|  | /* | 
|  | * Device access for Dialog DA9052 PMICs. | 
|  | * | 
|  | * Copyright(c) 2011 Dialog Semiconductor Ltd. | 
|  | * | 
|  | * Author: David Dajun Chen <dchen@diasemi.com> | 
|  | * | 
|  | *  This program is free software; you can redistribute  it and/or modify it | 
|  | *  under  the terms of  the GNU General  Public License as published by the | 
|  | *  Free Software Foundation;  either version 2 of the  License, or (at your | 
|  | *  option) any later version. | 
|  | */ | 
|  |  | 
|  | #include <linux/device.h> | 
|  | #include <linux/delay.h> | 
|  | #include <linux/input.h> | 
|  | #include <linux/interrupt.h> | 
|  | #include <linux/irq.h> | 
|  | #include <linux/mutex.h> | 
|  | #include <linux/mfd/core.h> | 
|  | #include <linux/slab.h> | 
|  | #include <linux/module.h> | 
|  |  | 
|  | #include <linux/mfd/da9052/da9052.h> | 
|  | #include <linux/mfd/da9052/pdata.h> | 
|  | #include <linux/mfd/da9052/reg.h> | 
|  |  | 
|  | #define DA9052_NUM_IRQ_REGS		4 | 
|  | #define DA9052_IRQ_MASK_POS_1		0x01 | 
|  | #define DA9052_IRQ_MASK_POS_2		0x02 | 
|  | #define DA9052_IRQ_MASK_POS_3		0x04 | 
|  | #define DA9052_IRQ_MASK_POS_4		0x08 | 
|  | #define DA9052_IRQ_MASK_POS_5		0x10 | 
|  | #define DA9052_IRQ_MASK_POS_6		0x20 | 
|  | #define DA9052_IRQ_MASK_POS_7		0x40 | 
|  | #define DA9052_IRQ_MASK_POS_8		0x80 | 
|  |  | 
|  | static bool da9052_reg_readable(struct device *dev, unsigned int reg) | 
|  | { | 
|  | switch (reg) { | 
|  | case DA9052_PAGE0_CON_REG: | 
|  | case DA9052_STATUS_A_REG: | 
|  | case DA9052_STATUS_B_REG: | 
|  | case DA9052_STATUS_C_REG: | 
|  | case DA9052_STATUS_D_REG: | 
|  | case DA9052_EVENT_A_REG: | 
|  | case DA9052_EVENT_B_REG: | 
|  | case DA9052_EVENT_C_REG: | 
|  | case DA9052_EVENT_D_REG: | 
|  | case DA9052_FAULTLOG_REG: | 
|  | case DA9052_IRQ_MASK_A_REG: | 
|  | case DA9052_IRQ_MASK_B_REG: | 
|  | case DA9052_IRQ_MASK_C_REG: | 
|  | case DA9052_IRQ_MASK_D_REG: | 
|  | case DA9052_CONTROL_A_REG: | 
|  | case DA9052_CONTROL_B_REG: | 
|  | case DA9052_CONTROL_C_REG: | 
|  | case DA9052_CONTROL_D_REG: | 
|  | case DA9052_PDDIS_REG: | 
|  | case DA9052_INTERFACE_REG: | 
|  | case DA9052_RESET_REG: | 
|  | case DA9052_GPIO_0_1_REG: | 
|  | case DA9052_GPIO_2_3_REG: | 
|  | case DA9052_GPIO_4_5_REG: | 
|  | case DA9052_GPIO_6_7_REG: | 
|  | case DA9052_GPIO_14_15_REG: | 
|  | case DA9052_ID_0_1_REG: | 
|  | case DA9052_ID_2_3_REG: | 
|  | case DA9052_ID_4_5_REG: | 
|  | case DA9052_ID_6_7_REG: | 
|  | case DA9052_ID_8_9_REG: | 
