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path: root/drivers/mfd/88pm860x-core.c
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Diffstat (limited to 'drivers/mfd/88pm860x-core.c')
-rw-r--r--drivers/mfd/88pm860x-core.c740
1 files changed, 740 insertions, 0 deletions
diff --git a/drivers/mfd/88pm860x-core.c b/drivers/mfd/88pm860x-core.c
new file mode 100644
index 00000000000..6a14d2b1ccf
--- /dev/null
+++ b/drivers/mfd/88pm860x-core.c
@@ -0,0 +1,740 @@
+/*
+ * Base driver for Marvell 88PM8607
+ *
+ * Copyright (C) 2009 Marvell International Ltd.
+ * Haojian Zhuang <haojian.zhuang@marvell.com>
+ *
+ * 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/i2c.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/88pm860x.h>
+
+#define INT_STATUS_NUM 3
+
+char pm860x_backlight_name[][MFD_NAME_SIZE] = {
+ "backlight-0",
+ "backlight-1",
+ "backlight-2",
+};
+EXPORT_SYMBOL(pm860x_backlight_name);
+
+char pm860x_led_name[][MFD_NAME_SIZE] = {
+ "led0-red",
+ "led0-green",
+ "led0-blue",
+ "led1-red",
+ "led1-green",
+ "led1-blue",
+};
+EXPORT_SYMBOL(pm860x_led_name);
+
+#define PM8606_BACKLIGHT_RESOURCE(_i, _x) \
+{ \
+ .name = pm860x_backlight_name[_i], \
+ .start = PM8606_##_x, \
+ .end = PM8606_##_x, \
+ .flags = IORESOURCE_IO, \
+}
+
+static struct resource backlight_resources[] = {
+ PM8606_BACKLIGHT_RESOURCE(PM8606_BACKLIGHT1, WLED1A),
+ PM8606_BACKLIGHT_RESOURCE(PM8606_BACKLIGHT2, WLED2A),
+ PM8606_BACKLIGHT_RESOURCE(PM8606_BACKLIGHT3, WLED3A),
+};
+
+#define PM8606_BACKLIGHT_DEVS(_i) \
+{ \
+ .name = "88pm860x-backlight", \
+ .num_resources = 1, \
+ .resources = &backlight_resources[_i], \
+ .id = _i, \
+}
+
+static struct mfd_cell backlight_devs[] = {
+ PM8606_BACKLIGHT_DEVS(PM8606_BACKLIGHT1),
+ PM8606_BACKLIGHT_DEVS(PM8606_BACKLIGHT2),
+ PM8606_BACKLIGHT_DEVS(PM8606_BACKLIGHT3),
+};
+
+#define PM8606_LED_RESOURCE(_i, _x) \
+{ \
+ .name = pm860x_led_name[_i], \
+ .start = PM8606_##_x, \
+ .end = PM8606_##_x, \
+ .flags = IORESOURCE_IO, \
+}
+
+static struct resource led_resources[] = {
+ PM8606_LED_RESOURCE(PM8606_LED1_RED, RGB2B),
+ PM8606_LED_RESOURCE(PM8606_LED1_GREEN, RGB2C),
+ PM8606_LED_RESOURCE(PM8606_LED1_BLUE, RGB2D),
+ PM8606_LED_RESOURCE(PM8606_LED2_RED, RGB1B),
+ PM8606_LED_RESOURCE(PM8606_LED2_GREEN, RGB1C),
+ PM8606_LED_RESOURCE(PM8606_LED2_BLUE, RGB1D),
+};
+
+#define PM8606_LED_DEVS(_i) \
+{ \
+ .name = "88pm860x-led", \
+ .num_resources = 1, \
+ .resources = &led_resources[_i], \
+ .id = _i, \
+}
+
+static struct mfd_cell led_devs[] = {
