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Commit 3da3f872 authored by Linus Torvalds's avatar Linus Torvalds
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Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6 

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (46 commits)
  mfd: Fix mismatch in twl4030 mutex lock-unlock
  mfd: twl6030-pwm.c needs MODULE_LICENSE
  mfd: Fix the omap-usb-host clock API usage on usbhs_disable()
  mfd: Acknowledge WM8994 IRQs before reporting
  mfd: Acknowlege all WM831x IRQs before we handle them
  mfd: Avoid two assignments if failures happen in tps65910_i2c_probe
  regulator: Storing tps65912 error codes in u8
  mfd: Don't leak init_data in tps65910_i2c_probe
  regulator: aat2870: Add AAT2870 regulator driver
  backlight: Add AAT2870 backlight driver
  mfd: Add AAT2870 mfd driver
  mfd: Remove dead code from max8997-irq
  mfd: Move TPS55910 Kconfig option
  mfd: Fix missing stmpe kerneldoc
  mfd: Fix off-by-one value range checking for tps65912_i2c_write
  mfd: Add devices for WM831x clocking module
  mfd: Remove comp{1,2}_threshold sysfs entries in tps65911_comparator_remove
  mfd: Don't ask about the TPS65912 core driver in Kconfig
  mfd: Fix off by one in WM831x IRQ code
  mfd: Add tps65921 support from twl-core
  ...
parents 968e75fc e178ccb3
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drivers/gpio/Kconfig
View file @ 3da3f872
......@@ -280,6 +280,12 @@ config GPIO_TC3589X
This enables support for the GPIOs found on the TC3589X
I/O Expander.
config GPIO_TPS65912
tristate "TI TPS65912 GPIO"
depends on (MFD_TPS65912_I2C || MFD_TPS65912_SPI)
help
This driver supports TPS65912 gpio chip
config GPIO_TWL4030
tristate "TWL4030, TWL5030, and TPS659x0 GPIOs"
depends on TWL4030_CORE
......
drivers/gpio/Makefile
View file @ 3da3f872
......@@ -48,6 +48,7 @@ obj-$(CONFIG_GPIO_TC3589X) += gpio-tc3589x.o
obj-$(CONFIG_ARCH_TEGRA) += gpio-tegra.o
obj-$(CONFIG_GPIO_TIMBERDALE) += gpio-timberdale.o
obj-$(CONFIG_GPIO_TPS65910) += gpio-tps65910.o
obj-$(CONFIG_GPIO_TPS65912) += gpio-tps65912.o
obj-$(CONFIG_GPIO_TWL4030) += gpio-twl4030.o
obj-$(CONFIG_MACH_U300) += gpio-u300.o
obj-$(CONFIG_GPIO_UCB1400) += gpio-ucb1400.o
......
drivers/gpio/gpio-tps65912.c 0 → 100644
View file @ 3da3f872
/*
* Copyright 2011 Texas Instruments Inc.
*
* Author: Margarita Olaya <magi@slimlogic.co.uk>
*
* 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.
*
* This driver is based on wm8350 implementation.
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/gpio.h>
#include <linux/mfd/core.h>
#include <linux/platform_device.h>
#include <linux/seq_file.h>
#include <linux/slab.h>
#include <linux/mfd/tps65912.h>
struct tps65912_gpio_data {
struct tps65912 *tps65912;
struct gpio_chip gpio_chip;
};
static int tps65912_gpio_get(struct gpio_chip *gc, unsigned offset)
{
struct tps65912 *tps65912 = container_of(gc, struct tps65912, gpio);
int val;
val = tps65912_reg_read(tps65912, TPS65912_GPIO1 + offset);
if (val & GPIO_STS_MASK)
return 1;
return 0;
}
static void tps65912_gpio_set(struct gpio_chip *gc, unsigned offset,
int value)
{
struct tps65912 *tps65912 = container_of(gc, struct tps65912, gpio);
if (value)
tps65912_set_bits(tps65912, TPS65912_GPIO1 + offset,
GPIO_SET_MASK);
else
tps65912_clear_bits(tps65912, TPS65912_GPIO1 + offset,
GPIO_SET_MASK);
}
static int tps65912_gpio_output(struct gpio_chip *gc, unsigned offset,
int value)
{
struct tps65912 *tps65912 = container_of(gc, struct tps65912, gpio);
/* Set the initial value */
tps65912_gpio_set(gc, offset, value);
return tps65912_set_bits(tps65912, TPS65912_GPIO1 + offset,
GPIO_CFG_MASK);
}
static int tps65912_gpio_input(struct gpio_chip *gc, unsigned offset)
{
struct tps65912 *tps65912 = container_of(gc, struct tps65912, gpio);
return tps65912_clear_bits(tps65912, TPS65912_GPIO1 + offset,
GPIO_CFG_MASK);
}
static struct gpio_chip template_chip = {
.label = "tps65912",
.owner = THIS_MODULE,
.direction_input = tps65912_gpio_input,
.direction_output = tps65912_gpio_output,
.get = tps65912_gpio_get,
.set = tps65912_gpio_set,
.can_sleep = 1,
.ngpio = 5,
.base = -1,
};
static int __devinit tps65912_gpio_probe(struct platform_device *pdev)
{
struct tps65912 *tps65912 = dev_get_drvdata(pdev->dev.parent);
struct tps65912_board *pdata = tps65912->dev->platform_data;
struct tps65912_gpio_data *tps65912_gpio;
int ret;
tps65912_gpio = kzalloc(sizeof(*tps65912_gpio), GFP_KERNEL);
if (tps65912_gpio == NULL)
return -ENOMEM;
tps65912_gpio->tps65912 = tps65912;
tps65912_gpio->gpio_chip = template_chip;
tps65912_gpio->gpio_chip.dev = &pdev->dev;
if (pdata && pdata->gpio_base)
tps65912_gpio->gpio_chip.base = pdata->gpio_base;
ret = gpiochip_add(&tps65912_gpio->gpio_chip);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to register gpiochip, %d\n", ret);
goto err;
}
platform_set_drvdata(pdev, tps65912_gpio);
return ret;
err:
kfree(tps65912_gpio);
return ret;
}
static int __devexit tps65912_gpio_remove(struct platform_device *pdev)
{
struct tps65912_gpio_data *tps65912_gpio = platform_get_drvdata(pdev);
int ret;
ret = gpiochip_remove(&tps65912_gpio->gpio_chip);
if (ret == 0)
kfree(tps65912_gpio);
return ret;
}
static struct platform_driver tps65912_gpio_driver = {
.driver = {
.name = "tps65912-gpio",
.owner = THIS_MODULE,
},
.probe = tps65912_gpio_probe,
.remove = __devexit_p(tps65912_gpio_remove),
};
static int __init tps65912_gpio_init(void)
{
return platform_driver_register(&tps65912_gpio_driver);
}
subsys_initcall(tps65912_gpio_init);
static void __exit tps65912_gpio_exit(void)
{
platform_driver_unregister(&tps65912_gpio_driver);
}
module_exit(tps65912_gpio_exit);
MODULE_AUTHOR("Margarita Olaya Cabrera <magi@slimlogic.co.uk>");
MODULE_DESCRIPTION("GPIO interface for TPS65912 PMICs");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:tps65912-gpio");
drivers/mfd/Kconfig
View file @ 3da3f872
......@@ -171,6 +171,37 @@ config MFD_TPS6586X
This driver can also be built as a module. If so, the module
will be called tps6586x.
config MFD_TPS65910
bool "TPS65910 Power Management chip"
depends on I2C=y && GPIOLIB
select MFD_CORE
select GPIO_TPS65910
help
if you say yes here you get support for the TPS65910 series of
Power Management chips.
config MFD_TPS65912
bool
depends on GPIOLIB
config MFD_TPS65912_I2C
bool "TPS95612 Power Management chip with I2C"
select MFD_CORE
select MFD_TPS65912
depends on I2C=y && GPIOLIB
help
If you say yes here you get support for the TPS65912 series of
PM chips with I2C interface.
config MFD_TPS65912_SPI
bool "TPS65912 Power Management chip with SPI"
select MFD_CORE
select MFD_TPS65912
depends on SPI_MASTER && GPIOLIB
help
If you say yes here you get support for the TPS65912 series of
PM chips with SPI interface.
config MENELAUS
bool "Texas Instruments TWL92330/Menelaus PM chip"
depends on I2C=y && ARCH_OMAP2
......@@ -662,8 +693,9 @@ config MFD_JANZ_CMODIO
CAN and GPIO controllers.
config MFD_JZ4740_ADC
tristate "Support for the JZ4740 SoC ADC core"
bool "Support for the JZ4740 SoC ADC core"
select MFD_CORE
select GENERIC_IRQ_CHIP
depends on MACH_JZ4740
help
Say yes here if you want support for the ADC unit in the JZ4740 SoC.
......@@ -725,18 +757,19 @@ config MFD_PM8XXX_IRQ
This is required to use certain other PM 8xxx features, such as GPIO
and MPP.
config MFD_TPS65910
bool "TPS65910 Power Management chip"
depends on I2C=y && GPIOLIB
select MFD_CORE
select GPIO_TPS65910
help
if you say yes here you get support for the TPS65910 series of
Power Management chips.
config TPS65911_COMPARATOR
tristate
config MFD_AAT2870_CORE
bool "Support for the AnalogicTech AAT2870"
select MFD_CORE
depends on I2C=y && GPIOLIB
help
If you say yes here you get support for the AAT2870.
This driver provides common support for accessing the device,
additional drivers must be enabled in order to use the
functionality of the device.
endif # MFD_SUPPORT
menu "Multimedia Capabilities Port drivers"
......
drivers/mfd/Makefile
View file @ 3da3f872
......@@ -23,6 +23,7 @@ obj-$(CONFIG_MFD_TC6393XB) += tc6393xb.o tmio_core.o
obj-$(CONFIG_MFD_WM8400) += wm8400-core.o
wm831x-objs := wm831x-core.o wm831x-irq.o wm831x-otp.o
wm831x-objs += wm831x-auxadc.o
obj-$(CONFIG_MFD_WM831X) += wm831x.o
obj-$(CONFIG_MFD_WM831X_I2C) += wm831x-i2c.o
obj-$(CONFIG_MFD_WM831X_SPI) += wm831x-spi.o
......@@ -35,6 +36,11 @@ obj-$(CONFIG_MFD_WM8994) += wm8994-core.o wm8994-irq.o
obj-$(CONFIG_TPS6105X) += tps6105x.o
obj-$(CONFIG_TPS65010) += tps65010.o
obj-$(CONFIG_TPS6507X) += tps6507x.o
obj-$(CONFIG_MFD_TPS65910) += tps65910.o tps65910-irq.o
tps65912-objs := tps65912-core.o tps65912-irq.o
obj-$(CONFIG_MFD_TPS65912) += tps65912.o
obj-$(CONFIG_MFD_TPS65912_I2C) += tps65912-i2c.o
obj-$(CONFIG_MFD_TPS65912_SPI) += tps65912-spi.o
obj-$(CONFIG_MENELAUS) += menelaus.o
obj-$(CONFIG_TWL4030_CORE) += twl-core.o twl4030-irq.o twl6030-irq.o
......@@ -94,5 +100,5 @@ obj-$(CONFIG_MFD_CS5535) += cs5535-mfd.o
obj-$(CONFIG_MFD_OMAP_USB_HOST) += omap-usb-host.o
obj-$(CONFIG_MFD_PM8921_CORE) += pm8921-core.o
obj-$(CONFIG_MFD_PM8XXX_IRQ) += pm8xxx-irq.o
obj-$(CONFIG_MFD_TPS65910) += tps65910.o tps65910-irq.o
obj-$(CONFIG_TPS65911_COMPARATOR) += tps65911-comparator.o
obj-$(CONFIG_MFD_AAT2870_CORE) += aat2870-core.o
drivers/mfd/aat2870-core.c 0 → 100644
View file @ 3da3f872
This diff is collapsed.
drivers/mfd/ab3550-core.c
View file @ 3da3f872
......@@ -879,20 +879,13 @@ static ssize_t ab3550_bank_write(struct file *file,
size_t count, loff_t *ppos)
{
struct ab3550 *ab = ((struct seq_file *)(file->private_data))->private;
char buf[32];
int buf_size;
unsigned long user_bank;
int err;
/* Get userspace string and assure termination */
buf_size = min(count, (sizeof(buf) - 1));
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
buf[buf_size] = 0;
err = strict_strtoul(buf, 0, &user_bank);
err = kstrtoul_from_user(user_buf, count, 0, &user_bank);
if (err)
return -EINVAL;
return err;
if (user_bank >= AB3550_NUM_BANKS) {
dev_err(&ab->i2c_client[0]->dev,
......@@ -902,7 +895,7 @@ static ssize_t ab3550_bank_write(struct file *file,
ab->debug_bank = user_bank;
return buf_size;
return count;
}
static int ab3550_address_print(struct seq_file *s, void *p)
......@@ -923,27 +916,21 @@ static ssize_t ab3550_address_write(struct file *file,
size_t count, loff_t *ppos)
{
struct ab3550 *ab = ((struct seq_file *)(file->private_data))->private;
char buf[32];
int buf_size;
unsigned long user_address;
int err;
/* Get userspace string and assure termination */
buf_size = min(count, (sizeof(buf) - 1));
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
buf[buf_size] = 0;
err = strict_strtoul(buf, 0, &user_address);
err = kstrtoul_from_user(user_buf, count, 0, &user_address);
if (err)
return -EINVAL;
return err;
if (user_address > 0xff) {
dev_err(&ab->i2c_client[0]->dev,
"debugfs error input > 0xff\n");
return -EINVAL;
}
ab->debug_address = user_address;
return buf_size;
return count;
}
static int ab3550_val_print(struct seq_file *s, void *p)
......@@ -971,21 +958,15 @@ static ssize_t ab3550_val_write(struct file *file,
size_t count, loff_t *ppos)
{
struct ab3550 *ab = ((struct seq_file *)(file->private_data))->private;
char buf[32];
int buf_size;
unsigned long user_val;
int err;
u8 regvalue;
/* Get userspace string and assure termination */
buf_size = min(count, (sizeof(buf)-1));
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
buf[buf_size] = 0;
err = strict_strtoul(buf, 0, &user_val);
err = kstrtoul_from_user(user_buf, count, 0, &user_val);
if (err)
return -EINVAL;
return err;
if (user_val > 0xff) {
dev_err(&ab->i2c_client[0]->dev,
"debugfs error input > 0xff\n");
......@@ -1002,7 +983,7 @@ static ssize_t ab3550_val_write(struct file *file,
if (err)
return -EINVAL;
return buf_size;
return count;
}
static const struct file_operations ab3550_bank_fops = {
......
