diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c new file mode 100644 index 0000000..fe479cc --- /dev/null +++ b/drivers/mfd/88pm800.c @@ -0,0 +1,593 @@ +/* + * Base driver for Marvell 88PM800 + * + * Copyright (C) 2012 Marvell International Ltd. + * Haojian Zhuang + * Joseph(Yossi) Hanin + * Qiao Zhou + * + * This file is subject to the terms and conditions of the GNU General + * Public License. See the file "COPYING" in the main directory of this + * archive for more details. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include +#include + +#define PM800_CHIP_ID (0x00) + +/* Interrupt Registers */ +#define PM800_INT_STATUS1 (0x05) +#define PM800_ONKEY_INT_STS1 (1 << 0) +#define PM800_EXTON_INT_STS1 (1 << 1) +#define PM800_CHG_INT_STS1 (1 << 2) +#define PM800_BAT_INT_STS1 (1 << 3) +#define PM800_RTC_INT_STS1 (1 << 4) +#define PM800_CLASSD_OC_INT_STS1 (1 << 5) + +#define PM800_INT_STATUS2 (0x06) +#define PM800_VBAT_INT_STS2 (1 << 0) +#define PM800_VSYS_INT_STS2 (1 << 1) +#define PM800_VCHG_INT_STS2 (1 << 2) +#define PM800_TINT_INT_STS2 (1 << 3) +#define PM800_GPADC0_INT_STS2 (1 << 4) +#define PM800_TBAT_INT_STS2 (1 << 5) +#define PM800_GPADC2_INT_STS2 (1 << 6) +#define PM800_GPADC3_INT_STS2 (1 << 7) + +#define PM800_INT_STATUS3 (0x07) + +#define PM800_INT_STATUS4 (0x08) +#define PM800_GPIO0_INT_STS4 (1 << 0) +#define PM800_GPIO1_INT_STS4 (1 << 1) +#define PM800_GPIO2_INT_STS4 (1 << 2) +#define PM800_GPIO3_INT_STS4 (1 << 3) +#define PM800_GPIO4_INT_STS4 (1 << 4) + +#define PM800_INT_ENA_1 (0x09) +#define PM800_ONKEY_INT_ENA1 (1 << 0) +#define PM800_EXTON_INT_ENA1 (1 << 1) +#define PM800_CHG_INT_ENA1 (1 << 2) +#define PM800_BAT_INT_ENA1 (1 << 3) +#define PM800_RTC_INT_ENA1 (1 << 4) +#define PM800_CLASSD_OC_INT_ENA1 (1 << 5) + +#define PM800_INT_ENA_2 (0x0A) +#define PM800_VBAT_INT_ENA2 (1 << 0) +#define PM800_VSYS_INT_ENA2 (1 << 1) +#define PM800_VCHG_INT_ENA2 (1 << 2) +#define PM800_TINT_INT_ENA2 (1 << 3) + +#define PM800_INT_ENA_3 (0x0B) +#define PM800_GPADC0_INT_ENA3 (1 << 0) +#define PM800_GPADC1_INT_ENA3 (1 << 1) +#define PM800_GPADC2_INT_ENA3 (1 << 2) +#define PM800_GPADC3_INT_ENA3 (1 << 3) +#define PM800_GPADC4_INT_ENA3 (1 << 4) + +#define PM800_INT_ENA_4 (0x0C) +#define PM800_GPIO0_INT_ENA4 (1 << 0) +#define PM800_GPIO1_INT_ENA4 (1 << 1) +#define PM800_GPIO2_INT_ENA4 (1 << 2) +#define PM800_GPIO3_INT_ENA4 (1 << 3) +#define PM800_GPIO4_INT_ENA4 (1 << 4) + +/* number of INT_ENA & INT_STATUS regs */ +#define PM800_INT_REG_NUM (4) + +/* Interrupt Number in 88PM800 */ +enum { + PM800_IRQ_ONKEY, /*EN1b0 *//*0 */ + PM800_IRQ_EXTON, /*EN1b1 */ + PM800_IRQ_CHG, /*EN1b2 */ + PM800_IRQ_BAT, /*EN1b3 */ + PM800_IRQ_RTC, /*EN1b4 */ + PM800_IRQ_CLASSD, /*EN1b5 *//*5 */ + PM800_IRQ_VBAT, /*EN2b0 */ + PM800_IRQ_VSYS, /*EN2b1 */ + PM800_IRQ_VCHG, /*EN2b2 */ + PM800_IRQ_TINT, /*EN2b3 */ + PM800_IRQ_GPADC0, /*EN3b0 *//*10 */ + PM800_IRQ_GPADC1, /*EN3b1 */ + PM800_IRQ_GPADC2, /*EN3b2 */ + PM800_IRQ_GPADC3, /*EN3b3 */ + PM800_IRQ_GPADC4, /*EN3b4 */ + PM800_IRQ_GPIO0, /*EN4b0 *//*15 */ + PM800_IRQ_GPIO1, /*EN4b1 */ + PM800_IRQ_GPIO2, /*EN4b2 */ + PM800_IRQ_GPIO3, /*EN4b3 */ + PM800_IRQ_GPIO4, /*EN4b4 *//*19 */ + PM800_MAX_IRQ, +}; + +enum { + /* Procida */ + PM800_CHIP_A0 = 0x60, + PM800_CHIP_A1 = 0x61, + PM800_CHIP_B0 = 0x62, + PM800_CHIP_C0 = 0x63, + PM800_CHIP_END = PM800_CHIP_C0, + + /* Make sure to update this to the last stepping */ + PM8XXX_CHIP_END = PM800_CHIP_END +}; + +static const struct i2c_device_id pm80x_id_table[] = { + {"88PM800", CHIP_PM800}, +}; +MODULE_DEVICE_TABLE(i2c, pm80x_id_table); + +static struct resource rtc_resources[] = { + { + .name = "88pm80x-rtc", + .start = PM800_IRQ_RTC, + .end = PM800_IRQ_RTC, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct mfd_cell rtc_devs[] = { + { + .name = "88pm80x-rtc", + .num_resources = ARRAY_SIZE(rtc_resources), + .resources = &rtc_resources[0], + .id = -1, + }, +}; + +static struct resource onkey_resources[] = { + { + .name = "88pm80x-onkey", + .start = PM800_IRQ_ONKEY, + .end = PM800_IRQ_ONKEY, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct mfd_cell onkey_devs[] = { + { + .name = "88pm80x-onkey", + .num_resources = 1, + .resources = &onkey_resources[0], + .id = -1, + }, +}; + +static const struct regmap_irq pm800_irqs[] = { + /* INT0 */ + [PM800_IRQ_ONKEY] = { + .mask = PM800_ONKEY_INT_ENA1, + }, + [PM800_IRQ_EXTON] = { + .mask = PM800_EXTON_INT_ENA1, + }, + [PM800_IRQ_CHG] = { + .mask = PM800_CHG_INT_ENA1, + }, + [PM800_IRQ_BAT] = { + .mask = PM800_BAT_INT_ENA1, + }, + [PM800_IRQ_RTC] = { + .mask = PM800_RTC_INT_ENA1, + }, + [PM800_IRQ_CLASSD] = { + .mask = PM800_CLASSD_OC_INT_ENA1, + }, + /* INT1 */ + [PM800_IRQ_VBAT] = { + .reg_offset = 1, + .mask = PM800_VBAT_INT_ENA2, + }, + [PM800_IRQ_VSYS] = { + .reg_offset = 1, + .mask = PM800_VSYS_INT_ENA2, + }, + [PM800_IRQ_VCHG] = { + .reg_offset = 1, + .mask = PM800_VCHG_INT_ENA2, + }, + [PM800_IRQ_TINT] = { + .reg_offset = 1, + .mask = PM800_TINT_INT_ENA2, + }, + /* INT2 */ + [PM800_IRQ_GPADC0] = { + .reg_offset = 2, + .mask = PM800_GPADC0_INT_ENA3, + }, + [PM800_IRQ_GPADC1] = { + .reg_offset = 2, + .mask = PM800_GPADC1_INT_ENA3, + }, + [PM800_IRQ_GPADC2] = { + .reg_offset = 2, + .mask = PM800_GPADC2_INT_ENA3, + }, + [PM800_IRQ_GPADC3] = { + .reg_offset = 2, + .mask = PM800_GPADC3_INT_ENA3, + }, + [PM800_IRQ_GPADC4] = { + .reg_offset = 2, + .mask = PM800_GPADC4_INT_ENA3, + }, + /* INT3 */ + [PM800_IRQ_GPIO0] = { + .reg_offset = 3, + .mask = PM800_GPIO0_INT_ENA4, + }, + [PM800_IRQ_GPIO1] = { + .reg_offset = 3, + .mask = PM800_GPIO1_INT_ENA4, + }, + [PM800_IRQ_GPIO2] = { + .reg_offset = 3, + .mask = PM800_GPIO2_INT_ENA4, + }, + [PM800_IRQ_GPIO3] = { + .reg_offset = 3, + .mask = PM800_GPIO3_INT_ENA4, + }, + [PM800_IRQ_GPIO4] = { + .reg_offset = 3, + .mask = PM800_GPIO4_INT_ENA4, + }, +}; + +static int __devinit device_gpadc_init(struct pm80x_chip *chip, + struct pm80x_platform_data *pdata) +{ + struct pm80x_subchip *subchip = chip->subchip; + struct regmap *map = subchip->regmap_gpadc; + int data = 0, mask = 0, ret = 0; + + if (!map) { + dev_warn(chip->dev, + "Warning: gpadc regmap is not available!\n"); + return -EINVAL; + } + /* + * initialize GPADC without activating it turn on GPADC + * measurments + */ + ret = regmap_update_bits(map, + PM800_GPADC_MISC_CONFIG2, + PM800_GPADC_MISC_GPFSM_EN, + PM800_GPADC_MISC_GPFSM_EN); + if (ret < 0) + goto out; + /* + * This function configures the ADC as requires for + * CP implementation.CP does not "own" the ADC configuration + * registers and relies on AP. + * Reason: enable automatic ADC measurements needed + * for CP to get VBAT and RF temperature readings. + */ + ret = regmap_update_bits(map, PM800_GPADC_MEAS_EN1, + PM800_MEAS_EN1_VBAT, PM800_MEAS_EN1_VBAT); + if (ret < 0) + goto out; + ret = regmap_update_bits(map, PM800_GPADC_MEAS_EN2, + (PM800_MEAS_EN2_RFTMP | PM800_MEAS_GP0_EN), + (PM800_MEAS_EN2_RFTMP | PM800_MEAS_GP0_EN)); + if (ret < 0) + goto out; + + /* + * the defult of PM800 is GPADC operates at 100Ks/s rate + * and Number of GPADC slots with active current bias prior + * to GPADC sampling = 1 slot for all GPADCs set for + * Temprature mesurmants + */ + mask = (PM800_GPADC_GP_BIAS_EN0 | PM800_GPADC_GP_BIAS_EN1 | + PM800_GPADC_GP_BIAS_EN2 | PM800_GPADC_GP_BIAS_EN3); + + if (pdata && (pdata->batt_det == 0)) + data = (PM800_GPADC_GP_BIAS_EN0 | PM800_GPADC_GP_BIAS_EN1 | + PM800_GPADC_GP_BIAS_EN2 | PM800_GPADC_GP_BIAS_EN3); + else + data = (PM800_GPADC_GP_BIAS_EN0 | PM800_GPADC_GP_BIAS_EN2 | + PM800_GPADC_GP_BIAS_EN3); + + ret = regmap_update_bits(map, PM800_GP_BIAS_ENA1, mask, data); + if (ret < 0) + goto out; + + dev_info(chip->dev, "pm800 device_gpadc_init: Done\n"); + return 0; + +out: + dev_info(chip->dev, "pm800 device_gpadc_init: Failed!\n"); + return ret; +} + +static int __devinit device_irq_init_800(struct pm80x_chip *chip) +{ + struct regmap *map = chip->regmap; + unsigned long flags = IRQF_TRIGGER_FALLING | IRQF_ONESHOT; + int data, mask, ret = -EINVAL; + + if (!map || !chip->irq) { + dev_err(chip->dev, "incorrect parameters\n"); + return -EINVAL; + } + + /* + * irq_mode defines the way of clearing interrupt. it's read-clear by + * default. + */ + mask = + PM800_WAKEUP2_INV_INT | PM800_WAKEUP2_INT_CLEAR | + PM800_WAKEUP2_INT_MASK; + + data = PM800_WAKEUP2_INT_CLEAR; + ret = regmap_update_bits(map, PM800_WAKEUP2, mask, data); + + if (ret < 0) + goto out; + + ret = + regmap_add_irq_chip(chip->regmap, chip->irq, flags, -1, + chip->regmap_irq_chip, &chip->irq_data); + +out: + return ret; +} + +static void device_irq_exit_800(struct pm80x_chip *chip) +{ + regmap_del_irq_chip(chip->irq, chip->irq_data); +} + +static struct regmap_irq_chip pm800_irq_chip = { + .name = "88pm800", + .irqs = pm800_irqs, + .num_irqs = ARRAY_SIZE(pm800_irqs), + + .num_regs = 4, + .status_base = PM800_INT_STATUS1, + .mask_base = PM800_INT_ENA_1, + .ack_base = PM800_INT_STATUS1, +}; + +static int pm800_pages_init(struct pm80x_chip *chip) +{ + struct pm80x_subchip *subchip; + struct i2c_client *client = chip->client; + + subchip = chip->subchip; + /* PM800 block power: i2c addr 0x31 */ + if (subchip->power_page_addr) { + subchip->power_page = + i2c_new_dummy(client->adapter, subchip->power_page_addr); + subchip->regmap_power = + devm_regmap_init_i2c(subchip->power_page, + &pm80x_regmap_config); + i2c_set_clientdata(subchip->power_page, chip); + } else + dev_info(chip->dev, + "PM800 block power 0x31: No power_page_addr\n"); + + /* PM800 block GPADC: i2c addr 0x32 */ + if (subchip->gpadc_page_addr) { + subchip->gpadc_page = i2c_new_dummy(client->adapter, + subchip->gpadc_page_addr); + subchip->regmap_gpadc = + devm_regmap_init_i2c(subchip->gpadc_page, + &pm80x_regmap_config); + i2c_set_clientdata(subchip->gpadc_page, chip); + } else + dev_info(chip->dev, + "PM800 block GPADC 0x32: No gpadc_page_addr\n"); + + return 0; +} + +static void pm800_pages_exit(struct pm80x_chip *chip) +{ + struct pm80x_subchip *subchip; + + regmap_exit(chip->regmap); + i2c_unregister_device(chip->client); + + subchip = chip->subchip; + if (subchip->power_page) { + regmap_exit(subchip->regmap_power); + i2c_unregister_device(subchip->power_page); + } + if (subchip->gpadc_page) { + regmap_exit(subchip->regmap_gpadc); + i2c_unregister_device(subchip->gpadc_page); + } +} + +static int __devinit device_800_init(struct pm80x_chip *chip, + struct pm80x_platform_data *pdata) +{ + int ret, pmic_id; + + regmap_read(chip->regmap, PM800_CHIP_ID, &ret); + if (ret < 0) { + dev_err(chip->dev, "Failed to read CHIP ID: %d\n", ret); + goto out; + } + + pmic_id = ret & PM80X_VERSION_MASK; + + if ((pmic_id >= PM800_CHIP_A0) && (pmic_id <= PM800_CHIP_END)) { + chip->version = ret; + dev_info(chip->dev, + "88PM80x:Marvell 88PM800 (ID:0x%x) detected\n", ret); + } else { + dev_err(chip->dev, + "Failed to detect Marvell 88PM800:ChipID[0x%x]\n", ret); + goto out; + } + + /* + * alarm wake up bit will be clear in device_irq_init(), + * read before that + */ + regmap_read(chip->regmap, PM800_RTC_CONTROL, &ret); + if (ret < 0) { + dev_err(chip->dev, "Failed to read RTC register: %d\n", ret); + goto out; + } + if (ret & PM800_ALARM_WAKEUP) { + if (pdata && pdata->rtc) + pdata->rtc->rtc_wakeup = 1; + } + + ret = device_gpadc_init(chip, pdata); + if (ret < 0) { + dev_err(chip->dev, "[%s]Failed to init gpadc\n", __func__); + goto out; + } + + chip->regmap_irq_chip = &pm800_irq_chip; + + ret = device_irq_init_800(chip); + if (ret < 0) { + dev_err(chip->dev, "[%s]Failed to init pm800 irq\n", __func__); + goto out; + } + + 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; + } else + dev_info(chip->dev, "[%s]:Added mfd onkey_devs\n", __func__); + + if (pdata && pdata->rtc) { + rtc_devs[0].platform_data = pdata->rtc; + rtc_devs[0].pdata_size = sizeof(struct pm80x_rtc_pdata); + ret = mfd_add_devices(chip->dev, 0, &rtc_devs[0], + ARRAY_SIZE(rtc_devs), NULL, 0); + if (ret < 0) { + dev_err(chip->dev, "Failed to add rtc subdev\n"); + goto out_dev; + } else + dev_info(chip->dev, + "[%s]:Added mfd rtc_devs\n", __func__); + } + + return 0; +out_dev: + mfd_remove_devices(chip->dev); + device_irq_exit_800(chip); +out: + return ret; +} + +static int __devinit pm800_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + int ret = 0; + struct pm80x_chip *chip; + struct pm80x_platform_data *pdata = client->dev.platform_data; + struct pm80x_subchip *subchip; + + ret = pm80x_init(client, id); + if (ret) { + dev_err(&client->dev, "pm800_init fail\n"); + goto out_init; + } + + chip = i2c_get_clientdata(client); + + /* init subchip for PM800 */ + subchip = + devm_kzalloc(&client->dev, sizeof(struct pm80x_subchip), + GFP_KERNEL); + if (!subchip) { + ret = -ENOMEM; + goto err_subchip_alloc; + } + + subchip->power_page_addr = pdata->power_page_addr; + subchip->gpadc_page_addr = pdata->gpadc_page_addr; + chip->subchip = subchip; + + ret = device_800_init(chip, pdata); + if (ret) { + dev_err(chip->dev, "%s id 0x%x failed!\n", __func__, chip->id); + goto err_800_init; + } + + ret = pm800_pages_init(chip); + if (ret) { + dev_err(&client->dev, "pm800_pages_init failed!