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authorLinus Torvalds <torvalds@linux-foundation.org>2008-10-20 09:22:47 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-20 09:22:47 -0700
commit3b72e4415438538c0967fd1aee930f688ccdf6dd (patch)
treeb3c234f933c4781d028e499b0e12f85f6366591a
parent396b122f6af3d329df3b4d688f6e66de3e2a399a (diff)
parent64c12e9b7edb0bfce9c5d7db43091b67894d8339 (diff)
Merge branch 'for-next' of git://git.o-hand.com/linux-mfd
* 'for-next' of git://git.o-hand.com/linux-mfd: mfd: further unbork the ucb1400 ac97_bus dependencies mfd: ucb1400 needs GPIO mfd: ucb1400 sound driver uses/depends on AC97_BUS: mfd: Don't use NO_IRQ in WM8350 mfd: update TMIO drivers to use the clock API mfd: twl4030-core irq simplification mfd: add base support for Dialog DA9030/DA9034 PMICs mfd: TWL4030 core driver mfd: support tmiofb cell on tc6393xb mfd: add OHCI cell to tc6393xb mfd: Fix htc-egpio compile warning mfd: do tcb6393xb state restore on resume only if requested mfd: provide and use setup hook for tc6393xb mfd: update sm501 debugging/low information messages mfd: reduce stack usage in mfd-core.c
-rw-r--r--arch/arm/mach-pxa/include/mach/tosa.h2
-rw-r--r--arch/arm/mach-pxa/tosa.c37
-rw-r--r--drivers/input/touchscreen/Kconfig2
-rw-r--r--drivers/mfd/Kconfig16
-rw-r--r--drivers/mfd/Makefile2
-rw-r--r--drivers/mfd/da903x.c563
-rw-r--r--drivers/mfd/htc-egpio.c2
-rw-r--r--drivers/mfd/mfd-core.c15
-rw-r--r--drivers/mfd/sm501.c6
-rw-r--r--drivers/mfd/t7l66xb.c40
-rw-r--r--drivers/mfd/tc6387xb.c47
-rw-r--r--drivers/mfd/tc6393xb.c296
-rw-r--r--drivers/mfd/twl4030-core.c1193
-rw-r--r--drivers/mfd/wm8350-core.c2
-rw-r--r--include/linux/i2c/twl4030.h339
-rw-r--r--include/linux/mfd/da903x.h201
-rw-r--r--include/linux/mfd/t7l66xb.h2
-rw-r--r--include/linux/mfd/tc6387xb.h3
-rw-r--r--include/linux/mfd/tc6393xb.h17
19 files changed, 2687 insertions, 98 deletions
diff --git a/arch/arm/mach-pxa/include/mach/tosa.h b/arch/arm/mach-pxa/include/mach/tosa.h
index a72803f0461..8bce6d8615b 100644
--- a/arch/arm/mach-pxa/include/mach/tosa.h
+++ b/arch/arm/mach-pxa/include/mach/tosa.h
@@ -59,8 +59,6 @@
* TC6393XB GPIOs
*/
#define TOSA_TC6393XB_GPIO_BASE (NR_BUILTIN_GPIO + 2 * 12)
-#define TOSA_TC6393XB_GPIO(i) (TOSA_TC6393XB_GPIO_BASE + (i))
-#define TOSA_TC6393XB_GPIO_BIT(gpio) (1 << (gpio - TOSA_TC6393XB_GPIO_BASE))
#define TOSA_GPIO_TG_ON (TOSA_TC6393XB_GPIO_BASE + 0)
#define TOSA_GPIO_L_MUTE (TOSA_TC6393XB_GPIO_BASE + 1)
diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index 130e37e4ebd..a6c4694359c 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -706,16 +706,39 @@ static struct tmio_nand_data tosa_tc6393xb_nand_config = {
.badblock_pattern = &tosa_tc6393xb_nand_bbt,
};
-static struct tc6393xb_platform_data tosa_tc6393xb_setup = {
+static int tosa_tc6393xb_setup(struct platform_device *dev)
+{
+ int rc;
+
+ rc = gpio_request(TOSA_GPIO_CARD_VCC_ON, "CARD_VCC_ON");
+ if (rc)
+ goto err_req;
+
+ rc = gpio_direction_output(TOSA_GPIO_CARD_VCC_ON, 1);
+ if (rc)
+ goto err_dir;
+
+ return rc;
+
+err_dir:
+ gpio_free(TOSA_GPIO_CARD_VCC_ON);
+err_req:
+ return rc;
+}
+
+static void tosa_tc6393xb_teardown(struct platform_device *dev)
+{
+ gpio_free(TOSA_GPIO_CARD_VCC_ON);