+ PM8606_LED_DEVS(PM8606_LED1_RED),
+ PM8606_LED_DEVS(PM8606_LED1_GREEN),
+ PM8606_LED_DEVS(PM8606_LED1_BLUE),
+ PM8606_LED_DEVS(PM8606_LED2_RED),
+ PM8606_LED_DEVS(PM8606_LED2_GREEN),
+ PM8606_LED_DEVS(PM8606_LED2_BLUE),
+};
+
+static struct resource touch_resources[] = {
+ {
+ .start = PM8607_IRQ_PEN,
+ .end = PM8607_IRQ_PEN,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct mfd_cell touch_devs[] = {
+ {
+ .name = "88pm860x-touch",
+ .num_resources = 1,
+ .resources = &touch_resources[0],
+ },
+};
+
+#define PM8607_REG_RESOURCE(_start, _end) \
+{ \
+ .start = PM8607_##_start, \
+ .end = PM8607_##_end, \
+ .flags = IORESOURCE_IO, \
+}
+
+static struct resource power_supply_resources[] = {
+ {
+ .name = "88pm860x-power",
+ .start = PM8607_IRQ_CHG,
+ .end = PM8607_IRQ_CHG,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct mfd_cell power_devs[] = {
+ {
+ .name = "88pm860x-power",
+ .num_resources = 1,
+ .resources = &power_supply_resources[0],
+ .id = -1,
+ },
+};
+
+static struct resource onkey_resources[] = {
+ {
+ .name = "88pm860x-onkey",
+ .start = PM8607_IRQ_ONKEY,
+ .end = PM8607_IRQ_ONKEY,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct mfd_cell onkey_devs[] = {
+ {
+ .name = "88pm860x-onkey",
+ .num_resources = 1,
+ .resources = &onkey_resources[0],
+ .id = -1,
+ },
+};
+
+static struct resource regulator_resources[] = {
+ PM8607_REG_RESOURCE(BUCK1, BUCK1),
+ PM8607_REG_RESOURCE(BUCK2, BUCK2),
+ PM8607_REG_RESOURCE(BUCK3, BUCK3),
+ PM8607_REG_RESOURCE(LDO1, LDO1),
+ PM8607_REG_RESOURCE(LDO2, LDO2),
+ PM8607_REG_RESOURCE(LDO3, LDO3),
+ PM8607_REG_RESOURCE(LDO4, LDO4),
+ PM8607_REG_RESOURCE(LDO5, LDO5),
+ PM8607_REG_RESOURCE(LDO6, LDO6),
+ PM8607_REG_RESOURCE(LDO7, LDO7),
+ PM8607_REG_RESOURCE(LDO8, LDO8),
+ PM8607_REG_RESOURCE(LDO9, LDO9),
+ PM8607_REG_RESOURCE(LDO10, LDO10),
+ PM8607_REG_RESOURCE(LDO12, LDO12),
+ PM8607_REG_RESOURCE(LDO14, LDO14),
+};
+
+#define PM8607_REG_DEVS(_name, _id) \
+{ \
+ .name = "88pm8607-" #_name, \
+ .num_resources = 1, \
+ .resources = &regulator_resources[PM8607_ID_##_id], \
+ .id = PM8607_ID_##_id, \
+}
+
+static struct mfd_cell regulator_devs[] = {
+ PM8607_REG_DEVS(buck1, BUCK1),
+ PM8607_REG_DEVS(buck2, BUCK2),
+ PM8607_REG_DEVS(buck3, BUCK3),
+ PM8607_REG_DEVS(ldo1, LDO1),
+ PM8607_REG_DEVS(ldo2, LDO2),
+ PM8607_REG_DEVS(ldo3, LDO3),
+ PM8607_REG_DEVS(ldo4, LDO4),
+ PM8607_REG_DEVS(ldo5, LDO5),
+ PM8607_REG_DEVS(ldo6, LDO6),
+ PM8607_REG_DEVS(ldo7, LDO7),
+ PM8607_REG_DEVS(ldo8, LDO8),
