/* Copyright (c) 2009-2011, The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and * only version 2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * */ /* * Qualcomm PMIC8058 driver * */ #include #include #include #include #include #include #include #include #include #include #define REG_MPP_BASE 0x50 #define REG_IRQ_BASE 0x1BB /* PMIC8058 Revision */ #define PM8058_REG_REV 0x002 /* PMIC4 revision */ #define PM8058_VERSION_MASK 0xF0 #define PM8058_REVISION_MASK 0x0F #define PM8058_VERSION_VALUE 0xE0 /* PMIC 8058 Battery Alarm SSBI registers */ #define REG_BATT_ALARM_THRESH 0x023 #define REG_BATT_ALARM_CTRL1 0x024 #define REG_BATT_ALARM_CTRL2 0x0AA #define REG_BATT_ALARM_PWM_CTRL 0x0A3 #define REG_TEMP_ALRM_CTRL 0x1B #define REG_TEMP_ALRM_PWM 0x9B /* PON CNTL 4 register */ #define SSBI_REG_ADDR_PON_CNTL_4 0x98 #define PM8058_PON_RESET_EN_MASK 0x01 /* PON CNTL 5 register */ #define SSBI_REG_ADDR_PON_CNTL_5 0x7B #define PM8058_HARD_RESET_EN_MASK 0x08 /* GP_TEST1 register */ #define SSBI_REG_ADDR_GP_TEST_1 0x07A #define PM8058_RTC_BASE 0x1E8 #define PM8058_OTHC_CNTR_BASE0 0xA0 #define PM8058_OTHC_CNTR_BASE1 0x134 #define PM8058_OTHC_CNTR_BASE2 0x137 #define SINGLE_IRQ_RESOURCE(_name, _irq) \ { \ .name = _name, \ .start = _irq, \ .end = _irq, \ .flags = IORESOURCE_IRQ, \ } struct pm8058_chip { struct pm8058_platform_data pdata; struct device *dev; struct pm_irq_chip *irq_chip; struct mfd_cell *mfd_regulators, *mfd_xo_buffers; u8 revision; }; static int pm8058_readb(const struct device *dev, u16 addr, u8 *val) { const struct pm8xxx_drvdata *pm8058_drvdata = dev_get_drvdata(dev); const struct pm8058_chip *pmic = pm8058_drvdata->pm_chip_data; return msm_ssbi_read(pmic->dev->parent, addr, val, 1); } static int pm8058_writeb(const struct device *dev, u16 addr, u8 val) { const struct pm8xxx_drvdata *pm8058_drvdata = dev_get_drvdata(dev); const struct pm8058_chip *pmic = pm8058_drvdata->pm_chip_data; return msm_ssbi_write(pmic->dev->parent, addr, &val, 1); } static int pm8058_read_buf(const struct device *dev, u16 addr, u8 *buf, int cnt) { const struct pm8xxx_drvdata *pm8058_drvdata = dev_get_drvdata(dev); const struct pm8058_chip *pmic = pm8058_drvdata->pm_chip_data; return msm_ssbi_read(pmic->dev->parent, addr, buf, cnt); } static int pm8058_write_buf(const struct device *dev, u16 addr, u8 *buf, int cnt) { const struct pm8xxx_drvdata *pm8058_drvdata = dev_get_drvdata(dev); const struct pm8058_chip *pmic = pm8058_drvdata->pm_chip_data; return msm_ssbi_write(pmic->dev->parent, addr, buf, cnt); } static int pm8058_read_irq_stat(const struct device *dev, int irq) { const struct pm8xxx_drvdata *pm8058_drvdata = dev_get_drvdata(dev); const struct pm8058_chip *pmic = pm8058_drvdata->pm_chip_data; return pm8xxx_get_irq_stat(pmic->irq_chip, irq); return 0; } static enum pm8xxx_version pm8058_get_version(const struct device *dev) { const struct pm8xxx_drvdata *pm8058_drvdata = dev_get_drvdata(dev); const struct pm8058_chip *pmic = pm8058_drvdata->pm_chip_data; enum pm8xxx_version version = -ENODEV; if ((pmic->revision & PM8058_VERSION_MASK) == PM8058_VERSION_VALUE) version = PM8XXX_VERSION_8058; return version; } static int pm8058_get_revision(const struct device *dev) { const struct pm8xxx_drvdata *pm8058_drvdata = dev_get_drvdata(dev); const struct pm8058_chip *pmic = pm8058_drvdata->pm_chip_data; return pmic->revision & PM8058_REVISION_MASK; } static struct pm8xxx_drvdata pm8058_drvdata = { .pmic_readb = pm8058_readb, .pmic_writeb = pm8058_writeb, .pmic_read_buf = pm8058_read_buf, .pmic_write_buf = pm8058_write_buf, .pmic_read_irq_stat = pm8058_read_irq_stat, .pmic_get_version = pm8058_get_version, .pmic_get_revision = pm8058_get_revision, }; static const struct resource pm8058_charger_resources[] __devinitconst = { SINGLE_IRQ_RESOURCE("CHGVAL", PM8058_CHGVAL_IRQ), SINGLE_IRQ_RESOURCE("CHGINVAL", PM8058_CHGINVAL_IRQ), SINGLE_IRQ_RESOURCE("CHGILIM", PM8058_CHGILIM_IRQ), SINGLE_IRQ_RESOURCE("VCP", PM8058_VCP_IRQ), SINGLE_IRQ_RESOURCE("ATC_DONE", PM8058_ATC_DONE_IRQ), SINGLE_IRQ_RESOURCE("ATCFAIL", PM8058_ATCFAIL_IRQ), SINGLE_IRQ_RESOURCE("AUTO_CHGDONE", PM8058_AUTO_CHGDONE_IRQ), SINGLE_IRQ_RESOURCE("AUTO_CHGFAIL", PM8058_AUTO_CHGFAIL_IRQ), SINGLE_IRQ_RESOURCE("CHGSTATE", PM8058_CHGSTATE_IRQ), SINGLE_IRQ_RESOURCE("FASTCHG", PM8058_FASTCHG_IRQ), SINGLE_IRQ_RESOURCE("CHG_END", PM8058_CHG_END_IRQ), SINGLE_IRQ_RESOURCE("BATTTEMP", PM8058_BATTTEMP_IRQ), SINGLE_IRQ_RESOURCE("CHGHOT", PM8058_CHGHOT_IRQ), SINGLE_IRQ_RESOURCE("CHGTLIMIT", PM8058_CHGTLIMIT_IRQ), SINGLE_IRQ_RESOURCE("CHG_GONE", PM8058_CHG_GONE_IRQ), SINGLE_IRQ_RESOURCE("VCPMAJOR", PM8058_VCPMAJOR_IRQ), SINGLE_IRQ_RESOURCE("VBATDET", PM8058_VBATDET_IRQ), SINGLE_IRQ_RESOURCE("BATFET", PM8058_BATFET_IRQ), SINGLE_IRQ_RESOURCE("BATT_REPLACE", PM8058_BATT_REPLACE_IRQ), SINGLE_IRQ_RESOURCE("BATTCONNECT", PM8058_BATTCONNECT_IRQ), SINGLE_IRQ_RESOURCE("VBATDET_LOW", PM8058_VBATDET_LOW_IRQ), }; static struct mfd_cell pm8058_charger_cell __devinitdata = { .name = "pm8058-charger", .id = -1, .resources = pm8058_charger_resources, .num_resources = ARRAY_SIZE(pm8058_charger_resources), }; static const struct resource misc_cell_resources[] __devinitconst = { SINGLE_IRQ_RESOURCE("pm8xxx_osc_halt_irq", PM8058_OSCHALT_IRQ), }; static struct mfd_cell misc_cell __devinitdata = { .name = PM8XXX_MISC_DEV_NAME, .id = -1, .resources = misc_cell_resources, .num_resources = ARRAY_SIZE(misc_cell_resources), }; static struct mfd_cell pm8058_pwm_cell __devinitdata = { .name = "pm8058-pwm", .id = -1, }; static struct resource xoadc_resources[] = { SINGLE_IRQ_RESOURCE(NULL, PM8058_ADC_IRQ), }; static struct mfd_cell xoadc_cell __devinitdata = { .name = "pm8058-xoadc", .id = -1, .resources = xoadc_resources, .num_resources = ARRAY_SIZE(xoadc_resources), }; static const struct resource