+}
+
+static struct tc6393xb_platform_data tosa_tc6393xb_data = {
.scr_pll2cr = 0x0cc1,
.scr_gper = 0x3300,
- .scr_gpo_dsr =
- TOSA_TC6393XB_GPIO_BIT(TOSA_GPIO_CARD_VCC_ON),
- .scr_gpo_doecr =
- TOSA_TC6393XB_GPIO_BIT(TOSA_GPIO_CARD_VCC_ON),
.irq_base = IRQ_BOARD_START,
.gpio_base = TOSA_TC6393XB_GPIO_BASE,
+ .setup = tosa_tc6393xb_setup,
+ .teardown = tosa_tc6393xb_teardown,
.enable = tosa_tc6393xb_enable,
.disable = tosa_tc6393xb_disable,
@@ -723,6 +746,8 @@ static struct tc6393xb_platform_data tosa_tc6393xb_setup = {
.resume = tosa_tc6393xb_resume,
.nand_data = &tosa_tc6393xb_nand_config,
+
+ .resume_restore = 1,
};
@@ -730,7 +755,7 @@ static struct platform_device tc6393xb_device = {
.name = "tc6393xb",
.id = -1,
.dev = {
- .platform_data = &tosa_tc6393xb_setup,
+ .platform_data = &tosa_tc6393xb_data,
},
.num_resources = ARRAY_SIZE(tc6393xb_resources),
.resource = tc6393xb_resources,
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 6e1e8c624f9..8317fdef169 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -219,7 +219,7 @@ config TOUCHSCREEN_ATMEL_TSADCC
config TOUCHSCREEN_UCB1400
tristate "Philips UCB1400 touchscreen"
- select AC97_BUS
+ depends on AC97_BUS
depends on UCB1400_CORE
help
This enables support for the Philips UCB1400 touchscreen interface.
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 5eff8ad834d..5a79d2d4cda 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -52,6 +52,8 @@ config HTC_PASIC3
config UCB1400_CORE
tristate "Philips UCB1400 Core driver"
+ depends on AC97_BUS
+ depends on GPIOLIB
help
This enables support for the Philips UCB1400 core functions.
The UCB1400 is an AC97 audio codec.
@@ -59,6 +61,20 @@ config UCB1400_CORE
To compile this driver as a module, choose M here: the
module will be called ucb1400_core.
+config TWL4030_CORE
+ bool "Texas Instruments TWL4030/TPS659x0 Support"
+ depends on I2C=y && GENERIC_HARDIRQS && (ARCH_OMAP2 || ARCH_OMAP3)
+ help
+ Say yes here if you have TWL4030 family chip on your board.
+ This core driver provides register access and IRQ handling
+ facilities, and registers devices for the various functions
+ so that function-specific drivers can bind to them.
+
+ These multi-function chips are found on many OMAP2 and OMAP3
+ boards, providing power management, RTC, GPIO, keypad, a
+ high speed USB OTG transceiver, an audio codec (on most
+ versions) and many other features.
+
config MFD_TMIO
bool
default n
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 759b1fe1c89..68e237b830a 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -17,6 +17,8 @@ wm8350-objs := wm8350-core.o wm8350-regmap.o wm8350-gpio.o
obj-$(CONFIG_MFD_WM8350) += wm8350.o
obj-$(CONFIG_MFD_WM8350_I2C) += wm8350-i2c.o
+obj-$(CONFIG_TWL4030_CORE) += twl4030-core.o
+
obj-$(CONFIG_MFD_CORE) += mfd-core.o
obj-$(CONFIG_MCP) += mcp-core.o
diff --git a/drivers/mfd/da903x.c b/drivers/mfd/da903x.c
new file mode 100644
index 00000000000..b57326ae464
--- /dev/null
+++ b/drivers/mfd/da903x.c
@@ -0,0 +1,563 @@
+/*
+ * Base driver for Dialog Semiconductor DA9030/DA9034
+ *
+ * Copyright (C) 2008 Compulab, Ltd.
+ * Mike Rapoport <mike@compulab.co.il>
+ *
+ * Copyright (C) 2006-2008 Marvell International Ltd.
