Merge tag 'mfd-3.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-next

Pull MFD (multi-function device) updates from Samuel Ortiz:
 "For the 3.12 merge window we have one new driver for the DA9063 PMIC
  from Dialog Semiconductor.

  Besides that driver we also have:

   - Device tree support for the s2mps11 driver

   - More devm_* conversion for the pm8921, max89xx, menelaus, tps65010,
     wl1273 and pcf50633-adc drivers.

   - A conversion to threaded IRQ and IRQ domain for the twl6030 driver.

   - A fairly big update for the rtsx driver: Better power saving
     support, better vendor settings handling, and a few fixes.

   - Support for a couple more boards (COMe-bHL6 and COMe-cTH6) for the
     Kontron driver.

   - A conversion to the dev_get_platdata() API for all MFD drivers.

   - A removal of non-DT (legacy) support for the twl6040 driver.

   - A few fixes and additions (Mic detect level) to the wm5110 register
     tables.

   - Regmap support for the davinci_voicecodec driver.

   - The usual bunch of minor cleanups and janitorial fixes"

* tag 'mfd-3.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-next: (81 commits)
  mfd: ucb1x00-core: Rewrite ucb1x00_add_dev()
  mfd: ab8500-debugfs: Apply a check for -ENOMEM after allocating memory for event name
  mfd: ab8500-debugfs: Apply a check for -ENOMEM after allocating memory for sysfs
  mfd: timberdale: Use module_pci_driver
  mfd: timberdale: Remove redundant break
  mfd: timberdale: Staticize local variables
  mfd: ab8500-debugfs: Staticize local variables
  mfd: db8500-prcmu: Staticize clk_mgt
  mfd: db8500-prcmu: Use ANSI function declaration
  mfd: omap-usb-host: Staticize usbhs_driver_name
  mfd: 88pm805: Fix potential NULL pdata dereference
  mfd: 88pm800: Fix potential NULL pdata dereference
  mfd: twl6040: Use regmap for register cache
  mfd: davinci_voicecodec: Provide a regmap for register I/O
  mfd: davinci_voicecodec: Remove unused read and write functions
  mmc: memstick: rtsx: Modify copyright comments
  mmc: rtsx: Clear SD_CLK toggle enable bit if switching voltage fail
  mfd: mmc: rtsx: Change default tx phase
  mfd: pcf50633-adc: Use devm_*() functions
  mfd: rtsx: Copyright modifications
  ...