\n"); + goto err_page_init; + } + + if (pdata->plat_config) + pdata->plat_config(chip, pdata); + +err_page_init: + mfd_remove_devices(chip->dev); + device_irq_exit_800(chip); +err_800_init: + devm_kfree(&client->dev, subchip); +err_subchip_alloc: + pm80x_deinit(client); +out_init: + return ret; +} + +static int __devexit pm800_remove(struct i2c_client *client) +{ + struct pm80x_chip *chip = i2c_get_clientdata(client); + + mfd_remove_devices(chip->dev); + device_irq_exit_800(chip); + + pm800_pages_exit(chip); + devm_kfree(&client->dev, chip->subchip); + + pm80x_deinit(client); + + return 0; +} + +static struct i2c_driver pm800_driver = { + .driver = { + .name = "88PM80X", + .owner = THIS_MODULE, + .pm = &pm80x_pm_ops, + }, + .probe = pm800_probe, + .remove = __devexit_p(pm800_remove), + .id_table = pm80x_id_table, +}; + +static int __init pm800_i2c_init(void) +{ + return i2c_add_driver(&pm800_driver); +} +subsys_initcall(pm800_i2c_init); + +static void __exit pm800_i2c_exit(void) +{ + i2c_del_driver(&pm800_driver); +} +module_exit(pm800_i2c_exit); + +MODULE_DESCRIPTION("PMIC Driver for Marvell 88PM800"); +MODULE_AUTHOR("Qiao Zhou "); +MODULE_LICENSE("GPL"); diff --git a/drivers/mfd/88pm805.c b/drivers/mfd/88pm805.c new file mode 100644 index 0000000..d93c309 --- /dev/null +++ b/drivers/mfd/88pm805.c @@ -0,0 +1,299 @@ +/* + * Base driver for Marvell 88PM805 + * + * Copyright (C) 2012 Marvell International Ltd. + * Haojian Zhuang + * Joseph(Yossi) Hanin + * Qiao Zhou + * + * This file is subject to the terms and conditions of the GNU General + * Public License. See the file "COPYING" in the main directory of this + * archive for more details. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#define PM805_CHIP_ID (0x00) + +static const struct i2c_device_id pm80x_id_table[] = { + {"88PM805", CHIP_PM805}, +}; +MODULE_DEVICE_TABLE(i2c, pm80x_id_table); + +/* Interrupt Number in 88PM805 */ +enum { + PM805_IRQ_LDO_OFF, /*0 */ + PM805_IRQ_SRC_DPLL_LOCK, /*1 */ + PM805_IRQ_CLIP_FAULT, + PM805_IRQ_MIC_CONFLICT, + PM805_IRQ_HP2_SHRT, + PM805_IRQ_HP1_SHRT, /*5 */ + PM805_IRQ_FINE_PLL_FAULT, + PM805_IRQ_RAW_PLL_FAULT, + PM805_IRQ_VOLP_BTN_DET, + PM805_IRQ_VOLM_BTN_DET, + PM805_IRQ_SHRT_BTN_DET, /*10 */ + PM805_IRQ_MIC_DET, /*11 */ + + PM805_MAX_IRQ, +}; + +static struct resource codec_resources[] = { + { + /* Headset microphone insertion or removal */ + .name = "micin", + .start = PM805_IRQ_MIC_DET, + .end = PM805_IRQ_MIC_DET, + .flags = IORESOURCE_IRQ, + }, + { + /* Audio short HP1 */ + .name = "audio-short1", + .start = PM805_IRQ_HP1_SHRT, + .end = PM805_IRQ_HP1_SHRT, + .flags = IORESOURCE_IRQ, + }, + { + /* Audio short HP2 */ + .name = "audio-short2", + .start = PM805_IRQ_HP2_SHRT, + .end = PM805_IRQ_HP2_SHRT, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct mfd_cell codec_devs[] = { + { + .name = "88pm80x-codec", + .num_resources = ARRAY_SIZE(codec_resources), + .resources = &codec_resources[0], + .id = -1, + }, +}; + +static struct regmap_irq pm805_irqs[] = { + /* INT0 */ + [PM805_IRQ_LDO_OFF] = { + .mask = PM805_INT1_HP1_SHRT, + }, + [PM805_IRQ_SRC_DPLL_LOCK] = { + .mask = PM805_INT1_HP2_SHRT, + }, + [PM805_IRQ_CLIP_FAULT] = { + .mask = PM805_INT1_MIC_CONFLICT, + }, + [PM805_IRQ_MIC_CONFLICT] = { + .mask = PM805_INT1_CLIP_FAULT, + }, + [PM805_IRQ_HP2_SHRT] = { + .mask = PM805_INT1_LDO_OFF, + }, + [PM805_IRQ_HP1_SHRT] = { + .mask = PM805_INT1_SRC_DPLL_LOCK, + }, + /* INT1 */ + [PM805_IRQ_FINE_PLL_FAULT] = { + .reg_offset = 1, + .mask = PM805_INT2_MIC_DET, + }, + [PM805_IRQ_RAW_PLL_FAULT] = { + .reg_offset = 1, + .mask = PM805_INT2_SHRT_BTN_DET, + }, + [PM805_IRQ_VOLP_BTN_DET] = { + .reg_offset = 1, + .mask = PM805_INT2_VOLM_BTN_DET, + }, + [PM805_IRQ_VOLM_BTN_DET] = { + .reg_offset = 1, + .mask = PM805_INT2_VOLP_BTN_DET, + }, + [PM805_IRQ_SHRT_BTN_DET] = { + .reg_offset = 1, + .mask = PM805_INT2_RAW_PLL_FAULT, + }, + [PM805_IRQ_MIC_DET] = { + .reg_offset = 1, + .mask = PM805_INT2_FINE_PLL_FAULT, + }, +}; + +static int __devinit device_irq_init_805(struct pm80x_chip *chip) +{ + struct regmap *map = chip->regmap; + unsigned long flags = IRQF_TRIGGER_FALLING | IRQF_ONESHOT; + int data, mask, ret = -EINVAL; + + if (!map || !chip->irq) { + dev_err(chip->dev, "incorrect parameters\n"); + return -EINVAL; + } + + /* + * irq_mode defines the way of clearing interrupt. it's read-clear by + * default. + */ + mask = + PM805_STATUS0_INT_CLEAR | PM805_STATUS0_INV_INT | + PM800_STATUS0_INT_MASK; + + data = PM805_STATUS0_INT_CLEAR; + ret = regmap_update_bits(map, PM805_INT_STATUS0, mask, data); + /* + * PM805_INT_STATUS is under 32K clock domain, so need to + * add proper delay before the next I2C register access. + */ + msleep(1); + + if (ret < 0) + goto out; + + ret = + regmap_add_irq_chip(chip->regmap, chip->irq, flags, -1, + chip->regmap_irq_chip, &chip->irq_data); + +out: + return ret; +} + +static void device_irq_exit_805(struct pm80x_chip *chip) +{ + regmap_del_irq_chip(chip->irq, chip->irq_data); +} + +static struct regmap_irq_chip pm805_irq_chip = { + .name = "88pm805", + .irqs = pm805_irqs, + .num_irqs = ARRAY_SIZE(pm805_irqs), + + .num_regs = 2, + .status_base = PM805_INT_STATUS1, + .mask_base = PM805_INT_MASK1, + .ack_base = PM805_INT_STATUS1, +}; + +static int __devinit device_805_init(struct pm80x_chip *chip) +{ + int ret = 0; + struct regmap *map = chip->regmap; + + if (!map) { + dev_err(chip->dev, "regmap is invalid\n"); + return -EINVAL; + } + + regmap_read(map, PM805_CHIP_ID, &ret); + if (ret < 0) { + dev_err(chip->dev, "Failed to read CHIP ID: %d\n", ret); + goto out_irq_init; + } + chip->version = ret; + + chip->regmap_irq_chip = &pm805_irq_chip; + + ret = device_irq_init_805(chip); + if (ret < 0) { + dev_err(chip->dev, "Failed to init pm805 irq!\n"); + goto out_irq_init; + } + + ret = mfd_add_devices(chip->dev, 0, &codec_devs[0], + ARRAY_SIZE(codec_devs), &codec_resources[0], 0); + if (ret < 0) { + dev_err(chip->dev, "Failed to add codec subdev\n"); + goto out_codec; + } else + dev_info(chip->dev, "[%s]:Added mfd codec_devs\n", __func__); + + return 0; + +out_codec: + device_irq_exit_805(chip); +out_irq_init: + return ret; +} + +static int __devinit pm805_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + int ret = 0; + struct pm80x_chip *chip; + struct pm80x_platform_data *pdata = client->dev.platform_data; + + ret = pm80x_init(client, id); + if (ret) { + dev_err(&client->dev, "pm805_init fail!\n"); + goto out_init; + } + + chip = i2c_get_clientdata(client); + + ret = device_805_init(chip); + if (ret) { + dev_err(chip->dev, "%s id 0x%x failed!\n", __func__, chip->id); + goto err_805_init; + } + + if (pdata->plat_config) + pdata->plat_config(chip, pdata); + +err_805_init: + pm80x_deinit(client); +out_init: + return ret; +} + +static int __devexit pm805_remove(struct i2c_client *client) +{ + struct pm80x_chip *chip = i2c_get_clientdata(client); + + mfd_remove_devices(chip->dev); + device_irq_exit_805(chip); + + pm80x_deinit(client); + + return 0; +} + +static struct i2c_driver pm805_driver = { + .driver = { + .name = "88PM80X", + .owner = THIS_MODULE, + .pm = &pm80x_pm_ops, + }, + .probe = pm805_probe, + .remove = __devexit_p(pm805_remove), + .id_table = pm80x_id_table, +}; + +static int __init pm805_i2c_init(void) +{ + return i2c_add_driver(&pm805_driver); +} +subsys_initcall(pm805_i2c_init); + +static void __exit pm805_i2c_exit(void) +{ + i2c_del_driver(&pm805_driver); +} +module_exit(pm805_i2c_exit); + +MODULE_DESCRIPTION("PMIC Driver for Marvell 88PM805"); +MODULE_AUTHOR("Qiao Zhou "); +MODULE_LICENSE("GPL"); diff --git a/drivers/mfd/88pm80x.c b/drivers/mfd/88pm80x.c new file mode 100644 index 0000000..5d73531 --- /dev/null +++ b/drivers/mfd/88pm80x.c @@ -0,0 +1,117 @@ +/* + * I2C driver for Marvell 88PM80x + * + * Copyright (C) 2012 Marvell International Ltd. + * Haojian Zhuang + * Joseph(Yossi) Hanin + * Qiao Zhou + * + * 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 +#include +#include +#include +#include +#include +#include + + +const struct regmap_config pm80x_regmap_config = { + .reg_bits = 8, + .val_bits = 8, +}; +EXPORT_SYMBOL_GPL(pm80x_regmap_config); + +int __devinit pm80x_init(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct pm80x_chip *chip; + struct regmap *map; + int ret = 0; + + chip = + devm_kzalloc(&client->dev, sizeof(struct pm80x_chip), GFP_KERNEL); + if (!chip) + return -ENOMEM; + + map = devm_regmap_init_i2c(client, &pm80x_regmap_config); + if (IS_ERR(map)) { + ret = PTR_ERR(map); + dev_err(&client->dev, "Failed to allocate register map: %d\n", + ret); + goto err_regmap_init; + } + + chip->id = id->driver_data; + if (chip->id < CHIP_PM800 || chip->id > CHIP_PM805) { + ret = -EINVAL; + goto err_chip_id; + } + + chip->client = client; + chip->regmap = map; + + chip->irq = client->irq; + + chip->dev = &client->dev; + dev_set_drvdata(chip->dev, chip); + i2c_set_clientdata(chip->client, chip); + + device_init_wakeup(&client->dev, 1); + + return 0; + +err_chip_id: + regmap_exit(map); +err_regmap_init: + devm_kfree(&client->dev, chip); + return ret; +} +EXPORT_SYMBOL_GPL(pm80x_init); + +int __devexit pm80x_deinit(struct i2c_client *client) +{ + struct pm80x_chip *chip = i2c_get_clientdata(client); + + regmap_exit(chip->regmap); + devm_kfree(&client->dev, chip); + + return 0; +} +EXPORT_SYMBOL_GPL(pm80x_deinit); + +#ifdef CONFIG_PM_SLEEP +static int pm80x_suspend(struct device *dev) +{ + struct i2c_client *client = container_of(dev, struct i2c_client, dev); + struct pm80x_chip *chip = i2c_get_clientdata(client); + + if (chip && chip->wu_flag) + if (device_may_wakeup(chip->dev)) + enable_irq_wake(chip->irq); + + return 0; +} + +static int pm80x_resume(struct device *dev) +{ + struct i2c_client *client = container_of(dev, struct i2c_client, dev); + struct pm80x_chip *chip = i2c_get_clientdata(client); + + if (chip && chip->wu_flag) + if (device_may_wakeup(chip->dev)) + disable_irq_wake(chip->irq); + + return 0; +} +#endif + +SIMPLE_DEV_PM_OPS(pm80x_pm_ops, pm80x_suspend, pm80x_resume); +EXPORT_SYMBOL_GPL(pm80x_pm_ops); + +MODULE_DESCRIPTION("I2C Driver for Marvell 88PM80x"); +MODULE_AUTHOR("Qiao Zhou "); +MODULE_LICENSE("GPL"); diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index e129c82..dc9bd97 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -20,6 +20,30 @@ config MFD_88PM860X select individual components like voltage regulators, RTC and battery-charger under the corresponding menus. +config MFD_88PM800 + tristate "Support Marvell 88PM800" + depends on I2C=y && GENERIC_HARDIRQS + select REGMAP_I2C + select REGMAP_IRQ + select MFD_CORE + help + This supports for Marvell 88PM800 Power Management IC. + This includes the I2C driver and the core APIs _only_, you have to + select individual components like voltage regulators, RTC and + battery-charger under the corresponding menus. + +config MFD_88PM805 + tristate "Support Marvell 88PM805" + depends on I2C=y && GENERIC_HARDIRQS + select REGMAP_I2C + select REGMAP_IRQ + select MFD_CORE + help + This supports for Marvell 88PM805 Power Management IC. This includes + the I2C driver and the core APIs _only_, you have to select individual + components like codec device, headset/Mic device under the + corresponding menus. + config MFD_SM501 tristate "Support for Silicon Motion SM501" ---help--- diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index 75f6ed6..e056a52 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -4,6 +4,8 @@ 88pm860x-objs := 88pm860x-core.o 88pm860x-i2c.o obj-$(CONFIG_MFD_88PM860X) += 88pm860x.o +obj-$(CONFIG_MFD_88PM800) += 88pm800.o 88pm80x.o +obj-$(CONFIG_MFD_88PM805) += 88pm805.o 88pm80x.o obj-$(CONFIG_MFD_SM501) += sm501.o obj-$(CONFIG_MFD_ASIC3) += asic3.o tmio_core.o diff --git a/include/linux/mfd/88pm80x.h b/include/linux/mfd/88pm80x.h new file mode 100644 index 0000000..6c126e9 --- /dev/null +++ b/include/linux/mfd/88pm80x.h @@ -0,0 +1,368 @@ +/* + * Marvell 88PM80x Interface + * + * Copyright (C) 2012 Marvell International Ltd. + * Qiao Zhou + * + * 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_88PM80X_H +#define __LINUX_MFD_88PM80X_H + +#include +#include +#include +#include + +#define PM80X_VERSION_MASK (0xFF) /* 80X chip ID mask */ +enum { + CHIP_INVALID = 0, + CHIP_PM800, + CHIP_PM805, + CHIP_MAX, +}; + +enum { + PM800_ID_BUCK1 = 0, + PM800_ID_BUCK2, + PM800_ID_BUCK3, + PM800_ID_BUCK4, + PM800_ID_BUCK5, + + PM800_ID_LDO1, + PM800_ID_LDO2, + PM800_ID_LDO3, + PM800_ID_LDO4, + PM800_ID_LDO5, + PM800_ID_LDO6, + PM800_ID_LDO7, + PM800_ID_LDO8, + PM800_ID_LDO9, + PM800_ID_LDO10, + PM800_ID_LDO11, + PM800_ID_LDO12, + PM800_ID_LDO13, + PM800_ID_LDO14, + PM800_ID_LDO15, + PM800_ID_LDO16, + PM800_ID_LDO17, + PM800_ID_LDO18, + PM800_ID_LDO19, + + PM800_ID_RG_MAX, +}; +#define PM800_MAX_REGULATOR PM800_ID_RG_MAX /* 5 Bucks, 19 LDOs */ +#define PM800_NUM_BUCK (5) /*5 Bucks */ +#define PM800_NUM_LDO (19) /*19 Bucks */ + +/* page 0 basic: slave adder 0x60 */ + +#define PM800_STATUS_1 (0x01) +#define PM800_ONKEY_STS1 (1 << 0) +#define PM800_EXTON_STS1 (1 << 1) +#define PM800_CHG_STS1 (1 << 2) +#define PM800_BAT_STS1 (1 << 3) +#define PM800_VBUS_STS1 (1 << 4) +#define PM800_LDO_PGOOD_STS1 (1 << 5) +#define PM800_BUCK_PGOOD_STS1 (1 << 