|  | case DA9052_ID_10_11_REG: | 
|  | case DA9052_ID_12_13_REG: | 
|  | case DA9052_ID_14_15_REG: | 
|  | case DA9052_ID_16_17_REG: | 
|  | case DA9052_ID_18_19_REG: | 
|  | case DA9052_ID_20_21_REG: | 
|  | case DA9052_SEQ_STATUS_REG: | 
|  | case DA9052_SEQ_A_REG: | 
|  | case DA9052_SEQ_B_REG: | 
|  | case DA9052_SEQ_TIMER_REG: | 
|  | case DA9052_BUCKA_REG: | 
|  | case DA9052_BUCKB_REG: | 
|  | case DA9052_BUCKCORE_REG: | 
|  | case DA9052_BUCKPRO_REG: | 
|  | case DA9052_BUCKMEM_REG: | 
|  | case DA9052_BUCKPERI_REG: | 
|  | case DA9052_LDO1_REG: | 
|  | case DA9052_LDO2_REG: | 
|  | case DA9052_LDO3_REG: | 
|  | case DA9052_LDO4_REG: | 
|  | case DA9052_LDO5_REG: | 
|  | case DA9052_LDO6_REG: | 
|  | case DA9052_LDO7_REG: | 
|  | case DA9052_LDO8_REG: | 
|  | case DA9052_LDO9_REG: | 
|  | case DA9052_LDO10_REG: | 
|  | case DA9052_SUPPLY_REG: | 
|  | case DA9052_PULLDOWN_REG: | 
|  | case DA9052_CHGBUCK_REG: | 
|  | case DA9052_WAITCONT_REG: | 
|  | case DA9052_ISET_REG: | 
|  | case DA9052_BATCHG_REG: | 
|  | case DA9052_CHG_CONT_REG: | 
|  | case DA9052_INPUT_CONT_REG: | 
|  | case DA9052_CHG_TIME_REG: | 
|  | case DA9052_BBAT_CONT_REG: | 
|  | case DA9052_BOOST_REG: | 
|  | case DA9052_LED_CONT_REG: | 
|  | case DA9052_LEDMIN123_REG: | 
|  | case DA9052_LED1_CONF_REG: | 
|  | case DA9052_LED2_CONF_REG: | 
|  | case DA9052_LED3_CONF_REG: | 
|  | case DA9052_LED1CONT_REG: | 
|  | case DA9052_LED2CONT_REG: | 
|  | case DA9052_LED3CONT_REG: | 
|  | case DA9052_LED_CONT_4_REG: | 
|  | case DA9052_LED_CONT_5_REG: | 
|  | case DA9052_ADC_MAN_REG: | 
|  | case DA9052_ADC_CONT_REG: | 
|  | case DA9052_ADC_RES_L_REG: | 
|  | case DA9052_ADC_RES_H_REG: | 
|  | case DA9052_VDD_RES_REG: | 
|  | case DA9052_VDD_MON_REG: | 
|  | case DA9052_ICHG_AV_REG: | 
|  | case DA9052_ICHG_THD_REG: | 
|  | case DA9052_ICHG_END_REG: | 
|  | case DA9052_TBAT_RES_REG: | 
|  | case DA9052_TBAT_HIGHP_REG: | 
|  | case DA9052_TBAT_HIGHN_REG: | 
|  | case DA9052_TBAT_LOW_REG: | 
|  | case DA9052_T_OFFSET_REG: | 
|  | case DA9052_ADCIN4_RES_REG: | 
|  | case DA9052_AUTO4_HIGH_REG: | 
|  | case DA9052_AUTO4_LOW_REG: | 
|  | case DA9052_ADCIN5_RES_REG: | 
|  | case DA9052_AUTO5_HIGH_REG: | 
|  | case DA9052_AUTO5_LOW_REG: | 
|  | case DA9052_ADCIN6_RES_REG: | 
|  | case DA9052_AUTO6_HIGH_REG: | 
|  | case DA9052_AUTO6_LOW_REG: | 
|  | case DA9052_TJUNC_RES_REG: | 
|  | case DA9052_TSI_CONT_A_REG: | 
|  | case DA9052_TSI_CONT_B_REG: | 
|  | case DA9052_TSI_X_MSB_REG: | 
|  | case DA9052_TSI_Y_MSB_REG: | 
|  | case DA9052_TSI_LSB_REG: | 
