Exemplo n.º 1
0
static int max77693_i2c_probe(struct i2c_client *i2c,
                              const struct i2c_device_id *id)
{
    struct max77693_dev *max77693;
    struct max77693_platform_data *pdata;
    u8 reg_data;
    int ret = 0;
    printk(KERN_CRIT "[@@MAX77693@@]: %s called.\n",__func__);
    max77693 = kzalloc(sizeof(struct max77693_dev), GFP_KERNEL);
    if (max77693 == NULL)
        return -ENOMEM;

    if (i2c->dev.of_node) {
        pdata = devm_kzalloc(&i2c->dev,
                             sizeof(struct max77693_platform_data),
                             GFP_KERNEL);
        if (!pdata) {
            dev_err(&i2c->dev, "Failed to allocate memory \n");
            ret = -ENOMEM;
            goto err;
        }

        ret = of_max77693_dt(&i2c->dev, pdata);
        if (ret < 0) {
            dev_err(&i2c->dev, "Failed to get device of_node \n");
            return ret;
        }
        /*Filling the platform data*/
        pdata->num_regulators = MAX77693_REG_MAX;
        pdata->muic = &max77693_muic;
#if defined(CONFIG_CHARGER_MAX77693)
        pdata->charger_data = &sec_battery_pdata;
#endif
        pdata->regulators = max77693_regulators,
#ifdef CONFIG_VIBETONZ
               pdata->haptic_data = &max77693_haptic_pdata;
#endif

#ifdef CONFIG_LEDS_MAX77693
        pdata->led_data = &max77693_led_pdata;
#endif
#if defined(CONFIG_CHARGER_MAX77803)
        /* set irq_base at sec_battery_pdata */
        sec_battery_pdata.bat_irq = pdata->irq_base + MAX77693_CHG_IRQ_BATP_I;
#endif
        /*pdata update to other modules*/
        i2c->dev.platform_data = pdata;
    } else
        pdata = i2c->dev.platform_data;


    i2c_set_clientdata(i2c, max77693);
    max77693->dev = &i2c->dev;
    max77693->i2c = i2c;
    max77693->irq = i2c->irq;
//	max77693->type = id->driver_data;
    if (pdata) {
        max77693->irq_base = pdata->irq_base;
        max77693->irq_gpio = pdata->irq_gpio;
        max77693->wakeup = pdata->wakeup;
        gpio_tlmm_config(GPIO_CFG(max77693->irq_gpio,  0, GPIO_CFG_INPUT,
                                  GPIO_CFG_NO_PULL, GPIO_CFG_2MA), GPIO_CFG_DISABLE);
    } else {
        ret = -EIO;
        goto err;
    }
    mutex_init(&max77693->iolock);
    printk(KERN_CRIT "[@@MAX77693@@]: %s called,after mutex_init\n",__func__);

    if (max77693_read_reg(i2c, MAX77693_PMIC_REG_PMIC_ID2, &reg_data) < 0) {
        dev_err(max77693->dev,
                "device not found on this channel (this is not an error)\n");
        ret = -ENODEV;
        goto err;
    } else {
        /* print rev */
        max77693->pmic_rev = (reg_data & 0x7);
        max77693->pmic_ver = ((reg_data & 0xF8) >> 0x3);
        pr_info("%s: device found: rev.0x%x, ver.0x%x\n", __func__,
                max77693->pmic_rev, max77693->pmic_ver);
    }

    max77693_update_reg(i2c, MAX77693_CHG_REG_SAFEOUT_CTRL, 0x00, 0x30);
    max77693->muic = i2c_new_dummy(i2c->adapter, I2C_ADDR_MUIC);
    i2c_set_clientdata(max77693->muic, max77693);

    max77693->haptic = i2c_new_dummy(i2c->adapter, I2C_ADDR_HAPTIC);
    i2c_set_clientdata(max77693->haptic, max77693);

    ret = max77693_irq_init(max77693);
    if (ret < 0)
        goto err_irq_init;

    ret = mfd_add_devices(max77693->dev, -1, max77693_devs,
                          ARRAY_SIZE(max77693_devs), NULL, 0);
    if (ret < 0)
        goto err_mfd;

