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-rw-r--r--drivers/mfd/da9063-irq.c203
1 files changed, 203 insertions, 0 deletions
diff --git a/drivers/mfd/da9063-irq.c b/drivers/mfd/da9063-irq.c
new file mode 100644
index 000000000..ecc0c8ce6
--- /dev/null
+++ b/drivers/mfd/da9063-irq.c
@@ -0,0 +1,203 @@
+/* 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;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-28 22:55:39 +0000