+ * Eric Miao <eric.miao@marvell.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+#include <linux/mfd/da903x.h>
+
+#define DA9030_CHIP_ID 0x00
+#define DA9030_EVENT_A 0x01
+#define DA9030_EVENT_B 0x02
+#define DA9030_EVENT_C 0x03
+#define DA9030_STATUS 0x04
+#define DA9030_IRQ_MASK_A 0x05
+#define DA9030_IRQ_MASK_B 0x06
+#define DA9030_IRQ_MASK_C 0x07
+#define DA9030_SYS_CTRL_A 0x08
+#define DA9030_SYS_CTRL_B 0x09
+#define DA9030_FAULT_LOG 0x0a
+
+#define DA9034_CHIP_ID 0x00
+#define DA9034_EVENT_A 0x01
+#define DA9034_EVENT_B 0x02
+#define DA9034_EVENT_C 0x03
+#define DA9034_EVENT_D 0x04
+#define DA9034_STATUS_A 0x05
+#define DA9034_STATUS_B 0x06
+#define DA9034_IRQ_MASK_A 0x07
+#define DA9034_IRQ_MASK_B 0x08
+#define DA9034_IRQ_MASK_C 0x09
+#define DA9034_IRQ_MASK_D 0x0a
+#define DA9034_SYS_CTRL_A 0x0b
+#define DA9034_SYS_CTRL_B 0x0c
+#define DA9034_FAULT_LOG 0x0d
+
+struct da903x_chip;
+
+struct da903x_chip_ops {
+ int (*init_chip)(struct da903x_chip *);
+ int (*unmask_events)(struct da903x_chip *, unsigned int events);
+ int (*mask_events)(struct da903x_chip *, unsigned int events);
+ int (*read_events)(struct da903x_chip *, unsigned int *events);
+ int (*read_status)(struct da903x_chip *, unsigned int *status);
+};
+
+struct da903x_chip {
+ struct i2c_client *client;
+ struct device *dev;
+ struct da903x_chip_ops *ops;
+
+ int type;
+ uint32_t events_mask;
+
+ struct mutex lock;
+ struct work_struct irq_work;
+
+ struct blocking_notifier_head notifier_list;
+};
+
+static inline int __da903x_read(struct i2c_client *client,
+ int reg, uint8_t *val)
+{
+ int ret;
+
+ ret = i2c_smbus_read_byte_data(client, reg);
+ if (ret < 0) {
+ dev_err(&client->dev, "failed reading at 0x%02x\n", reg);
+ return ret;
+ }
+
+ *val = (uint8_t)ret;
+ return 0;
+}
+
+static inline int __da903x_reads(struct i2c_client *client, int reg,
+ int len, uint8_t *val)
+{
+ int ret;
+
+ ret = i2c_smbus_read_i2c_block_data(client, reg, len, val);
+ if (ret < 0) {
+ dev_err(&client->dev, "failed reading from 0x%02x\n", reg);
+ return ret;
+ }
+ return 0;
+}
+
+static inline int __da903x_write(struct i2c_client *client,
+ int reg, uint8_t val)
+{
+ int ret;
+
+ ret = i2c_smbus_write_byte_data(client, reg, val);
+ if (ret < 0) {
+ dev_err(&client->dev, "failed writing 0x%02x to 0x%02x\n",
+ val, reg);
+ return ret;
+ }
+ return 0;
+}
+
+static inline int __da903x_writes(struct i2c_client *client, int reg,
+ int len, uint8_t *val)
+{
+ int ret;
+
+ ret = i2c_smbus_write_i2c_block_data(client, reg, len, val);
+ if (ret < 0) {
+ dev_err(&client->dev, "failed writings to 0x%02x\n", reg);
+ return ret;
+ }
+ return 0;
+}
+
+int da903x_register_notifier(struct device *dev, struct notifier_block *nb,
+ unsigned int events)
+{
+ struct da903x_chip *chip = dev_get_drvdata(dev);
+
+ chip->ops->unmask_events(chip, events);
+ return blocking_notifier_chain_register(&chip->notifier_list, nb);
+}
+EXPORT_SYMBOL_GPL(da903x_register_notifier);
+
+int da903x_unregister_notifier(struct device *dev, struct notifier_block *nb,
+ unsigned int events)
+{
+ struct da903x_chip *chip = dev_get_drvdata(dev);
+
+ chip->ops->mask_events(chip, events);
+ return blocking_notifier_chain_unregister(&chip->notifier_list, nb);
+}
+EXPORT_SYMBOL_GPL(da903x_unregister_notifier);
+
+int da903x_write(struct device *dev, int reg, uint8_t val)
+{
+ return __da903x_write(to_i2c_client(dev), reg, val);
+}
+EXPORT_SYMBOL_GPL(da903x_write);
+
+int da903x_read(struct device *dev, int reg, uint8_t *val)
