| /* da9063-irq.c: Interrupts support for Dialog DA9063 |
| * |
| * Copyright 2012 Dialog Semiconductor Ltd. |
| * Copyright 2013 Philipp Zabel, Pengutronix |
| * |
| * Author: Michal Hajduk, Dialog Semiconductor |
| * |
| * 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/kernel.h> |
| #include <linux/module.h> |
| #include <linux/irq.h> |
| #include <linux/mfd/core.h> |
| #include <linux/interrupt.h> |
| #include <linux/regmap.h> |
| #include <linux/mfd/da9063/core.h> |
| #include <linux/mfd/da9063/pdata.h> |
| |
| #define DA9063_REG_EVENT_A_OFFSET 0 |
| #define DA9063_REG_EVENT_B_OFFSET 1 |
| #define DA9063_REG_EVENT_C_OFFSET 2 |
| #define DA9063_REG_EVENT_D_OFFSET 3 |
| |
| static const struct regmap_irq da9063_irqs[] = { |
| /* DA9063 event A register */ |
| REGMAP_IRQ_REG(DA9063_IRQ_ONKEY, |
| DA9063_REG_EVENT_A_OFFSET, DA9063_M_ONKEY), |
| REGMAP_IRQ_REG(DA9063_IRQ_ALARM, |
| DA9063_REG_EVENT_A_OFFSET, DA9063_M_ALARM), |
| REGMAP_IRQ_REG(DA9063_IRQ_TICK, |
| DA9063_REG_EVENT_A_OFFSET, DA9063_M_TICK), |
| REGMAP_IRQ_REG(DA9063_IRQ_ADC_RDY, |
| DA9063_REG_EVENT_A_OFFSET, DA9063_M_ADC_RDY), |
| REGMAP_IRQ_REG(DA9063_IRQ_SEQ_RDY, |
| DA9063_REG_EVENT_A_OFFSET, DA9063_M_SEQ_RDY), |
| /* DA9063 event B register */ |
| REGMAP_IRQ_REG(DA9063_IRQ_WAKE, |
| DA9063_REG_EVENT_B_OFFSET, DA9063_M_WAKE), |
| REGMAP_IRQ_REG(DA9063_IRQ_TEMP, |
| DA9063_REG_EVENT_B_OFFSET, DA9063_M_TEMP), |
| REGMAP_IRQ_REG(DA9063_IRQ_COMP_1V2, |
| DA9063_REG_EVENT_B_OFFSET, DA9063_M_COMP_1V2), |
| REGMAP_IRQ_REG(DA9063_IRQ_LDO_LIM, |
| DA9063_REG_EVENT_B_OFFSET, DA9063_M_LDO_LIM), |
| REGMAP_IRQ_REG(DA9063_IRQ_REG_UVOV, |
| DA9063_REG_EVENT_B_OFFSET, DA9063_M_UVOV), |
| REGMAP_IRQ_REG(DA9063_IRQ_DVC_RDY, |
| DA9063_REG_EVENT_B_OFFSET, DA9063_M_DVC_RDY), |
| REGMAP_IRQ_REG(DA9063_IRQ_VDD_MON, |
| DA9063_REG_EVENT_B_OFFSET, DA9063_M_VDD_MON), |
| REGMAP_IRQ_REG(DA9063_IRQ_WARN, |
| DA9063_REG_EVENT_B_OFFSET, DA9063_M_VDD_WARN), |
| /* DA9063 event C register */ |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI0, |
| DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI0), |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI1, |
| DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI1), |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI2, |
| DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI2), |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI3, |
| DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI3), |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI4, |
| DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI4), |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI5, |
| DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI5), |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI6, |
| DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI6), |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI7, |
| DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI7), |
| /* DA9063 event D register */ |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI8, |
| DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI8), |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI9, |
| DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI9), |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI10, |
| DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI10), |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI11, |
| DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI11), |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI12, |
| DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI12), |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI13, |
| DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI13), |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI14, |
| DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI14), |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI15, |
| DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI15), |
| }; |
| |
| static const struct regmap_irq_chip da9063_irq_chip = { |
| .name = "da9063-irq", |
| .irqs = da9063_irqs, |
| .num_irqs = ARRAY_SIZE(da9063_irqs), |
| .num_regs = 4, |
| .status_base = DA9063_REG_EVENT_A, |