drivers/mfd/ab8500-core.c
View file @ 3da3f872
......@@ -363,7 +363,7 @@ static void ab8500_irq_remove(struct ab8500 *ab8500)
}
}
static struct resource ab8500_gpio_resources[] = {
static struct resource __devinitdata ab8500_gpio_resources[] = {
{
.name = "GPIO_INT6",
.start = AB8500_INT_GPIO6R,
......@@ -372,7 +372,7 @@ static struct resource ab8500_gpio_resources[] = {
}
};
static struct resource ab8500_gpadc_resources[] = {
static struct resource __devinitdata ab8500_gpadc_resources[] = {
{
.name = "HW_CONV_END",
.start = AB8500_INT_GP_HW_ADC_CONV_END,
......@@ -387,7 +387,7 @@ static struct resource ab8500_gpadc_resources[] = {
},
};
static struct resource ab8500_rtc_resources[] = {
static struct resource __devinitdata ab8500_rtc_resources[] = {
{
.name = "60S",
.start = AB8500_INT_RTC_60S,
......@@ -402,7 +402,7 @@ static struct resource ab8500_rtc_resources[] = {
},
};
static struct resource ab8500_poweronkey_db_resources[] = {
static struct resource __devinitdata ab8500_poweronkey_db_resources[] = {
{
.name = "ONKEY_DBF",
.start = AB8500_INT_PON_KEY1DB_F,
......@@ -417,19 +417,46 @@ static struct resource ab8500_poweronkey_db_resources[] = {
},
};
static struct resource ab8500_bm_resources[] = {
static struct resource __devinitdata ab8500_av_acc_detect_resources[] = {
{
.name = "MAIN_EXT_CH_NOT_OK",
.start = AB8500_INT_MAIN_EXT_CH_NOT_OK,
.end = AB8500_INT_MAIN_EXT_CH_NOT_OK,
.flags = IORESOURCE_IRQ,
.name = "ACC_DETECT_1DB_F",
.start = AB8500_INT_ACC_DETECT_1DB_F,
.end = AB8500_INT_ACC_DETECT_1DB_F,
.flags = IORESOURCE_IRQ,
},
{
.name = "BATT_OVV",
.start = AB8500_INT_BATT_OVV,
.end = AB8500_INT_BATT_OVV,
.flags = IORESOURCE_IRQ,
.name = "ACC_DETECT_1DB_R",
.start = AB8500_INT_ACC_DETECT_1DB_R,
.end = AB8500_INT_ACC_DETECT_1DB_R,
.flags = IORESOURCE_IRQ,
},
{
.name = "ACC_DETECT_21DB_F",
.start = AB8500_INT_ACC_DETECT_21DB_F,
.end = AB8500_INT_ACC_DETECT_21DB_F,
.flags = IORESOURCE_IRQ,
},
{
.name = "ACC_DETECT_21DB_R",
.start = AB8500_INT_ACC_DETECT_21DB_R,
.end = AB8500_INT_ACC_DETECT_21DB_R,
.flags = IORESOURCE_IRQ,
},
{
.name = "ACC_DETECT_22DB_F",
.start = AB8500_INT_ACC_DETECT_22DB_F,
.end = AB8500_INT_ACC_DETECT_22DB_F,
.flags = IORESOURCE_IRQ,
},
{
.name = "ACC_DETECT_22DB_R",
.start = AB8500_INT_ACC_DETECT_22DB_R,
.end = AB8500_INT_ACC_DETECT_22DB_R,
.flags = IORESOURCE_IRQ,
},
};
static struct resource __devinitdata ab8500_charger_resources[] = {
{
.name = "MAIN_CH_UNPLUG_DET",
.start = AB8500_INT_MAIN_CH_UNPLUG_DET,
......@@ -442,12 +469,6 @@ static struct resource ab8500_bm_resources[] = {
.end = AB8500_INT_MAIN_CH_PLUG_DET,
.flags = IORESOURCE_IRQ,
},
{
.name = "VBUS_DET_F",
.start = AB8500_INT_VBUS_DET_F,
.end = AB8500_INT_VBUS_DET_F,
.flags = IORESOURCE_IRQ,
},
{
.name = "VBUS_DET_R",
.start = AB8500_INT_VBUS_DET_R,
......@@ -455,15 +476,21 @@ static struct resource ab8500_bm_resources[] = {
.flags = IORESOURCE_IRQ,
},
{
.name = "BAT_CTRL_INDB",
.start = AB8500_INT_BAT_CTRL_INDB,
.end = AB8500_INT_BAT_CTRL_INDB,
.name = "VBUS_DET_F",
.start = AB8500_INT_VBUS_DET_F,
.end = AB8500_INT_VBUS_DET_F,
.flags = IORESOURCE_IRQ,
},
{
.name = "CH_WD_EXP",
.start = AB8500_INT_CH_WD_EXP,
.end = AB8500_INT_CH_WD_EXP,
.name = "USB_LINK_STATUS",
.start = AB8500_INT_USB_LINK_STATUS,
.end = AB8500_INT_USB_LINK_STATUS,
.flags = IORESOURCE_IRQ,
},
{
.name = "USB_CHARGE_DET_DONE",
.start = AB8500_INT_USB_CHG_DET_DONE,
.end = AB8500_INT_USB_CHG_DET_DONE,
.flags = IORESOURCE_IRQ,
},
{
......@@ -473,21 +500,60 @@ static struct resource ab8500_bm_resources[] = {
.flags = IORESOURCE_IRQ,
},
{
.name = "NCONV_ACCU",
.start = AB8500_INT_CCN_CONV_ACC,
.end = AB8500_INT_CCN_CONV_ACC,
.name = "USB_CH_TH_PROT_R",
.start = AB8500_INT_USB_CH_TH_PROT_R,
.end = AB8500_INT_USB_CH_TH_PROT_R,
.flags = IORESOURCE_IRQ,
},
{
.name = "LOW_BAT_F",
.start = AB8500_INT_LOW_BAT_F,
.end = AB8500_INT_LOW_BAT_F,
.name = "USB_CH_TH_PROT_F",
.start = AB8500_INT_USB_CH_TH_PROT_F,
.end = AB8500_INT_USB_CH_TH_PROT_F,
.flags = IORESOURCE_IRQ,
},
{
.name = "LOW_BAT_R",
.start = AB8500_INT_LOW_BAT_R,
.end = AB8500_INT_LOW_BAT_R,
.name = "MAIN_EXT_CH_NOT_OK",
.start = AB8500_INT_MAIN_EXT_CH_NOT_OK,
.end = AB8500_INT_MAIN_EXT_CH_NOT_OK,
.flags = IORESOURCE_IRQ,
},
{
.name = "MAIN_CH_TH_PROT_R",
.start = AB8500_INT_MAIN_CH_TH_PROT_R,
.end = AB8500_INT_MAIN_CH_TH_PROT_R,
.flags = IORESOURCE_IRQ,
},
{
.name = "MAIN_CH_TH_PROT_F",
.start = AB8500_INT_MAIN_CH_TH_PROT_F,
.end = AB8500_INT_MAIN_CH_TH_PROT_F,
.flags = IORESOURCE_IRQ,
},
{
.name = "USB_CHARGER_NOT_OKR",
.start = AB8500_INT_USB_CHARGER_NOT_OK,
.end = AB8500_INT_USB_CHARGER_NOT_OK,
.flags = IORESOURCE_IRQ,
},
{
.name = "USB_CHARGER_NOT_OKF",
.start = AB8500_INT_USB_CHARGER_NOT_OKF,
.end = AB8500_INT_USB_CHARGER_NOT_OKF,
.flags = IORESOURCE_IRQ,
},
{
.name = "CH_WD_EXP",
.start = AB8500_INT_CH_WD_EXP,
.end = AB8500_INT_CH_WD_EXP,
.flags = IORESOURCE_IRQ,
},
};
static struct resource __devinitdata ab8500_btemp_resources[] = {
{
.name = "BAT_CTRL_INDB",
.start = AB8500_INT_BAT_CTRL_INDB,
.end = AB8500_INT_BAT_CTRL_INDB,
.flags = IORESOURCE_IRQ,
},
{
......@@ -503,38 +569,55 @@ static struct resource ab8500_bm_resources[] = {
.flags = IORESOURCE_IRQ,
},
{
.name = "USB_CHARGER_NOT_OKR",
.start = AB8500_INT_USB_CHARGER_NOT_OK,
.end = AB8500_INT_USB_CHARGER_NOT_OK,
.name = "BTEMP_LOW_MEDIUM",
.start = AB8500_INT_BTEMP_LOW_MEDIUM,
.end = AB8500_INT_BTEMP_LOW_MEDIUM,
.flags = IORESOURCE_IRQ,
},
{
.name = "USB_CHARGE_DET_DONE",
.start = AB8500_INT_USB_CHG_DET_DONE,
.end = AB8500_INT_USB_CHG_DET_DONE,
.name = "BTEMP_MEDIUM_HIGH",
.start = AB8500_INT_BTEMP_MEDIUM_HIGH,
.end = AB8500_INT_BTEMP_MEDIUM_HIGH,
.flags = IORESOURCE_IRQ,
},
};
static struct resource __devinitdata ab8500_fg_resources[] = {
{
.name = "USB_CH_TH_PROT_R",
.start = AB8500_INT_USB_CH_TH_PROT_R,
.end = AB8500_INT_USB_CH_TH_PROT_R,
.name = "NCONV_ACCU",
.start = AB8500_INT_CCN_CONV_ACC,
.end = AB8500_INT_CCN_CONV_ACC,
.flags = IORESOURCE_IRQ,
},
{
.name = "MAIN_CH_TH_PROT_R",
.start = AB8500_INT_MAIN_CH_TH_PROT_R,
.end = AB8500_INT_MAIN_CH_TH_PROT_R,
.name = "BATT_OVV",
.start = AB8500_INT_BATT_OVV,
.end = AB8500_INT_BATT_OVV,
.flags = IORESOURCE_IRQ,
},
{
.name = "USB_CHARGER_NOT_OKF",
.start = AB8500_INT_USB_CHARGER_NOT_OKF,
.end = AB8500_INT_USB_CHARGER_NOT_OKF,
.name = "LOW_BAT_F",
.start = AB8500_INT_LOW_BAT_F,
.end = AB8500_INT_LOW_BAT_F,
.flags = IORESOURCE_IRQ,
},
{
.name = "LOW_BAT_R",
.start = AB8500_INT_LOW_BAT_R,
.end = AB8500_INT_LOW_BAT_R,
.flags = IORESOURCE_IRQ,
},
{
.name = "CC_INT_CALIB",
.start = AB8500_INT_CC_INT_CALIB,
.end = AB8500_INT_CC_INT_CALIB,
.flags = IORESOURCE_IRQ,
},
};
static struct resource ab8500_debug_resources[] = {
static struct resource __devinitdata ab8500_chargalg_resources[] = {};
static struct resource __devinitdata ab8500_debug_resources[] = {
{
.name = "IRQ_FIRST",
.start = AB8500_INT_MAIN_EXT_CH_NOT_OK,
......@@ -549,7 +632,7 @@ static struct resource ab8500_debug_resources[] = {
},
};
static struct resource ab8500_usb_resources[] = {
static struct resource __devinitdata ab8500_usb_resources[] = {
{
.name = "ID_WAKEUP_R",
.start = AB8500_INT_ID_WAKEUP_R,
......@@ -580,9 +663,21 @@ static struct resource ab8500_usb_resources[] = {
.end = AB8500_INT_USB_LINK_STATUS,
.flags = IORESOURCE_IRQ,
},
{
.name = "USB_ADP_PROBE_PLUG",
.start = AB8500_INT_ADP_PROBE_PLUG,
.end = AB8500_INT_ADP_PROBE_PLUG,
.flags = IORESOURCE_IRQ,
},
{
.name = "USB_ADP_PROBE_UNPLUG",
.start = AB8500_INT_ADP_PROBE_UNPLUG,
.end = AB8500_INT_ADP_PROBE_UNPLUG,
.flags = IORESOURCE_IRQ,
},
};
static struct resource ab8500_temp_resources[] = {
static struct resource __devinitdata ab8500_temp_resources[] = {
{
.name = "AB8500_TEMP_WARM",
.start = AB8500_INT_TEMP_WARM,
......@@ -591,7 +686,7 @@ static struct resource ab8500_temp_resources[] = {
},
};
static struct mfd_cell ab8500_devs[] = {
static struct mfd_cell __devinitdata ab8500_devs[] = {
#ifdef CONFIG_DEBUG_FS
{
.name = "ab8500-debug",
......@@ -621,11 +716,33 @@ static struct mfd_cell ab8500_devs[] = {
.resources = ab8500_rtc_resources,
},
{
.name = "ab8500-bm",
.num_resources = ARRAY_SIZE(ab8500_bm_resources),
.resources = ab8500_bm_resources,
.name = "ab8500-charger",
.num_resources = ARRAY_SIZE(ab8500_charger_resources),
.resources = ab8500_charger_resources,
},
{
.name = "ab8500-btemp",
.num_resources = ARRAY_SIZE(ab8500_btemp_resources),
.resources = ab8500_btemp_resources,
},
{
.name = "ab8500-fg",
.num_resources = ARRAY_SIZE(ab8500_fg_resources),
.resources = ab8500_fg_resources,
},
{
.name = "ab8500-chargalg",
.num_resources = ARRAY_SIZE(ab8500_chargalg_resources),
.resources = ab8500_chargalg_resources,
},
{
.name = "ab8500-acc-det",
.num_resources = ARRAY_SIZE(ab8500_av_acc_detect_resources),
.resources = ab8500_av_acc_detect_resources,
},
{
.name = "ab8500-codec",
},
{ .name = "ab8500-codec", },
{
.name = "ab8500-usb",
.num_resources = ARRAY_SIZE(ab8500_usb_resources),
......