+ PM8607_REG_DEVS(ldo9, LDO9),
+ PM8607_REG_DEVS(ldo10, LDO10),
+ PM8607_REG_DEVS(ldo12, LDO12),
+ PM8607_REG_DEVS(ldo14, LDO14),
+};
+
+struct pm860x_irq_data {
+ int reg;
+ int mask_reg;
+ int enable; /* enable or not */
+ int offs; /* bit offset in mask register */
+};
+
+static struct pm860x_irq_data pm860x_irqs[] = {
+ [PM8607_IRQ_ONKEY] = {
+ .reg = PM8607_INT_STATUS1,
+ .mask_reg = PM8607_INT_MASK_1,
+ .offs = 1 << 0,
+ },
+ [PM8607_IRQ_EXTON] = {
+ .reg = PM8607_INT_STATUS1,
+ .mask_reg = PM8607_INT_MASK_1,
+ .offs = 1 << 1,
+ },
+ [PM8607_IRQ_CHG] = {
+ .reg = PM8607_INT_STATUS1,
+ .mask_reg = PM8607_INT_MASK_1,
+ .offs = 1 << 2,
+ },
+ [PM8607_IRQ_BAT] = {
+ .reg = PM8607_INT_STATUS1,
+ .mask_reg = PM8607_INT_MASK_1,
+ .offs = 1 << 3,
+ },
+ [PM8607_IRQ_RTC] = {
+ .reg = PM8607_INT_STATUS1,
+ .mask_reg = PM8607_INT_MASK_1,
+ .offs = 1 << 4,
+ },
+ [PM8607_IRQ_CC] = {
+ .reg = PM8607_INT_STATUS1,
+ .mask_reg = PM8607_INT_MASK_1,
+ .offs = 1 << 5,
+ },
+ [PM8607_IRQ_VBAT] = {
+ .reg = PM8607_INT_STATUS2,
+ .mask_reg = PM8607_INT_MASK_2,
+ .offs = 1 << 0,
+ },
+ [PM8607_IRQ_VCHG] = {
+ .reg = PM8607_INT_STATUS2,
+ .mask_reg = PM8607_INT_MASK_2,
+ .offs = 1 << 1,
+ },
+ [PM8607_IRQ_VSYS] = {
+ .reg = PM8607_INT_STATUS2,
+ .mask_reg = PM8607_INT_MASK_2,
+ .offs = 1 << 2,
+ },
+ [PM8607_IRQ_TINT] = {
+ .reg = PM8607_INT_STATUS2,
+ .mask_reg = PM8607_INT_MASK_2,
+ .offs = 1 << 3,
+ },
+ [PM8607_IRQ_GPADC0] = {
+ .reg = PM8607_INT_STATUS2,
+ .mask_reg = PM8607_INT_MASK_2,
+ .offs = 1 << 4,
+ },
+ [PM8607_IRQ_GPADC1] = {
+ .reg = PM8607_INT_STATUS2,
+ .mask_reg = PM8607_INT_MASK_2,
+ .offs = 1 << 5,
+ },
+ [PM8607_IRQ_GPADC2] = {
+ .reg = PM8607_INT_STATUS2,
+ .mask_reg = PM8607_INT_MASK_2,
+ .offs = 1 << 6,
+ },
+ [PM8607_IRQ_GPADC3] = {
+ .reg = PM8607_INT_STATUS2,
+ .mask_reg = PM8607_INT_MASK_2,
+ .offs = 1 << 7,
+ },
+ [PM8607_IRQ_AUDIO_SHORT] = {
+ .reg = PM8607_INT_STATUS3,
+ .mask_reg = PM8607_INT_MASK_3,
+ .offs = 1 << 0,
+ },
+ [PM8607_IRQ_PEN] = {
+ .reg = PM8607_INT_STATUS3,
+ .mask_reg = PM8607_INT_MASK_3,
+ .offs = 1 << 1,
+ },
+ [PM8607_IRQ_HEADSET] = {
+ .reg = PM8607_INT_STATUS3,
+ .mask_reg = PM8607_INT_MASK_3,
+ .offs = 1 << 2,
+ },
+ [PM8607_IRQ_HOOK] = {
+ .reg = PM8607_INT_STATUS3,
+ .mask_reg = PM8607_INT_MASK_3,
+ .offs = 1 << 3,
+ },
+ [PM8607_IRQ_MICIN] = {
+ .reg = PM8607_INT_STATUS3,
+ .mask_reg = PM8607_INT_MASK_3,
+ .offs = 1 << 4,
+ },
+ [PM8607_IRQ_CHG_FAIL] = {
+ .reg = PM8607_INT_STATUS3,
+ .mask_reg = PM8607_INT_MASK_3,