thermal_alarm_cell_resources[] __devinitconst = { SINGLE_IRQ_RESOURCE("pm8058_tempstat_irq", PM8058_TEMPSTAT_IRQ), SINGLE_IRQ_RESOURCE("pm8058_overtemp_irq", PM8058_OVERTEMP_IRQ), }; static struct pm8xxx_tm_core_data thermal_alarm_cdata = { .adc_channel = CHANNEL_ADC_DIE_TEMP, .adc_type = PM8XXX_TM_ADC_PM8058_ADC, .reg_addr_temp_alarm_ctrl = REG_TEMP_ALRM_CTRL, .reg_addr_temp_alarm_pwm = REG_TEMP_ALRM_PWM, .tm_name = "pm8058_tz", .irq_name_temp_stat = "pm8058_tempstat_irq", .irq_name_over_temp = "pm8058_overtemp_irq", }; static struct mfd_cell thermal_alarm_cell __devinitdata = { .name = PM8XXX_TM_DEV_NAME, .id = -1, .resources = thermal_alarm_cell_resources, .num_resources = ARRAY_SIZE(thermal_alarm_cell_resources), .platform_data = &thermal_alarm_cdata, .pdata_size = sizeof(struct pm8xxx_tm_core_data), }; static struct mfd_cell debugfs_cell __devinitdata = { .name = "pm8xxx-debug", .id = -1, .platform_data = "pm8058-dbg", .pdata_size = sizeof("pm8058-dbg"), }; static const struct resource othc0_cell_resources[] __devinitconst = { { .name = "othc_base", .start = PM8058_OTHC_CNTR_BASE0, .end = PM8058_OTHC_CNTR_BASE0, .flags = IORESOURCE_IO, }, }; static const struct resource othc1_cell_resources[] __devinitconst = { SINGLE_IRQ_RESOURCE(NULL, PM8058_SW_1_IRQ), SINGLE_IRQ_RESOURCE(NULL, PM8058_IR_1_IRQ), { .name = "othc_base", .start = PM8058_OTHC_CNTR_BASE1, .end = PM8058_OTHC_CNTR_BASE1, .flags = IORESOURCE_IO, }, }; static const struct resource othc2_cell_resources[] __devinitconst = { { .name = "othc_base", .start = PM8058_OTHC_CNTR_BASE2, .end = PM8058_OTHC_CNTR_BASE2, .flags = IORESOURCE_IO, }, }; static const struct resource batt_alarm_cell_resources[] __devinitconst = { SINGLE_IRQ_RESOURCE("pm8058_batt_alarm_irq", PM8058_BATT_ALARM_IRQ), }; static struct mfd_cell leds_cell __devinitdata = { .name = "pm8058-led", .id = -1, }; static struct mfd_cell othc0_cell __devinitdata = { .name = "pm8058-othc", .id = 0, .resources = othc0_cell_resources, .num_resources = ARRAY_SIZE(othc0_cell_resources), }; static struct mfd_cell othc1_cell __devinitdata = { .name = "pm8058-othc", .id = 1, .resources = othc1_cell_resources, .num_resources = ARRAY_SIZE(othc1_cell_resources), }; static struct mfd_cell othc2_cell __devinitdata = { .name = "pm8058-othc", .id = 2, .resources = othc2_cell_resources, .num_resources = ARRAY_SIZE(othc2_cell_resources), }; static struct pm8xxx_batt_alarm_core_data batt_alarm_cdata = { .irq_name = "pm8058_batt_alarm_irq", .reg_addr_threshold = REG_BATT_ALARM_THRESH, .reg_addr_ctrl1 = REG_BATT_ALARM_CTRL1, .reg_addr_ctrl2 = REG_BATT_ALARM_CTRL2, .reg_addr_pwm_ctrl = REG_BATT_ALARM_PWM_CTRL, }; static struct mfd_cell batt_alarm_cell __devinitdata = { .name = PM8XXX_BATT_ALARM_DEV_NAME, .id = -1, .resources = batt_alarm_cell_resources, .num_resources = ARRAY_SIZE(batt_alarm_cell_resources), .platform_data = &batt_alarm_cdata, .pdata_size = sizeof(struct