| /* |
| * 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 = ®ulator_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, ®ulator_devs[0], |
| ARRAY_SIZE(regulator_devs), |
| ®ulator_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"); |