+ .offs = 1 << 5,
+ },
+ [PM8607_IRQ_CHG_DONE] = {
+ .reg = PM8607_INT_STATUS3,
+ .mask_reg = PM8607_INT_MASK_3,
+ .offs = 1 << 6,
+ },
+ [PM8607_IRQ_CHG_FAULT] = {
+ .reg = PM8607_INT_STATUS3,
+ .mask_reg = PM8607_INT_MASK_3,
+ .offs = 1 << 7,
+ },
+};
+
+static inline struct pm860x_irq_data *irq_to_pm860x(struct pm860x_chip *chip,
+ int irq)
+{
+ return &pm860x_irqs[irq - chip->irq_base];
+}
+
+static irqreturn_t pm860x_irq(int irq, void *data)
+{
+ struct pm860x_chip *chip = data;
+ struct pm860x_irq_data *irq_data;
+ struct i2c_client *i2c;
+ int read_reg = -1, value = 0;
+ int i;
+
+ i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
+ for (i = 0; i < ARRAY_SIZE(pm860x_irqs); i++) {
+ irq_data = &pm860x_irqs[i];
+ if (read_reg != irq_data->reg) {
+ read_reg = irq_data->reg;
+ value = pm860x_reg_read(i2c, irq_data->reg);
+ }
+ if (value & irq_data->enable)
+ handle_nested_irq(chip->irq_base + i);
+ }
+ return IRQ_HANDLED;
+}
+
+static void pm860x_irq_lock(unsigned int irq)
+{
+ struct pm860x_chip *chip = get_irq_chip_data(irq);
+
+ mutex_lock(&chip->irq_lock);
+}
+
+static void pm860x_irq_sync_unlock(unsigned int irq)
+{
+ struct pm860x_chip *chip = get_irq_chip_data(irq);
+ struct pm860x_irq_data *irq_data;
+ struct i2c_client *i2c;
+ static unsigned char cached[3] = {0x0, 0x0, 0x0};
+ unsigned char mask[3];
+ int i;
+
+ i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
+ /* Load cached value. In initial, all IRQs are masked */
+ for (i = 0; i < 3; i++)
+ mask[i] = cached[i];
+ for (i = 0; i < ARRAY_SIZE(pm860x_irqs); i++) {
+ irq_data = &pm860x_irqs[i];
+ switch (irq_data->mask_reg) {
+ case PM8607_INT_MASK_1:
+ mask[0] &= ~irq_data->offs;
+ mask[0] |= irq_data->enable;
+ break;
+ case PM8607_INT_MASK_2:
+ mask[1] &= ~irq_data->offs;
+ mask[1] |= irq_data->enable;
+ break;
+ case PM8607_INT_MASK_3:
+ mask[2] &= ~irq_data->offs;
+ mask[2] |= irq_data->enable;
+ break;
+ default:
+ dev_err(chip->dev, "wrong IRQ\n");
+ break;
+ }
+ }
+ /* update mask into registers */
+ for (i = 0; i < 3; i++) {
+ if (mask[i] != cached[i]) {
+ cached[i] = mask[i];
+ pm860x_reg_write(i2c, PM8607_INT_MASK_1 + i, mask[i]);
+ }
+ }
+
+ mutex_unlock(&chip->irq_lock);
+}
+
+static void pm860x_irq_enable(unsigned int irq)
+{
+ struct pm860x_chip *chip = get_irq_chip_data(irq);
+ pm860x_irqs[irq - chip->irq_base].enable
+ = pm860x_irqs[irq - chip->irq_base].offs;
+}
+
+static void pm860x_irq_disable(unsigned int irq)
+{
+ struct pm860x_chip *chip = get_irq_chip_data(irq);