drivers/mfd/ab8500-debugfs.c
View file @ 3da3f872
......@@ -419,20 +419,13 @@ static ssize_t ab8500_bank_write(struct file *file,
size_t count, loff_t *ppos)
{
struct device *dev = ((struct seq_file *)(file->private_data))->private;
char buf[32];
int buf_size;
unsigned long user_bank;
int err;
/* Get userspace string and assure termination */
buf_size = min(count, (sizeof(buf) - 1));
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
buf[buf_size] = 0;
err = strict_strtoul(buf, 0, &user_bank);
err = kstrtoul_from_user(user_buf, count, 0, &user_bank);
if (err)
return -EINVAL;
return err;
if (user_bank >= AB8500_NUM_BANKS) {
dev_err(dev, "debugfs error input > number of banks\n");
......@@ -441,7 +434,7 @@ static ssize_t ab8500_bank_write(struct file *file,
debug_bank = user_bank;
return buf_size;
return count;
}
static int ab8500_address_print(struct seq_file *s, void *p)
......@@ -459,26 +452,20 @@ static ssize_t ab8500_address_write(struct file *file,
size_t count, loff_t *ppos)
{
struct device *dev = ((struct seq_file *)(file->private_data))->private;
char buf[32];
int buf_size;
unsigned long user_address;
int err;
/* Get userspace string and assure termination */
buf_size = min(count, (sizeof(buf) - 1));
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
buf[buf_size] = 0;
err = strict_strtoul(buf, 0, &user_address);
err = kstrtoul_from_user(user_buf, count, 0, &user_address);
if (err)
return -EINVAL;
return err;
if (user_address > 0xff) {
dev_err(dev, "debugfs error input > 0xff\n");
return -EINVAL;
}
debug_address = user_address;
return buf_size;
return count;
}
static int ab8500_val_print(struct seq_file *s, void *p)
......@@ -509,20 +496,14 @@ static ssize_t ab8500_val_write(struct file *file,
size_t count, loff_t *ppos)
{
struct device *dev = ((struct seq_file *)(file->private_data))->private;
char buf[32];
int buf_size;
unsigned long user_val;
int err;
/* Get userspace string and assure termination */
buf_size = min(count, (sizeof(buf)-1));
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
buf[buf_size] = 0;
err = strict_strtoul(buf, 0, &user_val);
err = kstrtoul_from_user(user_buf, count, 0, &user_val);
if (err)
return -EINVAL;
return err;
if (user_val > 0xff) {
dev_err(dev, "debugfs error input > 0xff\n");
return -EINVAL;
......@@ -534,7 +515,7 @@ static ssize_t ab8500_val_write(struct file *file,
return -EINVAL;
}
return buf_size;
return count;
}
static const struct file_operations ab8500_bank_fops = {
......
drivers/mfd/jz4740-adc.c
View file @ 3da3f872
......@@ -56,7 +56,7 @@ struct jz4740_adc {
void __iomem *base;
int irq;
int irq_base;
struct irq_chip_generic *gc;
struct clk *clk;
atomic_t clk_ref;
......@@ -64,63 +64,17 @@ struct jz4740_adc {
spinlock_t lock;
};
static inline void jz4740_adc_irq_set_masked(struct jz4740_adc *adc, int irq,
bool masked)
{
unsigned long flags;
uint8_t val;
irq -= adc->irq_base;
spin_lock_irqsave(&adc->lock, flags);
val = readb(adc->base + JZ_REG_ADC_CTRL);
if (masked)
val |= BIT(irq);
else
val &= ~BIT(irq);
writeb(val, adc->base + JZ_REG_ADC_CTRL);
spin_unlock_irqrestore(&adc->lock, flags);
}
static void jz4740_adc_irq_mask(struct irq_data *data)
{
struct jz4740_adc *adc = irq_data_get_irq_chip_data(data);
jz4740_adc_irq_set_masked(adc, data->irq, true);
}
static void jz4740_adc_irq_unmask(struct irq_data *data)
{
struct jz4740_adc *adc = irq_data_get_irq_chip_data(data);
jz4740_adc_irq_set_masked(adc, data->irq, false);
}
static void jz4740_adc_irq_ack(struct irq_data *data)
{
struct jz4740_adc *adc = irq_data_get_irq_chip_data(data);
unsigned int irq = data->irq - adc->irq_base;
writeb(BIT(irq), adc->base + JZ_REG_ADC_STATUS);
}
static struct irq_chip jz4740_adc_irq_chip = {
.name = "jz4740-adc",
.irq_mask = jz4740_adc_irq_mask,
.irq_unmask = jz4740_adc_irq_unmask,
.irq_ack = jz4740_adc_irq_ack,
};
static void jz4740_adc_irq_demux(unsigned int irq, struct irq_desc *desc)
{
struct jz4740_adc *adc = irq_desc_get_handler_data(desc);
struct irq_chip_generic *gc = irq_desc_get_handler_data(desc);
uint8_t status;
unsigned int i;
status = readb(adc->base + JZ_REG_ADC_STATUS);
status = readb(gc->reg_base + JZ_REG_ADC_STATUS);
for (i = 0; i < 5; ++i) {
if (status & BIT(i))
generic_handle_irq(adc->irq_base + i);
generic_handle_irq(gc->irq_base + i);
}
}
......@@ -249,10 +203,12 @@ const struct mfd_cell jz4740_adc_cells[] = {
static int __devinit jz4740_adc_probe(struct platform_device *pdev)
{
int ret;
struct irq_chip_generic *gc;
struct irq_chip_type *ct;
struct jz4740_adc *adc;
struct resource *mem_base;
int irq;
int ret;
int irq_base;
adc = kmalloc(sizeof(*adc), GFP_KERNEL);
if (!adc) {
......@@ -267,9 +223,9 @@ static int __devinit jz4740_adc_probe(struct platform_device *pdev)
goto err_free;
}
adc->irq_base = platform_get_irq(pdev, 1);
if (adc->irq_base < 0) {
ret = adc->irq_base;
irq_base = platform_get_irq(pdev, 1);
if (irq_base < 0) {
ret = irq_base;
dev_err(&pdev->dev, "Failed to get irq base: %d\n", ret);
goto err_free;
}
......@@ -309,20 +265,28 @@ static int __devinit jz4740_adc_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, adc);
for (irq = adc->irq_base; irq < adc->irq_base + 5; ++irq) {
irq_set_chip_data(irq, adc);
irq_set_chip_and_handler(irq, &jz4740_adc_irq_chip,
handle_level_irq);
}
gc = irq_alloc_generic_chip("INTC", 1, irq_base, adc->base,
handle_level_irq);
ct = gc->chip_types;
ct->regs.mask = JZ_REG_ADC_CTRL;
ct->regs.ack = JZ_REG_ADC_STATUS;
ct->chip.irq_mask = irq_gc_mask_set_bit;
ct->chip.irq_unmask = irq_gc_mask_clr_bit;
ct->chip.irq_ack = irq_gc_ack;
irq_setup_generic_chip(gc, IRQ_MSK(5), 0, 0, IRQ_NOPROBE | IRQ_LEVEL);
adc->gc = gc;
irq_set_handler_data(adc->irq, adc);
irq_set_handler_data(adc->irq, gc);
irq_set_chained_handler(adc->irq, jz4740_adc_irq_demux);
writeb(0x00, adc->base + JZ_REG_ADC_ENABLE);
writeb(0xff, adc->base + JZ_REG_ADC_CTRL);
ret = mfd_add_devices(&pdev->dev, 0, jz4740_adc_cells,
ARRAY_SIZE(jz4740_adc_cells), mem_base, adc->irq_base);
ARRAY_SIZE(jz4740_adc_cells), mem_base, irq_base);
if (ret < 0)
goto err_clk_put;
......@@ -347,6 +311,8 @@ static int __devexit jz4740_adc_remove(struct platform_device *pdev)
mfd_remove_devices(&pdev->dev);
irq_remove_generic_chip(adc->gc, IRQ_MSK(5), IRQ_NOPROBE | IRQ_LEVEL, 0);
kfree(adc->gc);
irq_set_handler_data(adc->irq, NULL);
irq_set_chained_handler(adc->irq, NULL);
......
drivers/mfd/lpc_sch.c
View file @ 3da3f872
......@@ -37,6 +37,9 @@
#define GPIOBASE 0x44
#define GPIO_IO_SIZE 64
#define WDTBASE 0x84
#define WDT_IO_SIZE 64
static struct resource smbus_sch_resource = {
.flags = IORESOURCE_IO,
};
......@@ -59,6 +62,18 @@ static struct mfd_cell lpc_sch_cells[] = {
},
};
static struct resource wdt_sch_resource = {
.flags = IORESOURCE_IO,
};
static struct mfd_cell tunnelcreek_cells[] = {
{
.name = "tunnelcreek_wdt",
.num_resources = 1,
.resources = &wdt_sch_resource,
},
};
static struct pci_device_id lpc_sch_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SCH_LPC) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ITC_LPC) },
......@@ -72,6 +87,7 @@ static int __devinit lpc_sch_probe(struct pci_dev *dev,
unsigned int base_addr_cfg;
unsigned short base_addr;
int i;
int ret;
pci_read_config_dword(dev, SMBASE, &base_addr_cfg);
if (!(base_addr_cfg & (1 << 31))) {
......@@ -104,8 +120,39 @@ static int __devinit lpc_sch_probe(struct pci_dev *dev,
for (i=0; i < ARRAY_SIZE(lpc_sch_cells); i++)
lpc_sch_cells[i].id = id->device;
return mfd_add_devices(&dev->dev, 0,
ret = mfd_add_devices(&dev->dev, 0,
lpc_sch_cells, ARRAY_SIZE(lpc_sch_cells), NULL, 0);
if (ret)
goto out_dev;
if (id->device == PCI_DEVICE_ID_INTEL_ITC_LPC) {
pci_read_config_dword(dev, WDTBASE, &base_addr_cfg);
if (!(base_addr_cfg & (1 << 31))) {
dev_err(&dev->dev, "Decode of the WDT I/O range disabled\n");
ret = -ENODEV;
goto out_dev;
}
base_addr = (unsigned short)base_addr_cfg;
if (base_addr == 0) {
dev_err(&dev->dev, "I/O space for WDT uninitialized\n");
ret = -ENODEV;
goto out_dev;
}
wdt_sch_resource.start = base_addr;
wdt_sch_resource.end = base_addr + WDT_IO_SIZE - 1;
for (i = 0; i < ARRAY_SIZE(tunnelcreek_cells); i++)
tunnelcreek_cells[i].id = id->device;
ret = mfd_add_devices(&dev->dev, 0, tunnelcreek_cells,
ARRAY_SIZE(tunnelcreek_cells), NULL, 0);
}
return ret;
out_dev:
mfd_remove_devices(&dev->dev);
return ret;
}
static void __devexit lpc_sch_remove(struct pci_dev *dev)
......
drivers/mfd/max8997-irq.c
View file @ 3da3f872
......@@ -58,8 +58,6 @@ static struct i2c_client *get_i2c(struct max8997_dev *max8997,
default:
return ERR_PTR(-EINVAL);
}
return ERR_PTR(-EINVAL);
}
struct max8997_irq_data {
......
drivers/mfd/omap-usb-host.c
View file @ 3da3f872
......@@ -998,9 +998,9 @@ static void usbhs_disable(struct device *dev)
if (is_omap_usbhs_rev2(omap)) {
if (is_ehci_tll_mode(pdata->port_mode[0]))
clk_enable(omap->usbtll_p1_fck);
clk_disable(omap->usbtll_p1_fck);
if (is_ehci_tll_mode(pdata->port_mode[1]))
clk_enable(omap->usbtll_p2_fck);
clk_disable(omap->usbtll_p2_fck);
clk_disable(omap->utmi_p2_fck);
clk_disable(omap->utmi_p1_fck);
}
......
drivers/mfd/stmpe.c
View file @ 3da3f872
......@@ -228,7 +228,7 @@ int stmpe_block_write(struct stmpe *stmpe, u8 reg, u8 length,
EXPORT_SYMBOL_GPL(stmpe_block_write);
/**
* stmpe_set_altfunc: set the alternate function for STMPE pins
* stmpe_set_altfunc()- set the alternate function for STMPE pins
* @stmpe: Device to configure
* @pins: Bitmask of pins to affect
* @block: block to enable alternate functions for
......
drivers/mfd/stmpe.h
View file @ 3da3f872
......@@ -42,6 +42,7 @@ struct stmpe_variant_block {
* @id_mask: bits valid in CHIPID register for comparison with id_val
* @num_gpios: number of GPIOS
* @af_bits: number of bits used to specify the alternate function
* @regs: variant specific registers.
