0x20}, /* XO_LJ = 1, enable low jitter for 32kHZ */
+ /* enable LPM for internal reference group in sleep */
+ {PM88X_LOWPOWER4, 0xc0},
+ {PM88X_BK_OSC_CTRL3, 0xc0}, /* set the duty cycle of charger DC/DC to max */
+};
+
+static const struct reg_default pm880_power_patch[] = {
+};
+
+static const struct reg_default pm880_gpadc_patch[] = {
+ {PM88X_GPADC_CONFIG6, 0x03}, /* enable non-stop mode */
+};
+
+static const struct reg_default pm880_battery_patch[] = {
+ {PM88X_CHGBK_CONFIG6, 0xe1},
+};
+
+static const struct reg_default pm880_test_patch[] = {
+};
+
+/* 88pm880 chip itself related */
+int pm880_apply_patch(struct pm88x_chip *chip)
+{
+ int ret, size;
+
+ if (!chip || !chip->base_regmap || !chip->power_regmap ||
+ !chip->gpadc_regmap || !chip->battery_regmap ||
+ !chip->test_regmap)
+ return -EINVAL;
+
+ size = ARRAY_SIZE(pm880_base_patch);
+ if (size == 0)
+ goto power;
+ ret = regmap_register_patch(chip->base_regmap, pm880_base_patch, size);
+ if (ret < 0)
+ return ret;
+
+power:
+ size = ARRAY_SIZE(pm880_power_patch);
+ if (size == 0)
+ goto gpadc;
+ ret = regmap_register_patch(chip->power_regmap, pm880_power_patch, size);
+ if (ret < 0)
+ return ret;
+
+gpadc:
+ size = ARRAY_SIZE(pm880_gpadc_patch);
+ if (size == 0)
+ goto battery;
+ ret = regmap_register_patch(chip->gpadc_regmap, pm880_gpadc_patch, size);
+ if (ret < 0)
+ return ret;
+battery:
+ size = ARRAY_SIZE(pm880_battery_patch);
+ if (size == 0)
+ goto test;
+ ret = regmap_register_patch(chip->battery_regmap, pm880_battery_patch, size);
+ if (ret < 0)
+ return ret;
+
+test:
+ size = ARRAY_SIZE(pm880_test_patch);
+ if (size == 0)
+ goto out;
+ ret = regmap_register_patch(chip->test_regmap, pm880_test_patch, size);
+ if (ret < 0)
+ return ret;
+out:
+ return 0;
+}
+EXPORT_SYMBOL_GPL(pm880_apply_patch);
diff --git a/drivers/mfd/88pm886-table.c b/drivers/mfd/88pm886-table.c
new file mode 100644
index 0000000..897ee82
--- /dev/null
+++ b/drivers/mfd/88pm886-table.c
@@ -0,0 +1,173 @@
+/*
+ * Marvell 88PM886 specific setting
+ *
+ * Copyright (C) 2015 Marvell International Ltd.
+ * Yi Zhang <yizhang@xxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/mfd/88pm88x.h>
+#include <linux/mfd/88pm886.h>
+#include <linux/mfd/88pm886-reg.h>
+#include <linux/mfd/88pm88x-reg.h>
+
+#include "88pm88x.h"
+
+#define PM886_BUCK_NAME "88pm886-buck"
+#define PM886_LDO_NAME "88pm886-ldo"
+
+const struct regmap_config pm886_base_i2c_regmap = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = 0xfe,
+};
+
+const struct regmap_config pm886_power_i2c_regmap = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = 0xfe,
+};
+
+const struct regmap_config pm886_gpadc_i2c_regmap = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = 0xfe,
+};
+
+const struct regmap_config pm886_battery_i2c_regmap = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = 0xfe,
+};
+
+const struct regmap_config pm886_test_i2c_regmap = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = 0xfe,
+};
+
+static const struct resource buck_resources[] = {
+ {
+ .name = PM886_BUCK_NAME,
+ },
+};
+
+static const struct resource ldo_resources[] = {
+ {
+ .name = PM886_LDO_NAME,
+ },
+};
+
+const struct mfd_cell pm886_cell_devs[] = {
+ CELL_DEV(PM886_BUCK_NAME, buck_resources, "marvell,88pm886-buck1", 0),
+ CELL_DEV(PM886_BUCK_NAME, buck_resources, "marvell,88pm886-buck2", 1),
+ CELL_DEV(PM886_BUCK_NAME, buck_resources, "marvell,88pm886-buck3", 2),
+ CELL_DEV(PM886_BUCK_NAME, buck_resources, "marvell,88pm886-buck4", 3),
+ CELL_DEV(PM886_BUCK_NAME, buck_resources, "marvell,88pm886-buck5", 4),
+ CELL_DEV(PM886_LDO_NAME, ldo_resources, "marvell,88pm886-ldo1", 5),
+ CELL_DEV(PM886_LDO_NAME, ldo_resources, "marvell,88pm886-ldo2", 6),
+ CELL_DEV(PM886_LDO_NAME, ldo_resources, "marvell,88pm886-ldo3", 7),
+ CELL_DEV(PM886_LDO_NAME, ldo_resources, "marvell,88pm886-ldo4", 8),
+ CELL_DEV(PM886_LDO_NAME, ldo_resources, "marvell,88pm886-ldo5", 9),
+ CELL_DEV(PM886_LDO_NAME, ldo_resources, "marvell,88pm886-ldo6", 10),
+ CELL_DEV(PM886_LDO_NAME, ldo_resources, "marvell,88pm886-ldo7", 11),
+ CELL_DEV(PM886_LDO_NAME, ldo_resources, "marvell,88pm886-ldo8", 12),
+ CELL_DEV(PM886_LDO_NAME, ldo_resources, "marvell,88pm886-ldo9", 13),
+ CELL_DEV(PM886_LDO_NAME, ldo_resources, "marvell,88pm886-ldo10", 14),
+ CELL_DEV(PM886_LDO_NAME, ldo_resources, "marvell,88pm886-ldo11", 15),
+ CELL_DEV(PM886_LDO_NAME, ldo_resources, "marvell,88pm886-ldo12", 16),
+ CELL_DEV(PM886_LDO_NAME, ldo_resources, "marvell,88pm886-ldo13", 17),
+ CELL_DEV(PM886_LDO_NAME, ldo_resources, "marvell,88pm886-ldo14", 18),
+ CELL_DEV(PM886_LDO_NAME, ldo_resources, "marvell,88pm886-ldo15", 19),
+ CELL_DEV(PM886_LDO_NAME, ldo_resources, "marvell,88pm886-ldo16", 20),
+};
+
+struct pmic_cell_info pm886_cell_info = {
+ .cells = pm886_cell_devs,
+ .cell_nr = ARRAY_SIZE(pm886_cell_devs),
+};
+
+static const struct reg_default pm886_base_patch[] = {
+ {PM88X_WDOG, 0x1}, /* disable watchdog */
+ {PM88X_GPIO_CTRL1, 0x40}, /* gpio1: dvc , gpio0: input */
+ {PM88X_GPIO_CTRL2, 0x00}, /* , gpio2: input */
+ {PM88X_GPIO_CTRL3, 0x44}, /* dvc2 , dvc1 */
+ {PM88X_GPIO_CTRL4, 0x00}, /* gpio5v_1:input, gpio5v_2: input*/
+ {PM88X_AON_CTRL2, 0x2a}, /* output 32kHZ from XO */
+ {PM88X_BK_OSC_CTRL1, 0x0f}, /* OSC_FREERUN = 1, to lock FLL */
+ {PM88X_LOWPOWER2, 0x20}, /* XO_LJ = 1, enable low jitter for 32kHZ */
+ /* enable LPM for internal reference group in sleep */
+ {PM88X_LOWPOWER4, 0xc0},
+ {PM88X_BK_OSC_CTRL3, 0xc0}, /* set the duty cycle of charger DC/DC to max */
+};
+
+static const struct reg_default pm886_power_patch[] = {
+};
+
+static const struct reg_default pm886_gpadc_patch[] = {
+ {PM88X_GPADC_CONFIG6, 0x03}, /* enable non-stop mode */
+};
+
+static const struct reg_default pm886_battery_patch[] = {
+ {PM88X_CHGBK_CONFIG6, 0xe1},
+};
+
+static const struct reg_default pm886_test_patch[] = {
+};
+
+/* 88pm886 chip itself related */
+int pm886_apply_patch(struct pm88x_chip *chip)
+{
+ int ret, size;
+
+ if (!chip || !chip->base_regmap || !chip->power_regmap ||
+ !chip->gpadc_regmap || !chip->battery_regmap ||
+ !chip->test_regmap)
+ return -EINVAL;
+
+ size = ARRAY_SIZE(pm886_base_patch);
+ if (size == 0)
+ goto power;
+ ret = regmap_register_patch(chip->base_regmap, pm886_base_patch, size);
+ if (ret < 0)
+ return ret;
+
+power:
+ size = ARRAY_SIZE(pm886_power_patch);
+ if (size == 0)
+ goto gpadc;
+ ret = regmap_register_patch(chip->power_regmap, pm886_power_patch, size);
+ if (ret < 0)
+ return ret;
+
+gpadc:
+ size = ARRAY_SIZE(pm886_gpadc_patch);
+ if (size == 0)
+ goto battery;
+ ret = regmap_register_patch(chip->gpadc_regmap, pm886_gpadc_patch, size);
+ if (ret < 0)
+ return ret;
+battery:
+ size = ARRAY_SIZE(pm886_battery_patch);
+ if (size == 0)
+ goto test;
+ ret = regmap_register_patch(chip->battery_regmap, pm886_battery_patch, size);
+ if (ret < 0)
+ return ret;
+
+test:
+ size = ARRAY_SIZE(pm886_test_patch);
+ if (size == 0)
+ goto out;
+ ret = regmap_register_patch(chip->test_regmap, pm886_test_patch, size);
+ if (ret < 0)
+ return ret;
+out:
+ return 0;
+}
+EXPORT_SYMBOL_GPL(pm886_apply_patch);
diff --git a/drivers/mfd/88pm88x-core.c b/drivers/mfd/88pm88x-core.c
new file mode 100644
index 0000000..343e0a0
--- /dev/null
+++ b/drivers/mfd/88pm88x-core.c
@@ -0,0 +1,584 @@
+/*
+ * Base driver for Marvell 88PM886/88PM880 PMIC
+ *
+ * Copyright (C) 2015 Marvell International Ltd.