|  | case DA9052_TSI_Z_MSB_REG: | 
|  | case DA9052_COUNT_S_REG: | 
|  | case DA9052_COUNT_MI_REG: | 
|  | case DA9052_COUNT_H_REG: | 
|  | case DA9052_COUNT_D_REG: | 
|  | case DA9052_COUNT_MO_REG: | 
|  | case DA9052_COUNT_Y_REG: | 
|  | case DA9052_ALARM_MI_REG: | 
|  | case DA9052_ALARM_H_REG: | 
|  | case DA9052_ALARM_D_REG: | 
|  | case DA9052_ALARM_MO_REG: | 
|  | case DA9052_ALARM_Y_REG: | 
|  | case DA9052_SECOND_A_REG: | 
|  | case DA9052_SECOND_B_REG: | 
|  | case DA9052_SECOND_C_REG: | 
|  | case DA9052_SECOND_D_REG: | 
|  | case DA9052_PAGE1_CON_REG: | 
|  | return true; | 
|  | default: | 
|  | return false; | 
|  | } | 
|  | } | 
|  |  | 
|  | static bool da9052_reg_writeable(struct device *dev, unsigned int reg) | 
|  | { | 
|  | switch (reg) { | 
|  | case DA9052_PAGE0_CON_REG: | 
|  | case DA9052_EVENT_A_REG: | 
|  | case DA9052_EVENT_B_REG: | 
|  | case DA9052_EVENT_C_REG: | 
|  | case DA9052_EVENT_D_REG: | 
|  | case DA9052_IRQ_MASK_A_REG: | 
|  | case DA9052_IRQ_MASK_B_REG: | 
|  | case DA9052_IRQ_MASK_C_REG: | 
|  | case DA9052_IRQ_MASK_D_REG: | 
|  | case DA9052_CONTROL_A_REG: | 
|  | case DA9052_CONTROL_B_REG: | 
|  | case DA9052_CONTROL_C_REG: | 
|  | case DA9052_CONTROL_D_REG: | 
|  | case DA9052_PDDIS_REG: | 
|  | case DA9052_RESET_REG: | 
|  | case DA9052_GPIO_0_1_REG: | 
|  | case DA9052_GPIO_2_3_REG: | 
|  | case DA9052_GPIO_4_5_REG: | 
|  | case DA9052_GPIO_6_7_REG: | 
|  | case DA9052_GPIO_14_15_REG: | 
|  | case DA9052_ID_0_1_REG: | 
|  | case DA9052_ID_2_3_REG: | 
|  | case DA9052_ID_4_5_REG: | 
|  | case DA9052_ID_6_7_REG: | 
|  | case DA9052_ID_8_9_REG: | 
|  | case DA9052_ID_10_11_REG: | 
|  | case DA9052_ID_12_13_REG: | 
|  | case DA9052_ID_14_15_REG: | 
|  | case DA9052_ID_16_17_REG: | 
|  | case DA9052_ID_18_19_REG: | 
|  | case DA9052_ID_20_21_REG: | 
|  | case DA9052_SEQ_STATUS_REG: | 
|  | case DA9052_SEQ_A_REG: | 
|  | case DA9052_SEQ_B_REG: | 
|  | case DA9052_SEQ_TIMER_REG: | 
|  | case DA9052_BUCKA_REG: | 
|  | case DA9052_BUCKB_REG: | 
|  | case DA9052_BUCKCORE_REG: | 
|  | case DA9052_BUCKPRO_REG: | 
|  | case DA9052_BUCKMEM_REG: | 
|  | case DA9052_BUCKPERI_REG: | 
|  | case DA9052_LDO1_REG: | 
|  | case DA9052_LDO2_REG: | 
|  | case DA9052_LDO3_REG: | 
|  | case DA9052_LDO4_REG: | 
|  | case DA9052_LDO5_REG: | 
|  | case DA9052_LDO6_REG: | 
|  | case DA9052_LDO7_REG: | 
|  | case DA9052_LDO8_REG: | 
|  | case DA9052_LDO9_REG: | 
|  | case DA9052_LDO10_REG: | 
|  | case DA9052_SUPPLY_REG: | 
|  | case DA9052_PULLDOWN_REG: | 