* @blocks: list of blocks present on this device
* @num_blocks: number of blocks present on this device
* @num_irqs: number of internal IRQs available on this device
......
drivers/mfd/tps65910.c
View file @ 3da3f872
......@@ -147,12 +147,11 @@ static int tps65910_i2c_probe(struct i2c_client *i2c,
if (init_data == NULL)
return -ENOMEM;
init_data->irq = pmic_plat_data->irq;
init_data->irq_base = pmic_plat_data->irq;
tps65910 = kzalloc(sizeof(struct tps65910), GFP_KERNEL);
if (tps65910 == NULL)
if (tps65910 == NULL) {
kfree(init_data);
return -ENOMEM;
}
i2c_set_clientdata(i2c, tps65910);
tps65910->dev = &i2c->dev;
......@@ -168,17 +167,22 @@ static int tps65910_i2c_probe(struct i2c_client *i2c,
if (ret < 0)
goto err;
init_data->irq = pmic_plat_data->irq;
init_data->irq_base = pmic_plat_data->irq;
tps65910_gpio_init(tps65910, pmic_plat_data->gpio_base);
ret = tps65910_irq_init(tps65910, init_data->irq, init_data);
if (ret < 0)
goto err;
kfree(init_data);
return ret;
err:
mfd_remove_devices(tps65910->dev);
kfree(tps65910);
kfree(init_data);
return ret;
}
......@@ -187,6 +191,7 @@ static int tps65910_i2c_remove(struct i2c_client *i2c)
struct tps65910 *tps65910 = i2c_get_clientdata(i2c);
mfd_remove_devices(tps65910->dev);
tps65910_irq_exit(tps65910);
kfree(tps65910);
return 0;
......
drivers/mfd/tps65911-comparator.c
View file @ 3da3f872
......@@ -157,6 +157,8 @@ static __devexit int tps65911_comparator_remove(struct platform_device *pdev)
struct tps65910 *tps65910;
tps65910 = dev_get_drvdata(pdev->dev.parent);
device_remove_file(&pdev->dev, &dev_attr_comp2_threshold);
device_remove_file(&pdev->dev, &dev_attr_comp1_threshold);
return 0;
}
......
drivers/mfd/tps65912-core.c 0 → 100644
View file @ 3da3f872
/*
* tps65912-core.c -- TI TPS65912x
*
* Copyright 2011 Texas Instruments Inc.
*
* Author: Margarita Olaya Cabrera <magi@slimlogic.co.uk>
*
* 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.
*
* This driver is based on wm8350 implementation.
*/
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/gpio.h>
#include <linux/mfd/core.h>
#include <linux/mfd/tps65912.h>
static struct mfd_cell tps65912s[] = {
{
.name = "tps65912-pmic",
},
};
int tps65912_set_bits(struct tps65912 *tps65912, u8 reg, u8 mask)
{
u8 data;
int err;
mutex_lock(&tps65912->io_mutex);
err = tps65912->read(tps65912, reg, 1, &data);
if (err) {
dev_err(tps65912->dev, "Read from reg 0x%x failed\n", reg);
goto out;
}
data |= mask;
err = tps65912->write(tps65912, reg, 1, &data);
if (err)
dev_err(tps65912->dev, "Write to reg 0x%x failed\n", reg);
out:
mutex_unlock(&tps65912->io_mutex);
return err;
}
EXPORT_SYMBOL_GPL(tps65912_set_bits);
int tps65912_clear_bits(struct tps65912 *tps65912, u8 reg, u8 mask)
{
u8 data;
int err;
mutex_lock(&tps65912->io_mutex);
err = tps65912->read(tps65912, reg, 1, &data);
if (err) {
dev_err(tps65912->dev, "Read from reg 0x%x failed\n", reg);
goto out;
}
data &= ~mask;
err = tps65912->write(tps65912, reg, 1, &data);
if (err)
dev_err(tps65912->dev, "Write to reg 0x%x failed\n", reg);
out:
mutex_unlock(&tps65912->io_mutex);
return err;
}
EXPORT_SYMBOL_GPL(tps65912_clear_bits);
static inline int tps65912_read(struct tps65912 *tps65912, u8 reg)
{
u8 val;
int err;
err = tps65912->read(tps65912, reg, 1, &val);
if (err < 0)
return err;
return val;
}
static inline int tps65912_write(struct tps65912 *tps65912, u8 reg, u8 val)
{
return tps65912->write(tps65912, reg, 1, &val);
}
int tps65912_reg_read(struct tps65912 *tps65912, u8 reg)
{
int data;
mutex_lock(&tps65912->io_mutex);
data = tps65912_read(tps65912, reg);
if (data < 0)
dev_err(tps65912->dev, "Read from reg 0x%x failed\n", reg);
mutex_unlock(&tps65912->io_mutex);
return data;
}
EXPORT_SYMBOL_GPL(tps65912_reg_read);
int tps65912_reg_write(struct tps65912 *tps65912, u8 reg, u8 val)
{
int err;
mutex_lock(&tps65912->io_mutex);
err = tps65912_write(tps65912, reg, val);
if (err < 0)
dev_err(tps65912->dev, "Write for reg 0x%x failed\n", reg);
mutex_unlock(&tps65912->io_mutex);
return err;
}
EXPORT_SYMBOL_GPL(tps65912_reg_write);
int tps65912_device_init(struct tps65912 *tps65912)
{
struct tps65912_board *pmic_plat_data = tps65912->dev->platform_data;
struct tps65912_platform_data *init_data;
int ret, dcdc_avs, value;
init_data = kzalloc(sizeof(struct tps65912_platform_data), GFP_KERNEL);
if (init_data == NULL)
return -ENOMEM;
init_data->irq = pmic_plat_data->irq;
init_data->irq_base = pmic_plat_data->irq;
mutex_init(&tps65912->io_mutex);
dev_set_drvdata(tps65912->dev, tps65912);
dcdc_avs = (pmic_plat_data->is_dcdc1_avs << 0 |
pmic_plat_data->is_dcdc2_avs << 1 |
pmic_plat_data->is_dcdc3_avs << 2 |
pmic_plat_data->is_dcdc4_avs << 3);
if (dcdc_avs) {
tps65912->read(tps65912, TPS65912_I2C_SPI_CFG, 1, &value);
dcdc_avs |= value;
tps65912->write(tps65912, TPS65912_I2C_SPI_CFG, 1, &dcdc_avs);
}
ret = mfd_add_devices(tps65912->dev, -1,
tps65912s, ARRAY_SIZE(tps65912s),
NULL, 0);
if (ret < 0)
goto err;
ret = tps65912_irq_init(tps65912, init_data->irq, init_data);
if (ret < 0)
goto err;
return ret;
err:
kfree(init_data);
mfd_remove_devices(tps65912->dev);
kfree(tps65912);
return ret;
}
void tps65912_device_exit(struct tps65912 *tps65912)
{
mfd_remove_devices(tps65912->dev);
kfree(tps65912);
}
MODULE_AUTHOR("Margarita Olaya <magi@slimlogic.co.uk>");
MODULE_DESCRIPTION("TPS65912x chip family multi-function driver");
MODULE_LICENSE("GPL");
drivers/mfd/tps65912-i2c.c 0 → 100644
View file @ 3da3f872
/*
* tps65912-i2c.c -- I2C access for TI TPS65912x PMIC
*
* Copyright 2011 Texas Instruments Inc.
*
* Author: Margarita Olaya Cabrera <magi@slimlogic.co.uk>
*
* 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.
*
* This driver is based on wm8350 implementation.
*/
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/gpio.h>
#include <linux/i2c.h>
#include <linux/mfd/core.h>
#include <linux/mfd/tps65912.h>
static int tps65912_i2c_read(struct tps65912 *tps65912, u8 reg,
int bytes, void *dest)
{
struct i2c_client *i2c = tps65912->control_data;
struct i2c_msg xfer[2];
int ret;
/* Write register */
xfer[0].addr = i2c->addr;
xfer[0].flags = 0;
xfer[0].len = 1;
xfer[0].buf = &reg;
/* Read data */
xfer[1].addr = i2c->addr;
xfer[1].flags = I2C_M_RD;
xfer[1].len = bytes;
xfer[1].buf = dest;
ret = i2c_transfer(i2c->adapter, xfer, 2);
if (ret == 2)
ret = 0;
else if (ret >= 0)
ret = -EIO;
return ret;
}
static int tps65912_i2c_write(struct tps65912 *tps65912, u8 reg,
int bytes, void *src)
{
struct i2c_client *i2c = tps65912->control_data;
/* we add 1 byte for device register */
u8 msg[TPS6591X_MAX_REGISTER + 1];
int ret;
if (bytes > TPS6591X_MAX_REGISTER)
return -EINVAL;
msg[0] = reg;
memcpy(&msg[1], src, bytes);
ret = i2c_master_send(i2c, msg, bytes + 1);
if (ret < 0)
return ret;
if (ret != bytes + 1)
return -EIO;
return 0;
}
static int tps65912_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct tps65912 *tps65912;
tps65912 = kzalloc(sizeof(struct tps65912), GFP_KERNEL);
if (tps65912 == NULL)
return -ENOMEM;
i2c_set_clientdata(i2c, tps65912);
tps65912->dev = &i2c->dev;
tps65912->control_data = i2c;
tps65912->read = tps65912_i2c_read;
tps65912->write = tps65912_i2c_write;
return tps65912_device_init(tps65912);
}
static int tps65912_i2c_remove(struct i2c_client *i2c)
{
struct tps65912 *tps65912 = i2c_get_clientdata(i2c);
tps65912_device_exit(tps65912);
return 0;
}
static const struct i2c_device_id tps65912_i2c_id[] = {
{"tps65912", 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, tps65912_i2c_id);
static struct i2c_driver tps65912_i2c_driver = {
.driver = {
.name = "tps65912",
.owner = THIS_MODULE,
},
.probe = tps65912_i2c_probe,
.remove = tps65912_i2c_remove,
.id_table = tps65912_i2c_id,
};
static int __init tps65912_i2c_init(void)
{
int ret;
ret = i2c_add_driver(&tps65912_i2c_driver);
if (ret != 0)
pr_err("Failed to register TPS65912 I2C driver: %d\n", ret);
return ret;
}
/* init early so consumer devices can complete system boot */
subsys_initcall(tps65912_i2c_init);
static void __exit tps65912_i2c_exit(void)
{
i2c_del_driver(&tps65912_i2c_driver);
}
module_exit(tps65912_i2c_exit);
MODULE_AUTHOR("Margarita Olaya <magi@slimlogic.co.uk>");
MODULE_DESCRIPTION("TPS6591x chip family multi-function driver");
MODULE_LICENSE("GPL");
drivers/mfd/tps65912-irq.c 0 → 100644
View file @ 3da3f872
/*
* tps65912-irq.c -- TI TPS6591x
*
* Copyright 2011 Texas Instruments Inc.
*
* Author: Margarita Olaya <magi@slimlogic.co.uk>
*
* 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.
*
* This driver is based on wm8350 implementation.
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/bug.h>
#include <linux/device.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/gpio.h>
#include <linux/mfd/tps65912.h>
static inline int irq_to_tps65912_irq(struct tps65912 *tps65912,
int irq)
{
return irq - tps65912->irq_base;
}
/*
* This is a threaded IRQ handler so can access I2C/SPI. Since the
* IRQ handler explicitly clears the IRQ it handles the IRQ line
* will be reasserted and the physical IRQ will be handled again if
* another interrupt is asserted while we run - in the normal course
* of events this is a rare occurrence so we save I2C/SPI reads. We're
* also assuming that it's rare to get lots of interrupts firing
* simultaneously so try to minimise I/O.