+ * Yi Zhang <yizhang@xxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/i2c.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/irqdomain.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/88pm88x.h>
+#include <linux/mfd/88pm886.h>
+#include <linux/mfd/88pm880.h>
+#include <linux/regulator/machine.h>
+
+#include "88pm88x.h"
+
+#define PM88X_POWER_UP_LOG (0x17)
+#define PM88X_POWER_DOWN_LOG1 (0xe5)
+#define PM88X_POWER_DOWN_LOG2 (0xe6)
+#define PM88X_SW_PDOWN (1 << 5)
+
+static const struct resource onkey_resources[] = {
+ CELL_IRQ_RESOURCE(PM88X_ONKEY_NAME, PM88X_IRQ_ONKEY),
+};
+
+static const struct resource rtc_resources[] = {
+ CELL_IRQ_RESOURCE(PM88X_RTC_NAME, PM88X_IRQ_RTC),
+};
+
+static const struct resource charger_resources[] = {
+ CELL_IRQ_RESOURCE("88pm88x-chg-fail", PM88X_IRQ_CHG_FAIL),
+ CELL_IRQ_RESOURCE("88pm88x-chg-done", PM88X_IRQ_CHG_DONE),
+ CELL_IRQ_RESOURCE("88pm88x-chg-good", PM88X_IRQ_CHG_GOOD),
+};
+
+static const struct resource battery_resources[] = {
+ CELL_IRQ_RESOURCE("88pm88x-bat-cc", PM88X_IRQ_CC),
+ CELL_IRQ_RESOURCE("88pm88x-bat-volt", PM88X_IRQ_VBAT),
+ CELL_IRQ_RESOURCE("88pm88x-bat-detect", PM88X_IRQ_BAT_DET),
+};
+
+static const struct resource headset_resources[] = {
+ CELL_IRQ_RESOURCE("88pm88x-headset-det", PM88X_IRQ_HS_DET),
+ CELL_IRQ_RESOURCE("88pm88x-mic-det", PM88X_IRQ_MIC_DET),
+};
+
+static const struct resource vbus_resources[] = {
+ CELL_IRQ_RESOURCE("88pm88x-vbus-det", PM88X_IRQ_VBUS),
+ CELL_IRQ_RESOURCE("88pm88x-gpadc0", PM88X_IRQ_GPADC0),
+ CELL_IRQ_RESOURCE("88pm88x-gpadc1", PM88X_IRQ_GPADC1),
+ CELL_IRQ_RESOURCE("88pm88x-gpadc2", PM88X_IRQ_GPADC2),
+ CELL_IRQ_RESOURCE("88pm88x-gpadc3", PM88X_IRQ_GPADC3),
+ CELL_IRQ_RESOURCE("88pm88x-otg-fail", PM88X_IRQ_OTG_FAIL),
+};
+
+static const struct resource leds_resources[] = {
+ CELL_IRQ_RESOURCE("88pm88x-cfd-fail", PM88X_IRQ_CFD_FAIL),
+};
+
+static const struct resource dvc_resources[] = {
+ {
+ .name = PM88X_DVC_NAME,
+ },
+};
+
+static const struct resource rgb_resources[] = {
+ {
+ .name = PM88X_RGB_NAME,
+ },
+};
+
+static const struct resource gpadc_resources[] = {
+ {
+ .name = PM88X_GPADC_NAME,
+ },
+};
+
+static const struct mfd_cell common_cell_devs[] = {
+ CELL_DEV(PM88X_RTC_NAME, rtc_resources, "marvell,88pm88x-rtc", -1),
+ CELL_DEV(PM88X_ONKEY_NAME, onkey_resources, "marvell,88pm88x-onkey", -1),
+ CELL_DEV(PM88X_CHARGER_NAME, charger_resources, "marvell,88pm88x-charger", -1),
+ CELL_DEV(PM88X_BATTERY_NAME, battery_resources, "marvell,88pm88x-battery", -1),
+ CELL_DEV(PM88X_HEADSET_NAME, headset_resources, "marvell,88pm88x-headset", -1),
+ CELL_DEV(PM88X_VBUS_NAME, vbus_resources, "marvell,88pm88x-vbus", -1),
+ CELL_DEV(PM88X_CFD_NAME, leds_resources, "marvell,88pm88x-leds", PM88X_FLASH_LED),
+ CELL_DEV(PM88X_CFD_NAME, leds_resources, "marvell,88pm88x-leds", PM88X_TORCH_LED),
+ CELL_DEV(PM88X_DVC_NAME, dvc_resources, "marvell,88pm88x-dvc", -1),
+ CELL_DEV(PM88X_RGB_NAME, rgb_resources, "marvell,88pm88x-rgb0", PM88X_RGB_LED0),
+ CELL_DEV(PM88X_RGB_NAME, rgb_resources, "marvell,88pm88x-rgb1", PM88X_RGB_LED1),
+ CELL_DEV(PM88X_RGB_NAME, rgb_resources, "marvell,88pm88x-rgb2", PM88X_RGB_LED2),
+ CELL_DEV(PM88X_GPADC_NAME, gpadc_resources, "marvell,88pm88x-gpadc", -1),
+};
+
+const struct of_device_id pm88x_of_match[] = {
+ { .compatible = "marvell,88pm886", .data = (void *)PM886 },
+ { .compatible = "marvell,88pm880", .data = (void *)PM880 },
+ {},
+};
+
+struct pm88x_chip *pm88x_init_chip(struct i2c_client *client)
+{
+ struct pm88x_chip *chip;
+
+ chip = devm_kzalloc(&client->dev, sizeof(struct pm88x_chip), GFP_KERNEL);
+ if (!chip)
+ return ERR_PTR(-ENOMEM);
+
+ chip->client = client;
+ chip->irq = client->irq;
+ chip->dev = &client->dev;
+ chip->ldo_page_addr = client->addr + 1;
+ chip->power_page_addr = client->addr + 1;
+ chip->gpadc_page_addr = client->addr + 2;
+ chip->battery_page_addr = client->addr + 3;
+ chip->buck_page_addr = client->addr + 4;
+ chip->test_page_addr = client->addr + 7;
+
+ dev_set_drvdata(chip->dev, chip);
+ i2c_set_clientdata(chip->client, chip);
+
+ device_init_wakeup(&client->dev, 1);
+
+ return chip;
+}
+
+int pm88x_parse_dt(struct device_node *np, struct pm88x_chip *chip)
+{
+ if (!chip)
+ return -EINVAL;
+
+ chip->irq_mode =
+ !of_property_read_bool(np, "marvell,88pm88x-irq-write-clear");
+
+ return 0;
+}
+
+
+static void parse_powerup_down_log(struct pm88x_chip *chip)
+{
+ int powerup, powerdown1, powerdown2, bit;
+ int powerup_bits, powerdown1_bits, powerdown2_bits;
+ static const char * const powerup_name[] = {
+ "ONKEY_WAKEUP ",
+ "CHG_WAKEUP ",
+ "EXTON_WAKEUP ",
+ "SMPL_WAKEUP ",
+ "ALARM_WAKEUP ",
+ "FAULT_WAKEUP ",
+ "BAT_WAKEUP ",
+ "WLCHG_WAKEUP ",
+ };
+ static const char * const powerdown1_name[] = {
+ "OVER_TEMP ",
+ "UV_VANA5 ",
+ "SW_PDOWN ",
+ "FL_ALARM ",
+ "WD ",
+ "LONG_ONKEY",
+ "OV_VSYS ",
+ "RTC_RESET "
+ };
+ static const char * const powerdown2_name[] = {
+ "HYB_DONE ",
+ "UV_VBAT ",
+ "HW_RESET2 ",
+ "PGOOD_PDOWN",
+ "LONKEY_RTC ",
+ "HW_RESET1 ",
+ };
+
+ regmap_read(chip->base_regmap, PM88X_POWER_UP_LOG, &powerup);
+ regmap_read(chip->base_regmap, PM88X_POWER_DOWN_LOG1, &powerdown1);
+ regmap_read(chip->base_regmap, PM88X_POWER_DOWN_LOG2, &powerdown2);
+
+ /*
+ * mask reserved bits
+ *
+ * note: HYB_DONE and HW_RESET1 are kept,
+ * but should not be considered as power down events
+ */
+ switch (chip->type) {
+ case PM886:
+ powerup &= 0x7f;
+ powerdown2 &= 0x1f;
+ powerup_bits = 7;
+ powerdown1_bits = 8;
+ powerdown2_bits = 5;
+ break;
+ case PM880:
+ powerdown2 &= 0x3f;
+ powerup_bits = 8;
+ powerdown1_bits = 8;
+ powerdown2_bits = 6;
+ break;
+ default:
+ return;
+ }
+
+ /* keep globals for external usage */
+ chip->powerup = powerup;
+ chip->powerdown1 = powerdown1;
+ chip->powerdown2 = powerdown2;
+
+ /* power up log */
+ dev_info(chip->dev, "powerup log 0x%x: 0x%x\n",
+ PM88X_POWER_UP_LOG, powerup);
+ dev_info(chip->dev, " ----------------------------\n");
+ dev_info(chip->dev, "| name(power up) | status |\n");
+ dev_info(chip->dev, "|-----------------|----------|\n");
+ for (bit = 0; bit < powerup_bits; bit++)
+ dev_info(chip->dev, "| %s | %x |\n",
+ powerup_name[bit], (powerup >> bit) & 1);
+ dev_info(chip->dev, " ----------------------------\n");
+
+ /* power down log1 */
+ dev_info(chip->dev, "PowerDW Log1 0x%x: 0x%x\n",
+ PM88X_POWER_DOWN_LOG1, powerdown1);
+ dev_info(chip->dev, " -------------------------------\n");
+ dev_info(chip->dev, "| name(power down1) | status |\n");