6) + +#define PM800_STATUS_2 (0x02) +#define PM800_RTC_ALARM_STS2 (1 << 0) + +/* Wakeup Registers */ +#define PM800_WAKEUP1 (0x0D) + +#define PM800_WAKEUP2 (0x0E) +#define PM800_WAKEUP2_INV_INT (1 << 0) +#define PM800_WAKEUP2_INT_CLEAR (1 << 1) +#define PM800_WAKEUP2_INT_MASK (1 << 2) + +#define PM800_POWER_UP_LOG (0x10) + +/* Referance and low power registers */ +#define PM800_LOW_POWER1 (0x20) +#define PM800_LOW_POWER2 (0x21) +#define PM800_LOW_POWER_CONFIG3 (0x22) +#define PM800_LOW_POWER_CONFIG4 (0x23) + +/* GPIO register */ +#define PM800_GPIO_0_1_CNTRL (0x30) +#define PM800_GPIO0_VAL (1 << 0) +#define PM800_GPIO0_GPIO_MODE(x) (x << 1) +#define PM800_GPIO1_VAL (1 << 4) +#define PM800_GPIO1_GPIO_MODE(x) (x << 5) + +#define PM800_GPIO_2_3_CNTRL (0x31) +#define PM800_GPIO2_VAL (1 << 0) +#define PM800_GPIO2_GPIO_MODE(x) (x << 1) +#define PM800_GPIO3_VAL (1 << 4) +#define PM800_GPIO3_GPIO_MODE(x) (x << 5) +#define PM800_GPIO3_MODE_MASK 0x1F +#define PM800_GPIO3_HEADSET_MODE PM800_GPIO3_GPIO_MODE(6) + +#define PM800_GPIO_4_CNTRL (0x32) +#define PM800_GPIO4_VAL (1 << 0) +#define PM800_GPIO4_GPIO_MODE(x) (x << 1) + +#define PM800_HEADSET_CNTRL (0x38) +#define PM800_HEADSET_DET_EN (1 << 7) +#define PM800_HSDET_SLP (1 << 1) +/* PWM register */ +#define PM800_PWM1 (0x40) +#define PM800_PWM2 (0x41) +#define PM800_PWM3 (0x42) +#define PM800_PWM4 (0x43) + +/* RTC Registers */ +#define PM800_RTC_CONTROL (0xD0) +#define PM800_RTC_MISC1 (0xE1) +#define PM800_RTC_MISC2 (0xE2) +#define PM800_RTC_MISC3 (0xE3) +#define PM800_RTC_MISC4 (0xE4) +#define PM800_RTC_MISC5 (0xE7) +/* bit definitions of RTC Register 1 (0xD0) */ +#define PM800_ALARM1_EN (1 << 0) +#define PM800_ALARM_WAKEUP (1 << 4) +#define PM800_ALARM (1 << 5) +#define PM800_RTC1_USE_XO (1 << 7) + +/* Regulator Control Registers: BUCK1,BUCK5,LDO1 have DVC */ + +/* buck registers */ +#define PM800_SLEEP_BUCK1 (0x30) + +/* BUCK Sleep Mode Register 1: BUCK[1..4] */ +#define PM800_BUCK_SLP1 (0x5A) +#define PM800_BUCK1_SLP1_SHIFT 0 +#define PM800_BUCK1_SLP1_MASK (0x3 << PM800_BUCK1_SLP1_SHIFT) + +/* page 2 GPADC: slave adder 0x02 */ +#define PM800_GPADC_MEAS_EN1 (0x01) +#define PM800_MEAS_EN1_VBAT (1 << 2) +#define PM800_GPADC_MEAS_EN2 (0x02) +#define PM800_MEAS_EN2_RFTMP (1 << 0) +#define PM800_MEAS_GP0_EN (1 << 2) +#define PM800_MEAS_GP1_EN (1 << 3) +#define PM800_MEAS_GP2_EN (1 << 4) +#define PM800_MEAS_GP3_EN (1 << 5) +#define PM800_MEAS_GP4_EN (1 << 6) + +#define PM800_GPADC_MISC_CONFIG1 (0x05) +#define PM800_GPADC_MISC_CONFIG2 (0x06) +#define PM800_GPADC_MISC_GPFSM_EN (1 << 0) +#define PM800_GPADC_SLOW_MODE(x) (x << 3) + +#define PM800_GPADC_MISC_CONFIG3 (0x09) +#define PM800_GPADC_MISC_CONFIG4 (0x0A) + +#define PM800_GPADC_PREBIAS1 (0x0F) +#define PM800_GPADC0_GP_PREBIAS_TIME(x) (x << 0) +#define PM800_GPADC_PREBIAS2 (0x10) + +#define PM800_GP_BIAS_ENA1 (0x14) +#define PM800_GPADC_GP_BIAS_EN0 (1 << 0) +#define PM800_GPADC_GP_BIAS_EN1 (1 << 1) +#define PM800_GPADC_GP_BIAS_EN2 (1 << 2) +#define PM800_GPADC_GP_BIAS_EN3 (1 << 3) + +#define PM800_GP_BIAS_OUT1 (0x15) +#define PM800_BIAS_OUT_GP0 (1 << 0) +#define PM800_BIAS_OUT_GP1 (1 << 1) +#define PM800_BIAS_OUT_GP2 (1 << 2) +#define PM800_BIAS_OUT_GP3 (1 << 3) + +#define PM800_GPADC0_LOW_TH 0x20 +#define PM800_GPADC1_LOW_TH 0x21 +#define PM800_GPADC2_LOW_TH 0x22 +#define PM800_GPADC3_LOW_TH 0x23 +#define PM800_GPADC4_LOW_TH 0x24 + +#define PM800_GPADC0_UPP_TH 0x30 +#define PM800_GPADC1_UPP_TH 0x31 +#define PM800_GPADC2_UPP_TH 0x32 +#define PM800_GPADC3_UPP_TH 0x33 +#define PM800_GPADC4_UPP_TH 0x34 + +#define PM800_VBBAT_MEAS1 0x40 +#define PM800_VBBAT_MEAS2 0x41 +#define PM800_VBAT_MEAS1 0x42 +#define PM800_VBAT_MEAS2 0x43 +#define PM800_VSYS_MEAS1 0x44 +#define PM800_VSYS_MEAS2 0x45 +#define PM800_VCHG_MEAS1 0x46 +#define PM800_VCHG_MEAS2 0x47 +#define PM800_TINT_MEAS1 0x50 +#define PM800_TINT_MEAS2 0x51 +#define PM800_PMOD_MEAS1 0x52 +#define PM800_PMOD_MEAS2 0x53 + +#define PM800_GPADC0_MEAS1 0x54 +#define PM800_GPADC0_MEAS2 0x55 +#define PM800_GPADC1_MEAS1 0x56 +#define PM800_GPADC1_MEAS2 0x57 +#define PM800_GPADC2_MEAS1 0x58 +#define PM800_GPADC2_MEAS2 0x59 +#define PM800_GPADC3_MEAS1 0x5A +#define PM800_GPADC3_MEAS2 0x5B +#define PM800_GPADC4_MEAS1 0x5C +#define PM800_GPADC4_MEAS2 0x5D + +#define PM800_GPADC4_AVG1 0xA8 +#define PM800_GPADC4_AVG2 0xA9 + +/* 88PM805 Registers */ +#define PM805_MAIN_POWERUP (0x01) +#define PM805_INT_STATUS0 (0x02) /* for ena/dis all interrupts */ + +#define PM805_STATUS0_INT_CLEAR (1 << 0) +#define PM805_STATUS0_INV_INT (1 << 1) +#define PM800_STATUS0_INT_MASK (1 << 2) + +#define PM805_INT_STATUS1 (0x03) + +#define PM805_INT1_HP1_SHRT (1 << 0) +#define PM805_INT1_HP2_SHRT (1 << 1) +#define PM805_INT1_MIC_CONFLICT (1 << 2) +#define PM805_INT1_CLIP_FAULT (1 << 3) +#define PM805_INT1_LDO_OFF (1 << 4) +#define PM805_INT1_SRC_DPLL_LOCK (1 << 5) + +#define PM805_INT_STATUS2 (0x04) + +#define PM805_INT2_MIC_DET (1 << 0) +#define PM805_INT2_SHRT_BTN_DET (1 << 1) +#define PM805_INT2_VOLM_BTN_DET (1 << 2) +#define PM805_INT2_VOLP_BTN_DET (1 << 3) +#define PM805_INT2_RAW_PLL_FAULT (1 << 4) +#define PM805_INT2_FINE_PLL_FAULT (1 << 5) + +#define PM805_INT_MASK1 (0x05) +#define PM805_INT_MASK2 (0x06) +#define PM805_SHRT_BTN_DET (1 << 1) + +/* number of status and int reg in a row */ +#define PM805_INT_REG_NUM (2) + +#define PM805_MIC_DET1 (0x07) +#define PM805_MIC_DET_EN_MIC_DET (1 << 0) +#define PM805_MIC_DET2 (0x08) +#define PM805_MIC_DET_STATUS1 (0x09) + +#define PM805_MIC_DET_STATUS3 (0x0A) +#define PM805_AUTO_SEQ_STATUS1 (0x0B) +#define PM805_AUTO_SEQ_STATUS2 (0x0C) + +#define PM805_ADC_SETTING1 (0x10) +#define PM805_ADC_SETTING2 (0x11) +#define PM805_ADC_SETTING3 (0x11) +#define PM805_ADC_GAIN1 (0x12) +#define PM805_ADC_GAIN2 (0x13) +#define PM805_DMIC_SETTING (0x15) +#define PM805_DWS_SETTING (0x16) +#define PM805_MIC_CONFLICT_STS (0x17) + +#define PM805_PDM_SETTING1 (0x20) +#define PM805_PDM_SETTING2 (0x21) +#define PM805_PDM_SETTING3 (0x22) +#define PM805_PDM_CONTROL1 (0x23) +#define PM805_PDM_CONTROL2 (0x24) +#define PM805_PDM_CONTROL3 (0x25) + +#define PM805_HEADPHONE_SETTING (0x26) +#define PM805_HEADPHONE_GAIN_A2A (0x27) +#define PM805_HEADPHONE_SHORT_STATE (0x28) +#define PM805_EARPHONE_SETTING (0x29) +#define PM805_AUTO_SEQ_SETTING (0x2A) + +struct pm80x_rtc_pdata { + int vrtc; + int rtc_wakeup; +}; + +struct pm80x_subchip { + struct i2c_client *power_page; /* chip client for power page */ + struct i2c_client *gpadc_page; /* chip client for gpadc page */ + struct regmap *regmap_power; + struct regmap *regmap_gpadc; + unsigned short power_page_addr; /* power page I2C address */ + unsigned short gpadc_page_addr; /* gpadc page I2C address */ +}; + +struct pm80x_chip { + struct pm80x_subchip *subchip; + struct device *dev; + struct i2c_client *client; + struct regmap *regmap; + struct regmap_irq_chip *regmap_irq_chip; + struct regmap_irq_chip_data *irq_data; + unsigned char version; + int id; + int irq; + int irq_mode; + unsigned long wu_flag; + spinlock_t lock; +}; + +struct pm80x_platform_data { + struct pm80x_rtc_pdata *rtc; + unsigned short power_page_addr; /* power page I2C address */ + unsigned short gpadc_page_addr; /* gpadc page I2C address */ + int irq_mode; /* Clear interrupt by read/write(0/1) */ + int batt_det; /* enable/disable */ + int (*plat_config)(struct pm80x_chip *chip, + struct pm80x_platform_data *pdata); +}; + +extern const struct dev_pm_ops pm80x_pm_ops; +extern const struct regmap_config pm80x_regmap_config; + +static inline int pm80x_request_irq(struct pm80x_chip *pm80x, int irq, + irq_handler_t handler, unsigned long flags, + const char *name, void *data) +{ + if (!pm80x->irq_data) + return -EINVAL; + return request_threaded_irq(regmap_irq_get_virq(pm80x->irq_data, irq), + NULL, handler, flags, name, data); +} + +static inline void pm80x_free_irq(struct pm80x_chip *pm80x, int irq, void *data) +{ + if (!pm80x->irq_data) + return; + free_irq(regmap_irq_get_virq(pm80x->irq_data, irq), data); +} + +#ifdef CONFIG_PM +static inline int pm80x_dev_suspend(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct pm80x_chip *chip = dev_get_drvdata(pdev->dev.parent); + int irq = platform_get_irq(pdev, 0); + + if (device_may_wakeup(dev)) + set_bit((1 << irq), &chip->wu_flag); + + return 0; +} + +static inline int pm80x_dev_resume(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct pm80x_chip *chip = dev_get_drvdata(pdev->dev.parent); + int irq = platform_get_irq(pdev, 0); + + if (device_may_wakeup(dev)) + clear_bit((1 << irq), &chip->wu_flag); + + return 0; +} +#endif + +extern int pm80x_init(struct i2c_client *client, + const struct i2c_device_id *id) __devinit; +extern int pm80x_deinit(struct i2c_client *client) __devexit; +#endif /* __LINUX_MFD_88PM80X_H */