*/
static irqreturn_t tps65912_irq(int irq, void *irq_data)
{
struct tps65912 *tps65912 = irq_data;
u32 irq_sts;
u32 irq_mask;
u8 reg;
int i;
tps65912->read(tps65912, TPS65912_INT_STS, 1, &reg);
irq_sts = reg;
tps65912->read(tps65912, TPS65912_INT_STS2, 1, &reg);
irq_sts |= reg << 8;
tps65912->read(tps65912, TPS65912_INT_STS3, 1, &reg);
irq_sts |= reg << 16;
tps65912->read(tps65912, TPS65912_INT_STS4, 1, &reg);
irq_sts |= reg << 24;
tps65912->read(tps65912, TPS65912_INT_MSK, 1, &reg);
irq_mask = reg;
tps65912->read(tps65912, TPS65912_INT_MSK2, 1, &reg);
irq_mask |= reg << 8;
tps65912->read(tps65912, TPS65912_INT_MSK3, 1, &reg);
irq_mask |= reg << 16;
tps65912->read(tps65912, TPS65912_INT_MSK4, 1, &reg);
irq_mask |= reg << 24;
irq_sts &= ~irq_mask;
if (!irq_sts)
return IRQ_NONE;
for (i = 0; i < tps65912->irq_num; i++) {
if (!(irq_sts & (1 << i)))
continue;
handle_nested_irq(tps65912->irq_base + i);
}
/* Write the STS register back to clear IRQs we handled */
reg = irq_sts & 0xFF;
irq_sts >>= 8;
if (reg)
tps65912->write(tps65912, TPS65912_INT_STS, 1, &reg);
reg = irq_sts & 0xFF;
irq_sts >>= 8;
if (reg)
tps65912->write(tps65912, TPS65912_INT_STS2, 1, &reg);
reg = irq_sts & 0xFF;
irq_sts >>= 8;
if (reg)
tps65912->write(tps65912, TPS65912_INT_STS3, 1, &reg);
reg = irq_sts & 0xFF;
if (reg)
tps65912->write(tps65912, TPS65912_INT_STS4, 1, &reg);
return IRQ_HANDLED;
}
static void tps65912_irq_lock(struct irq_data *data)
{
struct tps65912 *tps65912 = irq_data_get_irq_chip_data(data);
mutex_lock(&tps65912->irq_lock);
}
static void tps65912_irq_sync_unlock(struct irq_data *data)
{
struct tps65912 *tps65912 = irq_data_get_irq_chip_data(data);
u32 reg_mask;
u8 reg;
tps65912->read(tps65912, TPS65912_INT_MSK, 1, &reg);
reg_mask = reg;
tps65912->read(tps65912, TPS65912_INT_MSK2, 1, &reg);
reg_mask |= reg << 8;
tps65912->read(tps65912, TPS65912_INT_MSK3, 1, &reg);
reg_mask |= reg << 16;
tps65912->read(tps65912, TPS65912_INT_MSK4, 1, &reg);
reg_mask |= reg << 24;
if (tps65912->irq_mask != reg_mask) {
reg = tps65912->irq_mask & 0xFF;
tps65912->write(tps65912, TPS65912_INT_MSK, 1, &reg);
reg = tps65912->irq_mask >> 8 & 0xFF;
tps65912->write(tps65912, TPS65912_INT_MSK2, 1, &reg);
reg = tps65912->irq_mask >> 16 & 0xFF;
tps65912->write(tps65912, TPS65912_INT_MSK3, 1, &reg);
reg = tps65912->irq_mask >> 24 & 0xFF;
tps65912->write(tps65912, TPS65912_INT_MSK4, 1, &reg);
}
mutex_unlock(&tps65912->irq_lock);
}
static void tps65912_irq_enable(struct irq_data *data)
{
struct tps65912 *tps65912 = irq_data_get_irq_chip_data(data);
tps65912->irq_mask &= ~(1 << irq_to_tps65912_irq(tps65912, data->irq));
}
static void tps65912_irq_disable(struct irq_data *data)
{
struct tps65912 *tps65912 = irq_data_get_irq_chip_data(data);
tps65912->irq_mask |= (1 << irq_to_tps65912_irq(tps65912, data->irq));
}
static struct irq_chip tps65912_irq_chip = {
.name = "tps65912",
.irq_bus_lock = tps65912_irq_lock,
.irq_bus_sync_unlock = tps65912_irq_sync_unlock,
.irq_disable = tps65912_irq_disable,
.irq_enable = tps65912_irq_enable,
};
int tps65912_irq_init(struct tps65912 *tps65912, int irq,
struct tps65912_platform_data *pdata)
{
int ret, cur_irq;
int flags = IRQF_ONESHOT;
u8 reg;
if (!irq) {
dev_warn(tps65912->dev, "No interrupt support, no core IRQ\n");
return 0;
}
if (!pdata || !pdata->irq_base) {
dev_warn(tps65912->dev, "No interrupt support, no IRQ base\n");
return 0;
}
/* Clear unattended interrupts */
tps65912->read(tps65912, TPS65912_INT_STS, 1, &reg);
tps65912->write(tps65912, TPS65912_INT_STS, 1, &reg);
tps65912->read(tps65912, TPS65912_INT_STS2, 1, &reg);
tps65912->write(tps65912, TPS65912_INT_STS2, 1, &reg);
tps65912->read(tps65912, TPS65912_INT_STS3, 1, &reg);
tps65912->write(tps65912, TPS65912_INT_STS3, 1, &reg);
tps65912->read(tps65912, TPS65912_INT_STS4, 1, &reg);
tps65912->write(tps65912, TPS65912_INT_STS4, 1, &reg);
/* Mask top level interrupts */
tps65912->irq_mask = 0xFFFFFFFF;
mutex_init(&tps65912->irq_lock);
tps65912->chip_irq = irq;
tps65912->irq_base = pdata->irq_base;
tps65912->irq_num = TPS65912_NUM_IRQ;
/* Register with genirq */
for (cur_irq = tps65912->irq_base;
cur_irq < tps65912->irq_num + tps65912->irq_base;
cur_irq++) {
irq_set_chip_data(cur_irq, tps65912);
irq_set_chip_and_handler(cur_irq, &tps65912_irq_chip,
handle_edge_irq);
irq_set_nested_thread(cur_irq, 1);
/* ARM needs us to explicitly flag the IRQ as valid
* and will set them noprobe when we do so. */
#ifdef CONFIG_ARM
set_irq_flags(cur_irq, IRQF_VALID);
#else
irq_set_noprobe(cur_irq);
#endif
}
ret = request_threaded_irq(irq, NULL, tps65912_irq, flags,
"tps65912", tps65912);
irq_set_irq_type(irq, IRQ_TYPE_LEVEL_LOW);
if (ret != 0)
dev_err(tps65912->dev, "Failed to request IRQ: %d\n", ret);
return ret;
}
int tps65912_irq_exit(struct tps65912 *tps65912)
{
free_irq(tps65912->chip_irq, tps65912);
return 0;
}
drivers/mfd/tps65912-spi.c 0 → 100644
View file @ 3da3f872
/*
* tps65912-spi.c -- SPI access for TI TPS65912x PMIC
*
* Copyright 2011 Texas Instruments Inc.
*
* Author: Margarita Olaya Cabrera <magi@slimlogic.co.uk>
*
* 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.
*
* This driver is based on wm8350 implementation.
*/
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/gpio.h>
#include <linux/spi/spi.h>
#include <linux/mfd/core.h>
#include <linux/mfd/tps65912.h>
static int tps65912_spi_write(struct tps65912 *tps65912, u8 addr,
int bytes, void *src)
{
struct spi_device *spi = tps65912->control_data;
u8 *data = (u8 *) src;
int ret;
/* bit 23 is the read/write bit */
unsigned long spi_data = 1 << 23 | addr << 15 | *data;
struct spi_transfer xfer;
struct spi_message msg;
u32 tx_buf, rx_buf;
tx_buf = spi_data;
rx_buf = 0;
xfer.tx_buf = &tx_buf;
xfer.rx_buf = NULL;
xfer.len = sizeof(unsigned long);
xfer.bits_per_word = 24;
spi_message_init(&msg);
spi_message_add_tail(&xfer, &msg);
ret = spi_sync(spi, &msg);
return ret;
}
static int tps65912_spi_read(struct tps65912 *tps65912, u8 addr,
int bytes, void *dest)
{
struct spi_device *spi = tps65912->control_data;
/* bit 23 is the read/write bit */
unsigned long spi_data = 0 << 23 | addr << 15;
struct spi_transfer xfer;
struct spi_message msg;
int ret;
u8 *data = (u8 *) dest;
u32 tx_buf, rx_buf;
tx_buf = spi_data;
rx_buf = 0;
xfer.tx_buf = &tx_buf;
xfer.rx_buf = &rx_buf;
xfer.len = sizeof(unsigned long);
xfer.bits_per_word = 24;
spi_message_init(&msg);
spi_message_add_tail(&xfer, &msg);
if (spi == NULL)
return 0;
ret = spi_sync(spi, &msg);
if (ret == 0)
*data = (u8) (rx_buf & 0xFF);
return ret;
}
static int __devinit tps65912_spi_probe(struct spi_device *spi)
{
struct tps65912 *tps65912;
tps65912 = kzalloc(sizeof(struct tps65912), GFP_KERNEL);
if (tps65912 == NULL)
return -ENOMEM;
tps65912->dev = &spi->dev;
tps65912->control_data = spi;
tps65912->read = tps65912_spi_read;
tps65912->write = tps65912_spi_write;
spi_set_drvdata(spi, tps65912);
return tps65912_device_init(tps65912);
}
static int __devexit tps65912_spi_remove(struct spi_device *spi)
{
struct tps65912 *tps65912 = spi_get_drvdata(spi);
tps65912_device_exit(tps65912);
return 0;
}
static struct spi_driver tps65912_spi_driver = {
.driver = {
.name = "tps65912",
.bus = &spi_bus_type,
.owner = THIS_MODULE,
},
.probe = tps65912_spi_probe,
.remove = __devexit_p(tps65912_spi_remove),
};
static int __init tps65912_spi_init(void)
{
int ret;
ret = spi_register_driver(&tps65912_spi_driver);
if (ret != 0)
pr_err("Failed to register TPS65912 SPI driver: %d\n", ret);
return 0;
}
/* init early so consumer devices can complete system boot */
subsys_initcall(tps65912_spi_init);
static void __exit tps65912_spi_exit(void)
{
spi_unregister_driver(&tps65912_spi_driver);
}
module_exit(tps65912_spi_exit);
MODULE_AUTHOR("Margarita Olaya <magi@slimlogic.co.uk>");
MODULE_DESCRIPTION("SPI support for TPS65912 chip family mfd");
MODULE_LICENSE("GPL");
drivers/mfd/twl-core.c
View file @ 3da3f872
......@@ -1283,6 +1283,8 @@ static const struct i2c_device_id twl_ids[] = {
{ "tps65950", 0 }, /* catalog version of twl5030 */
{ "tps65930", TPS_SUBSET }, /* fewer LDOs and DACs; no charger */
{ "tps65920", TPS_SUBSET }, /* fewer LDOs; no codec or charger */
{ "tps65921", TPS_SUBSET }, /* fewer LDOs; no codec, no LED
and vibrator. Charger in USB module*/
{ "twl6030", TWL6030_CLASS }, /* "Phoenix power chip" */
{ "twl6025", TWL6030_CLASS | TWL6025_SUBCLASS }, /* "Phoenix lite" */
{ /* end of list */ },
......
drivers/mfd/twl4030-madc.c
View file @ 3da3f872
......@@ -530,13 +530,13 @@ int twl4030_madc_conversion(struct twl4030_madc_request *req)
if (ret) {
dev_err(twl4030_madc->dev,
"unable to write sel register 0x%X\n", method->sel + 1);
return ret;
goto out;
}
ret = twl_i2c_write_u8(TWL4030_MODULE_MADC, ch_lsb, method->sel);
if (ret) {
dev_err(twl4030_madc->dev,
"unable to write sel register 0x%X\n", method->sel + 1);
return ret;
goto out;
}
/* Select averaging for all channels if do_avg is set */
if (req->do_avg) {
......@@ -546,7 +546,7 @@ int twl4030_madc_conversion(struct twl4030_madc_request *req)
dev_err(twl4030_madc->dev,
"unable to write avg register 0x%X\n",
method->avg + 1);
return ret;
goto out;
}
ret = twl_i2c_write_u8(TWL4030_MODULE_MADC,
ch_lsb, method->avg);
......@@ -554,7 +554,7 @@ int twl4030_madc_conversion(struct twl4030_madc_request *req)
dev_err(twl4030_madc->dev,
"unable to write sel reg 0x%X\n",
method->sel + 1);
return ret;
goto out;
}
}
if (req->type == TWL4030_MADC_IRQ_ONESHOT && req->func_cb != NULL) {
......
drivers/mfd/twl6030-pwm.c
View file @ 3da3f872
......@@ -161,3 +161,5 @@ void pwm_free(struct pwm_device *pwm)
kfree(pwm);
}
EXPORT_SYMBOL(pwm_free);
MODULE_LICENSE("GPL");
drivers/mfd/wm831x-auxadc.c 0 → 100644
View file @ 3da3f872
/*
* wm831x-auxadc.c -- AUXADC for Wolfson WM831x PMICs
*
* Copyright 2009-2011 Wolfson Microelectronics PLC.