pm8xxx_batt_alarm_core_data), }; static struct mfd_cell upl_cell __devinitdata = { .name = PM8XXX_UPL_DEV_NAME, .id = -1, }; static struct mfd_cell nfc_cell __devinitdata = { .name = PM8XXX_NFC_DEV_NAME, .id = -1, }; static const struct resource rtc_cell_resources[] __devinitconst = { [0] = SINGLE_IRQ_RESOURCE(NULL, PM8058_RTC_ALARM_IRQ), [1] = { .name = "pmic_rtc_base", .start = PM8058_RTC_BASE, .end = PM8058_RTC_BASE, .flags = IORESOURCE_IO, }, }; static struct mfd_cell rtc_cell __devinitdata = { .name = PM8XXX_RTC_DEV_NAME, .id = -1, .resources = rtc_cell_resources, .num_resources = ARRAY_SIZE(rtc_cell_resources), }; static const struct resource resources_pwrkey[] __devinitconst = { SINGLE_IRQ_RESOURCE(NULL, PM8058_PWRKEY_REL_IRQ), SINGLE_IRQ_RESOURCE(NULL, PM8058_PWRKEY_PRESS_IRQ), }; static struct mfd_cell vibrator_cell __devinitdata = { .name = PM8XXX_VIBRATOR_DEV_NAME, .id = -1, }; static struct mfd_cell pwrkey_cell __devinitdata = { .name = PM8XXX_PWRKEY_DEV_NAME, .id = -1, .num_resources = ARRAY_SIZE(resources_pwrkey), .resources = resources_pwrkey, }; static const struct resource resources_keypad[] = { SINGLE_IRQ_RESOURCE(NULL, PM8058_KEYPAD_IRQ), SINGLE_IRQ_RESOURCE(NULL, PM8058_KEYSTUCK_IRQ), }; static struct mfd_cell keypad_cell __devinitdata = { .name = PM8XXX_KEYPAD_DEV_NAME, .id = -1, .num_resources = ARRAY_SIZE(resources_keypad), .resources = resources_keypad, }; static const struct resource mpp_cell_resources[] __devinitconst = { { .start = PM8058_IRQ_BLOCK_BIT(PM8058_MPP_BLOCK_START, 0), .end = PM8058_IRQ_BLOCK_BIT(PM8058_MPP_BLOCK_START, 0) + PM8058_MPPS - 1, .flags = IORESOURCE_IRQ, }, }; static struct mfd_cell mpp_cell __devinitdata = { .name = PM8XXX_MPP_DEV_NAME, .id = 0, .resources = mpp_cell_resources, .num_resources = ARRAY_SIZE(mpp_cell_resources), }; static const struct resource gpio_cell_resources[] __devinitconst = { [0] = { .start = PM8058_IRQ_BLOCK_BIT(PM8058_GPIO_BLOCK_START, 0), .end = PM8058_IRQ_BLOCK_BIT(PM8058_GPIO_BLOCK_START, 0) + PM8058_GPIOS - 1, .flags = IORESOURCE_IRQ, }, }; static struct mfd_cell gpio_cell __devinitdata = { .name = PM8XXX_GPIO_DEV_NAME, .id = -1, .resources = gpio_cell_resources, .num_resources = ARRAY_SIZE(gpio_cell_resources), }; static int __devinit pm8058_add_subdevices(const struct pm8058_platform_data *pdata, struct pm8058_chip *pmic) { int rc = 0, irq_base = 0, i; struct pm_irq_chip *irq_chip; static struct mfd_cell *mfd_regulators, *mfd_xo_buffers; if (pdata->irq_pdata) { pdata->irq_pdata->irq_cdata.nirqs = PM8058_NR_IRQS; pdata->irq_pdata->irq_cdata.base_addr = REG_IRQ_BASE; irq_base = pdata->irq_pdata->irq_base; irq_chip = pm8xxx_irq_init(pmic->dev, pdata->irq_pdata); if (IS_ERR(irq_chip)) { pr_err("Failed to init interrupts ret=%ld\n", PTR_ERR(irq_chip)); return PTR_ERR(irq_chip); } pmic->irq_chip = irq_chip; } if (pdata->gpio_pdata) { pdata->gpio_pdata->gpio_cdata.ngpios = PM8058_GPIOS; gpio_cell.platform_data = pdata->gpio_pdata; gpio_cell.pdata_size = sizeof(struct pm8xxx_gpio_platform_data); rc = mfd_add_devices(pmic->dev, 0, &gpio_cell, 1, NULL, irq_base); if (rc) { pr_err("Failed to add gpio subdevice ret=%d\n", rc); goto bail; } } if (pdata->mpp_pdata) { pdata->mpp_pdata->core_data.nmpps = PM8058_MPPS; pdata->mpp_pdata->core_data.base_addr = REG_MPP_BASE; mpp_cell.platform_data = pdata->mpp_pdata; mpp_cell.pdata_size = sizeof(struct pm8xxx_mpp_platform_data); rc = mfd_add_devices(pmic->dev, 0, &mpp_cell, 1, NULL, irq_base); if (rc) { pr_err("Failed to add mpp subdevice ret=%d\n", rc); goto bail; } } if (pdata->num_regulators > 0 && pdata->regulator_pdatas) { mfd_regulators = kzalloc(sizeof(struct mfd_cell) * (pdata->num_regulators), GFP_KERNEL); if (!mfd_regulators) { pr_err("Cannot allocate %d bytes for pm8058 regulator " "mfd cells\n", sizeof(struct mfd_cell) * (pdata->num_regulators)); rc = -ENOMEM; goto bail; } for (i = 0; i < pdata->num_regulators; i++) { mfd_regulators[i].name = "pm8058-regulator"; mfd_regulators[i].id = pdata->regulator_pdatas[i].id; mfd_regulators[i].platform_data = &(pdata->regulator_pdatas[i]); mfd_regulators[i].pdata_size = sizeof(struct pm8058_vreg_pdata); } rc = mfd_add_devices(pmic->dev, 0, mfd_regulators, pdata->num_regulators, NULL, irq_base); if (rc) { pr_err("Failed to add regulator subdevices ret=%d\n", rc); kfree(mfd_regulators); goto bail; } pmic->mfd_regulators = mfd_regulators; } if (pdata->num_xo_buffers > 0 && pdata->xo_buffer_pdata) { mfd_xo_buffers = kzalloc(sizeof(struct mfd_cell) * (pdata->num_xo_buffers), GFP_KERNEL); if (!mfd_xo_buffers) { pr_err("Cannot allocate %d bytes for pm8058 XO buffer " "mfd cells\n", sizeof(struct mfd_cell) * (pdata->num_xo_buffers)); rc = -ENOMEM; goto bail; } for (i = 0; i < pdata->num_xo_buffers; i++) { mfd_xo_buffers[i].name = PM8058_XO_BUFFER_DEV_NAME; mfd_xo_buffers[i].id = pdata->xo_buffer_pdata[i].id; mfd_xo_buffers[i].platform_data = &(pdata->xo_buffer_pdata[i]); mfd_xo_buffers[i].pdata_size = sizeof(struct pm8058_xo_pdata); } rc = mfd_add_devices(pmic->dev, 0, mfd_xo_buffers, pdata->num_xo_buffers, NULL, irq_base); if (rc) { pr_err("Failed to add XO buffer subdevices ret=%d\n", rc); kfree(mfd_xo_buffers); goto bail; } pmic->mfd_xo_buffers = mfd_xo_buffers; } if (pdata->keypad_pdata) { keypad_cell.platform_data = pdata->keypad_pdata; keypad_cell.pdata_size = sizeof(struct pm8xxx_keypad_platform_data); rc = mfd_add_devices(pmic->dev, 0, &keypad_cell, 1, NULL, irq_base); if (rc) { pr_err("Failed to add keypad subdevice ret=%d\n", rc); goto bail; } } if (pdata->rtc_pdata) { rtc_cell.platform_data = pdata->rtc_pdata; rtc_cell.pdata_size = sizeof(struct pm8xxx_rtc_platform_data); rc = mfd_add_devices(pmic->dev, 0, &rtc_cell, 1, NULL, irq_base); if (rc) { pr_err("Failed to add rtc subdevice ret=%d\n", rc); goto bail; } } if (pdata->pwrkey_pdata) { pwrkey_cell.platform_data = pdata->pwrkey_pdata; pwrkey_cell.pdata_size = sizeof(struct pm8xxx_pwrkey_platform_data); rc = mfd_add_devices(pmic->dev, 0, &pwrkey_cell, 1, NULL, irq_base); if (rc) { pr_err("Failed to add pwrkey subdevice ret=%d\n", rc); goto bail; } } if (pdata->vibrator_pdata) { vibrator_cell.platform_data = pdata->vibrator_pdata; vibrator_cell.pdata_size = sizeof(struct pm8xxx_vibrator_platform_data); rc = mfd_add_devices(pmic->dev, 0, &vibrator_cell, 1, NULL, irq_base); if (rc) { pr_err("Failed to add vibrator subdevice ret=%d\n", rc); goto bail; } } if (pdata->leds_pdata) { leds_cell.platform_data = pdata->leds_pdata; leds_cell.pdata_size = sizeof(struct pmic8058_leds_platform_data); rc = mfd_add_devices(pmic->dev, 0, &leds_cell, 1, NULL, irq_base); if (rc) { pr_err("Failed to add leds subdevice ret=%d\n", rc); goto bail; } } if (pdata->xoadc_pdata) { xoadc_cell.platform_data = pdata->xoadc_pdata; xoadc_cell.pdata_size = sizeof(struct xoadc_platform_data); rc = mfd_add_devices(pmic->dev, 0, &xoadc_cell, 1, NULL, irq_base); if (rc) { pr_err("Failed to add leds subdevice ret=%d\n", rc); goto bail; } } if (pdata->othc0_pdata) { othc0_cell.platform_data = pdata->othc0_pdata; othc0_cell.pdata_size = sizeof(struct pmic8058_othc_config_pdata); rc = mfd_add_devices(pmic->dev, 0, &othc0_cell, 1, NULL, 0); if (rc) { pr_err("Failed to add othc0 subdevice ret=%d\n", rc); goto bail; } } if (pdata->othc1_pdata) { othc1_cell.platform_data = pdata->othc1_pdata; othc1_cell.pdata_size = sizeof(struct pmic8058_othc_config_pdata); rc = mfd_add_devices(pmic->dev, 0, &othc1_cell, 1, NULL, irq_base); if (rc) { pr_err("Failed to add othc1 subdevice ret=%d\n", rc); goto bail; } } if (pdata->othc2_pdata) { othc2_cell.platform_data = pdata->othc2_pdata; othc2_cell.pdata_size = sizeof(struct pmic8058_othc_config_pdata); rc = mfd_add_devices(pmic->dev, 0, &othc2_cell, 1, NULL, 0); if (rc) { pr_err("Failed to add othc2 subdevice ret=%d\n", rc); goto bail; } } if (pdata->pwm_pdata) { pm8058_pwm_cell.platform_data = pdata->pwm_pdata; pm8058_pwm_cell.pdata_size = sizeof(struct pm8058_pwm_pdata); rc = mfd_add_devices(pmic->dev, 0, &pm8058_pwm_cell, 1, NULL, irq_base); if (rc) { pr_err("Failed to add pwm subdevice ret=%d\n", rc); goto bail; } } if (pdata->misc_pdata) { misc_cell.platform_data = pdata->misc_pdata; misc_cell.pdata_size = sizeof(struct pm8xxx_misc_platform_data); rc = mfd_add_devices(pmic->dev, 0, &misc_cell, 1, NULL, irq_base); if (rc) { pr_err("Failed to add misc subdevice ret=%d\n", rc); goto bail; } } rc = mfd_add_devices(pmic->dev, 0, &thermal_alarm_cell, 1, NULL, irq_base); if (rc) { pr_err("Failed to add thermal alarm subdevice ret=%d\n", rc); goto bail; } rc = mfd_add_devices(pmic->dev, 0, &batt_alarm_cell, 1, NULL, irq_base); if (rc) { pr_err("Failed to add battery alarm subdevice ret=%d\n", rc); goto bail; } rc = mfd_add_devices(pmic->dev, 0, &upl_cell, 