|  | case DA9052_CHGBUCK_REG: | 
|  | case DA9052_WAITCONT_REG: | 
|  | case DA9052_ISET_REG: | 
|  | case DA9052_BATCHG_REG: | 
|  | case DA9052_CHG_CONT_REG: | 
|  | case DA9052_INPUT_CONT_REG: | 
|  | case DA9052_BBAT_CONT_REG: | 
|  | case DA9052_BOOST_REG: | 
|  | case DA9052_LED_CONT_REG: | 
|  | case DA9052_LEDMIN123_REG: | 
|  | case DA9052_LED1_CONF_REG: | 
|  | case DA9052_LED2_CONF_REG: | 
|  | case DA9052_LED3_CONF_REG: | 
|  | case DA9052_LED1CONT_REG: | 
|  | case DA9052_LED2CONT_REG: | 
|  | case DA9052_LED3CONT_REG: | 
|  | case DA9052_LED_CONT_4_REG: | 
|  | case DA9052_LED_CONT_5_REG: | 
|  | case DA9052_ADC_MAN_REG: | 
|  | case DA9052_ADC_CONT_REG: | 
|  | case DA9052_ADC_RES_L_REG: | 
|  | case DA9052_ADC_RES_H_REG: | 
|  | case DA9052_VDD_RES_REG: | 
|  | case DA9052_VDD_MON_REG: | 
|  | case DA9052_ICHG_THD_REG: | 
|  | case DA9052_ICHG_END_REG: | 
|  | case DA9052_TBAT_HIGHP_REG: | 
|  | case DA9052_TBAT_HIGHN_REG: | 
|  | case DA9052_TBAT_LOW_REG: | 
|  | case DA9052_T_OFFSET_REG: | 
|  | case DA9052_AUTO4_HIGH_REG: | 
|  | case DA9052_AUTO4_LOW_REG: | 
|  | case DA9052_AUTO5_HIGH_REG: | 
|  | case DA9052_AUTO5_LOW_REG: | 
|  | case DA9052_AUTO6_HIGH_REG: | 
|  | case DA9052_AUTO6_LOW_REG: | 
|  | case DA9052_TSI_CONT_A_REG: | 
|  | case DA9052_TSI_CONT_B_REG: | 
|  | case DA9052_COUNT_S_REG: | 
|  | case DA9052_COUNT_MI_REG: | 
|  | case DA9052_COUNT_H_REG: | 
|  | case DA9052_COUNT_D_REG: | 
|  | case DA9052_COUNT_MO_REG: | 
|  | case DA9052_COUNT_Y_REG: | 
|  | case DA9052_ALARM_MI_REG: | 
|  | case DA9052_ALARM_H_REG: | 
|  | case DA9052_ALARM_D_REG: | 
|  | case DA9052_ALARM_MO_REG: | 
|  | case DA9052_ALARM_Y_REG: | 
|  | case DA9052_PAGE1_CON_REG: | 
|  | return true; | 
|  | default: | 
|  | return false; | 
|  | } | 
|  | } | 
|  |  | 
|  | static bool da9052_reg_volatile(struct device *dev, unsigned int reg) | 
|  | { | 
|  | switch (reg) { | 
|  | case DA9052_STATUS_A_REG: | 
|  | case DA9052_STATUS_B_REG: | 
|  | case DA9052_STATUS_C_REG: | 
|  | case DA9052_STATUS_D_REG: | 
|  | case DA9052_EVENT_A_REG: | 
|  | case DA9052_EVENT_B_REG: | 
|  | case DA9052_EVENT_C_REG: | 
|  | case DA9052_EVENT_D_REG: | 
|  | case DA9052_FAULTLOG_REG: | 
|  | case DA9052_CHG_TIME_REG: | 
|  | case DA9052_ADC_RES_L_REG: | 
|  | case DA9052_ADC_RES_H_REG: | 
|  | case DA9052_VDD_RES_REG: | 
|  | case DA9052_ICHG_AV_REG: | 
|  | case DA9052_TBAT_RES_REG: | 
|  | case DA9052_ADCIN4_RES_REG: | 
|  | case DA9052_ADCIN5_RES_REG: | 
|  | case DA9052_ADCIN6_RES_REG: | 