1 files changed, 193 insertions, 0 deletions

diff --git a/drivers/mfd/da9063-irq.c b/drivers/mfd/da9063-irq.c
new file mode 100644
index 000000000000..822922602ce9
--- /dev/null
+++ b/drivers/mfd/da9063-irq.c
@@ -0,0 +1,193 @@
+/* da9063-irq.c: Interrupts support for Dialog DA9063
+ *
+ * Copyright 2012 Dialog Semiconductor Ltd.
+ * Copyright 2013 Philipp Zabel, Pengutronix
+ *
+ * Author: Michal Hajduk <michal.hajduk@diasemi.com>
+ *
+ *  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
+#define EVENTS_BUF_LEN			4
+
+static const u8 mask_events_buf[] = { [0 ... (EVENTS_BUF_LEN - 1)] = ~0 };
+
+struct da9063_irq_data {
+	u16 reg;
+	u8 mask;
+};
+
+static struct regmap_irq da9063_irqs[] = {
+	/* DA9063 event A register */
+	[DA9063_IRQ_ONKEY] = {
+		.reg_offset = DA9063_REG_EVENT_A_OFFSET,
+		.mask = DA9063_M_ONKEY,
+	},
+	[DA9063_IRQ_ALARM] = {
+		.reg_offset = DA9063_REG_EVENT_A_OFFSET,
+		.mask = DA9063_M_ALARM,
+	},
+	[DA9063_IRQ_TICK] = {
+		.reg_offset = DA9063_REG_EVENT_A_OFFSET,
+		.mask = DA9063_M_TICK,
+	},
+	[DA9063_IRQ_ADC_RDY] = {
+		.reg_offset = DA9063_REG_EVENT_A_OFFSET,
+		.mask = DA9063_M_ADC_RDY,
+	},
+	[DA9063_IRQ_SEQ_RDY] = {
+		.reg_offset = DA9063_REG_EVENT_A_OFFSET,
+		.mask = DA9063_M_SEQ_RDY,
+	},
+	/* DA9063 event B register */
+	[DA9063_IRQ_WAKE] = {
+		.reg_offset = DA9063_REG_EVENT_B_OFFSET,
+		.mask = DA9063_M_WAKE,
+	},
+	[DA9063_IRQ_TEMP] = {
+		.reg_offset = DA9063_REG_EVENT_B_OFFSET,
+		.mask = DA9063_M_TEMP,
+	},
+	[DA9063_IRQ_COMP_1V2] = {
+		.reg_offset = DA9063_REG_EVENT_B_OFFSET,
+		.mask = DA9063_M_COMP_1V2,
+	},
+	[DA9063_IRQ_LDO_LIM] = {
+		.reg_offset = DA9063_REG_EVENT_B_OFFSET,
+		.mask = DA9063_M_LDO_LIM,
+	},
+	[DA9063_IRQ_REG_UVOV] = {
+		.reg_offset = DA9063_REG_EVENT_B_OFFSET,
+		.mask = DA9063_M_UVOV,
+	},
+	[DA9063_IRQ_VDD_MON] = {
+		.reg_offset = DA9063_REG_EVENT_B_OFFSET,
+		.mask = DA9063_M_VDD_MON,
+	},
+	[DA9063_IRQ_WARN] = {
+		.reg_offset = DA9063_REG_EVENT_B_OFFSET,
+		.mask = DA9063_M_VDD_WARN,
+	},
+	/* DA9063 event C register */
+	[DA9063_IRQ_GPI0] = {
+		.reg_offset = DA9063_REG_EVENT_C_OFFSET,
+		.mask = DA9063_M_GPI0,
+	},
+	[DA9063_IRQ_GPI1] = {
+		.reg_offset = DA9063_REG_EVENT_C_OFFSET,
+		.mask = DA9063_M_GPI1,
+	},
+	[DA9063_IRQ_GPI2] = {
+		.reg_offset = DA9063_REG_EVENT_C_OFFSET,
+		.mask = DA9063_M_GPI2,
+	},
+	[DA9063_IRQ_GPI3] = {
+		.reg_offset = DA9063_REG_EVENT_C_OFFSET,
+		.mask = DA9063_M_GPI3,
+	},
+	[DA9063_IRQ_GPI4] = {
+		.reg_offset = DA9063_REG_EVENT_C_OFFSET,
+		.mask = DA9063_M_GPI4,
+	},
+	[DA9063_IRQ_GPI5] = {
+		.reg_offset = DA9063_REG_EVENT_C_OFFSET,
+		.mask = DA9063_M_GPI5,
+	},
+	[DA9063_IRQ_GPI6] = {
+		.reg_offset = DA9063_REG_EVENT_C_OFFSET,
+		.mask = DA9063_M_GPI6,
+	},
+	[DA9063_IRQ_GPI7] = {
+		.reg_offset = DA9063_REG_EVENT_C_OFFSET,
+		.mask = DA9063_M_GPI7,
+	},
+	/* DA9063 event D register */
+	[DA9063_IRQ_GPI8] = {
+		.reg_offset = DA9063_REG_EVENT_D_OFFSET,
+		.mask = DA9063_M_GPI8,
+	},
+	[DA9063_IRQ_GPI9] = {
+		.reg_offset = DA9063_REG_EVENT_D_OFFSET,
+		.mask = DA9063_M_GPI9,
+	},
+	[DA9063_IRQ_GPI10] = {
+		.reg_offset = DA9063_REG_EVENT_D_OFFSET,
+		.mask = DA9063_M_GPI10,
+	},
+	[DA9063_IRQ_GPI11] = {
+		.reg_offset = DA9063_REG_EVENT_D_OFFSET,
+		.mask = DA9063_M_GPI11,
+	},
+	[DA9063_IRQ_GPI12] = {
+		.reg_offset = DA9063_REG_EVENT_D_OFFSET,
+		.mask = DA9063_M_GPI12,
+	},
+	[DA9063_IRQ_GPI13] = {
+		.reg_offset = DA9063_REG_EVENT_D_OFFSET,
+		.mask = DA9063_M_GPI13,
+	},
+	[DA9063_IRQ_GPI14] = {
+		.reg_offset = DA9063_REG_EVENT_D_OFFSET,
+		.mask = DA9063_M_GPI14,
+	},
+	[DA9063_IRQ_GPI15] = {
+		.reg_offset = DA9063_REG_EVENT_D_OFFSET,
+		.mask = DA9063_M_GPI15,
+	},
+};
+
+static struct regmap_irq_chip da9063_irq_chip = {
+	.name = "da9063-irq",
+	.irqs = da9063_irqs,
+	.num_irqs = DA9063_NUM_IRQ,
+
+	.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 = regmap_add_irq_chip(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;
+}
+
+void da9063_irq_exit(struct da9063 *da9063)
+{
+	regmap_del_irq_chip(da9063->chip_irq, da9063->regmap_irq);
+}