1, NULL, 0); if (rc) { pr_err("Failed to add upl subdevice ret=%d\n", rc); goto bail; } rc = mfd_add_devices(pmic->dev, 0, &nfc_cell, 1, NULL, 0); if (rc) { pr_err("Failed to add upl subdevice ret=%d\n", rc); goto bail; } if (pdata->charger_pdata) { pm8058_charger_cell.platform_data = pdata->charger_pdata; pm8058_charger_cell.pdata_size = sizeof(struct pmic8058_charger_data); rc = mfd_add_devices(pmic->dev, 0, &pm8058_charger_cell, 1, NULL, irq_base); if (rc) { pr_err("Failed to add charger subdevice ret=%d\n", rc); goto bail; } } rc = mfd_add_devices(pmic->dev, 0, &debugfs_cell, 1, NULL, irq_base); if (rc) { pr_err("Failed to add debugfs subdevice ret=%d\n", rc); goto bail; } return rc; bail: if (pmic->irq_chip) { pm8xxx_irq_exit(pmic->irq_chip); pmic->irq_chip = NULL; } return rc; } static int __devinit pm8058_probe(struct platform_device *pdev) { int rc; struct pm8058_platform_data *pdata = pdev->dev.platform_data; struct pm8058_chip *pmic; if (pdata == NULL) { pr_err("%s: No platform_data or IRQ.\n", __func__); return -ENODEV; } pmic = kzalloc(sizeof *pmic, GFP_KERNEL); if (pmic == NULL) { pr_err("%s: kzalloc() failed.\n", __func__); return -ENOMEM; } pmic->dev = &pdev->dev; pm8058_drvdata.pm_chip_data = pmic; platform_set_drvdata(pdev, &pm8058_drvdata); /* Read PMIC chip revision */ rc = pm8058_readb(pmic->dev, PM8058_REG_REV, &pmic->revision); if (rc) pr_err("%s: Failed on pm8058_readb for revision: rc=%d.\n", __func__, rc); pr_info("%s: PMIC revision: %X\n", __func__, pmic->revision); (void) memcpy((void *)&pmic->pdata, (const void *)pdata, sizeof(pmic->pdata)); rc = pm8058_add_subdevices(pdata, pmic); if (rc) { pr_err("Cannot add subdevices rc=%d\n", rc); goto err; } rc = pm8xxx_hard_reset_config(PM8XXX_SHUTDOWN_ON_HARD_RESET); if (rc < 0) pr_err("%s: failed to config shutdown on hard reset: %d\n", __func__, rc); return 0; err: mfd_remove_devices(pmic->dev); platform_set_drvdata(pdev, NULL); kfree(pmic); return rc; } static int __devexit pm8058_remove(struct platform_device *pdev) { struct pm8xxx_drvdata *drvdata; struct pm8058_chip *pmic = NULL; drvdata = platform_get_drvdata(pdev); if (drvdata) pmic = drvdata->pm_chip_data; if (pmic) { if (pmic->dev) mfd_remove_devices(pmic->dev); if (pmic->irq_chip) pm8xxx_irq_exit(pmic->irq_chip); kfree(pmic->mfd_regulators); kfree(pmic); } platform_set_drvdata(pdev, NULL); return 0; } static struct platform_driver pm8058_driver = { .probe = pm8058_probe, .remove = __devexit_p(pm8058_remove), .driver = { .name = "pm8058-core", .owner = THIS_MODULE, }, }; static int __init pm8058_init(void) { return platform_driver_register(&pm8058_driver); } postcore_initcall(pm8058_init); static void __exit pm8058_exit(void) { platform_driver_unregister(&pm8058_driver); } module_exit(pm8058_exit); MODULE_LICENSE("GPL v2"); MODULE_DESCRIPTION("PMIC8058 core driver"); MODULE_VERSION("1.0"); MODULE_ALIAS("platform:pmic8058-core");