+ dev_info(chip->dev, "|--------------------|----------|\n");
+ for (bit = 0; bit < powerdown1_bits; bit++)
+ dev_info(chip->dev, "| %s | %x |\n",
+ powerdown1_name[bit], (powerdown1 >> bit) & 1);
+ dev_info(chip->dev, " -------------------------------\n");
+
+ /* power down log2 */
+ dev_info(chip->dev, "PowerDW Log2 0x%x: 0x%x\n",
+ PM88X_POWER_DOWN_LOG2, powerdown2);
+ dev_info(chip->dev, " -------------------------------\n");
+ dev_info(chip->dev, "| name(power down2) | status |\n");
+ dev_info(chip->dev, "|--------------------|----------|\n");
+ for (bit = 0; bit < powerdown2_bits; bit++)
+ dev_info(chip->dev, "| %s | %x |\n",
+ powerdown2_name[bit], (powerdown2 >> bit) & 1);
+ dev_info(chip->dev, " -------------------------------\n");
+
+ /* write to clear power down log */
+ regmap_write(chip->base_regmap, PM88X_POWER_DOWN_LOG1, 0xff);
+ regmap_write(chip->base_regmap, PM88X_POWER_DOWN_LOG2, 0xff);
+}
+
+static const char *chip_stepping_to_string(unsigned int id)
+{
+ switch (id) {
+ case 0xa1:
+ return "88pm886 A1";
+ case 0xb1:
+ return "88pm880 A1";
+ default:
+ return "Unknown";
+ }
+}
+
+int pm88x_post_init_chip(struct pm88x_chip *chip)
+{
+ int ret;
+ unsigned int val;
+
+ if (!chip || !chip->base_regmap || !chip->power_regmap ||
+ !chip->gpadc_regmap || !chip->battery_regmap)
+ return -EINVAL;
+
+ /* save chip stepping */
+ ret = regmap_read(chip->base_regmap, PM88X_ID_REG, &val);
+ if (ret < 0) {
+ dev_err(chip->dev, "Failed to read chip ID: %d\n", ret);
+ return ret;
+ }
+ chip->chip_id = val;
+
+ dev_info(chip->dev, "PM88X chip ID = 0x%x(%s)\n", val,
+ chip_stepping_to_string(chip->chip_id));
+
+ /* read before alarm wake up bit before initialize interrupt */
+ ret = regmap_read(chip->base_regmap, PM88X_RTC_ALARM_CTRL1, &val);
+ if (ret < 0) {
+ dev_err(chip->dev, "Failed to read RTC register: %d\n", ret);
+ return ret;
+ }
+ chip->rtc_wakeup = !!(val & PM88X_ALARM_WAKEUP);
+
+ parse_powerup_down_log(chip);
+
+ return 0;
+}
+
+int pm88x_init_pages(struct pm88x_chip *chip)
+{
+ struct i2c_client *client = chip->client;
+ const struct regmap_config *base_regmap_config;
+ const struct regmap_config *power_regmap_config;
+ const struct regmap_config *gpadc_regmap_config;
+ const struct regmap_config *battery_regmap_config;
+ const struct regmap_config *test_regmap_config;
+ int ret = 0;
+
+ if (!chip || !chip->power_page_addr ||
+ !chip->gpadc_page_addr || !chip->battery_page_addr)
+ return -ENODEV;
+
+ chip->type = pm88x_of_get_type(&client->dev);
+ switch (chip->type) {
+ case PM886:
+ base_regmap_config = &pm886_base_i2c_regmap;
+ power_regmap_config = &pm886_power_i2c_regmap;
+ gpadc_regmap_config = &pm886_gpadc_i2c_regmap;
+ battery_regmap_config = &pm886_battery_i2c_regmap;
+ test_regmap_config = &pm886_test_i2c_regmap;
+ break;
+ case PM880:
+ base_regmap_config = &pm880_base_i2c_regmap;
+ power_regmap_config = &pm880_power_i2c_regmap;
+ gpadc_regmap_config = &pm880_gpadc_i2c_regmap;
+ battery_regmap_config = &pm880_battery_i2c_regmap;
+ test_regmap_config = &pm880_test_i2c_regmap;
+ break;
+ default:
+ return -ENODEV;
+ }
+
+ /* base page */
+ chip->base_regmap = devm_regmap_init_i2c(client, base_regmap_config);
+ if (IS_ERR(chip->base_regmap)) {
+ dev_err(chip->dev, "Failed to init base_regmap: %d\n", ret);
+ ret = PTR_ERR(chip->base_regmap);
+ goto out;
+ }
+
+ /* power page */
+ chip->power_page = i2c_new_dummy(client->adapter, chip->power_page_addr);
+ if (!chip->power_page) {
+ dev_err(chip->dev, "Failed to new power_page: %d\n", ret);
+ ret = -ENODEV;
+ goto out;
+ }
+ chip->power_regmap = devm_regmap_init_i2c(chip->power_page,
+ power_regmap_config);
+ if (IS_ERR(chip->power_regmap)) {
+ dev_err(chip->dev, "Failed to init power_regmap: %d\n", ret);
+ ret = PTR_ERR(chip->power_regmap);
+ goto out;
+ }
+
+ /* gpadc page */
+ chip->gpadc_page = i2c_new_dummy(client->adapter, chip->gpadc_page_addr);
+ if (!chip->gpadc_page) {
+ dev_err(chip->dev, "Failed to new gpadc_page: %d\n", ret);
+ ret = -ENODEV;
+ goto out;
+ }
+ chip->gpadc_regmap = devm_regmap_init_i2c(chip->gpadc_page,
+ gpadc_regmap_config);
+ if (IS_ERR(chip->gpadc_regmap)) {
+ dev_err(chip->dev, "Failed to init gpadc_regmap: %d\n", ret);
+ ret = PTR_ERR(chip->gpadc_regmap);
+ goto out;
+ }
+
+ /* battery page */
+ chip->battery_page = i2c_new_dummy(client->adapter, chip->battery_page_addr);
+ if (!chip->battery_page) {
+ dev_err(chip->dev, "Failed to new gpadc_page: %d\n", ret);
+ ret = -ENODEV;
+ goto out;
+ }
+ chip->battery_regmap = devm_regmap_init_i2c(chip->battery_page,
+ battery_regmap_config);
+ if (IS_ERR(chip->battery_regmap)) {
+ dev_err(chip->dev, "Failed to init battery_regmap: %d\n", ret);
+ ret = PTR_ERR(chip->battery_regmap);
+ goto out;
+ }
+
+ /* test page */
+ chip->test_page = i2c_new_dummy(client->adapter, chip->test_page_addr);
+ if (!chip->test_page) {
+ dev_err(chip->dev, "Failed to new test_page: %d\n", ret);
+ ret = -ENODEV;
+ goto out;
+ }
+ chip->test_regmap = devm_regmap_init_i2c(chip->test_page,
+ test_regmap_config);
+ if (IS_ERR(chip->test_regmap)) {
+ dev_err(chip->dev, "Failed to init test_regmap: %d\n", ret);
+ ret = PTR_ERR(chip->test_regmap);
+ goto out;
+ }
+
+ chip->type = pm88x_of_get_type(&client->dev);
+ switch (chip->type) {
+ case PM886:
+ /* ldo page */
+ chip->ldo_page = chip->power_page;
+ chip->ldo_regmap = chip->power_regmap;
+ /* buck page */
+ chip->buck_regmap = chip->power_regmap;
+ break;
+ case PM880:
+ /* ldo page */
+ chip->ldo_page = chip->power_page;
+ chip->ldo_regmap = chip->power_regmap;
+
+ /* buck page */
+ chip->buck_page = i2c_new_dummy(client->adapter,
+ chip->buck_page_addr);
+ if (!chip->buck_page) {
+ dev_err(chip->dev, "Failed to new buck_page: %d\n", ret);
+ ret = -ENODEV;
+ goto out;
+ }
+ chip->buck_regmap = devm_regmap_init_i2c(chip->buck_page,
+ power_regmap_config);
+ if (IS_ERR(chip->buck_regmap)) {
+ dev_err(chip->dev, "Failed to init buck_regmap: %d\n", ret);
+ ret = PTR_ERR(chip->buck_regmap);
+ goto out;
+ }
+
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+out:
+ return ret;
+}
+
+void pm800_exit_pages(struct pm88x_chip *chip)
+{
+ if (!chip)
+ return;
+
+ if (chip->ldo_page)
+ i2c_unregister_device(chip->ldo_page);
+ if (chip->gpadc_page)
+ i2c_unregister_device(chip->gpadc_page);
+ if (chip->test_page)
+ i2c_unregister_device(chip->test_page);
+ /* no need to unregister ldo_page */
+ switch (chip->type) {
+ case PM886:
+ break;
+ case PM880:
+ if (chip->buck_page)
+ i2c_unregister_device(chip->buck_page);
+ break;
+ default:
+ break;