| .mask_base = DA9063_REG_IRQ_MASK_A, |
| .ack_base = DA9063_REG_EVENT_A, |
| .init_ack_masked = true, |
| }; |
| |
| static const struct regmap_irq da9063l_irqs[] = { |
| /* DA9063 event A register */ |
| REGMAP_IRQ_REG(DA9063_IRQ_ONKEY, |
| DA9063_REG_EVENT_A_OFFSET, DA9063_M_ONKEY), |
| REGMAP_IRQ_REG(DA9063_IRQ_ADC_RDY, |
| DA9063_REG_EVENT_A_OFFSET, DA9063_M_ADC_RDY), |
| REGMAP_IRQ_REG(DA9063_IRQ_SEQ_RDY, |
| DA9063_REG_EVENT_A_OFFSET, DA9063_M_SEQ_RDY), |
| /* DA9063 event B register */ |
| REGMAP_IRQ_REG(DA9063_IRQ_WAKE, |
| DA9063_REG_EVENT_B_OFFSET, DA9063_M_WAKE), |
| REGMAP_IRQ_REG(DA9063_IRQ_TEMP, |
| DA9063_REG_EVENT_B_OFFSET, DA9063_M_TEMP), |
| REGMAP_IRQ_REG(DA9063_IRQ_COMP_1V2, |
| DA9063_REG_EVENT_B_OFFSET, DA9063_M_COMP_1V2), |
| REGMAP_IRQ_REG(DA9063_IRQ_LDO_LIM, |
| DA9063_REG_EVENT_B_OFFSET, DA9063_M_LDO_LIM), |
| REGMAP_IRQ_REG(DA9063_IRQ_REG_UVOV, |
| DA9063_REG_EVENT_B_OFFSET, DA9063_M_UVOV), |
| REGMAP_IRQ_REG(DA9063_IRQ_DVC_RDY, |
| DA9063_REG_EVENT_B_OFFSET, DA9063_M_DVC_RDY), |
| REGMAP_IRQ_REG(DA9063_IRQ_VDD_MON, |
| DA9063_REG_EVENT_B_OFFSET, DA9063_M_VDD_MON), |
| REGMAP_IRQ_REG(DA9063_IRQ_WARN, |
| DA9063_REG_EVENT_B_OFFSET, DA9063_M_VDD_WARN), |
| /* DA9063 event C register */ |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI0, |
| DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI0), |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI1, |
| DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI1), |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI2, |
| DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI2), |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI3, |
| DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI3), |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI4, |
| DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI4), |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI5, |
| DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI5), |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI6, |
| DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI6), |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI7, |
| DA9063_REG_EVENT_C_OFFSET, DA9063_M_GPI7), |
| /* DA9063 event D register */ |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI8, |
| DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI8), |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI9, |
| DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI9), |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI10, |
| DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI10), |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI11, |
| DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI11), |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI12, |
| DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI12), |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI13, |
| DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI13), |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI14, |
| DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI14), |
| REGMAP_IRQ_REG(DA9063_IRQ_GPI15, |
| DA9063_REG_EVENT_D_OFFSET, DA9063_M_GPI15), |
| }; |
| |
| static const struct regmap_irq_chip da9063l_irq_chip = { |
| .name = "da9063l-irq", |
| .irqs = da9063l_irqs, |
| .num_irqs = ARRAY_SIZE(da9063l_irqs), |
| .num_regs = 4, |
| .status_base = DA9063_REG_EVENT_A, |
| .mask_base = DA9063_REG_IRQ_MASK_A, |
| .ack_base = DA9063_REG_EVENT_A, |
| .init_ack_masked = true, |
| }; |
| |
| int da9063_irq_init(struct da9063 *da9063) |
| { |
| const struct regmap_irq_chip *irq_chip; |
| int ret; |
| |
| if (!da9063->chip_irq) { |
| dev_err(da9063->dev, "No IRQ configured\n"); |
| return -EINVAL; |
| } |
| |
| if (da9063->type == PMIC_TYPE_DA9063) |
| irq_chip = &da9063_irq_chip; |
| else |
| irq_chip = &da9063l_irq_chip; |
| |
| ret = devm_regmap_add_irq_chip(da9063->dev, da9063->regmap, |
| da9063->chip_irq, |
| IRQF_TRIGGER_LOW | IRQF_ONESHOT | IRQF_SHARED, |
| da9063->irq_base, irq_chip, &da9063->regmap_irq); |
| if (ret) { |
| dev_err(da9063->dev, "Failed to reguest IRQ %d: %d\n", |
| da9063->chip_irq, ret); |
| return ret; |
| } |
| |
| return 0; |
| } |