Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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;
+}