*
* Author: Mark Brown <broonie@opensource.wolfsonmicro.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/delay.h>
#include <linux/mfd/core.h>
#include <linux/slab.h>
#include <linux/list.h>
#include <linux/mfd/wm831x/core.h>
#include <linux/mfd/wm831x/pdata.h>
#include <linux/mfd/wm831x/irq.h>
#include <linux/mfd/wm831x/auxadc.h>
#include <linux/mfd/wm831x/otp.h>
#include <linux/mfd/wm831x/regulator.h>
struct wm831x_auxadc_req {
struct list_head list;
enum wm831x_auxadc input;
int val;
struct completion done;
};
static int wm831x_auxadc_read_irq(struct wm831x *wm831x,
enum wm831x_auxadc input)
{
struct wm831x_auxadc_req *req;
int ret;
bool ena = false;
req = kzalloc(sizeof(*req), GFP_KERNEL);
if (!req)
return -ENOMEM;
init_completion(&req->done);
req->input = input;
req->val = -ETIMEDOUT;
mutex_lock(&wm831x->auxadc_lock);
/* Enqueue the request */
list_add(&req->list, &wm831x->auxadc_pending);
ena = !wm831x->auxadc_active;
if (ena) {
ret = wm831x_set_bits(wm831x, WM831X_AUXADC_CONTROL,
WM831X_AUX_ENA, WM831X_AUX_ENA);
if (ret != 0) {
dev_err(wm831x->dev, "Failed to enable AUXADC: %d\n",
ret);
goto out;
}
}
/* Enable the conversion if not already running */
if (!(wm831x->auxadc_active & (1 << input))) {
ret = wm831x_set_bits(wm831x, WM831X_AUXADC_SOURCE,
1 << input, 1 << input);
if (ret != 0) {
dev_err(wm831x->dev,
"Failed to set AUXADC source: %d\n", ret);
goto out;
}
wm831x->auxadc_active |= 1 << input;
}
/* We convert at the fastest rate possible */
if (ena) {
ret = wm831x_set_bits(wm831x, WM831X_AUXADC_CONTROL,
WM831X_AUX_CVT_ENA |
WM831X_AUX_RATE_MASK,
WM831X_AUX_CVT_ENA |
WM831X_AUX_RATE_MASK);
if (ret != 0) {
dev_err(wm831x->dev, "Failed to start AUXADC: %d\n",
ret);
goto out;
}
}
mutex_unlock(&wm831x->auxadc_lock);
/* Wait for an interrupt */
wait_for_completion_timeout(&req->done, msecs_to_jiffies(500));
mutex_lock(&wm831x->auxadc_lock);
list_del(&req->list);
ret = req->val;
out:
mutex_unlock(&wm831x->auxadc_lock);
kfree(req);
return ret;
}
static irqreturn_t wm831x_auxadc_irq(int irq, void *irq_data)
{
struct wm831x *wm831x = irq_data;
struct wm831x_auxadc_req *req;
int ret, input, val;
ret = wm831x_reg_read(wm831x, WM831X_AUXADC_DATA);
if (ret < 0) {
dev_err(wm831x->dev,
"Failed to read AUXADC data: %d\n", ret);
return IRQ_NONE;
}
input = ((ret & WM831X_AUX_DATA_SRC_MASK)
>> WM831X_AUX_DATA_SRC_SHIFT) - 1;
if (input == 14)
input = WM831X_AUX_CAL;
val = ret & WM831X_AUX_DATA_MASK;
mutex_lock(&wm831x->auxadc_lock);
/* Disable this conversion, we're about to complete all users */
wm831x_set_bits(wm831x, WM831X_AUXADC_SOURCE,
1 << input, 0);
wm831x->auxadc_active &= ~(1 << input);
/* Turn off the entire convertor if idle */
if (!wm831x->auxadc_active)
wm831x_reg_write(wm831x, WM831X_AUXADC_CONTROL, 0);
/* Wake up any threads waiting for this request */
list_for_each_entry(req, &wm831x->auxadc_pending, list) {
if (req->input == input) {
req->val = val;
complete(&req->done);
}
}
mutex_unlock(&wm831x->auxadc_lock);
return IRQ_HANDLED;
}
static int wm831x_auxadc_read_polled(struct wm831x *wm831x,
enum wm831x_auxadc input)
{
int ret, src, timeout;
mutex_lock(&wm831x->auxadc_lock);
ret = wm831x_set_bits(wm831x, WM831X_AUXADC_CONTROL,
WM831X_AUX_ENA, WM831X_AUX_ENA);
if (ret < 0) {
dev_err(wm831x->dev, "Failed to enable AUXADC: %d\n", ret);
goto out;
}
/* We force a single source at present */
src = input;
ret = wm831x_reg_write(wm831x, WM831X_AUXADC_SOURCE,
1 << src);
if (ret < 0) {
dev_err(wm831x->dev, "Failed to set AUXADC source: %d\n", ret);
goto out;
}
ret = wm831x_set_bits(wm831x, WM831X_AUXADC_CONTROL,
WM831X_AUX_CVT_ENA, WM831X_AUX_CVT_ENA);
if (ret < 0) {
dev_err(wm831x->dev, "Failed to start AUXADC: %d\n", ret);
goto disable;
}
/* If we're not using interrupts then poll the
* interrupt status register */
timeout = 5;
while (timeout) {
msleep(1);
ret = wm831x_reg_read(wm831x,
WM831X_INTERRUPT_STATUS_1);
if (ret < 0) {
dev_err(wm831x->dev,
"ISR 1 read failed: %d\n", ret);
goto disable;
}
/* Did it complete? */
if (ret & WM831X_AUXADC_DATA_EINT) {
wm831x_reg_write(wm831x,
WM831X_INTERRUPT_STATUS_1,
WM831X_AUXADC_DATA_EINT);
break;
} else {
dev_err(wm831x->dev,
"AUXADC conversion timeout\n");
ret = -EBUSY;
goto disable;
}
}
ret = wm831x_reg_read(wm831x, WM831X_AUXADC_DATA);
if (ret < 0) {
dev_err(wm831x->dev,
"Failed to read AUXADC data: %d\n", ret);
goto disable;
}
src = ((ret & WM831X_AUX_DATA_SRC_MASK)
>> WM831X_AUX_DATA_SRC_SHIFT) - 1;
if (src == 14)
src = WM831X_AUX_CAL;
if (src != input) {
dev_err(wm831x->dev, "Data from source %d not %d\n",
src, input);
ret = -EINVAL;
} else {
ret &= WM831X_AUX_DATA_MASK;
}
disable:
wm831x_set_bits(wm831x, WM831X_AUXADC_CONTROL, WM831X_AUX_ENA, 0);
out:
mutex_unlock(&wm831x->auxadc_lock);
return ret;
}
/**
* wm831x_auxadc_read: Read a value from the WM831x AUXADC
*
* @wm831x: Device to read from.
* @input: AUXADC input to read.
*/
int wm831x_auxadc_read(struct wm831x *wm831x, enum wm831x_auxadc input)
{
return wm831x->auxadc_read(wm831x, input);
}
EXPORT_SYMBOL_GPL(wm831x_auxadc_read);
/**
* wm831x_auxadc_read_uv: Read a voltage from the WM831x AUXADC
*
* @wm831x: Device to read from.
* @input: AUXADC input to read.
*/
int wm831x_auxadc_read_uv(struct wm831x *wm831x, enum wm831x_auxadc input)
{
int ret;
ret = wm831x_auxadc_read(wm831x, input);
if (ret < 0)
return ret;
ret *= 1465;
return ret;
}
EXPORT_SYMBOL_GPL(wm831x_auxadc_read_uv);
void wm831x_auxadc_init(struct wm831x *wm831x)
{
int ret;
mutex_init(&wm831x->auxadc_lock);
INIT_LIST_HEAD(&wm831x->auxadc_pending);
if (wm831x->irq && wm831x->irq_base) {
wm831x->auxadc_read = wm831x_auxadc_read_irq;
ret = request_threaded_irq(wm831x->irq_base +
WM831X_IRQ_AUXADC_DATA,
NULL, wm831x_auxadc_irq, 0,
"auxadc", wm831x);
if (ret < 0) {
dev_err(wm831x->dev, "AUXADC IRQ request failed: %d\n",
ret);
wm831x->auxadc_read = NULL;
}
}
if (!wm831x->auxadc_read)
wm831x->auxadc_read = wm831x_auxadc_read_polled;
}
drivers/mfd/wm831x-core.c
View file @ 3da3f872
This diff is collapsed.
drivers/mfd/wm831x-irq.c
View file @ 3da3f872
......@@ -348,6 +348,15 @@ static void wm831x_irq_sync_unlock(struct irq_data *data)
struct wm831x *wm831x = irq_data_get_irq_chip_data(data);
int i;
for (i = 0; i < ARRAY_SIZE(wm831x->gpio_update); i++) {
if (wm831x->gpio_update[i]) {
wm831x_set_bits(wm831x, WM831X_GPIO1_CONTROL + i,
WM831X_GPN_INT_MODE | WM831X_GPN_POL,
wm831x->gpio_update[i]);
wm831x->gpio_update[i] = 0;
}
}
for (i = 0; i < ARRAY_SIZE(wm831x->irq_masks_cur); i++) {
/* If there's been a change in the mask write it back
* to the hardware. */
......@@ -387,7 +396,7 @@ static void wm831x_irq_disable(struct irq_data *data)
static int wm831x_irq_set_type(struct irq_data *data, unsigned int type)
{
struct wm831x *wm831x = irq_data_get_irq_chip_data(data);
int val, irq;
int irq;
irq = data->irq - wm831x->irq_base;
......@@ -399,22 +408,30 @@ static int wm831x_irq_set_type(struct irq_data *data, unsigned int type)
return -EINVAL;
}
/* Rebase the IRQ into the GPIO range so we've got a sensible array
* index.
*/
irq -= WM831X_IRQ_GPIO_1;
/* We set the high bit to flag that we need an update; don't
* do the update here as we can be called with the bus lock
* held.
*/
switch (type) {
case IRQ_TYPE_EDGE_BOTH:
val = WM831X_GPN_INT_MODE;
wm831x->gpio_update[irq] = 0x10000 | WM831X_GPN_INT_MODE;
break;
case IRQ_TYPE_EDGE_RISING:
val = WM831X_GPN_POL;
wm831x->gpio_update[irq] = 0x10000 | WM831X_GPN_POL;
break;
case IRQ_TYPE_EDGE_FALLING:
val = 0;
wm831x->gpio_update[irq] = 0x10000;
break;
default:
return -EINVAL;
}
return wm831x_set_bits(wm831x, WM831X_GPIO1_CONTROL + irq,
WM831X_GPN_INT_MODE | WM831X_GPN_POL, val);
return 0;
}
static struct irq_chip wm831x_irq_chip = {
......@@ -432,7 +449,7 @@ static irqreturn_t wm831x_irq_thread(int irq, void *data)
{
struct wm831x *wm831x = data;
unsigned int i;
int primary;
int primary, status_addr;
int status_regs[WM831X_NUM_IRQ_REGS] = { 0 };
int read[WM831X_NUM_IRQ_REGS] = { 0 };
int *status;
......@@ -467,8 +484,9 @@ static irqreturn_t wm831x_irq_thread(int irq, void *data)
/* Hopefully there should only be one register to read
* each time otherwise we ought to do a block read. */
if (!read[offset]) {
*status = wm831x_reg_read(wm831x,
irq_data_to_status_reg(&wm831x_irqs[i]));
status_addr = irq_data_to_status_reg(&wm831x_irqs[i]);
*status = wm831x_reg_read(wm831x, status_addr);
if (*status < 0) {
dev_err(wm831x->dev,
"Failed to read IRQ status: %d\n",
......@@ -477,26 +495,21 @@ static irqreturn_t wm831x_irq_thread(int irq, void *data)
}
read[offset] = 1;
/* Ignore any bits that we don't think are masked */
*status &= ~wm831x->irq_masks_cur[offset];
/* Acknowledge now so we don't miss
* notifications while we handle.
*/
wm831x_reg_write(wm831x, status_addr, *status);
}
/* Report it if it isn't masked, or forget the status. */
if ((*status & ~wm831x->irq_masks_cur[offset])
& wm831x_irqs[i].mask)
if (*status & wm831x_irqs[i].mask)
handle_nested_irq(wm831x->irq_base + i);
else
*status &= ~wm831x_irqs[i].mask;
}
out:
/* Touchscreen interrupts are handled specially in the driver */
status_regs[0] &= ~(WM831X_TCHDATA_EINT | WM831X_TCHPD_EINT);
for (i = 0; i < ARRAY_SIZE(status_regs); i++) {
if (status_regs[i])
wm831x_reg_write(wm831x, WM831X_INTERRUPT_STATUS_1 + i,
status_regs[i]);
}
return IRQ_HANDLED;
}
......@@ -515,13 +528,22 @@ int wm831x_irq_init(struct wm831x *wm831x, int irq)
0xffff);
}
if (!pdata || !pdata->irq_base) {
dev_err(wm831x->dev,
"No interrupt base specified, no interrupts\n");
/* Try to dynamically allocate IRQs if no base is specified */
if (!pdata || !pdata->irq_base)
wm831x->irq_base = -1;
else
wm831x->irq_base = pdata->irq_base;
wm831x->irq_base = irq_alloc_descs(wm831x->irq_base, 0,
WM831X_NUM_IRQS, 0);
if (wm831x->irq_base < 0) {
dev_warn(wm831x->dev, "Failed to allocate IRQs: %d\n",
wm831x->irq_base);
wm831x->irq_base = 0;
return 0;
}
if (pdata->irq_cmos)
if (pdata && pdata->irq_cmos)
i = 0;
else
i = WM831X_IRQ_OD;
......@@ -541,7 +563,6 @@ int wm831x_irq_init(struct wm831x *wm831x, int irq)
}
wm831x->irq = irq;
wm831x->irq_base = pdata->irq_base;
/* Register them with genirq */
for (cur_irq = wm831x->irq_base;
......
drivers/mfd/wm8350-irq.c
View file @ 3da3f872
......@@ -473,17 +473,13 @@ int wm8350_irq_init(struct wm8350 *wm8350, int irq,
{
int ret, cur_irq, i;
int flags = IRQF_ONESHOT;
int irq_base = -1;
if (!irq) {
dev_warn(wm8350->dev, "No interrupt support, no core IRQ\n");
return 0;
}
if (!pdata || !pdata->irq_base) {
dev_warn(wm8350->dev, "No interrupt support, no IRQ base\n");
return 0;
}
/* Mask top level interrupts */
wm8350_reg_write(wm8350, WM8350_SYSTEM_INTERRUPTS_MASK, 0xFFFF);
......@@ -502,7 +498,17 @@ int wm8350_irq_init(struct wm8350 *wm8350, int irq,
wm8350->chip_irq = irq;
wm8350->irq_base = pdata->irq_base;
if (pdata->irq_high) {
if (pdata && pdata->irq_base > 0)
irq_base = pdata->irq_base;
wm8350->irq_base = irq_alloc_descs(irq_base, 0, ARRAY_SIZE(wm8350_irqs), 0);
if (wm8350->irq_base < 0) {
dev_warn(wm8350->dev, "Allocating irqs failed with %d\n",
wm8350->irq_base);
return 0;
}
if (pdata && pdata->irq_high) {
flags |= IRQF_TRIGGER_HIGH;
wm8350_set_bits(wm8350, WM8350_SYSTEM_CONTROL_1,
......
drivers/mfd/wm8994-core.c
View file @ 3da3f872
......@@ -316,7 +316,7 @@ static int wm8994_suspend(struct device *dev)
static int wm8994_resume(struct device *dev)
{
struct wm8994 *wm8994 = dev_get_drvdata(dev);
int ret;
int ret, i;
/* We may have lied to the PM core about suspending */
if (!wm8994->suspended)
......@@ -329,10 +329,16 @@ static int wm8994_resume(struct device *dev)
return ret;
}
ret = wm8994_write(wm8994, WM8994_INTERRUPT_STATUS_1_MASK,
WM8994_NUM_IRQ_REGS * 2, &wm8994->irq_masks_cur);
if (ret < 0)
dev_err(dev, "Failed to restore interrupt masks: %d\n", ret);
/* Write register at a time as we use the cache on the CPU so store
* it in native endian.