+ pm860x_irqs[irq - chip->irq_base].enable = 0;
+}
+
+static struct irq_chip pm860x_irq_chip = {
+ .name = "88pm860x",
+ .bus_lock = pm860x_irq_lock,
+ .bus_sync_unlock = pm860x_irq_sync_unlock,
+ .enable = pm860x_irq_enable,
+ .disable = pm860x_irq_disable,
+};
+
+static int __devinit device_gpadc_init(struct pm860x_chip *chip,
+ struct pm860x_platform_data *pdata)
+{
+ struct i2c_client *i2c = (chip->id == CHIP_PM8607) ? chip->client \
+ : chip->companion;
+ int use_gpadc = 0, data, ret;
+
+ /* initialize GPADC without activating it */
+
+ if (pdata && pdata->touch) {
+ /* set GPADC MISC1 register */
+ data = 0;
+ data |= (pdata->touch->gpadc_prebias << 1)
+ & PM8607_GPADC_PREBIAS_MASK;
+ data |= (pdata->touch->slot_cycle << 3)
+ & PM8607_GPADC_SLOT_CYCLE_MASK;
+ data |= (pdata->touch->off_scale << 5)
+ & PM8607_GPADC_OFF_SCALE_MASK;
+ data |= (pdata->touch->sw_cal << 7)
+ & PM8607_GPADC_SW_CAL_MASK;
+ if (data) {
+ ret = pm860x_reg_write(i2c, PM8607_GPADC_MISC1, data);
+ if (ret < 0)
+ goto out;
+ }
+ /* set tsi prebias time */
+ if (pdata->touch->tsi_prebias) {
+ data = pdata->touch->tsi_prebias;
+ ret = pm860x_reg_write(i2c, PM8607_TSI_PREBIAS, data);
+ if (ret < 0)
+ goto out;
+ }
+ /* set prebias & prechg time of pen detect */
+ data = 0;
+ data |= pdata->touch->pen_prebias & PM8607_PD_PREBIAS_MASK;
+ data |= (pdata->touch->pen_prechg << 5)
+ & PM8607_PD_PRECHG_MASK;
+ if (data) {
+ ret = pm860x_reg_write(i2c, PM8607_PD_PREBIAS, data);
+ if (ret < 0)
+ goto out;
+ }
+
+ use_gpadc = 1;
+ }
+
+ /* turn on GPADC */
+ if (use_gpadc) {
+ ret = pm860x_set_bits(i2c, PM8607_GPADC_MISC1,
+ PM8607_GPADC_EN, PM8607_GPADC_EN);
+ }
+out:
+ return ret;
+}
+
+static int __devinit device_irq_init(struct pm860x_chip *chip,
+ struct pm860x_platform_data *pdata)
+{
+ struct i2c_client *i2c = (chip->id == CHIP_PM8607) ? chip->client \
+ : chip->companion;
+ unsigned char status_buf[INT_STATUS_NUM];
+ unsigned long flags = IRQF_TRIGGER_FALLING | IRQF_ONESHOT;
+ struct irq_desc *desc;
+ int i, data, mask, ret = -EINVAL;
+ int __irq;
+
+ if (!pdata || !pdata->irq_base) {
+ dev_warn(chip->dev, "No interrupt support on IRQ base\n");
+ return -EINVAL;
+ }
+
+ mask = PM8607_B0_MISC1_INV_INT | PM8607_B0_MISC1_INT_CLEAR
+ | PM8607_B0_MISC1_INT_MASK;
+ data = 0;
+ chip->irq_mode = 0;
+ if (pdata && pdata->irq_mode) {
+ /*
+ * irq_mode defines the way of clearing interrupt. If it's 1,
+ * clear IRQ by write. Otherwise, clear it by read.
+ * This control bit is valid from 88PM8607 B0 steping.