+{
+ return __da903x_read(to_i2c_client(dev), reg, val);
+}
+EXPORT_SYMBOL_GPL(da903x_read);
+
+int da903x_set_bits(struct device *dev, int reg, uint8_t bit_mask)
+{
+ struct da903x_chip *chip = dev_get_drvdata(dev);
+ uint8_t reg_val;
+ int ret = 0;
+
+ mutex_lock(&chip->lock);
+
+ ret = __da903x_read(chip->client, reg, &reg_val);
+ if (ret)
+ goto out;
+
+ if ((reg_val & bit_mask) == 0) {
+ reg_val |= bit_mask;
+ ret = __da903x_write(chip->client, reg, reg_val);
+ }
+out:
+ mutex_unlock(&chip->lock);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(da903x_set_bits);
+
+int da903x_clr_bits(struct device *dev, int reg, uint8_t bit_mask)
+{
+ struct da903x_chip *chip = dev_get_drvdata(dev);
+ uint8_t reg_val;
+ int ret = 0;
+
+ mutex_lock(&chip->lock);
+
+ ret = __da903x_read(chip->client, reg, &reg_val);
+ if (ret)
+ goto out;
+
+ if (reg_val & bit_mask) {
+ reg_val &= ~bit_mask;
+ ret = __da903x_write(chip->client, reg, reg_val);
+ }
+out:
+ mutex_unlock(&chip->lock);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(da903x_clr_bits);
+
+int da903x_update(struct device *dev, int reg, uint8_t val, uint8_t mask)
+{
+ struct da903x_chip *chip = dev_get_drvdata(dev);
+ uint8_t reg_val;
+ int ret = 0;
+
+ mutex_lock(&chip->lock);
+
+ ret = __da903x_read(chip->client, reg, &reg_val);
+ if (ret)
+ goto out;
+
+ if ((reg_val & mask) != val) {
+ reg_val = (reg_val & ~mask) | val;
+ ret = __da903x_write(chip->client, reg, reg_val);
+ }
+out:
+ mutex_unlock(&chip->lock);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(da903x_update);
+
+int da903x_query_status(struct device *dev, unsigned int sbits)
+{
+ struct da903x_chip *chip = dev_get_drvdata(dev);
+ unsigned int status = 0;
+
+ chip->ops->read_status(chip, &status);
+ return ((status & sbits) == sbits);
+}
+EXPORT_SYMBOL(da903x_query_status);
+
+static int __devinit da9030_init_chip(struct da903x_chip *chip)
+{
+ uint8_t chip_id;
+ int err;
+
+ err = __da903x_read(chip->client, DA9030_CHIP_ID, &chip_id);
+ if (err)
+ return err;
+
+ err = __da903x_write(chip->client, DA9030_SYS_CTRL_A, 0xE8);
+ if (err)
+ return err;
+
+ dev_info(chip->dev, "DA9030 (CHIP ID: 0x%02x) detected\n", chip_id);
+ return 0;
+}
+
+static int da9030_unmask_events(struct da903x_chip *chip, unsigned int events)
+{
+ uint8_t v[3];
+
+ chip->events_mask &= ~events;
+
+ v[0] = (chip->events_mask & 0xff);
+ v[1] = (chip->events_mask >> 8) & 0xff;
+ v[2] = (chip->events_mask >> 16) & 0xff;
+
+ return __da903x_writes(chip->client, DA9030_IRQ_MASK_A, 3, v);
+}
+
+static int da9030_mask_events(struct da903x_chip *chip, unsigned int events)
+{
+ uint8_t v[3];
+
+ chip->events_mask &= ~events;
+
+ v[0] = (chip->events_mask & 0xff);
+ v[1] = (chip->events_mask >> 8) & 0xff;
+ v[2] = (chip->events_mask >> 16) & 0xff;
+
+ return __da903x_writes(chip->client, DA9030_IRQ_MASK_A, 3, v);
+}
+
+static int da9030_read_events(struct da903x_chip *chip, unsigned int *events)
+{
+ uint8_t v[3] = {0, 0, 0};
+ int ret;
+
+ ret = __da903x_reads(chip->client, DA9030_EVENT_A, 3, v);
+ if (ret < 0)
+ return ret;
+
+ *events = (v[2] << 16) | (v[1] << 8) | v[0];
+ return 0;
+}
+
+static int da9030_read_status(struct da903x_chip *chip, unsigned int *status)
+{
+ return __da903x_read(chip->client, DA9030_STATUS, (uint8_t *)status);
+}
+
+static int da9034_init_chip(struct da903x_chip *chip)
+{
+ uint8_t chip_id;
+ int err;
+
+ err = __da903x_read(chip->client, DA9034_CHIP_ID, &chip_id);
+ if (err)
+ return err;
+
