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/* 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,
};
int da9063_irq_init(struct da9063 *da9063)
{
int ret;
if (!da9063->chip_irq) {
dev_err(da9063->dev, "No IRQ configured\n");
return -EINVAL;
}
ret = devm_regmap_add_irq_chip(da9063->dev, da9063->regmap,
da9063->chip_irq,
IRQF_TRIGGER_LOW | IRQF_ONESHOT | IRQF_SHARED,
da9063->irq_base, &da9063_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;
}
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