    device_init_wakeup(max77693->dev, pdata->wakeup);

    return ret;

err_mfd:
    mfd_remove_devices(max77693->dev);
err_irq_init:
    i2c_unregister_device(max77693->muic);
    i2c_unregister_device(max77693->haptic);
err:
    kfree(max77693);
    return ret;
}
static int max77693_i2c_probe(struct i2c_client *i2c,
			      const struct i2c_device_id *id)
{
	struct max77693_dev *max77693;
	struct max77693_platform_data *pdata = i2c->dev.platform_data;
	u8 reg_data;
	int ret = 0;

	max77693 = kzalloc(sizeof(struct max77693_dev), GFP_KERNEL);
	if (max77693 == NULL)
		return -ENOMEM;

	i2c_set_clientdata(i2c, max77693);
	max77693->dev = &i2c->dev;
	max77693->i2c = i2c;
	max77693->irq = i2c->irq;
	max77693->type = id->driver_data;
	if (pdata) {
		max77693->irq_base = pdata->irq_base;
		max77693->irq_gpio = pdata->irq_gpio;
		max77693->wakeup = pdata->wakeup;
	} else
		goto err;

	mutex_init(&max77693->iolock);

	if (max77693_read_reg(i2c, MAX77693_PMIC_REG_PMIC_ID2, &reg_data) < 0) {
		dev_err(max77693->dev,
			"device not found on this channel (this is not an error)\n");
		ret = -ENODEV;
		goto err;
	} else {
		/* print rev */
		max77693->pmic_rev = (reg_data & 0x7);
		max77693->pmic_ver = ((reg_data & 0xF8) >> 0x3);
		pr_info("%s: device found: rev.0x%x, ver.0x%x\n", __func__,
				max77693->pmic_rev, max77693->pmic_ver);
	}

#if defined(CONFIG_MACH_JF_VZW) || defined(CONFIG_MACH_JF_LGT)
	if (kernel_sec_get_debug_level() == KERNEL_SEC_DEBUG_LEVEL_LOW) {
		pm8xxx_hard_reset_config(PM8XXX_DISABLE_HARD_RESET);
		max77693_write_reg(i2c, MAX77693_PMIC_REG_MAINCTRL1, 0x04);
	} else {
		pm8xxx_hard_reset_config(PM8XXX_DISABLE_HARD_RESET);
		max77693_write_reg(i2c, MAX77693_PMIC_REG_MAINCTRL1, 0x0c);
	}
#else
	if (kernel_sec_get_debug_level() == KERNEL_SEC_DEBUG_LEVEL_LOW) {
		max77693_write_reg(i2c, MAX77693_PMIC_REG_MAINCTRL1, 0x04);
	} else {
		pm8xxx_hard_reset_config(PM8XXX_DISABLE_HARD_RESET);
		max77693_write_reg(i2c, MAX77693_PMIC_REG_MAINCTRL1, 0x0c);
	}
#endif
	max77693_update_reg(i2c, MAX77693_CHG_REG_SAFEOUT_CTRL, 0x00, 0x30);

	max77693->muic = i2c_new_dummy(i2c->adapter, I2C_ADDR_MUIC);
	i2c_set_clientdata(max77693->muic, max77693);

	max77693->haptic = i2c_new_dummy(i2c->adapter, I2C_ADDR_HAPTIC);
	i2c_set_clientdata(max77693->haptic, max77693);

	ret = max77693_irq_init(max77693);
	if (ret < 0)
		goto err_irq_init;

	ret = mfd_add_devices(max77693->dev, -1, max77693_devs,
			ARRAY_SIZE(max77693_devs), NULL, 0);
	if (ret < 0)
		goto err_mfd;

	device_init_wakeup(max77693->dev, pdata->wakeup);

	return ret;

err_mfd:
	mfd_remove_devices(max77693->dev);
err_irq_init:
	i2c_unregister_device(max77693->muic);
	i2c_unregister_device(max77693->haptic);
err:
	kfree(max77693);
	return ret;
}
Exemplo n.º 3
0
static int max77693_i2c_probe(struct i2c_client *i2c,
			      const struct i2c_device_id *id)
{
	struct max77693_dev *max77693;
	struct max77693_platform_data *pdata = i2c->dev.platform_data;
	u8 reg_data;
	int ret = 0;