+ err = __da903x_write(chip->client, DA9034_SYS_CTRL_A, 0xE8);
+ if (err)
+ return err;
+
+ /* avoid SRAM power off during sleep*/
+ __da903x_write(chip->client, 0x10, 0x07);
+ __da903x_write(chip->client, 0x11, 0xff);
+ __da903x_write(chip->client, 0x12, 0xff);
+
+ /* Enable the ONKEY power down functionality */
+ __da903x_write(chip->client, DA9034_SYS_CTRL_B, 0x20);
+ __da903x_write(chip->client, DA9034_SYS_CTRL_A, 0x60);
+
+ /* workaround to make LEDs work */
+ __da903x_write(chip->client, 0x90, 0x01);
+ __da903x_write(chip->client, 0xB0, 0x08);
+
+ /* make ADTV1 and SDTV1 effective */
+ __da903x_write(chip->client, 0x20, 0x00);
+
+ dev_info(chip->dev, "DA9034 (CHIP ID: 0x%02x) detected\n", chip_id);
+ return 0;
+}
+
+static int da9034_unmask_events(struct da903x_chip *chip, unsigned int events)
+{
+ uint8_t v[4];
+
+ chip->events_mask &= ~events;
+
+ v[0] = (chip->events_mask & 0xff);
+ v[1] = (chip->events_mask >> 8) & 0xff;
+ v[2] = (chip->events_mask >> 16) & 0xff;
+ v[3] = (chip->events_mask >> 24) & 0xff;
+
+ return __da903x_writes(chip->client, DA9034_IRQ_MASK_A, 4, v);
+}
+
+static int da9034_mask_events(struct da903x_chip *chip, unsigned int events)
+{
+ uint8_t v[4];
+
+ chip->events_mask |= events;
+
+ v[0] = (chip->events_mask & 0xff);
+ v[1] = (chip->events_mask >> 8) & 0xff;
+ v[2] = (chip->events_mask >> 16) & 0xff;
+ v[3] = (chip->events_mask >> 24) & 0xff;
+
+ return __da903x_writes(chip->client, DA9034_IRQ_MASK_A, 4, v);
+}
+
+static int da9034_read_events(struct da903x_chip *chip, unsigned int *events)
+{
+ uint8_t v[4] = {0, 0, 0, 0};
+ int ret;
+
+ ret = __da903x_reads(chip->client, DA9034_EVENT_A, 4, v);
+ if (ret < 0)
+ return ret;
+
+ *events = (v[3] << 24) | (v[2] << 16) | (v[1] << 8) | v[0];
+ return 0;
+}
+
+static int da9034_read_status(struct da903x_chip *chip, unsigned int *status)
+{
+ uint8_t v[2] = {0, 0};
+ int ret = 0;
+
+ ret = __da903x_reads(chip->client, DA9034_STATUS_A, 2, v);
+ if (ret)
+ return ret;
+
+ *status = (v[1] << 8) | v[0];
+ return 0;
+}
+
+static void da903x_irq_work(struct work_struct *work)
+{
+ struct da903x_chip *chip =
+ container_of(work, struct da903x_chip, irq_work);
+ unsigned int events = 0;
+
+ while (1) {
+ if (chip->ops->read_events(chip, &events))
+ break;
+
+ events &= ~chip->events_mask;
+ if (events == 0)
+ break;
+
+ blocking_notifier_call_chain(
+ &chip->notifier_list, events, NULL);
+ }
+ enable_irq(chip->client->irq);
+}
+
+static int da903x_irq_handler(int irq, void *data)
+{
+ struct da903x_chip *chip = data;
+
+ disable_irq_nosync(irq);
+ (void)schedule_work(&chip->irq_work);
+
+ return IRQ_HANDLED;
+}
+
+static struct da903x_chip_ops da903x_ops[] = {
+ [0] = {
+ .init_chip = da9030_init_chip,
+ .unmask_events = da9030_unmask_events,
+ .mask_events = da9030_mask_events,
+ .read_events = da9030_read_events,
+ .read_status = da9030_read_status,
+ },
+ [1] = {
+ .init_chip = da9034_init_chip,
+ .unmask_events = da9034_unmask_events,
+ .mask_events = da9034_mask_events,
+ .read_events = da9034_read_events,
+ .read_status = da9034_read_status,
+ }
+};
+
+static const struct i2c_device_id da903x_id_table[] = {
+ { "da9030", 0 },
+ { "da9034", 1 },
+ { },
+};
+MODULE_DEVICE_TABLE(i2c, da903x_id_table);
+
+static int __devexit __remove_subdev(struct device *dev, void *unused)
+{
+ platform_device_unregister(to_platform_device(dev));
+ return 0;
+}
+
+static int __devexit da903x_remove_subdevs(struct da903x_chip *chip)
+{
+ return device_for_each_child(chip->dev, NULL, __remove_subdev);