|  | case DA9052_TJUNC_RES_REG: | 
|  | case DA9052_TSI_X_MSB_REG: | 
|  | case DA9052_TSI_Y_MSB_REG: | 
|  | case DA9052_TSI_LSB_REG: | 
|  | case DA9052_TSI_Z_MSB_REG: | 
|  | case DA9052_COUNT_S_REG: | 
|  | case DA9052_COUNT_MI_REG: | 
|  | case DA9052_COUNT_H_REG: | 
|  | case DA9052_COUNT_D_REG: | 
|  | case DA9052_COUNT_MO_REG: | 
|  | case DA9052_COUNT_Y_REG: | 
|  | case DA9052_ALARM_MI_REG: | 
|  | return true; | 
|  | default: | 
|  | return false; | 
|  | } | 
|  | } | 
|  |  | 
|  | static struct resource da9052_rtc_resource = { | 
|  | .name = "ALM", | 
|  | .start = DA9052_IRQ_ALARM, | 
|  | .end   = DA9052_IRQ_ALARM, | 
|  | .flags = IORESOURCE_IRQ, | 
|  | }; | 
|  |  | 
|  | static struct resource da9052_onkey_resource = { | 
|  | .name = "ONKEY", | 
|  | .start = DA9052_IRQ_NONKEY, | 
|  | .end   = DA9052_IRQ_NONKEY, | 
|  | .flags = IORESOURCE_IRQ, | 
|  | }; | 
|  |  | 
|  | static struct resource da9052_bat_resources[] = { | 
|  | { | 
|  | .name = "BATT TEMP", | 
|  | .start = DA9052_IRQ_TBAT, | 
|  | .end   = DA9052_IRQ_TBAT, | 
|  | .flags = IORESOURCE_IRQ, | 
|  | }, | 
|  | { | 
|  | .name = "DCIN DET", | 
|  | .start = DA9052_IRQ_DCIN, | 
|  | .end   = DA9052_IRQ_DCIN, | 
|  | .flags = IORESOURCE_IRQ, | 
|  | }, | 
|  | { | 
|  | .name = "DCIN REM", | 
|  | .start = DA9052_IRQ_DCINREM, | 
|  | .end   = DA9052_IRQ_DCINREM, | 
|  | .flags = IORESOURCE_IRQ, | 
|  | }, | 
|  | { | 
|  | .name = "VBUS DET", | 
|  | .start = DA9052_IRQ_VBUS, | 
|  | .end   = DA9052_IRQ_VBUS, | 
|  | .flags = IORESOURCE_IRQ, | 
|  | }, | 
|  | { | 
|  | .name = "VBUS REM", | 
|  | .start = DA9052_IRQ_VBUSREM, | 
|  | .end   = DA9052_IRQ_VBUSREM, | 
|  | .flags = IORESOURCE_IRQ, | 
|  | }, | 
|  | { | 
|  | .name = "CHG END", | 
|  | .start = DA9052_IRQ_CHGEND, | 
|  | .end   = DA9052_IRQ_CHGEND, | 
|  | .flags = IORESOURCE_IRQ, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct resource da9052_tsi_resources[] = { | 
|  | { | 
|  | .name = "PENDWN", | 
|  | .start = DA9052_IRQ_PENDOWN, | 
|  | .end   = DA9052_IRQ_PENDOWN, | 
|  | .flags = IORESOURCE_IRQ, | 
|  | }, | 
|  | { | 
|  | .name = "TSIRDY", | 
|  | .start = DA9052_IRQ_TSIREADY, | 
|  | .end   = DA9052_IRQ_TSIREADY, | 
|  | .flags = IORESOURCE_IRQ, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct mfd_cell __devinitdata da9052_subdev_info[] = { | 
|  | { | 
|  | .name = "da9052-regulator", | 
|  | .id = 1, | 
|  | }, | 
|  | { | 
|  | .name = "da9052-regulator", | 
|  | .id = 2, | 
|  | }, | 
|  | { | 
|  | .name = "da9052-regulator", | 