+ }
+}
+
+int pm88x_init_subdev(struct pm88x_chip *chip)
+{
+ int ret;
+ if (!chip)
+ return -EINVAL;
+
+ ret = mfd_add_devices(chip->dev, 0, common_cell_devs,
+ ARRAY_SIZE(common_cell_devs), NULL, 0,
+ regmap_irq_get_domain(chip->irq_data));
+ if (ret < 0)
+ return ret;
+
+ switch (chip->type) {
+ case PM886:
+ ret = mfd_add_devices(chip->dev, 0, pm886_cell_info.cells,
+ pm886_cell_info.cell_nr, NULL, 0,
+ regmap_irq_get_domain(chip->irq_data));
+ break;
+ case PM880:
+ ret = mfd_add_devices(chip->dev, 0, pm880_cell_info.cells,
+ pm880_cell_info.cell_nr, NULL, 0,
+ regmap_irq_get_domain(chip->irq_data));
+ break;
+ default:
+ break;
+ }
+ return ret;
+}
+
+static int (*apply_to_chip)(struct pm88x_chip *chip);
+/* PMIC chip itself related */
+int pm88x_apply_patch(struct pm88x_chip *chip)
+{
+ if (!chip || !chip->client)
+ return -EINVAL;
+
+ chip->type = pm88x_of_get_type(&chip->client->dev);
+ switch (chip->type) {
+ case PM886:
+ apply_to_chip = pm886_apply_patch;
+ break;
+ case PM880:
+ apply_to_chip = pm880_apply_patch;
+ break;
+ default:
+ break;
+ }
+ if (apply_to_chip)
+ apply_to_chip(chip);
+ return 0;
+}
+
+int pm88x_stepping_fixup(struct pm88x_chip *chip)
+{
+ if (!chip || !chip->client)
+ return -EINVAL;
+
+ chip->type = pm88x_of_get_type(&chip->client->dev);
+ switch (chip->type) {
+ case PM886:
+ case PM880:
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+int pm88x_apply_board_fixup(struct pm88x_chip *chip, struct device_node *np)
+{
+ /* add board design specific setting, parsed via device tree */
+ return 0;
+}
+
+long pm88x_of_get_type(struct device *dev)
+{
+ const struct of_device_id *id = of_match_device(pm88x_of_match, dev);
+
+ if (id)
+ return (long)id->data;
+ else
+ return 0;
+}
+
+void pm88x_dev_exit(struct pm88x_chip *chip)
+{
+ mfd_remove_devices(chip->dev);
+ pm88x_irq_exit(chip);
+}
+
+void pm88x_power_off(void)
+{
+ pr_info("powers off the system.");
+ /* TODO: implement later */
+
+ for (;;)
+ cpu_relax();
+}
+
+int pm88x_reboot_notifier_callback(struct notifier_block *this,
+ unsigned long code, void *unused)
+{
+ struct pm88x_chip *chip =
+ container_of(this, struct pm88x_chip, reboot_notifier);
+
+ switch (code) {
+ case SYS_HALT:
+ case SYS_POWER_OFF:
+ dev_info(chip->dev, "system is down.\n");
+ break;
+ case SYS_RESTART:
+ default:
+ dev_info(chip->dev, "system will reboot.\n");
+ break;
+ }
+
+ return 0;
+}
diff --git a/drivers/mfd/88pm88x-i2c.c b/drivers/mfd/88pm88x-i2c.c
new file mode 100644
index 0000000..36842ed
--- /dev/null
+++ b/drivers/mfd/88pm88x-i2c.c
@@ -0,0 +1,167 @@
+/*
+ * 88pm88x-i2c.c -- 88pm88x i2c bus interface
+ *
+ * Copyright (C) 2015 Marvell International Ltd.
+ * Yi Zhang <yizhang@xxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/err.h>
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/pm_runtime.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+#include <linux/slab.h>
+#include <linux/of.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/88pm886.h>
+#include <linux/mfd/88pm880.h>
+#include <linux/mfd/88pm88x.h>
+
+static int pm88x_i2c_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct pm88x_chip *chip;
+ struct device_node *node = client->dev.of_node;
+ int ret = 0;
+
+ chip = pm88x_init_chip(client);
+ if (IS_ERR(chip)) {
+ ret = PTR_ERR(chip);
+ dev_err(chip->dev, "initialize 88pm88x chip fails!\n");
+ goto err;
+ }
+
+ ret = pm88x_parse_dt(node, chip);
+ if (ret < 0) {
+ dev_err(chip->dev, "parse dt fails!\n");
+ goto err;
+ }
+
+ ret = pm88x_init_pages(chip);
+ if (ret) {
+ dev_err(chip->dev, "initialize 88pm88x pages fails!\n");
+ goto err;
+ }
+
+ ret = pm88x_post_init_chip(chip);
+ if (ret) {
+ dev_err(chip->dev, "post initialize 88pm88x fails!\n");
+ goto err;
+ }
+
+ ret = pm88x_irq_init(chip);
+ if (ret) {
+ dev_err(chip->dev, "initialize 88pm88x interrupt fails!\n");
+ goto err_init_irq;
+ }
+
+ ret = pm88x_init_subdev(chip);
+ if (ret) {
+ dev_err(chip->dev, "initialize 88pm88x sub-device fails\n");
+ goto err_init_subdev;
+ }
+
+ /* patch for PMIC chip itself */
+ ret = pm88x_apply_patch(chip);
+ if (ret) {
+ dev_err(chip->dev, "apply 88pm88x register patch fails\n");
+ goto err_apply_patch;
+ }
+
+ /* fixup according PMIC stepping */
+ ret = pm88x_stepping_fixup(chip);
+ if (ret) {
+ dev_err(chip->dev, "fixup according to chip stepping\n");
+ goto err_apply_patch;
+ }
+
+ /* patch for board configuration */
+ ret = pm88x_apply_board_fixup(chip, node);
+ if (ret) {
+ dev_err(chip->dev, "apply 88pm88x register for board fails\n");
+ goto err_apply_patch;
+ }
+
+ pm_power_off = pm88x_power_off;
+
+ chip->reboot_notifier.notifier_call = pm88x_reboot_notifier_callback;
+ register_reboot_notifier(&(chip->reboot_notifier));
+
+ return 0;
+
+err_apply_patch:
+ mfd_remove_devices(chip->dev);
+err_init_subdev:
+ regmap_del_irq_chip(chip->irq, chip->irq_data);
+err_init_irq:
+ pm800_exit_pages(chip);
+err:
+ return ret;
+}
+
+static int pm88x_i2c_remove(struct i2c_client *i2c)
+{
+ struct pm88x_chip *chip = dev_get_drvdata(&i2c->dev);
+ pm88x_dev_exit(chip);
+ return 0;
+}
+
+static const struct i2c_device_id pm88x_i2c_id[] = {
+ { "88pm886", PM886 },
+ { "88pm880", PM880 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, pm88x_i2c_id);
+
+static int pm88x_i2c_suspend(struct device *dev)
+{
+ return 0;
+}
+
+static int pm88x_i2c_resume(struct device *dev)
+{
+ return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(pm88x_pm_ops, pm88x_i2c_suspend, pm88x_i2c_resume);
+
+static struct i2c_driver pm88x_i2c_driver = {
+ .driver = {
+ .name = "88pm88x",
+ .owner = THIS_MODULE,
+ .pm = &pm88x_pm_ops,
+ .of_match_table = of_match_ptr(pm88x_of_match),
+ },
+ .probe = pm88x_i2c_probe,
+ .remove = pm88x_i2c_remove,
+ .id_table = pm88x_i2c_id,
+};
+
+static int __init pm88x_i2c_init(void)
+{
+ int ret;
+
+ ret = i2c_add_driver(&pm88x_i2c_driver);
+ if (ret != 0) {
+ pr_err("88pm88x I2C registration failed %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+subsys_initcall(pm88x_i2c_init);
+
+static void __exit pm88x_i2c_exit(void)
+{
+ i2c_del_driver(&pm88x_i2c_driver);
+}
+module_exit(pm88x_i2c_exit);
+
+MODULE_DESCRIPTION("88pm88x I2C bus interface");
+MODULE_AUTHOR("Yi Zhang<yizhang@xxxxxxxxxxx>");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/mfd/88pm88x-irq.c b/drivers/mfd/88pm88x-irq.c
new file mode 100644
index 0000000..0126df0
--- /dev/null
+++ b/drivers/mfd/88pm88x-irq.c
@@ -0,0 +1,171 @@
+/*
+ * 88pm886 interrupt support
+ *
+ * Copyright (C) 2015 Marvell International Ltd.