+}
+
+static int __devinit da903x_add_subdevs(struct da903x_chip *chip,
+ struct da903x_platform_data *pdata)
+{
+ struct da903x_subdev_info *subdev;
+ struct platform_device *pdev;
+ int i, ret = 0;
+
+ for (i = 0; i < pdata->num_subdevs; i++) {
+ subdev = &pdata->subdevs[i];
+
+ pdev = platform_device_alloc(subdev->name, subdev->id);
+
+ pdev->dev.parent = chip->dev;
+ pdev->dev.platform_data = subdev->platform_data;
+
+ ret = platform_device_add(pdev);
+ if (ret)
+ goto failed;
+ }
+ return 0;
+
+failed:
+ da903x_remove_subdevs(chip);
+ return ret;
+}
+
+static int __devinit da903x_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct da903x_platform_data *pdata = client->dev.platform_data;
+ struct da903x_chip *chip;
+ unsigned int tmp;
+ int ret;
+
+ chip = kzalloc(sizeof(struct da903x_chip), GFP_KERNEL);
+ if (chip == NULL)
+ return -ENOMEM;
+
+ chip->client = client;
+ chip->dev = &client->dev;
+ chip->ops = &da903x_ops[id->driver_data];
+
+ mutex_init(&chip->lock);
+ INIT_WORK(&chip->irq_work, da903x_irq_work);
+ BLOCKING_INIT_NOTIFIER_HEAD(&chip->notifier_list);
+
+ i2c_set_clientdata(client, chip);
+
+ ret = chip->ops->init_chip(chip);
+ if (ret)
+ goto out_free_chip;
+
+ /* mask and clear all IRQs */
+ chip->events_mask = 0xffffffff;
+ chip->ops->mask_events(chip, chip->events_mask);
+ chip->ops->read_events(chip, &tmp);
+
+ ret = request_irq(client->irq, da903x_irq_handler,
+ IRQF_DISABLED | IRQF_TRIGGER_FALLING,
+ "da903x", chip);
+ if (ret) {
+ dev_err(&client->dev, "failed to request irq %d\n",
+ client->irq);
+ goto out_free_chip;
+ }
+
+ ret = da903x_add_subdevs(chip, pdata);
+ if (ret)
+ goto out_free_irq;
+
+ return 0;
+
+out_free_irq:
+ free_irq(client->irq, chip);
+out_free_chip:
+ i2c_set_clientdata(client, NULL);
+ kfree(chip);
+ return ret;
+}
+
+static int __devexit da903x_remove(struct i2c_client *client)
+{
+ struct da903x_chip *chip = i2c_get_clientdata(client);
+
+ da903x_remove_subdevs(chip);
+ kfree(chip);
+ return 0;
+}
+
+static struct i2c_driver da903x_driver = {
+ .driver = {
+ .name = "da903x",
+ .owner = THIS_MODULE,
+ },
+ .probe = da903x_probe,
+ .remove = __devexit_p(da903x_remove),
+ .id_table = da903x_id_table,
+};
+
+static int __init da903x_init(void)
+{
+ return i2c_add_driver(&da903x_driver);
+}
+module_init(da903x_init);
+
+static void __exit da903x_exit(void)
+{
+ i2c_del_driver(&da903x_driver);
+}
+module_exit(da903x_exit);
+
+MODULE_DESCRIPTION("PMIC Driver for Dialog Semiconductor DA9034");
+MODULE_AUTHOR("Eric Miao <eric.miao@marvell.com>"
+ "Mike Rapoport <mike@compulab.co.il>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/mfd/htc-egpio.c b/drivers/mfd/htc-egpio.c
index 6be43172dc6..50dff6e0088 100644
--- a/drivers/mfd/htc-egpio.c
+++ b/drivers/mfd/htc-egpio.c
@@ -289,7 +289,7 @@ static int __init egpio_probe(struct platform_device *pdev)
ei->base_addr = ioremap_nocache(res->start, res->end - res->start);
if (!ei->base_addr)
goto fail;
- pr_debug("EGPIO phys=%08x virt=%p\n", res->start, ei->base_addr);
+ pr_debug("EGPIO phys=%08x virt=%p\n", (u32)res->start, ei->base_addr);
if ((pdata->bus_width != 16) && (pdata->bus_width != 32))
goto fail;
diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c
index 9c9c126ed33..6c0d1bec4b7 100644
--- a/drivers/mfd/mfd-core.c
+++ b/drivers/mfd/mfd-core.c
@@ -20,7 +20,7 @@ static int mfd_add_device(struct device *parent, int id,
struct resource *mem_base,
int irq_base)
{
- struct resource res[cell->num_resources];