+ */
+ data |= PM8607_B0_MISC1_INT_CLEAR;
+ chip->irq_mode = 1;
+ }
+ ret = pm860x_set_bits(i2c, PM8607_B0_MISC1, mask, data);
+ if (ret < 0)
+ goto out;
+
+ /* mask all IRQs */
+ memset(status_buf, 0, INT_STATUS_NUM);
+ ret = pm860x_bulk_write(i2c, PM8607_INT_MASK_1,
+ INT_STATUS_NUM, status_buf);
+ if (ret < 0)
+ goto out;
+
+ if (chip->irq_mode) {
+ /* clear interrupt status by write */
+ memset(status_buf, 0xFF, INT_STATUS_NUM);
+ ret = pm860x_bulk_write(i2c, PM8607_INT_STATUS1,
+ INT_STATUS_NUM, status_buf);
+ } else {
+ /* clear interrupt status by read */
+ ret = pm860x_bulk_read(i2c, PM8607_INT_STATUS1,
+ INT_STATUS_NUM, status_buf);
+ }
+ if (ret < 0)
+ goto out;
+
+ mutex_init(&chip->irq_lock);
+ chip->irq_base = pdata->irq_base;
+ chip->core_irq = i2c->irq;
+ if (!chip->core_irq)
+ goto out;
+
+ desc = irq_to_desc(chip->core_irq);
+
+ /* register IRQ by genirq */
+ for (i = 0; i < ARRAY_SIZE(pm860x_irqs); i++) {
+ __irq = i + chip->irq_base;
+ set_irq_chip_data(__irq, chip);
+ set_irq_chip_and_handler(__irq, &pm860x_irq_chip,
+ handle_edge_irq);
+ set_irq_nested_thread(__irq, 1);
+#ifdef CONFIG_ARM
+ set_irq_flags(__irq, IRQF_VALID);
+#else
+ set_irq_noprobe(__irq);
+#endif
+ }
+
+ ret = request_threaded_irq(chip->core_irq, NULL, pm860x_irq, flags,
+ "88pm860x", chip);
+ if (ret) {
+ dev_err(chip->dev, "Failed to request IRQ: %d\n", ret);
+ chip->core_irq = 0;
+ }
+
+ return 0;
+out:
+ chip->core_irq = 0;
+ return ret;
+}
+
+static void __devexit device_irq_exit(struct pm860x_chip *chip)
+{
+ if (chip->core_irq)
+ free_irq(chip->core_irq, chip);
+}
+
+static void __devinit device_8606_init(struct pm860x_chip *chip,
+ struct i2c_client *i2c,
+ struct pm860x_platform_data *pdata)
+{
+ int ret;
+
+ if (pdata && pdata->backlight) {
+ ret = mfd_add_devices(chip->dev, 0, &backlight_devs[0],
+ ARRAY_SIZE(backlight_devs),
+ &backlight_resources[0], 0);
+ if (ret < 0) {
+ dev_err(chip->dev, "Failed to add backlight "
+ "subdev\n");
+ goto out_dev;
+ }
+ }
+
+ if (pdata && pdata->led) {
+ ret = mfd_add_devices(chip->dev, 0, &led_devs[0],
+ ARRAY_SIZE(led_devs),
+ &led_resources[0], 0);
+ if (ret < 0) {
+ dev_err(chip->dev, "Failed to add led "
+ "subdev\n");
+ goto out_dev;
+ }
+ }
+ return;
+out_dev:
+ mfd_remove_devices(chip->dev);
+ device_irq_exit(chip);
+}
+
+static void __devinit device_8607_init(struct pm860x_chip *chip,
+ struct i2c_client *i2c,
+ struct pm860x_platform_data *pdata)
+{
+ int data, ret;
+
+ ret = pm860x_reg_read(i2c, PM8607_CHIP_ID);
+ if (ret < 0) {
+ dev_err(chip->dev, "Failed to read CHIP ID: %d\n", ret);
+ goto out;
+ }
+ if ((ret & PM8607_VERSION_MASK) == PM8607_VERSION)
+ dev_info(chip->dev, "Marvell 88PM8607 (ID: %02x) detected\n",
+ ret);