+ * Yi Zhang <yizhang@xxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/irqdomain.h>
+#include <linux/pm_runtime.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+#include <linux/slab.h>
+#include <linux/mfd/88pm88x.h>
+#include <linux/mfd/88pm886.h>
+#include <linux/mfd/88pm880.h>
+
+/* interrupt status registers */
+#define PM88X_INT_STATUS1 (0x05)
+
+#define PM88X_INT_ENA_1 (0x0a)
+#define PM88X_ONKEY_INT_ENA1 (1 << 0)
+#define PM88X_EXTON_INT_ENA1 (1 << 1)
+#define PM88X_CHG_INT_ENA1 (1 << 2)
+#define PM88X_BAT_INT_ENA1 (1 << 3)
+#define PM88X_RTC_INT_ENA1 (1 << 4)
+#define PM88X_CLASSD_INT_ENA1 (1 << 5)
+#define PM88X_XO_INT_ENA1 (1 << 6)
+#define PM88X_GPIO_INT_ENA1 (1 << 7)
+
+#define PM88X_INT_ENA_2 (0x0b)
+#define PM88X_VBAT_INT_ENA2 (1 << 0)
+#define PM88X_RSVED1_INT_ENA2 (1 << 1)
+#define PM88X_VBUS_INT_ENA2 (1 << 2)
+#define PM88X_ITEMP_INT_ENA2 (1 << 3)
+#define PM88X_BUCK_PGOOD_INT_ENA2 (1 << 4)
+#define PM88X_LDO_PGOOD_INT_ENA2 (1 << 5)
+#define PM88X_RSVED6_INT_ENA2 (1 << 6)
+#define PM88X_RSVED7_INT_ENA2 (1 << 7)
+
+#define PM88X_INT_ENA_3 (0x0c)
+#define PM88X_GPADC0_INT_ENA3 (1 << 0)
+#define PM88X_GPADC1_INT_ENA3 (1 << 1)
+#define PM88X_GPADC2_INT_ENA3 (1 << 2)
+#define PM88X_GPADC3_INT_ENA3 (1 << 3)
+#define PM88X_MIC_INT_ENA3 (1 << 4)
+#define PM88X_HS_INT_ENA3 (1 << 5)
+#define PM88X_GND_INT_ENA3 (1 << 6)
+#define PM88X_RSVED7_INT_ENA3 (1 << 7)
+
+#define PM88X_INT_ENA_4 (0x0d)
+#define PM88X_CHG_FAIL_INT_ENA4 (1 << 0)
+#define PM88X_CHG_DONE_INT_ENA4 (1 << 1)
+#define PM88X_RSVED2_INT_ENA4 (1 << 2)
+#define PM88X_OTG_FAIL_INT_ENA4 (1 << 3)
+#define PM88X_RSVED4_INT_ENA4 (1 << 4)
+#define PM88X_CHG_ILIM_INT_ENA4 (1 << 5)
+#define PM88X_CC_INT_ENA4 (1 << 6)
+#define PM88X_RSVED7_INT_ENA4 (1 << 7)
+
+#define PM88X_MISC_CONFIG2 (0x15)
+#define PM88X_INV_INT (1 << 0)
+#define PM88X_INT_CLEAR (1 << 1)
+#define PM88X_INT_RC (0 << 1)
+#define PM88X_INT_WC (1 << 1)
+#define PM88X_INT_MASK_MODE (1 << 2)
+
+static const struct regmap_irq pm88x_irqs[] = {
+ /* INT0 */
+ [PM88X_IRQ_ONKEY] = {.reg_offset = 0, .mask = PM88X_ONKEY_INT_ENA1,},
+ [PM88X_IRQ_EXTON] = {.reg_offset = 0, .mask = PM88X_EXTON_INT_ENA1,},
+ [PM88X_IRQ_CHG_GOOD] = {.reg_offset = 0, .mask = PM88X_CHG_INT_ENA1,},
+ [PM88X_IRQ_BAT_DET] = {.reg_offset = 0, .mask = PM88X_BAT_INT_ENA1,},
+ [PM88X_IRQ_RTC] = {.reg_offset = 0, .mask = PM88X_RTC_INT_ENA1,},
+ [PM88X_IRQ_CLASSD] = { .reg_offset = 0, .mask = PM88X_CLASSD_INT_ENA1,},
+ [PM88X_IRQ_XO] = {.reg_offset = 0, .mask = PM88X_XO_INT_ENA1,},
+ [PM88X_IRQ_GPIO] = {.reg_offset = 0, .mask = PM88X_GPIO_INT_ENA1,},
+
+ /* INT1 */
+ [PM88X_IRQ_VBAT] = {.reg_offset = 1, .mask = PM88X_VBAT_INT_ENA2,},
+ [PM88X_IRQ_VBUS] = {.reg_offset = 1, .mask = PM88X_VBUS_INT_ENA2,},
+ [PM88X_IRQ_ITEMP] = {.reg_offset = 1, .mask = PM88X_ITEMP_INT_ENA2,},
+ [PM88X_IRQ_BUCK_PGOOD] = {
+ .reg_offset = 1,
+ .mask = PM88X_BUCK_PGOOD_INT_ENA2,
+ },
+ [PM88X_IRQ_LDO_PGOOD] = {
+ .reg_offset = 1,
+ .mask = PM88X_LDO_PGOOD_INT_ENA2,
+ },
+ /* INT2 */
+ [PM88X_IRQ_GPADC0] = {.reg_offset = 2, .mask = PM88X_GPADC0_INT_ENA3,},
+ [PM88X_IRQ_GPADC1] = {.reg_offset = 2, .mask = PM88X_GPADC1_INT_ENA3,},
+ [PM88X_IRQ_GPADC2] = {.reg_offset = 2, .mask = PM88X_GPADC2_INT_ENA3,},
+ [PM88X_IRQ_GPADC3] = {.reg_offset = 2, .mask = PM88X_GPADC3_INT_ENA3,},
+ [PM88X_IRQ_MIC_DET] = {.reg_offset = 2, .mask = PM88X_MIC_INT_ENA3,},
+ [PM88X_IRQ_HS_DET] = {.reg_offset = 2, .mask = PM88X_HS_INT_ENA3,},
+ [PM88X_IRQ_GND_DET] = {.reg_offset = 2, .mask = PM88X_GND_INT_ENA3,},
+
+ /* INT3 */
+ [PM88X_IRQ_CHG_FAIL] = {
+ .reg_offset = 3,
+ .mask = PM88X_CHG_FAIL_INT_ENA4,
+ },
+ [PM88X_IRQ_CHG_DONE] = {
+ .reg_offset = 3,
+ .mask = PM88X_CHG_DONE_INT_ENA4,
+ },
+ [PM88X_IRQ_OTG_FAIL] = {
+ .reg_offset = 3,
+ .mask = PM88X_OTG_FAIL_INT_ENA4,
+ },
+ [PM88X_IRQ_CHG_ILIM] = {
+ .reg_offset = 3,
+ .mask = PM88X_CHG_ILIM_INT_ENA4,
+ },
+ [PM88X_IRQ_CC] = {.reg_offset = 3, .mask = PM88X_CC_INT_ENA4,},
+};
+
+struct regmap_irq_chip pm88x_irq_chip = {
+ .name = "88pm88x",
+ .irqs = pm88x_irqs,
+ .num_irqs = ARRAY_SIZE(pm88x_irqs),
+
+ .num_regs = 4,
+ .status_base = PM88X_INT_STATUS1,
+ .mask_base = PM88X_INT_ENA_1,
+ .ack_base = PM88X_INT_STATUS1,
+ .mask_invert = 1,
+};
+
+int pm88x_irq_init(struct pm88x_chip *chip)
+{
+ int mask, data, ret;
+ struct regmap *map;
+
+ if (!chip || !chip->base_regmap || !chip->irq) {
+ pr_err("cannot initialize interrupt!\n");
+ return -EINVAL;
+ }
+ map = chip->base_regmap;
+
+ /*
+ * irq_mode defines the way of clearing interrupt.
+ * it's read-clear by default.
+ */
+ mask = PM88X_INV_INT | PM88X_INT_CLEAR | PM88X_INT_MASK_MODE;
+ data = (chip->irq_mode) ? PM88X_INT_WC : PM88X_INT_RC;
+ ret = regmap_update_bits(map, PM88X_MISC_CONFIG2, mask, data);
+ if (ret < 0) {
+ dev_err(chip->dev, "cannot set interrupt mode!\n");
+ return ret;
+ }
+
+ ret = regmap_add_irq_chip(map, chip->irq, IRQF_ONESHOT, -1,
+ &pm88x_irq_chip, &chip->irq_data);
+ return ret;
+}
+
+int pm88x_irq_exit(struct pm88x_chip *chip)
+{
+ regmap_del_irq_chip(chip->irq, chip->irq_data);
+ return 0;
+}
diff --git a/drivers/mfd/88pm88x.h b/drivers/mfd/88pm88x.h
new file mode 100644
index 0000000..a85a486
--- /dev/null
+++ b/drivers/mfd/88pm88x.h
@@ -0,0 +1,51 @@
+#ifndef _MFD_88PM88X_H
+#define _MFD_88PM88X_H
+
+#include <linux/kernel.h>
+#include <linux/of.h>
+#include <linux/regmap.h>
+#include <linux/mfd/core.h>
+
+struct pmic_cell_info {
+ const struct mfd_cell *cells;
+ int cell_nr;
+};
+
+#define CELL_IRQ_RESOURCE(_name, _irq) { \
+ .name = _name, \
+ .start = _irq, .end = _irq, \
+ .flags = IORESOURCE_IRQ, \
+ }
+#define CELL_DEV(_name, _r, _compatible, _id) { \
+ .name = _name, \
+ .of_compatible = _compatible, \
+ .num_resources = ARRAY_SIZE(_r), \
+ .resources = _r, \
+ .id = _id, \
+ }
+
+/* 88pm886 */
+extern const struct regmap_config pm886_base_i2c_regmap;
+extern const struct regmap_config pm886_power_i2c_regmap;
+extern const struct regmap_config pm886_gpadc_i2c_regmap;
+extern const struct regmap_config pm886_battery_i2c_regmap;
+extern const struct regmap_config pm886_test_i2c_regmap;
+
+extern const struct mfd_cell pm886_cell_devs[];
+extern struct pmic_cell_info pm886_cell_info;
+
+int pm886_apply_patch(struct pm88x_chip *chip);
+
+/* 88pm880 */
+extern const struct regmap_config pm880_base_i2c_regmap;
+extern const struct regmap_config pm880_power_i2c_regmap;
+extern const struct regmap_config pm880_gpadc_i2c_regmap;
+extern const struct regmap_config pm880_battery_i2c_regmap;
+extern const struct regmap_config pm880_test_i2c_regmap;
+
+extern const struct mfd_cell pm880_cell_devs[];
+extern struct pmic_cell_info pm880_cell_info;
+
+int pm880_apply_patch(struct pm88x_chip *chip);
+
+#endif
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index d5ad04d..bdebca9 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -390,6 +390,18 @@ config MFD_KEMPLD
This driver can also be built as a module. If so, the module
will be called kempld-core.