+ struct resource *res;
struct platform_device *pdev;
int ret = -ENOMEM;
int r;
@@ -29,14 +29,17 @@ static int mfd_add_device(struct device *parent, int id,
if (!pdev)
goto fail_alloc;
+ res = kzalloc(sizeof(*res) * cell->num_resources, GFP_KERNEL);
+ if (!res)
+ goto fail_device;
+
pdev->dev.parent = parent;
ret = platform_device_add_data(pdev,
cell->platform_data, cell->data_size);
if (ret)
- goto fail_device;
+ goto fail_res;
- memset(res, 0, sizeof(res));
for (r = 0; r < cell->num_resources; r++) {
res[r].name = cell->resources[r].name;
res[r].flags = cell->resources[r].flags;
@@ -64,11 +67,15 @@ static int mfd_add_device(struct device *parent, int id,
ret = platform_device_add(pdev);
if (ret)
- goto fail_device;
+ goto fail_res;
+
+ kfree(res);
return 0;
/* platform_device_del(pdev); */
+fail_res:
+ kfree(res);
fail_device:
platform_device_put(pdev);
fail_alloc:
diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c
index 7aebad4c06f..220e4371266 100644
--- a/drivers/mfd/sm501.c
+++ b/drivers/mfd/sm501.c
@@ -623,8 +623,8 @@ unsigned long sm501_set_clock(struct device *dev,
sm501_sync_regs(sm);
- dev_info(sm->dev, "gate %08lx, clock %08lx, mode %08lx\n",
- gate, clock, mode);
+ dev_dbg(sm->dev, "gate %08lx, clock %08lx, mode %08lx\n",
+ gate, clock, mode);
sm501_mdelay(sm, 16);
mutex_unlock(&sm->clock_lock);
@@ -742,7 +742,7 @@ static int sm501_register_device(struct sm501_devdata *sm,
int ret;
for (ptr = 0; ptr < pdev->num_resources; ptr++) {
- printk("%s[%d] flags %08lx: %08llx..%08llx\n",
+ printk(KERN_DEBUG "%s[%d] flags %08lx: %08llx..%08llx\n",
pdev->name, ptr,
pdev->resource[ptr].flags,
(unsigned long long)pdev->resource[ptr].start,
diff --git a/drivers/mfd/t7l66xb.c b/drivers/mfd/t7l66xb.c
index 49a0fffc02a..9f7024c0f8e 100644
--- a/drivers/mfd/t7l66xb.c
+++ b/drivers/mfd/t7l66xb.c
@@ -24,8 +24,10 @@
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/err.h>
#include <linux/io.h>
#include <linux/irq.h>
+#include <linux/clk.h>
#include <linux/platform_device.h>
#include <linux/mfd/core.h>
#include <linux/mfd/tmio.h>
@@ -56,6 +58,8 @@ struct t7l66xb {
spinlock_t lock;
struct resource rscr;
+ struct clk *clk48m;
+ struct clk *clk32k;
int irq;
int irq_base;
};
@@ -65,13 +69,11 @@ struct t7l66xb {
static int t7l66xb_mmc_enable(struct platform_device *mmc)
{
struct platform_device *dev = to_platform_device(mmc->dev.parent);
- struct t7l66xb_platform_data *pdata = dev->dev.platform_data;
struct t7l66xb *t7l66xb = platform_get_drvdata(dev);
unsigned long flags;
u8 dev_ctl;
- if (pdata->enable_clk32k)
- pdata->enable_clk32k(dev);
+ clk_enable(t7l66xb->clk32k);
spin_lock_irqsave(&t7l66xb->lock, flags);
@@ -87,7 +89,6 @@ static int t7l66xb_mmc_enable(struct platform_device *mmc)
static int t7l66xb_mmc_disable(struct platform_device *mmc)
{
struct platform_device *dev = to_platform_device(mmc->dev.parent);
- struct t7l66xb_platform_data *pdata = dev->dev.platform_data;
struct t7l66xb *t7l66xb = platform_get_drvdata(dev);
unsigned long flags;
u8 dev_ctl;
@@ -100,8 +101,7 @@ static int t7l66xb_mmc_disable(struct platform_device *mmc)
spin_unlock_irqrestore(&t7l66xb->lock, flags);
- if (pdata->disable_clk32k)
- pdata->disable_clk32k(dev);
+ clk_disable(t7l66xb->clk32k);
return 0;
}
@@ -258,18 +258,22 @@ static void t7l66xb_detach_irq(struct platform_device *dev)
#ifdef CONFIG_PM
static int t7l66xb_suspend(struct platform_device *dev, pm_message_t state)
{
+ struct t7l66xb *t7l66xb = platform_get_drvdata(dev);