*/
for (i = 0; i < ARRAY_SIZE(wm8994->irq_masks_cur); i++) {
ret = wm8994_reg_write(wm8994, WM8994_INTERRUPT_STATUS_1_MASK
+ i, wm8994->irq_masks_cur[i]);
if (ret < 0)
dev_err(dev, "Failed to restore interrupt masks: %d\n",
ret);
}
ret = wm8994_write(wm8994, WM8994_LDO_1, WM8994_NUM_LDO_REGS * 2,
&wm8994->ldo_regs);
......@@ -403,7 +409,7 @@ static int wm8994_device_init(struct wm8994 *wm8994, int irq)
break;
default:
BUG();
return -EINVAL;
goto err;
}
wm8994->supplies = kzalloc(sizeof(struct regulator_bulk_data) *
......@@ -425,7 +431,7 @@ static int wm8994_device_init(struct wm8994 *wm8994, int irq)
break;
default:
BUG();
return -EINVAL;
goto err;
}
ret = regulator_bulk_get(wm8994->dev, wm8994->num_supplies,
......@@ -476,13 +482,18 @@ static int wm8994_device_init(struct wm8994 *wm8994, int irq)
goto err_enable;
}
switch (ret) {
case 0:
case 1:
if (wm8994->type == WM8994)
switch (wm8994->type) {
case WM8994:
switch (ret) {
case 0:
case 1:
dev_warn(wm8994->dev,
"revision %c not fully supported\n",
'A' + ret);
break;
default:
break;
}
break;
default:
break;
......
drivers/mfd/wm8994-irq.c
View file @ 3da3f872
......@@ -231,12 +231,6 @@ static irqreturn_t wm8994_irq_thread(int irq, void *data)
status[i] &= ~wm8994->irq_masks_cur[i];
}
/* Report */
for (i = 0; i < ARRAY_SIZE(wm8994_irqs); i++) {
if (status[wm8994_irqs[i].reg - 1] & wm8994_irqs[i].mask)
handle_nested_irq(wm8994->irq_base + i);
}
/* Ack any unmasked IRQs */
for (i = 0; i < ARRAY_SIZE(status); i++) {
if (status[i])
......@@ -244,6 +238,12 @@ static irqreturn_t wm8994_irq_thread(int irq, void *data)
status[i]);
}
/* Report */
for (i = 0; i < ARRAY_SIZE(wm8994_irqs); i++) {
if (status[wm8994_irqs[i].reg - 1] & wm8994_irqs[i].mask)
handle_nested_irq(wm8994->irq_base + i);
}
return IRQ_HANDLED;
}
......
drivers/regulator/Kconfig
View file @ 3da3f872
......@@ -249,6 +249,12 @@ config REGULATOR_TPS6507X
three step-down converters and two general-purpose LDO voltage regulators.
It supports TI's software based Class-2 SmartReflex implementation.
config REGULATOR_TPS65912
tristate "TI TPS65912 Power regulator"
depends on (MFD_TPS65912_I2C || MFD_TPS65912_SPI)
help
This driver supports TPS65912 voltage regulator chip.
config REGULATOR_88PM8607
bool "Marvell 88PM8607 Power regulators"
depends on MFD_88PM860X=y
......@@ -304,5 +310,12 @@ config REGULATOR_TPS65910
help
This driver supports TPS65910 voltage regulator chips.
config REGULATOR_AAT2870
tristate "AnalogicTech AAT2870 Regulators"
depends on MFD_AAT2870_CORE
help
If you have a AnalogicTech AAT2870 say Y to enable the
regulator driver.
endif
drivers/regulator/Makefile
View file @ 3da3f872
......@@ -38,10 +38,12 @@ obj-$(CONFIG_REGULATOR_TPS6105X) += tps6105x-regulator.o
obj-$(CONFIG_REGULATOR_TPS65023) += tps65023-regulator.o
obj-$(CONFIG_REGULATOR_TPS6507X) += tps6507x-regulator.o
obj-$(CONFIG_REGULATOR_TPS6524X) += tps6524x-regulator.o
obj-$(CONFIG_REGULATOR_TPS65912) += tps65912-regulator.o
obj-$(CONFIG_REGULATOR_88PM8607) += 88pm8607.o
obj-$(CONFIG_REGULATOR_ISL6271A) += isl6271a-regulator.o
obj-$(CONFIG_REGULATOR_AB8500) += ab8500.o
obj-$(CONFIG_REGULATOR_DB8500_PRCMU) += db8500-prcmu.o
obj-$(CONFIG_REGULATOR_TPS65910) += tps65910-regulator.o
obj-$(CONFIG_REGULATOR_AAT2870) += aat2870-regulator.o
ccflags-$(CONFIG_REGULATOR_DEBUG) += -DDEBUG
drivers/regulator/aat2870-regulator.c 0 → 100644
View file @ 3da3f872
/*
* linux/drivers/regulator/aat2870-regulator.c
*
* Copyright (c) 2011, NVIDIA Corporation.
* Author: Jin Park <jinyoungp@nvidia.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.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/err.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/mfd/aat2870.h>
struct aat2870_regulator {
struct platform_device *pdev;
struct regulator_desc desc;
const int *voltages; /* uV */
int min_uV;
int max_uV;
u8 enable_addr;
u8 enable_shift;
u8 enable_mask;
u8 voltage_addr;
u8 voltage_shift;
u8 voltage_mask;
};
static int aat2870_ldo_list_voltage(struct regulator_dev *rdev,
unsigned selector)
{
struct aat2870_regulator *ri = rdev_get_drvdata(rdev);
return ri->voltages[selector];
}
static int aat2870_ldo_set_voltage_sel(struct regulator_dev *rdev,
unsigned selector)
{
struct aat2870_regulator *ri = rdev_get_drvdata(rdev);
struct aat2870_data *aat2870 = dev_get_drvdata(ri->pdev->dev.parent);
return aat2870->update(aat2870, ri->voltage_addr, ri->voltage_mask,
(selector << ri->voltage_shift) & ri->voltage_mask);
}
static int aat2870_ldo_get_voltage_sel(struct regulator_dev *rdev)
{
struct aat2870_regulator *ri = rdev_get_drvdata(rdev);
struct aat2870_data *aat2870 = dev_get_drvdata(ri->pdev->dev.parent);
u8 val;
int ret;
ret = aat2870->read(aat2870, ri->voltage_addr, &val);
if (ret)
return ret;
return (val & ri->voltage_mask) >> ri->voltage_shift;
}
static int aat2870_ldo_enable(struct regulator_dev *rdev)
{
struct aat2870_regulator *ri = rdev_get_drvdata(rdev);
struct aat2870_data *aat2870 = dev_get_drvdata(ri->pdev->dev.parent);
return aat2870->update(aat2870, ri->enable_addr, ri->enable_mask,
ri->enable_mask);
}
static int aat2870_ldo_disable(struct regulator_dev *rdev)
{
struct aat2870_regulator *ri = rdev_get_drvdata(rdev);
struct aat2870_data *aat2870 = dev_get_drvdata(ri->pdev->dev.parent);
return aat2870->update(aat2870, ri->enable_addr, ri->enable_mask, 0);
}
static int aat2870_ldo_is_enabled(struct regulator_dev *rdev)
{
struct aat2870_regulator *ri = rdev_get_drvdata(rdev);
struct aat2870_data *aat2870 = dev_get_drvdata(ri->pdev->dev.parent);
u8 val;
int ret;
ret = aat2870->read(aat2870, ri->enable_addr, &val);
if (ret)
return ret;
return val & ri->enable_mask ? 1 : 0;
}
static struct regulator_ops aat2870_ldo_ops = {
.list_voltage = aat2870_ldo_list_voltage,
.set_voltage_sel = aat2870_ldo_set_voltage_sel,
.get_voltage_sel = aat2870_ldo_get_voltage_sel,
.enable = aat2870_ldo_enable,
.disable = aat2870_ldo_disable,
.is_enabled = aat2870_ldo_is_enabled,
};
static const int aat2870_ldo_voltages[] = {
1200000, 1300000, 1500000, 1600000,
1800000, 2000000, 2200000, 2500000,
2600000, 2700000, 2800000, 2900000,
3000000, 3100000, 3200000, 3300000,
};
#define AAT2870_LDO(ids) \
{ \
.desc = { \
.name = #ids, \
.id = AAT2870_ID_##ids, \
.n_voltages = ARRAY_SIZE(aat2870_ldo_voltages), \
.ops = &aat2870_ldo_ops, \
.type = REGULATOR_VOLTAGE, \
.owner = THIS_MODULE, \
}, \
.voltages = aat2870_ldo_voltages, \
.min_uV = 1200000, \
.max_uV = 3300000, \
}
static struct aat2870_regulator aat2870_regulators[] = {
AAT2870_LDO(LDOA),
AAT2870_LDO(LDOB),
AAT2870_LDO(LDOC),
AAT2870_LDO(LDOD),
};
static struct aat2870_regulator *aat2870_get_regulator(int id)
{
struct aat2870_regulator *ri = NULL;
int i;
for (i = 0; i < ARRAY_SIZE(aat2870_regulators); i++) {
ri = &aat2870_regulators[i];
if (ri->desc.id == id)
break;
}
if (!ri)
return NULL;
ri->enable_addr = AAT2870_LDO_EN;
ri->enable_shift = id - AAT2870_ID_LDOA;
ri->enable_mask = 0x1 << ri->enable_shift;
ri->voltage_addr = (id - AAT2870_ID_LDOA) / 2 ?
AAT2870_LDO_CD : AAT2870_LDO_AB;
ri->voltage_shift = (id - AAT2870_ID_LDOA) % 2 ? 0 : 4;
ri->voltage_mask = 0xF << ri->voltage_shift;
return ri;
}
static int aat2870_regulator_probe(struct platform_device *pdev)
{
struct aat2870_regulator *ri;
struct regulator_dev *rdev;
ri = aat2870_get_regulator(pdev->id);
if (!ri) {
dev_err(&pdev->dev, "Invalid device ID, %d\n", pdev->id);
return -EINVAL;
}
ri->pdev = pdev;
rdev = regulator_register(&ri->desc, &pdev->dev,
pdev->dev.platform_data, ri);
if (IS_ERR(rdev)) {
dev_err(&pdev->dev, "Failed to register regulator %s\n",
ri->desc.name);
return PTR_ERR(rdev);
}
platform_set_drvdata(pdev, rdev);
return 0;
}
static int __devexit aat2870_regulator_remove(struct platform_device *pdev)
{
struct regulator_dev *rdev = platform_get_drvdata(pdev);
regulator_unregister(rdev);
return 0;
}
static struct platform_driver aat2870_regulator_driver = {
.driver = {
.name = "aat2870-regulator",
.owner = THIS_MODULE,
},
.probe = aat2870_regulator_probe,
.remove = __devexit_p(aat2870_regulator_remove),
};
static int __init aat2870_regulator_init(void)
{
return platform_driver_register(&aat2870_regulator_driver);
}
subsys_initcall(aat2870_regulator_init);
static void __exit aat2870_regulator_exit(void)
{
platform_driver_unregister(&aat2870_regulator_driver);
}
module_exit(aat2870_regulator_exit);
MODULE_DESCRIPTION("AnalogicTech AAT2870 Regulator");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Jin Park <jinyoungp@nvidia.com>");
drivers/regulator/tps65912-regulator.c 0 → 100644
View file @ 3da3f872
This diff is collapsed.
drivers/video/backlight/Kconfig
View file @ 3da3f872
......@@ -335,6 +335,13 @@ config BACKLIGHT_PCF50633
If you have a backlight driven by a NXP PCF50633 MFD, say Y here to
enable its driver.
config BACKLIGHT_AAT2870
bool "AnalogicTech AAT2870 Backlight"
depends on BACKLIGHT_CLASS_DEVICE && MFD_AAT2870_CORE
help
If you have a AnalogicTech AAT2870 say Y to enable the
backlight driver.
endif # BACKLIGHT_CLASS_DEVICE
endif # BACKLIGHT_LCD_SUPPORT
drivers/video/backlight/Makefile
View file @ 3da3f872
......@@ -38,4 +38,5 @@ obj-$(CONFIG_BACKLIGHT_ADP8860) += adp8860_bl.o
obj-$(CONFIG_BACKLIGHT_ADP8870) += adp8870_bl.o
obj-$(CONFIG_BACKLIGHT_88PM860X) += 88pm860x_bl.o
obj-$(CONFIG_BACKLIGHT_PCF50633) += pcf50633-backlight.o
obj-$(CONFIG_BACKLIGHT_AAT2870) += aat2870_bl.o
drivers/video/backlight/aat2870_bl.c 0 → 100644
View file @ 3da3f872
/*
* linux/drivers/video/backlight/aat2870_bl.c
*
* Copyright (c) 2011, NVIDIA Corporation.