+config MFD_88PM88X
+ tristate "Marvell 88PM886/880 PMIC"
+ depends on I2C=y
+ select REGMAP_I2C
+ select MFD_CORE
+ help
+ This supports for Marvell 88PM88X Series Power Management IC:
+ 88pm886 and 88pm880;
+ This includes the I2C driver, the interrupt resource distribution
+ and the core APIs, for individual sub-device as voltage regulators,
+ RTC, charger, fuelgauge, etc, select under the corresponding menus.
+
config MFD_88PM800
tristate "Marvell 88PM800"
depends on I2C=y
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 0e5cfeb..365d1fa 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -6,6 +6,9 @@
obj-$(CONFIG_MFD_88PM860X) += 88pm860x.o
obj-$(CONFIG_MFD_88PM800) += 88pm800.o 88pm80x.o
obj-$(CONFIG_MFD_88PM805) += 88pm805.o 88pm80x.o
+88pm88x-objs := 88pm88x-core.o 88pm88x-i2c.o 88pm88x-irq.o 88pm886-table.o 88pm880-table.o
+obj-$(CONFIG_MFD_88PM88X) += 88pm88x.o
+
obj-$(CONFIG_MFD_SM501) += sm501.o
obj-$(CONFIG_MFD_ASIC3) += asic3.o tmio_core.o
obj-$(CONFIG_MFD_BCM590XX) += bcm590xx.o
diff --git a/include/linux/mfd/88pm880-reg.h b/include/linux/mfd/88pm880-reg.h
new file mode 100644
index 0000000..fdf2315
--- /dev/null
+++ b/include/linux/mfd/88pm880-reg.h
@@ -0,0 +1,98 @@
+/*
+ * Marvell 88PM880 registers
+ *
+ * Copyright (C) 2014 Marvell International Ltd.
+ * Yi Zhang <yizhang@xxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __LINUX_MFD_88PM880_REG_H
+#define __LINUX_MFD_88PM880_REG_H
+
+#define PM880_BUCK1_VOUT (0x28)
+
+#define PM880_BUCK1A_VOUT (0x28) /* voltage 0 */
+#define PM880_BUCK1A_1_VOUT (0x29)
+#define PM880_BUCK1A_2_VOUT (0x2a)
+#define PM880_BUCK1A_3_VOUT (0x2b)
+#define PM880_BUCK1A_4_VOUT (0x2c)
+#define PM880_BUCK1A_5_VOUT (0x2d)
+#define PM880_BUCK1A_6_VOUT (0x2e)
+#define PM880_BUCK1A_7_VOUT (0x2f)
+#define PM880_BUCK1A_8_VOUT (0x30)
+#define PM880_BUCK1A_9_VOUT (0x31)
+#define PM880_BUCK1A_10_VOUT (0x32)
+#define PM880_BUCK1A_11_VOUT (0x33)
+#define PM880_BUCK1A_12_VOUT (0x34)
+#define PM880_BUCK1A_13_VOUT (0x35)
+#define PM880_BUCK1A_14_VOUT (0x36)
+#define PM880_BUCK1A_15_VOUT (0x37)
+
+#define PM880_BUCK1B_VOUT (0x40)
+#define PM880_BUCK1B_1_VOUT (0x41)
+#define PM880_BUCK1B_2_VOUT (0x42)
+#define PM880_BUCK1B_3_VOUT (0x43)
+#define PM880_BUCK1B_4_VOUT (0x44)
+#define PM880_BUCK1B_5_VOUT (0x45)
+#define PM880_BUCK1B_6_VOUT (0x46)
+#define PM880_BUCK1B_7_VOUT (0x47)
+#define PM880_BUCK1B_8_VOUT (0x48)
+#define PM880_BUCK1B_9_VOUT (0x49)
+#define PM880_BUCK1B_10_VOUT (0x4a)
+#define PM880_BUCK1B_11_VOUT (0x4b)
+#define PM880_BUCK1B_12_VOUT (0x4c)
+#define PM880_BUCK1B_13_VOUT (0x4d)
+#define PM880_BUCK1B_14_VOUT (0x4e)
+#define PM880_BUCK1B_15_VOUT (0x4f)
+
+/* buck7 has dvc function */
+#define PM880_BUCK7_VOUT (0xb8) /* voltage 0 */
+#define PM880_BUCK7_1_VOUT (0xb9)
+#define PM880_BUCK7_2_VOUT (0xba)
+#define PM880_BUCK7_3_VOUT (0xbb)
+
+/*
+ * buck sleep mode control registers:
+ * 00-disable,
+ * 01/10-sleep voltage,
+ * 11-active voltage
+ */
+#define PM880_BUCK1A_SLP_CTRL (0x27)
+#define PM880_BUCK1B_SLP_CTRL (0x3c)
+#define PM880_BUCK2_SLP_CTRL (0x54)
+#define PM880_BUCK3_SLP_CTRL (0x6c)
+/* TODO: there are 7 controls bit for buck4~7 */
+#define PM880_BUCK4_SLP_CTRL (0x84)
+#define PM880_BUCK5_SLP_CTRL (0x94)
+#define PM880_BUCK6_SLP_CTRL (0xa4)
+#define PM880_BUCK7_SLP_CTRL (0xb4)
+
+/*
+ * ldo sleep mode control registers:
+ * 00-disable,
+ * 01/10-sleep voltage,
+ * 11-active voltage
+ */
+#define PM880_LDO1_SLP_CTRL (0x21)
+#define PM880_LDO2_SLP_CTRL (0x27)
+#define PM880_LDO3_SLP_CTRL (0x2d)
+#define PM880_LDO4_SLP_CTRL (0x33)
+#define PM880_LDO5_SLP_CTRL (0x39)
+#define PM880_LDO6_SLP_CTRL (0x3f)
+#define PM880_LDO7_SLP_CTRL (0x45)
+#define PM880_LDO8_SLP_CTRL (0x4b)
+#define PM880_LDO9_SLP_CTRL (0x51)
+#define PM880_LDO10_SLP_CTRL (0x57)
+#define PM880_LDO11_SLP_CTRL (0x5d)
+#define PM880_LDO12_SLP_CTRL (0x63)
+#define PM880_LDO13_SLP_CTRL (0x69)
+#define PM880_LDO14_SLP_CTRL (0x6f)
+#define PM880_LDO15_SLP_CTRL (0x75)
+#define PM880_LDO16_SLP_CTRL (0x7b)
+#define PM880_LDO17_SLP_CTRL (0x81)
+#define PM880_LDO18_SLP_CTRL (0x87)
+
+#endif /*__LINUX_MFD_88PM880_REG_H */
diff --git a/include/linux/mfd/88pm880.h b/include/linux/mfd/88pm880.h
new file mode 100644
index 0000000..94b9e063
--- /dev/null
+++ b/include/linux/mfd/88pm880.h
@@ -0,0 +1,59 @@
+/*
+ * Marvell 88PM880 Interface
+ *
+ * Copyright (C) 2015 Marvell International Ltd.