struct t7l66xb_platform_data *pdata = dev->dev.platform_data;
if (pdata && pdata->suspend)
pdata->suspend(dev);
+ clk_disable(t7l66xb->clk48m);
return 0;
}
static int t7l66xb_resume(struct platform_device *dev)
{
+ struct t7l66xb *t7l66xb = platform_get_drvdata(dev);
struct t7l66xb_platform_data *pdata = dev->dev.platform_data;
+ clk_enable(t7l66xb->clk48m);
if (pdata && pdata->resume)
pdata->resume(dev);
@@ -309,6 +313,19 @@ static int t7l66xb_probe(struct platform_device *dev)
t7l66xb->irq_base = pdata->irq_base;
+ t7l66xb->clk32k = clk_get(&dev->dev, "CLK_CK32K");
+ if (IS_ERR(t7l66xb->clk32k)) {
+ ret = PTR_ERR(t7l66xb->clk32k);
+ goto err_clk32k_get;
+ }
+
+ t7l66xb->clk48m = clk_get(&dev->dev, "CLK_CK48M");
+ if (IS_ERR(t7l66xb->clk48m)) {
+ ret = PTR_ERR(t7l66xb->clk48m);
+ clk_put(t7l66xb->clk32k);
+ goto err_clk48m_get;
+ }
+
rscr = &t7l66xb->rscr;
rscr->name = "t7l66xb-core";
rscr->start = iomem->start;
@@ -325,6 +342,8 @@ static int t7l66xb_probe(struct platform_device *dev)
goto err_ioremap;
}
+ clk_enable(t7l66xb->clk48m);
+
if (pdata && pdata->enable)
pdata->enable(dev);
@@ -359,9 +378,13 @@ static int t7l66xb_probe(struct platform_device *dev)
iounmap(t7l66xb->scr);
err_ioremap:
release_resource(&t7l66xb->rscr);
-err_noirq:
err_request_scr:
kfree(t7l66xb);
+ clk_put(t7l66xb->clk48m);
+err_clk48m_get:
+ clk_put(t7l66xb->clk32k);
+err_clk32k_get:
+err_noirq:
return ret;
}
@@ -372,7 +395,8 @@ static int t7l66xb_remove(struct platform_device *dev)
int ret;
ret = pdata->disable(dev);
-
+ clk_disable(t7l66xb->clk48m);
+ clk_put(t7l66xb->clk48m);
t7l66xb_detach_irq(dev);
iounmap(t7l66xb->scr);
release_resource(&t7l66xb->rscr);
diff --git a/drivers/mfd/tc6387xb.c b/drivers/mfd/tc6387xb.c
index a22b21ac6cf..43222c12fec 100644
--- a/drivers/mfd/tc6387xb.c
+++ b/drivers/mfd/tc6387xb.c
@@ -12,6 +12,7 @@
#include <linux/module.h>
#include <linux/platform_device.h>
+#include <linux/clk.h>
#include <linux/err.h>
#include <linux/mfd/core.h>
#include <linux/mfd/tmio.h>
@@ -24,18 +25,22 @@ enum {
#ifdef CONFIG_PM
static int tc6387xb_suspend(struct platform_device *dev, pm_message_t state)
{
- struct tc6387xb_platform_data *pdata = platform_get_drvdata(dev);
+ struct clk *clk32k = platform_get_drvdata(dev);
+ struct tc6387xb_platform_data *pdata = dev->dev.platform_data;
if (pdata && pdata->suspend)
pdata->suspend(dev);
+ clk_disable(clk32k);
return 0;
}
static int tc6387xb_resume(struct platform_device *dev)
{
- struct tc6387xb_platform_data *pdata = platform_get_drvdata(dev);
+ struct clk *clk32k = platform_get_drvdata(dev);
+ struct tc6387xb_platform_data *pdata = dev->dev.platform_data;
+ clk_enable(clk32k);
if (pdata && pdata->resume)
pdata->resume(dev);
@@ -51,10 +56,9 @@ static int tc6387xb_resume(struct platform_device *dev)
static int tc6387xb_mmc_enable(struct platform_device *mmc)
{
struct platform_device *dev = to_platform_device(mmc->dev.parent);
- struct tc6387xb_platform_data *tc6387xb = dev->dev.platform_data;
+ struct clk *clk32k = platform_get_drvdata(dev);
- if (tc6387xb->enable_clk32k)
- tc6387xb->enable_clk32k(dev);
+ clk_enable(clk32k);
return 0;
}
@@ -62,10 +66,9 @@ static int tc6387xb_mmc_enable(struct platform_device *mmc)
static int tc6387xb_mmc_disable(struct platform_device *mmc)
{
struct platform_device *dev = to_platform_device(mmc->dev.parent);
- struct tc6387xb_platform_data *tc6387xb = dev->dev.platform_data;
+ struct clk *clk32k = platform_get_drvdata(dev);
- if (tc6387xb->disable_clk32k)
- tc6387xb->disable_clk32k(dev);
+ c