	max77693 = devm_kzalloc(&i2c->dev,
			sizeof(struct max77693_dev), GFP_KERNEL);
	if (max77693 == NULL)
		return -ENOMEM;

	max77693->regmap = devm_regmap_init_i2c(i2c, &max77693_regmap_config);
	if (IS_ERR(max77693->regmap)) {
		ret = PTR_ERR(max77693->regmap);
		dev_err(max77693->dev,"failed to allocate register map: %d\n",
				ret);
		goto err_regmap;
	}

	i2c_set_clientdata(i2c, max77693);
	max77693->dev = &i2c->dev;
	max77693->i2c = i2c;
	max77693->irq = i2c->irq;
	max77693->type = id->driver_data;

	if (!pdata)
		goto err_regmap;

	max77693->wakeup = pdata->wakeup;

	mutex_init(&max77693->iolock);

	if (max77693_read_reg(max77693->regmap,
				MAX77693_PMIC_REG_PMIC_ID2, &reg_data) < 0) {
		dev_err(max77693->dev, "device not found on this channel\n");
		ret = -ENODEV;
		goto err_regmap;
	} else
		dev_info(max77693->dev, "device ID: 0x%x\n", reg_data);

	max77693->muic = i2c_new_dummy(i2c->adapter, I2C_ADDR_MUIC);
	i2c_set_clientdata(max77693->muic, max77693);

	max77693->haptic = i2c_new_dummy(i2c->adapter, I2C_ADDR_HAPTIC);
	i2c_set_clientdata(max77693->haptic, max77693);

	ret = max77693_irq_init(max77693);
	if (ret < 0)
		goto err_mfd;

	pm_runtime_set_active(max77693->dev);

	ret = mfd_add_devices(max77693->dev, -1, max77693_devs,
			ARRAY_SIZE(max77693_devs), NULL, 0);
	if (ret < 0)
		goto err_mfd;

	device_init_wakeup(max77693->dev, pdata->wakeup);

	return ret;

err_mfd:
	i2c_unregister_device(max77693->muic);
	i2c_unregister_device(max77693->haptic);
err_regmap:
	kfree(max77693);

	return ret;
}
Exemplo n.º 4
0
static int max77693_i2c_probe(struct i2c_client *i2c,
                              const struct i2c_device_id *id)
{
    struct max77693_dev *max77693;
    struct max77693_platform_data *pdata = i2c->dev.platform_data;
    u8 reg_data;
    int ret = 0;

    pr_info("%s\n", __func__);
    max77693 = kzalloc(sizeof(struct max77693_dev), GFP_KERNEL);
    if (max77693 == NULL)
        return -ENOMEM;

    i2c_set_clientdata(i2c, max77693);
    max77693->dev = &i2c->dev;
    max77693->i2c = i2c;
    max77693->irq = i2c->irq;
    max77693->type = id->driver_data;
    if (pdata) {
        max77693->irq_base = pdata->irq_base;
        max77693->irq_gpio = pdata->irq_gpio;
        max77693->wakeup = pdata->wakeup;
    } else {
        ret = -EIO;
        goto err;
    }
    mutex_init(&max77693->iolock);

    if (max77693_read_reg(i2c, MAX77693_PMIC_REG_PMIC_ID2, &reg_data) < 0) {
        dev_err(max77693->dev,
                "device not found on this channel (this is not an error)\n");
        ret = -ENODEV;
        goto err;
    } else {
        /* print rev */
        max77693->pmic_rev = (reg_data & 0x7);
        max77693->pmic_ver = ((reg_data & 0xF8) >> 0x3);
        pr_info("%s: device found: rev.0x%x, ver.0x%x\n", __func__,
                max77693->pmic_rev, max77693->pmic_ver);
    }

    max77693->muic = i2c_new_dummy(i2c->adapter, I2C_ADDR_MUIC);
    i2c_set_clientdata(max77693->muic, max77693);

    max77693->haptic = i2c_new_dummy(i2c->adapter, I2C_ADDR_HAPTIC);
    i2c_set_clientdata(max77693->haptic, max77693);