+ * Yi Zhang <yizhang@xxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 88pm880 specific configuration: at present it's regulators and dvc part
+ */
+
+#ifndef __LINUX_MFD_88PM880_H
+#define __LINUX_MFD_88PM880_H
+
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/regmap.h>
+#include <linux/atomic.h>
+#include <linux/reboot.h>
+#include "88pm880-reg.h"
+
+enum {
+ PM880_ID_BUCK1A = 0,
+ PM880_ID_BUCK2,
+ PM880_ID_BUCK3,
+ PM880_ID_BUCK4,
+ PM880_ID_BUCK5,
+ PM880_ID_BUCK6,
+ PM880_ID_BUCK7,
+
+ PM880_ID_BUCK_MAX = 7,
+};
+
+enum {
+ PM880_ID_LDO1 = 0,
+ PM880_ID_LDO2,
+ PM880_ID_LDO3,
+ PM880_ID_LDO4,
+ PM880_ID_LDO5,
+ PM880_ID_LDO6,
+ PM880_ID_LDO7,
+ PM880_ID_LDO8,
+ PM880_ID_LDO9,
+ PM880_ID_LDO10,
+ PM880_ID_LDO11,
+ PM880_ID_LDO12,
+ PM880_ID_LDO13,
+ PM880_ID_LDO14 = 13,
+ PM880_ID_LDO15,
+ PM880_ID_LDO16 = 15,
+
+ PM880_ID_LDO17 = 16,
+ PM880_ID_LDO18 = 17,
+
+ PM880_ID_LDO_MAX = 18,
+};
+#endif /* __LINUX_MFD_88PM880_H */
diff --git a/include/linux/mfd/88pm886-reg.h b/include/linux/mfd/88pm886-reg.h
new file mode 100644
index 0000000..38a7ecd
--- /dev/null
+++ b/include/linux/mfd/88pm886-reg.h
@@ -0,0 +1,59 @@
+/*
+ * Marvell 88PM886 registers
+ *
+ * Copyright (C) 2014 Marvell International Ltd.
+ * Yi Zhang <yizhang@xxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __LINUX_MFD_88PM886_REG_H
+#define __LINUX_MFD_88PM886_REG_H
+
+#define PM886_BUCK1_VOUT (0xa5)
+#define PM886_BUCK1_1_VOUT (0xa6)
+#define PM886_BUCK1_2_VOUT (0xa7)
+#define PM886_BUCK1_3_VOUT (0xa8)
+#define PM886_BUCK1_4_VOUT (0x9a)
+#define PM886_BUCK1_5_VOUT (0x9b)
+#define PM886_BUCK1_6_VOUT (0x9c)
+#define PM886_BUCK1_7_VOUT (0x9d)
+
+/*
+ * buck sleep mode control registers:
+ * 00-disable,
+ * 01/10-sleep voltage,
+ * 11-active voltage
+ */
+#define PM886_BUCK1_SLP_CTRL (0xa2)
+#define PM886_BUCK2_SLP_CTRL (0xb0)
+#define PM886_BUCK3_SLP_CTRL (0xbe)
+#define PM886_BUCK4_SLP_CTRL (0xcc)
+#define PM886_BUCK5_SLP_CTRL (0xda)
+
+/*
+ * ldo sleep mode control registers:
+ * 00-disable,
+ * 01/10-sleep voltage,
+ * 11-active voltage
+ */
+#define PM886_LDO1_SLP_CTRL (0x21)
+#define PM886_LDO2_SLP_CTRL (0x27)
+#define PM886_LDO3_SLP_CTRL (0x2d)
+#define PM886_LDO4_SLP_CTRL (0x33)
+#define PM886_LDO5_SLP_CTRL (0x39)
+#define PM886_LDO6_SLP_CTRL (0x3f)
+#define PM886_LDO7_SLP_CTRL (0x45)
+#define PM886_LDO8_SLP_CTRL (0x4b)
+#define PM886_LDO9_SLP_CTRL (0x51)
+#define PM886_LDO10_SLP_CTRL (0x57)
+#define PM886_LDO11_SLP_CTRL (0x5d)
+#define PM886_LDO12_SLP_CTRL (0x63)
+#define PM886_LDO13_SLP_CTRL (0x69)
+#define PM886_LDO14_SLP_CTRL (0x6f)
+#define PM886_LDO15_SLP_CTRL (0x75)
+#define PM886_LDO16_SLP_CTRL (0x7b)
+
+#endif
diff --git a/include/linux/mfd/88pm886.h b/include/linux/mfd/88pm886.h
new file mode 100644
index 0000000..9390406
--- /dev/null
+++ b/include/linux/mfd/88pm886.h
@@ -0,0 +1,55 @@
+/*
+ * Marvell 88PM886 Interface
+ *
+ * Copyright (C) 2015 Marvell International Ltd.
+ * Yi Zhang <yizhang@xxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 88pm886 specific configuration: at present it's regulators and dvc part
+ */
+
+#ifndef __LINUX_MFD_88PM886_H
+#define __LINUX_MFD_88PM886_H
+
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/regmap.h>
+#include <linux/atomic.h>
+#include <linux/reboot.h>
+#include "88pm886-reg.h"
+
+enum {
+ PM886_ID_BUCK1 = 0,
+ PM886_ID_BUCK2,
+ PM886_ID_BUCK3,
+ PM886_ID_BUCK4,
+ PM886_ID_BUCK5,
+
+ PM886_ID_BUCK_MAX = 5,
+};
+
+enum {
+ PM886_ID_LDO1 = 0,
+ PM886_ID_LDO2,
+ PM886_ID_LDO3,
+ PM886_ID_LDO4,
+ PM886_ID_LDO5,
+ PM886_ID_LDO6,
+ PM886_ID_LDO7,
+ PM886_ID_LDO8,
+ PM886_ID_LDO9,
+ PM886_ID_LDO10,
+ PM886_ID_LDO11,
+ PM886_ID_LDO12,
+ PM886_ID_LDO13,
+ PM886_ID_LDO14,
+ PM886_ID_LDO15,
+ PM886_ID_LDO16 = 15,
+
+ PM886_ID_LDO_MAX = 16,
+};
+
+#endif /* __LINUX_MFD_88PM886_H */
diff --git a/include/linux/mfd/88pm88x-reg.h b/include/linux/mfd/88pm88x-reg.h
new file mode 100644
index 0000000..d767b31
--- /dev/null
+++ b/include/linux/mfd/88pm88x-reg.h
@@ -0,0 +1,118 @@
+/*
+ * Marvell 88PM88X registers
+ *
+ * Copyright (C) 2014 Marvell International Ltd.
+ * Yi Zhang <yizhang@xxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __LINUX_MFD_88PM88X_REG_H
+#define __LINUX_MFD_88PM88X_REG_H
+/*
+ * This file is just used for the common registers,
+ * which are shared by sub-clients
+ */
+
+/*--base page:--------------------------------------------------------------*/
+#define PM88X_ID_REG (0x0)
+
+#define PM88X_STATUS1 (0x1)
+#define PM88X_CHG_DET (1 << 2)
+#define PM88X_BAT_DET (1 << 3)
+
+#define PM88X_MISC_CONFIG1 (0x14)
+#define PM88X_LONKEY_RST (1 << 3)
+
+#define PM88X_WDOG (0x1d)
+
+#define PM88X_LOWPOWER2 (0x21)
+#define PM88X_LOWPOWER4 (0x23)
+
+/* clk control register */
+#define PM88X_CLK_CTRL1 (0x25)
+
+/* gpio */
+#define PM88X_GPIO_CTRL1 (0x30)
+#define PM88X_GPIO0_VAL_MSK (0x1 << 0)
+#define PM88X_GPIO0_MODE_MSK (0x7 << 1)
+#define PM88X_GPIO1_VAL_MSK (0x1 << 4)
+#define PM88X_GPIO1_MODE_MSK (0x7 << 5)
+#define PM88X_GPIO1_SET_DVC (0x2 << 5)
+
+#define PM88X_GPIO_CTRL2 (0x31)
+#define PM88X_GPIO2_VAL_MSK (0x1 << 0)
+#define PM88X_GPIO2_MODE_MSK (0x7 << 1)
+
+#define PM88X_GPIO_CTRL3 (0x32)
+
+#define PM88X_GPIO_CTRL4 (0x33)
+#define PM88X_GPIO5V_1_VAL_MSK (0x1 << 0)
+#define PM88X_GPIO5V_1_MODE_MSK (0x7 << 1)
+#define PM88X_GPIO5V_2_VAL_MSK (0x1 << 4)
+#define PM88X_GPIO5V_2_MODE_MSK (0x7 << 5)
+
+#define PM88X_BK_OSC_CTRL1 (0x50)
+#define PM88X_BK_OSC_CTRL3 (0x52)
+
+#define PM88X_RTC_ALARM_CTRL1 (0xd0)
+#define PM88X_ALARM_WAKEUP (1 << 4)
+#define PM88X_USE_XO (1 << 7)
+
+#define PM88X_AON_CTRL2 (0xe2)
+#define PM88X_AON_CTRL3 (0xe3)
+#define PM88X_AON_CTRL4 (0xe4)
+#define PM88X_AON_CTRL7 (0xe7)
+
+/* 0xea, 0xeb, 0xec, 0xed are reserved by RTC */
+#define PM88X_RTC_SPARE5 (0xee)
+#define PM88X_RTC_SPARE6 (0xef)
+/*-------------------------------------------------------------------------*/
+
+/*--power page:------------------------------------------------------------*/
+
+/*-------------------------------------------------------------------------*/
+
+/*--gpadc page:------------------------------------------------------------*/
+
+#define PM88X_GPADC_CONFIG1 (0x1)
+
+#define PM88X_GPADC_CONFIG2 (0x2)
+#define PM88X_GPADC0_MEAS_EN (1 << 2)
+#define PM88X_GPADC1_MEAS_EN (1 << 3)
+#define PM88X_GPADC2_MEAS_EN (1 << 4)
+#define PM88X_GPADC3_MEAS_EN (1 << 5)
+
+#define PM88X_GPADC_CONFIG3 (0x3)
+
+#define PM88X_GPADC_CONFIG6 (0x6)
+#define PM88X_GPADC_CONFIG8 (0x8)
+
+#define PM88X_GPADC0_LOW_TH (0x20)
+#define PM88X_GPADC1_LOW_TH (0x21)
+#define PM88X_GPADC2_LOW_TH (0x22)
+#define PM88X_GPADC3_LOW_TH (0x23)
+
+#define PM88X_GPADC0_UPP_TH (0x30)
+#define PM88X_GPADC1_UPP_TH (0x31)
+#define PM88X_GPADC2_UPP_TH (0x32)
+#define PM88X_GPADC3_UPP_TH (0x33)
+
+#define PM88X_VBUS_MEAS1 (0x4A)
+#define PM88X_GPADC0_MEAS1 (0x54)
+#define PM88X_GPADC1_MEAS1 (0x56)
+#define PM88X_GPADC2_MEAS1 (0x58)
+#define PM88X_GPADC3_MEAS1 (0x5A)
+
+
+/*--charger page:------------------------------------------------------------*/
+#define PM88X_CHG_CONFIG1 (0x28)
+#define PM88X_CHGBK_CONFIG6 (0x50)
+/*-------------------------------------------------------------------------*/
+
+/*--test page:-------------------------------------------------------------*/
+
+/*-------------------------------------------------------------------------*/
+#endif
diff --git a/include/linux/mfd/88pm88x.h b/include/linux/mfd/88pm88x.h
new file mode 100644
index 0000000..efa2fe6
--- /dev/null
+++ b/include/linux/mfd/88pm88x.h
@@ -0,0 +1,202 @@
+/*
+ * Marvell 88PM88X PMIC Common Interface
+ *
+ * Copyright (C) 2014 Marvell International Ltd.