|  | .id = 3, | 
|  | }, | 
|  | { | 
|  | .name = "da9052-regulator", | 
|  | .id = 4, | 
|  | }, | 
|  | { | 
|  | .name = "da9052-regulator", | 
|  | .id = 5, | 
|  | }, | 
|  | { | 
|  | .name = "da9052-regulator", | 
|  | .id = 6, | 
|  | }, | 
|  | { | 
|  | .name = "da9052-regulator", | 
|  | .id = 7, | 
|  | }, | 
|  | { | 
|  | .name = "da9052-regulator", | 
|  | .id = 8, | 
|  | }, | 
|  | { | 
|  | .name = "da9052-regulator", | 
|  | .id = 9, | 
|  | }, | 
|  | { | 
|  | .name = "da9052-regulator", | 
|  | .id = 10, | 
|  | }, | 
|  | { | 
|  | .name = "da9052-regulator", | 
|  | .id = 11, | 
|  | }, | 
|  | { | 
|  | .name = "da9052-regulator", | 
|  | .id = 12, | 
|  | }, | 
|  | { | 
|  | .name = "da9052-regulator", | 
|  | .id = 13, | 
|  | }, | 
|  | { | 
|  | .name = "da9052-regulator", | 
|  | .id = 14, | 
|  | }, | 
|  | { | 
|  | .name = "da9052-onkey", | 
|  | .resources = &da9052_onkey_resource, | 
|  | .num_resources = 1, | 
|  | }, | 
|  | { | 
|  | .name = "da9052-rtc", | 
|  | .resources = &da9052_rtc_resource, | 
|  | .num_resources = 1, | 
|  | }, | 
|  | { | 
|  | .name = "da9052-gpio", | 
|  | }, | 
|  | { | 
|  | .name = "da9052-hwmon", | 
|  | }, | 
|  | { | 
|  | .name = "da9052-leds", | 
|  | }, | 
|  | { | 
|  | .name = "da9052-wled1", | 
|  | }, | 
|  | { | 
|  | .name = "da9052-wled2", | 
|  | }, | 
|  | { | 
|  | .name = "da9052-wled3", | 
|  | }, | 
|  | { | 
|  | .name = "da9052-tsi", | 
|  | .resources = da9052_tsi_resources, | 
|  | .num_resources = ARRAY_SIZE(da9052_tsi_resources), | 
|  | }, | 
|  | { | 
|  | .name = "da9052-bat", | 
|  | .resources = da9052_bat_resources, | 
|  | .num_resources = ARRAY_SIZE(da9052_bat_resources), | 
|  | }, | 
|  | { | 
|  | .name = "da9052-watchdog", | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct regmap_irq da9052_irqs[] = { | 
|  | [DA9052_IRQ_DCIN] = { | 
|  | .reg_offset = 0, | 
|  | .mask = DA9052_IRQ_MASK_POS_1, | 
|  | }, | 
|  | [DA9052_IRQ_VBUS] = { | 
|  | .reg_offset = 0, | 
|  | .mask = DA9052_IRQ_MASK_POS_2, | 
|  | }, | 
|  | [DA9052_IRQ_DCINREM] = { | 
|  | .reg_offset = 0, | 
|  | .mask = DA9052_IRQ_MASK_POS_3, | 
|  | }, | 
|  | [DA9052_IRQ_VBUSREM] = { | 
|  | .reg_offset = 0, | 
|  | .mask = DA9052_IRQ_MASK_POS_4, | 
|  | }, | 
|  | [DA9052_IRQ_VDDLOW] = { | 
|  | .reg_offset = 0, | 
|  | .mask = DA9052_IRQ_MASK_POS_5, | 
|  | }, | 
|  | [DA9052_IRQ_ALARM] = { | 
|  | .reg_offset = 0, | 
|  | .mask = DA9052_IRQ_MASK_POS_6, | 
|  | }, | 
|  | [DA9052_IRQ_SEQRDY] = { | 