+ else {
+ dev_err(chip->dev, "Failed to detect Marvell 88PM8607. "
+ "Chip ID: %02x\n", ret);
+ goto out;
+ }
+
+ ret = pm860x_reg_read(i2c, PM8607_BUCK3);
+ if (ret < 0) {
+ dev_err(chip->dev, "Failed to read BUCK3 register: %d\n", ret);
+ goto out;
+ }
+ if (ret & PM8607_BUCK3_DOUBLE)
+ chip->buck3_double = 1;
+
+ ret = pm860x_reg_read(i2c, PM8607_B0_MISC1);
+ if (ret < 0) {
+ dev_err(chip->dev, "Failed to read MISC1 register: %d\n", ret);
+ goto out;
+ }
+
+ if (pdata && (pdata->i2c_port == PI2C_PORT))
+ data = PM8607_B0_MISC1_PI2C;
+ else
+ data = 0;
+ ret = pm860x_set_bits(i2c, PM8607_B0_MISC1, PM8607_B0_MISC1_PI2C, data);
+ if (ret < 0) {
+ dev_err(chip->dev, "Failed to access MISC1:%d\n", ret);
+ goto out;
+ }
+
+ ret = device_gpadc_init(chip, pdata);
+ if (ret < 0)
+ goto out;
+
+ ret = device_irq_init(chip, pdata);
+ if (ret < 0)
+ goto out;
+
+ ret = mfd_add_devices(chip->dev, 0, &regulator_devs[0],
+ ARRAY_SIZE(regulator_devs),
+ &regulator_resources[0], 0);
+ if (ret < 0) {
+ dev_err(chip->dev, "Failed to add regulator subdev\n");
+ goto out_dev;
+ }
+
+ if (pdata && pdata->touch) {
+ ret = mfd_add_devices(chip->dev, 0, &touch_devs[0],
+ ARRAY_SIZE(touch_devs),
+ &touch_resources[0], 0);
+ if (ret < 0) {
+ dev_err(chip->dev, "Failed to add touch "
+ "subdev\n");
+ goto out_dev;
+ }
+ }
+
+ if (pdata && pdata->power) {
+ ret = mfd_add_devices(chip->dev, 0, &power_devs[0],
+ ARRAY_SIZE(power_devs),
+ &power_supply_resources[0], 0);
+ if (ret < 0) {
+ dev_err(chip->dev, "Failed to add power supply "
+ "subdev\n");
+ goto out_dev;
+ }
+ }
+
+ ret = mfd_add_devices(chip->dev, 0, &onkey_devs[0],
+ ARRAY_SIZE(onkey_devs),
+ &onkey_resources[0], 0);
+ if (ret < 0) {
+ dev_err(chip->dev, "Failed to add onkey subdev\n");
+ goto out_dev;
+ }
+
+ return;
+out_dev:
+ mfd_remove_devices(chip->dev);
+ device_irq_exit(chip);
+out:
+ return;
+}
+
+int pm860x_device_init(struct pm860x_chip *chip,
+ struct pm860x_platform_data *pdata)
+{
+ chip->core_irq = 0;
+
+ switch (chip->id) {
+ case CHIP_PM8606:
+ device_8606_init(chip, chip->client, pdata);
+ break;
+ case CHIP_PM8607:
+ device_8607_init(chip, chip->client, pdata);
+ break;
+ }
+
+ if (chip->companion) {
+ switch (chip->id) {
+ case CHIP_PM8607:
+ device_8606_init(chip, chip->companion, pdata);
+ break;
+ case CHIP_PM8606:
+ device_8607_init(chip, chip->companion, pdata);
+ break;
+ }
+ }
+
+ return 0;
+}
+
+void pm860x_device_exit(struct pm860x_chip *chip)
+{
+ device_irq_exit(chip);
+ mfd_remove_devices(chip->dev);
+}
+
+MODULE_DESCRIPTION("PMIC Driver for Marvell 88PM860x");
+MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
+MODULE_LICENSE("GPL");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-16 02:38:05 +0000