+ * Yi Zhang <yizhang@xxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ *
+ * This file configures the common part of the 88pm88x series PMIC
+ */
+
+#ifndef __LINUX_MFD_88PM88X_H
+#define __LINUX_MFD_88PM88X_H
+
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/regmap.h>
+#include <linux/atomic.h>
+#include <linux/reboot.h>
+#include "88pm88x-reg.h"
+#include "88pm886-reg.h"
+
+#define PM88X_RTC_NAME "88pm88x-rtc"
+#define PM88X_ONKEY_NAME "88pm88x-onkey"
+#define PM88X_CHARGER_NAME "88pm88x-charger"
+#define PM88X_BATTERY_NAME "88pm88x-battery"
+#define PM88X_HEADSET_NAME "88pm88x-headset"
+#define PM88X_VBUS_NAME "88pm88x-vbus"
+#define PM88X_CFD_NAME "88pm88x-leds"
+#define PM88X_RGB_NAME "88pm88x-rgb"
+#define PM88X_GPADC_NAME "88pm88x-gpadc"
+#define PM88X_DVC_NAME "88pm88x-dvc"
+
+enum pm88x_type {
+ PM886 = 1,
+ PM880 = 2,
+};
+
+enum pm88x_pages {
+ PM88X_BASE_PAGE = 0,
+ PM88X_LDO_PAGE,
+ PM88X_GPADC_PAGE,
+ PM88X_BATTERY_PAGE,
+ PM88X_BUCK_PAGE = 4,
+ PM88X_TEST_PAGE = 7,
+};
+
+enum pm88x_gpadc {
+ PM88X_NO_GPADC = -1,
+ PM88X_GPADC0 = 0,
+ PM88X_GPADC1,
+ PM88X_GPADC2,
+ PM88X_GPADC3,
+};
+
+/* interrupt number */
+enum pm88x_irq_number {
+ PM88X_IRQ_ONKEY, /* EN1b0 *//* 0 */
+ PM88X_IRQ_EXTON, /* EN1b1 */
+ PM88X_IRQ_CHG_GOOD, /* EN1b2 */
+ PM88X_IRQ_BAT_DET, /* EN1b3 */
+ PM88X_IRQ_RTC, /* EN1b4 */
+ PM88X_IRQ_CLASSD, /* EN1b5 *//* 5 */
+ PM88X_IRQ_XO, /* EN1b6 */
+ PM88X_IRQ_GPIO, /* EN1b7 */
+
+ PM88X_IRQ_VBAT, /* EN2b0 *//* 8 */
+ /* EN2b1 */
+ PM88X_IRQ_VBUS, /* EN2b2 */
+ PM88X_IRQ_ITEMP, /* EN2b3 *//* 10 */
+ PM88X_IRQ_BUCK_PGOOD, /* EN2b4 */
+ PM88X_IRQ_LDO_PGOOD, /* EN2b5 */
+
+ PM88X_IRQ_GPADC0, /* EN3b0 */
+ PM88X_IRQ_GPADC1, /* EN3b1 */
+ PM88X_IRQ_GPADC2, /* EN3b2 *//* 15 */
+ PM88X_IRQ_GPADC3, /* EN3b3 */
+ PM88X_IRQ_MIC_DET, /* EN3b4 */
+ PM88X_IRQ_HS_DET, /* EN3b5 */
+ PM88X_IRQ_GND_DET, /* EN3b6 */
+
+ PM88X_IRQ_CHG_FAIL, /* EN4b0 *//* 20 */
+ PM88X_IRQ_CHG_DONE, /* EN4b1 */
+ /* EN4b2 */
+ PM88X_IRQ_CFD_FAIL, /* EN4b3 */
+ PM88X_IRQ_OTG_FAIL, /* EN4b4 */
+ PM88X_IRQ_CHG_ILIM, /* EN4b5 *//* 25 */
+ /* EN4b6 */
+ PM88X_IRQ_CC, /* EN4b7 *//* 27 */
+
+ PM88X_MAX_IRQ, /* 28 */
+};
+
+/* 3 rgb led indicators */
+enum {
+ PM88X_RGB_LED0,
+ PM88X_RGB_LED1,
+ PM88X_RGB_LED2,
+};
+
+/* camera flash/torch */
+enum {
+ PM88X_NO_LED = -1,
+ PM88X_FLASH_LED = 0,
+ PM88X_TORCH_LED,
+};
+
+struct pm88x_dvc_ops {
+ void (*level_to_reg)(u8 level);
+};
+
+struct pm88x_buck1_dvc_desc {
+ u8 current_reg;
+ int max_level;
+ int uV_step1;
+ int uV_step2;
+ int min_uV;
+ int mid_uV;
+ int max_uV;
+ int mid_reg_val;
+};
+
+struct pm88x_dvc {
+ struct device *dev;
+ struct pm88x_chip *chip;
+ struct pm88x_dvc_ops ops;
+ struct pm88x_buck1_dvc_desc desc;
+};
+
+struct pm88x_chip {
+ struct i2c_client *client;
+ struct device *dev;
+
+ struct i2c_client *ldo_page; /* chip client for ldo page */
+ struct i2c_client *power_page; /* chip client for power page */
+ struct i2c_client *gpadc_page; /* chip client for gpadc page */
+ struct i2c_client *battery_page;/* chip client for battery page */
+ struct i2c_client *buck_page; /* chip client for buck page */
+ struct i2c_client *test_page; /* chip client for test page */
+
+ struct regmap *base_regmap;
+ struct regmap *ldo_regmap;
+ struct regmap *power_regmap;
+ struct regmap *gpadc_regmap;
+ struct regmap *battery_regmap;
+ struct regmap *buck_regmap;
+ struct regmap *test_regmap;
+ struct regmap *codec_regmap;
+
+ unsigned short ldo_page_addr; /* ldo page I2C address */
+ unsigned short power_page_addr; /* power page I2C address */
+ unsigned short gpadc_page_addr; /* gpadc page I2C address */
+ unsigned short battery_page_addr;/* battery page I2C address */
+ unsigned short buck_page_addr; /* buck page I2C address */
+ unsigned short test_page_addr; /* test page I2C address */
+
+ unsigned int chip_id;
+ long type; /* specific chip */
+ int irq;
+
+ int irq_mode; /* write/read clear */
+ struct regmap_irq_chip_data *irq_data;
+
+ bool rtc_wakeup; /* is it powered up by expired alarm? */
+ u8 powerdown1; /* save power down reason */
+ u8 powerdown2;
+ u8 powerup; /* the reason of power on */
+
+ struct notifier_block reboot_notifier;
+ struct pm88x_dvc *dvc;
+};
+
+extern struct regmap_irq_chip pm88x_irq_chip;
+extern const struct of_device_id pm88x_of_match[];
+
+struct pm88x_chip *pm88x_init_chip(struct i2c_client *client);
+int pm88x_parse_dt(struct device_node *np, struct pm88x_chip *chip);
+
+int pm88x_init_pages(struct pm88x_chip *chip);
+int pm88x_post_init_chip(struct pm88x_chip *chip);
+void pm800_exit_pages(struct pm88x_chip *chip);
+
+int pm88x_init_subdev(struct pm88x_chip *chip);
+long pm88x_of_get_type(struct device *dev);
+void pm88x_dev_exit(struct pm88x_chip *chip);
+
+int pm88x_irq_init(struct pm88x_chip *chip);
+int pm88x_irq_exit(struct pm88x_chip *chip);
+int pm88x_apply_patch(struct pm88x_chip *chip);
+int pm88x_stepping_fixup(struct pm88x_chip *chip);
+int pm88x_apply_board_fixup(struct pm88x_chip *chip, struct device_node *np);
+
+struct pm88x_chip *pm88x_get_chip(void);
+void pm88x_set_chip(struct pm88x_chip *chip);
+void pm88x_power_off(void);
+int pm88x_reboot_notifier_callback(struct notifier_block *nb,
+ unsigned long code, void *unused);
+
+#endif /* __LINUX_MFD_88PM88X_H */
--
1.9.1
--
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