|  | .reg_offset = 0, | 
|  | .mask = DA9052_IRQ_MASK_POS_7, | 
|  | }, | 
|  | [DA9052_IRQ_COMP1V2] = { | 
|  | .reg_offset = 0, | 
|  | .mask = DA9052_IRQ_MASK_POS_8, | 
|  | }, | 
|  | [DA9052_IRQ_NONKEY] = { | 
|  | .reg_offset = 1, | 
|  | .mask = DA9052_IRQ_MASK_POS_1, | 
|  | }, | 
|  | [DA9052_IRQ_IDFLOAT] = { | 
|  | .reg_offset = 1, | 
|  | .mask = DA9052_IRQ_MASK_POS_2, | 
|  | }, | 
|  | [DA9052_IRQ_IDGND] = { | 
|  | .reg_offset = 1, | 
|  | .mask = DA9052_IRQ_MASK_POS_3, | 
|  | }, | 
|  | [DA9052_IRQ_CHGEND] = { | 
|  | .reg_offset = 1, | 
|  | .mask = DA9052_IRQ_MASK_POS_4, | 
|  | }, | 
|  | [DA9052_IRQ_TBAT] = { | 
|  | .reg_offset = 1, | 
|  | .mask = DA9052_IRQ_MASK_POS_5, | 
|  | }, | 
|  | [DA9052_IRQ_ADC_EOM] = { | 
|  | .reg_offset = 1, | 
|  | .mask = DA9052_IRQ_MASK_POS_6, | 
|  | }, | 
|  | [DA9052_IRQ_PENDOWN] = { | 
|  | .reg_offset = 1, | 
|  | .mask = DA9052_IRQ_MASK_POS_7, | 
|  | }, | 
|  | [DA9052_IRQ_TSIREADY] = { | 
|  | .reg_offset = 1, | 
|  | .mask = DA9052_IRQ_MASK_POS_8, | 
|  | }, | 
|  | [DA9052_IRQ_GPI0] = { | 
|  | .reg_offset = 2, | 
|  | .mask = DA9052_IRQ_MASK_POS_1, | 
|  | }, | 
|  | [DA9052_IRQ_GPI1] = { | 
|  | .reg_offset = 2, | 
|  | .mask = DA9052_IRQ_MASK_POS_2, | 
|  | }, | 
|  | [DA9052_IRQ_GPI2] = { | 
|  | .reg_offset = 2, | 
|  | .mask = DA9052_IRQ_MASK_POS_3, | 
|  | }, | 
|  | [DA9052_IRQ_GPI3] = { | 
|  | .reg_offset = 2, | 
|  | .mask = DA9052_IRQ_MASK_POS_4, | 
|  | }, | 
|  | [DA9052_IRQ_GPI4] = { | 
|  | .reg_offset = 2, | 
|  | .mask = DA9052_IRQ_MASK_POS_5, | 
|  | }, | 
|  | [DA9052_IRQ_GPI5] = { | 
|  | .reg_offset = 2, | 
|  | .mask = DA9052_IRQ_MASK_POS_6, | 
|  | }, | 
|  | [DA9052_IRQ_GPI6] = { | 
|  | .reg_offset = 2, | 
|  | .mask = DA9052_IRQ_MASK_POS_7, | 
|  | }, | 
|  | [DA9052_IRQ_GPI7] = { | 
|  | .reg_offset = 2, | 
|  | .mask = DA9052_IRQ_MASK_POS_8, | 
|  | }, | 
|  | [DA9052_IRQ_GPI8] = { | 
|  | .reg_offset = 3, | 
|  | .mask = DA9052_IRQ_MASK_POS_1, | 
|  | }, | 
|  | [DA9052_IRQ_GPI9] = { | 
|  | .reg_offset = 3, | 
|  | .mask = DA9052_IRQ_MASK_POS_2, | 
|  | }, | 
|  | [DA9052_IRQ_GPI10] = { | 
|  | .reg_offset = 3, | 
|  | .mask = DA9052_IRQ_MASK_POS_3, | 
|  | }, | 
|  | [DA9052_IRQ_GPI11] = { | 
|  | .reg_offset = 3, | 
|  | .mask = DA9052_IRQ_MASK_POS_4, | 
|  | }, | 
|  | [DA9052_IRQ_GPI12] = { | 
|  | .reg_offset = 3, | 
|  | .mask = DA9052_IRQ_MASK_POS_5, | 
|  | }, | 
|  | [DA9052_IRQ_GPI13] = { | 
|  | .reg_offset = 3, | 
|  | .mask = DA9052_IRQ_MASK_POS_6, | 
|  | }, | 
|  | [DA9052_IRQ_GPI14] = { | 
