Merge tag 'mfd-for-linus-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "Changes to existing drivers:
   - Use of managed resources - omap, twl4030, ti_am335x_tscadc
   - Advanced error handling - omap
   - Rework clk management - omap
   - Device Tree (re-)work - tc3589x, pm8921, da9055, sec
   - IRC management overhaul and !BROKEN - pm8921
   - Convert to regmap - ssbi, pm8921
   - Use simple power-management ops - ucb1x00
   - Include file clean-up - adp5520, cs5535, janz, lpc_ich,
      - lpc_sch, max14577, mcp-sa11x0, pcf50633-adc, rc5t583,
      	rdc321x-southbridge, retu, smsc-ece1099, ti-ssp, ti_am335x_tscadc,
	tps65912, vexpress-config, wm8350, ywm8350
   - Various bug fixes across the subsystem
      - NULL/invalid pointer dereference prevention
      - Resource leak mitigation,
      - Variable used initialised
      - Staticise various containers
      - Enforce return value checks

  New drivers/supported devices:
   - Add support for s2mps14 and s2mpa01 to sec
   - Add support for da9063 (v5) to da9063
   - Add support for atom-c2000 to gpio-ich
   - Add support for come-{mbt10,cbt6,chl6} to kempld
   - Add support for da9053 to da9052
   - Add support for itco-wdt (v3) and baytrail to lpc_ich
   - Add new drivers for tps65218, rtsx_usb, bcm590xx

  (Re-)moved drivers:
   - twl4030 ==> drivers/iio
   - ti-ssp  ==> /dev/null"

* tag 'mfd-for-linus-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (103 commits)
  mfd: wm5110: Correct default for HEADPHONE_DETECT_1
  mfd: arizona: Correct small errors in the DT binding documentation
  mfd: arizona: Mark DSP clocking register as volatile
  mfd: devicetree: bindings: Add pm8xxx RTC description
  mfd: kempld-core: Fix potential hang-up during boot
  mfd: sec-core: Fix uninitialized 'regmap_rtc' on S2MPA01
  mfd: tps65910: Fix regmap_irq_chip_data leak on mfd_add_devices fail
  mfd: tps65910: Fix possible invalid pointer dereference on regmap_add_irq_chip fail
  mfd: sec-core: Fix I2C dummy device resource leak on probe failure
  mfd: sec-core: Add of_compatible strings for clock MFD cells
  mfd: Remove obsolete ti-ssp driver
  Documentation: mfd: s2mps11: Describe S5M8767 and S2MPS14 clocks
  mfd: bcm590xx: Fix type argument for module device table
  mfd: lpc_ich: Add support for Intel Bay Trail SoC
  mfd: lpc_ich: Add support for NM10 GPIO
  mfd: lpc_ich: Change Avoton to iTCO v3
  watchdog: iTCO_wdt: Add support for v3 silicon
  mfd: lpc_ich: Add support for iTCO v3
  mfd: lpc_ich: Remove lpc_ich_cfg struct use
  mfd: lpc_ich: Only configure watchdog or GPIO when present
  ...

1 files changed, 93 insertions, 0 deletions

diff --git a/drivers/mfd/bcm590xx.c b/drivers/mfd/bcm590xx.c
new file mode 100644
index 000000000000..e9a33c79431b
--- /dev/null
+++ b/drivers/mfd/bcm590xx.c
@@ -0,0 +1,93 @@
+/*
+ * Broadcom BCM590xx PMU
+ *
+ * Copyright 2014 Linaro Limited
+ * Author: Matt Porter <mporter@linaro.org>
+ *
+ * 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/err.h>
+#include <linux/i2c.h>
+#include <linux/init.h>
+#include <linux/mfd/bcm590xx.h>
+#include <linux/mfd/core.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+
+static const struct mfd_cell bcm590xx_devs[] = {
+        {
+                .name = "bcm590xx-vregs",
+        },
+};
+
+static const struct regmap_config bcm590xx_regmap_config = {
+        .reg_bits       = 8,
+        .val_bits       = 8,
+        .max_register   = BCM590XX_MAX_REGISTER,
+        .cache_type     = REGCACHE_RBTREE,
+};
+
+static int bcm590xx_i2c_probe(struct i2c_client *i2c,
+                              const struct i2c_device_id *id)
+{
+        struct bcm590xx *bcm590xx;
+        int ret;
+
+        bcm590xx = devm_kzalloc(&i2c->dev, sizeof(*bcm590xx), GFP_KERNEL);
+        if (!bcm590xx)
+                return -ENOMEM;
+
+        i2c_set_clientdata(i2c, bcm590xx);
+        bcm590xx->dev = &i2c->dev;
+        bcm590xx->i2c_client = i2c;
+
+        bcm590xx->regmap = devm_regmap_init_i2c(i2c, &bcm590xx_regmap_config);
+        if (IS_ERR(bcm590xx->regmap)) {
+                ret = PTR_ERR(bcm590xx->regmap);
+                dev_err(&i2c->dev, "regmap initialization failed: %d\n", ret);
+                return ret;
+        }
+
+        ret = mfd_add_devices(&i2c->dev, -1, bcm590xx_devs,
+                              ARRAY_SIZE(bcm590xx_devs), NULL, 0, NULL);
+        if (ret < 0)
+                dev_err(&i2c->dev, "failed to add sub-devices: %d\n", ret);
+
+        return ret;
+}
+
+static const struct of_device_id bcm590xx_of_match[] = {
+        { .compatible = "brcm,bcm59056" },
+        { }
+};
+MODULE_DEVICE_TABLE(of, bcm590xx_of_match);
+
+static const struct i2c_device_id bcm590xx_i2c_id[] = {
+        { "bcm59056" },
+        { }
+};
+MODULE_DEVICE_TABLE(i2c, bcm590xx_i2c_id);
+
+static struct i2c_driver bcm590xx_i2c_driver = {
+        .driver = {
+                   .name = "bcm590xx",
+                   .owner = THIS_MODULE,
+                   .of_match_table = of_match_ptr(bcm590xx_of_match),
+        },
+        .probe = bcm590xx_i2c_probe,
+        .id_table = bcm590xx_i2c_id,
+};
+module_i2c_driver(bcm590xx_i2c_driver);
+
+MODULE_AUTHOR("Matt Porter <mporter@linaro.org>");
+MODULE_DESCRIPTION("BCM590xx multi-function driver");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:bcm590xx");