    ret = max77693_irq_init(max77693);
    if (ret < 0)
        goto err_irq_init;

    ret = mfd_add_devices(max77693->dev, -1, max77693_devs,
                          ARRAY_SIZE(max77693_devs), NULL, 0);
    if (ret < 0)
        goto err_mfd;

    device_init_wakeup(max77693->dev, pdata->wakeup);

    return ret;

err_mfd:
    mfd_remove_devices(max77693->dev);
err_irq_init:
    i2c_unregister_device(max77693->muic);
    i2c_unregister_device(max77693->haptic);
err:
    kfree(max77693);
    return ret;
}
Exemplo n.º 5
0
static int max77693_i2c_probe(struct i2c_client *i2c,
						const struct i2c_device_id *id)
{
	struct max77693_dev *max77693;
	struct max77693_platform_data *pdata = i2c->dev.platform_data;
	u8 reg_data;
	int ret = 0;

	max77693 = kzalloc(sizeof(struct max77693_dev), GFP_KERNEL);
	if (max77693 == NULL)
		return -ENOMEM;

	i2c_set_clientdata(i2c, max77693);
	max77693->dev = &i2c->dev;
	max77693->i2c = i2c;
	max77693->irq = i2c->irq;
	max77693->type = id->driver_data;
	if (pdata) {
		max77693->irq_base = pdata->irq_base;
		max77693->irq_gpio = pdata->irq_gpio;
		max77693->irq_gpio_label = pdata->irq_gpio_label;
		max77693->wakeup = pdata->wakeup;
		pdata->haptic_data->pmic_i2c = i2c;
	} else {
		ret = -EINVAL;
		goto err_pdata;
	}

	mutex_init(&max77693->iolock);

	ret = max77693_read_reg(i2c, MAX77693_PMIC_REG_PMIC_ID2, &reg_data);
	if (unlikely(ret < 0)) {
		dev_warn(max77693->dev, "No PMIC Version Information\n");
		goto err_i2c;
	}

	max77693->pmic_rev = PMIC_REV(reg_data);
	max77693->pmic_ver = PMIC_VER(reg_data);

	reg_data = (pdata->man_reset_timer & MAIN_CTRL1_MRDBTMER_MASK) |
		(pdata->man_reset_en << MAIN_CTRL1_MREN_SHIFT);
	ret = max77693_write_reg(i2c, MAX77693_PMIC_REG_MAINCTRL1, reg_data);
	if (unlikely(ret < 0)) {
		dev_warn(max77693->dev, "failed to set manctrl1\n");
		goto err_i2c;
	}

	dev_info(max77693->dev, "%s: rev.0x%x, ver.0x%x, manctrl1: 0x%x\n",
			__func__, max77693->pmic_rev, max77693->pmic_ver,
			reg_data);

	max77693->muic = i2c_new_dummy(i2c->adapter, I2C_ADDR_MUIC);
	i2c_set_clientdata(max77693->muic, max77693);

	max77693->fuel = i2c_new_dummy(i2c->adapter, I2C_ADDR_FUEL);
	i2c_set_clientdata(max77693->fuel, max77693);

	max77693->haptic = i2c_new_dummy(i2c->adapter, I2C_ADDR_HAPTIC);
	i2c_set_clientdata(max77693->haptic, max77693);
	pdata->haptic_data->haptic_i2c = max77693->haptic;

	ret = max77693_irq_init(max77693);
	if (ret < 0)
		goto err_irq;

	ret = mfd_add_devices(max77693->dev, -1, max77693_devs,
					ARRAY_SIZE(max77693_devs), NULL, 0);
	if (ret < 0)
		goto err_mfd;

	device_init_wakeup(max77693->dev, pdata->wakeup);

	return ret;

err_mfd:
	mfd_remove_devices(max77693->dev);
err_irq:
	i2c_unregister_device(max77693->muic);
	i2c_unregister_device(max77693->fuel);
	i2c_unregister_device(max77693->haptic);
err_i2c:
	mutex_destroy(&max77693->iolock);
err_pdata:
	kfree(max77693);

	return ret;
}