// SPDX-License-Identifier: GPL-2.0+ /* Interrupt support for Dialog DA9063 * * Copyright 2012 Dialog Semiconductor Ltd. * Copyright 2013 Philipp Zabel, Pengutronix * * Author: Michal Hajduk, Dialog Semiconductor */ #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> #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; }