|  | .reg_offset = 3, | 
|  | .mask = DA9052_IRQ_MASK_POS_7, | 
|  | }, | 
|  | [DA9052_IRQ_GPI15] = { | 
|  | .reg_offset = 3, | 
|  | .mask = DA9052_IRQ_MASK_POS_8, | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static struct regmap_irq_chip da9052_regmap_irq_chip = { | 
|  | .name = "da9052_irq", | 
|  | .status_base = DA9052_EVENT_A_REG, | 
|  | .mask_base = DA9052_IRQ_MASK_A_REG, | 
|  | .ack_base = DA9052_EVENT_A_REG, | 
|  | .num_regs = DA9052_NUM_IRQ_REGS, | 
|  | .irqs = da9052_irqs, | 
|  | .num_irqs = ARRAY_SIZE(da9052_irqs), | 
|  | }; | 
|  |  | 
|  | struct regmap_config da9052_regmap_config = { | 
|  | .reg_bits = 8, | 
|  | .val_bits = 8, | 
|  |  | 
|  | .cache_type = REGCACHE_RBTREE, | 
|  |  | 
|  | .max_register = DA9052_PAGE1_CON_REG, | 
|  | .readable_reg = da9052_reg_readable, | 
|  | .writeable_reg = da9052_reg_writeable, | 
|  | .volatile_reg = da9052_reg_volatile, | 
|  | }; | 
|  | EXPORT_SYMBOL_GPL(da9052_regmap_config); | 
|  |  | 
|  | int __devinit da9052_device_init(struct da9052 *da9052, u8 chip_id) | 
|  | { | 
|  | struct da9052_pdata *pdata = da9052->dev->platform_data; | 
|  | struct irq_desc *desc; | 
|  | int ret; | 
|  |  | 
|  | mutex_init(&da9052->io_lock); | 
|  |  | 
|  | if (pdata && pdata->init != NULL) | 
|  | pdata->init(da9052); | 
|  |  | 
|  | da9052->chip_id = chip_id; | 
|  |  | 
|  | if (!pdata || !pdata->irq_base) | 
|  | da9052->irq_base = -1; | 
|  | else | 
|  | da9052->irq_base = pdata->irq_base; | 
|  |  | 
|  | ret = regmap_add_irq_chip(da9052->regmap, da9052->chip_irq, | 
|  | IRQF_TRIGGER_LOW | IRQF_ONESHOT, | 
|  | da9052->irq_base, &da9052_regmap_irq_chip, | 
|  | NULL); | 
|  | if (ret < 0) | 
|  | goto regmap_err; | 
|  |  | 
|  | desc = irq_to_desc(da9052->chip_irq); | 
|  | da9052->irq_base = regmap_irq_chip_get_base(desc->action->dev_id); | 
|  |  | 
|  | ret = mfd_add_devices(da9052->dev, -1, da9052_subdev_info, | 
|  | ARRAY_SIZE(da9052_subdev_info), NULL, 0); | 
|  | if (ret) | 
|  | goto err; | 
|  |  | 
|  | return 0; | 
|  |  | 
|  | err: | 
|  | mfd_remove_devices(da9052->dev); | 
|  | regmap_err: | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | void da9052_device_exit(struct da9052 *da9052) | 
|  | { | 
|  | regmap_del_irq_chip(da9052->chip_irq, | 
|  | irq_get_irq_data(da9052->irq_base)->chip_data); | 
|  | mfd_remove_devices(da9052->dev); | 
|  | } | 
|  |  | 
|  | MODULE_AUTHOR("David Dajun Chen <dchen@diasemi.com>"); | 
|  | MODULE_DESCRIPTION("DA9052 MFD Core"); | 
|  | MODULE_LICENSE("GPL"); |