* Author: Jin Park <jinyoungp@nvidia.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.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/mutex.h>
#include <linux/delay.h>
#include <linux/fb.h>
#include <linux/backlight.h>
#include <linux/mfd/aat2870.h>
struct aat2870_bl_driver_data {
struct platform_device *pdev;
struct backlight_device *bd;
int channels;
int max_current;
int brightness; /* current brightness */
};
static inline int aat2870_brightness(struct aat2870_bl_driver_data *aat2870_bl,
int brightness)
{
struct backlight_device *bd = aat2870_bl->bd;
int val;
val = brightness * aat2870_bl->max_current;
val /= bd->props.max_brightness;
return val;
}
static inline int aat2870_bl_enable(struct aat2870_bl_driver_data *aat2870_bl)
{
struct aat2870_data *aat2870
= dev_get_drvdata(aat2870_bl->pdev->dev.parent);
return aat2870->write(aat2870, AAT2870_BL_CH_EN,
(u8)aat2870_bl->channels);
}
static inline int aat2870_bl_disable(struct aat2870_bl_driver_data *aat2870_bl)
{
struct aat2870_data *aat2870
= dev_get_drvdata(aat2870_bl->pdev->dev.parent);
return aat2870->write(aat2870, AAT2870_BL_CH_EN, 0x0);
}
static int aat2870_bl_get_brightness(struct backlight_device *bd)
{
return bd->props.brightness;
}
static int aat2870_bl_update_status(struct backlight_device *bd)
{
struct aat2870_bl_driver_data *aat2870_bl = dev_get_drvdata(&bd->dev);
struct aat2870_data *aat2870 =
dev_get_drvdata(aat2870_bl->pdev->dev.parent);
int brightness = bd->props.brightness;
int ret;
if ((brightness < 0) || (bd->props.max_brightness < brightness)) {
dev_err(&bd->dev, "invalid brightness, %d\n", brightness);
return -EINVAL;
}
dev_dbg(&bd->dev, "brightness=%d, power=%d, state=%d\n",
bd->props.brightness, bd->props.power, bd->props.state);
if ((bd->props.power != FB_BLANK_UNBLANK) ||
(bd->props.state & BL_CORE_FBBLANK) ||
(bd->props.state & BL_CORE_SUSPENDED))
brightness = 0;
ret = aat2870->write(aat2870, AAT2870_BLM,
(u8)aat2870_brightness(aat2870_bl, brightness));
if (ret < 0)
return ret;
if (brightness == 0) {
ret = aat2870_bl_disable(aat2870_bl);
if (ret < 0)
return ret;
} else if (aat2870_bl->brightness == 0) {
ret = aat2870_bl_enable(aat2870_bl);
if (ret < 0)
return ret;
}
aat2870_bl->brightness = brightness;
return 0;
}
static int aat2870_bl_check_fb(struct backlight_device *bd, struct fb_info *fi)
{
return 1;
}
static const struct backlight_ops aat2870_bl_ops = {
.options = BL_CORE_SUSPENDRESUME,
.get_brightness = aat2870_bl_get_brightness,
.update_status = aat2870_bl_update_status,
.check_fb = aat2870_bl_check_fb,
};
static int aat2870_bl_probe(struct platform_device *pdev)
{
struct aat2870_bl_platform_data *pdata = pdev->dev.platform_data;
struct aat2870_bl_driver_data *aat2870_bl;
struct backlight_device *bd;
struct backlight_properties props;
int ret = 0;
if (!pdata) {
dev_err(&pdev->dev, "No platform data\n");
ret = -ENXIO;
goto out;
}
if (pdev->id != AAT2870_ID_BL) {
dev_err(&pdev->dev, "Invalid device ID, %d\n", pdev->id);
ret = -EINVAL;
goto out;
}
aat2870_bl = kzalloc(sizeof(struct aat2870_bl_driver_data), GFP_KERNEL);
if (!aat2870_bl) {
dev_err(&pdev->dev,
"Failed to allocate memory for aat2870 backlight\n");
ret = -ENOMEM;
goto out;
}
memset(&props, 0, sizeof(struct backlight_properties));
props.type = BACKLIGHT_RAW;
bd = backlight_device_register("aat2870-backlight", &pdev->dev,
aat2870_bl, &aat2870_bl_ops, &props);
if (!bd) {
dev_err(&pdev->dev,
"Failed allocate memory for backlight device\n");
ret = -ENOMEM;
goto out_kfree;
}
aat2870_bl->pdev = pdev;
platform_set_drvdata(pdev, aat2870_bl);
aat2870_bl->bd = bd;
if (pdata->channels > 0)
aat2870_bl->channels = pdata->channels;
else
aat2870_bl->channels = AAT2870_BL_CH_ALL;
if (pdata->max_brightness > 0)
aat2870_bl->max_current = pdata->max_current;
else
aat2870_bl->max_current = AAT2870_CURRENT_27_9;
if (pdata->max_brightness > 0)
bd->props.max_brightness = pdata->max_brightness;
else
bd->props.max_brightness = 255;
aat2870_bl->brightness = 0;
bd->props.power = FB_BLANK_UNBLANK;
bd->props.brightness = bd->props.max_brightness;
ret = aat2870_bl_update_status(bd);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to initialize\n");
goto out_bl_dev_unregister;
}
return 0;
out_bl_dev_unregister:
backlight_device_unregister(bd);
out_kfree:
kfree(aat2870_bl);
out:
return ret;
}
static int aat2870_bl_remove(struct platform_device *pdev)
{
struct aat2870_bl_driver_data *aat2870_bl = platform_get_drvdata(pdev);
struct backlight_device *bd = aat2870_bl->bd;
bd->props.power = FB_BLANK_POWERDOWN;
bd->props.brightness = 0;
backlight_update_status(bd);
backlight_device_unregister(bd);
kfree(aat2870_bl);
return 0;
}
static struct platform_driver aat2870_bl_driver = {
.driver = {
.name = "aat2870-backlight",
.owner = THIS_MODULE,
},
.probe = aat2870_bl_probe,
.remove = aat2870_bl_remove,
};
static int __init aat2870_bl_init(void)
{
return platform_driver_register(&aat2870_bl_driver);
}
subsys_initcall(aat2870_bl_init);
static void __exit aat2870_bl_exit(void)
{
platform_driver_unregister(&aat2870_bl_driver);
}
module_exit(aat2870_bl_exit);
MODULE_DESCRIPTION("AnalogicTech AAT2870 Backlight");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Jin Park <jinyoungp@nvidia.com>");
include/linux/mfd/aat2870.h 0 → 100644
View file @ 3da3f872
/*
* linux/include/linux/mfd/aat2870.h
*
* Copyright (c) 2011, NVIDIA Corporation.
* Author: Jin Park <jinyoungp@nvidia.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.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#ifndef __LINUX_MFD_AAT2870_H
#define __LINUX_MFD_AAT2870_H
#include <linux/debugfs.h>
#include <linux/i2c.h>
/* Register offsets */
#define AAT2870_BL_CH_EN 0x00
#define AAT2870_BLM 0x01
#define AAT2870_BLS 0x02
#define AAT2870_BL1 0x03
#define AAT2870_BL2 0x04
#define AAT2870_BL3 0x05
#define AAT2870_BL4 0x06
#define AAT2870_BL5 0x07
#define AAT2870_BL6 0x08
#define AAT2870_BL7 0x09
#define AAT2870_BL8 0x0A
#define AAT2870_FLR 0x0B
#define AAT2870_FM 0x0C
#define AAT2870_FS 0x0D
#define AAT2870_ALS_CFG0 0x0E
#define AAT2870_ALS_CFG1 0x0F
#define AAT2870_ALS_CFG2 0x10
#define AAT2870_AMB 0x11
#define AAT2870_ALS0 0x12
#define AAT2870_ALS1 0x13
#define AAT2870_ALS2 0x14
#define AAT2870_ALS3 0x15
#define AAT2870_ALS4 0x16
#define AAT2870_ALS5 0x17
#define AAT2870_ALS6 0x18
#define AAT2870_ALS7 0x19
#define AAT2870_ALS8 0x1A
#define AAT2870_ALS9 0x1B
#define AAT2870_ALSA 0x1C
#define AAT2870_ALSB 0x1D
#define AAT2870_ALSC 0x1E
#define AAT2870_ALSD 0x1F
#define AAT2870_ALSE 0x20
#define AAT2870_ALSF 0x21
#define AAT2870_SUB_SET 0x22
#define AAT2870_SUB_CTRL 0x23
#define AAT2870_LDO_AB 0x24
#define AAT2870_LDO_CD 0x25
#define AAT2870_LDO_EN 0x26
#define AAT2870_REG_NUM 0x27
/* Device IDs */
enum aat2870_id {
AAT2870_ID_BL,
AAT2870_ID_LDOA,
AAT2870_ID_LDOB,
AAT2870_ID_LDOC,
AAT2870_ID_LDOD
};
/* Backlight channels */
#define AAT2870_BL_CH1 0x01
#define AAT2870_BL_CH2 0x02
#define AAT2870_BL_CH3 0x04
#define AAT2870_BL_CH4 0x08
#define AAT2870_BL_CH5 0x10
#define AAT2870_BL_CH6 0x20
#define AAT2870_BL_CH7 0x40
#define AAT2870_BL_CH8 0x80
#define AAT2870_BL_CH_ALL 0xFF
/* Backlight current magnitude (mA) */
enum aat2870_current {
AAT2870_CURRENT_0_45,
AAT2870_CURRENT_0_90,
AAT2870_CURRENT_1_80,
AAT2870_CURRENT_2_70,
AAT2870_CURRENT_3_60,
AAT2870_CURRENT_4_50,
AAT2870_CURRENT_5_40,
AAT2870_CURRENT_6_30,
AAT2870_CURRENT_7_20,
AAT2870_CURRENT_8_10,
AAT2870_CURRENT_9_00,
AAT2870_CURRENT_9_90,
AAT2870_CURRENT_10_8,
AAT2870_CURRENT_11_7,
AAT2870_CURRENT_12_6,
AAT2870_CURRENT_13_5,
AAT2870_CURRENT_14_4,
AAT2870_CURRENT_15_3,
AAT2870_CURRENT_16_2,
AAT2870_CURRENT_17_1,
AAT2870_CURRENT_18_0,
AAT2870_CURRENT_18_9,
AAT2870_CURRENT_19_8,
AAT2870_CURRENT_20_7,
AAT2870_CURRENT_21_6,
AAT2870_CURRENT_22_5,
AAT2870_CURRENT_23_4,
AAT2870_CURRENT_24_3,
AAT2870_CURRENT_25_2,
AAT2870_CURRENT_26_1,
AAT2870_CURRENT_27_0,
AAT2870_CURRENT_27_9
};
struct aat2870_register {
bool readable;
bool writeable;
u8 value;
};
struct aat2870_data {
struct device *dev;
struct i2c_client *client;
struct mutex io_lock;
struct aat2870_register *reg_cache; /* register cache */
int en_pin; /* enable GPIO pin (if < 0, ignore this value) */
bool is_enable;
/* init and uninit for platform specified */
int (*init)(struct aat2870_data *aat2870);
void (*uninit)(struct aat2870_data *aat2870);
/* i2c io funcntions */
int (*read)(struct aat2870_data *aat2870, u8 addr, u8 *val);
int (*write)(struct aat2870_data *aat2870, u8 addr, u8 val);
int (*update)(struct aat2870_data *aat2870, u8 addr, u8 mask, u8 val);
/* for debugfs */
struct dentry *dentry_root;
struct dentry *dentry_reg;
};
struct aat2870_subdev_info {
int id;
const char *name;
void *platform_data;
};
struct aat2870_platform_data {
int en_pin; /* enable GPIO pin (if < 0, ignore this value) */
struct aat2870_subdev_info *subdevs;
int num_subdevs;
/* init and uninit for platform specified */
int (*init)(struct aat2870_data *aat2870);
void (*uninit)(struct aat2870_data *aat2870);
};
struct aat2870_bl_platform_data {
/* backlight channels, default is AAT2870_BL_CH_ALL */
int channels;
/* backlight current magnitude, default is AAT2870_CURRENT_27_9 */
int max_current;
/* maximum brightness, default is 255 */
int max_brightness;
};
#endif /* __LINUX_MFD_AAT2870_H */
include/linux/mfd/ab8500.h
View file @ 3da3f872
......@@ -28,6 +28,7 @@
#define AB8500_INTERRUPT 0xE
#define AB8500_RTC 0xF
#define AB8500_MISC 0x10
#define AB8500_DEVELOPMENT 0x11
#define AB8500_DEBUG 0x12
#define AB8500_PROD_TEST 0x13
#define AB8500_OTP_EMUL 0x15
......@@ -74,13 +75,6 @@
#define AB8500_INT_ACC_DETECT_21DB_F 37
#define AB8500_INT_ACC_DETECT_21DB_R 38
#define AB8500_INT_GP_SW_ADC_CONV_END 39
#define AB8500_INT_ACC_DETECT_1DB_F 33
#define AB8500_INT_ACC_DETECT_1DB_R 34
#define AB8500_INT_ACC_DETECT_22DB_F 35
#define AB8500_INT_ACC_DETECT_22DB_R 36
#define AB8500_INT_ACC_DETECT_21DB_F 37
#define AB8500_INT_ACC_DETECT_21DB_R 38
#define AB8500_INT_GP_SW_ADC_CONV_END 39
#define AB8500_INT_GPIO6R 40
#define AB8500_INT_GPIO7R 41
#define AB8500_INT_GPIO8R 42
......
include/linux/mfd/stmpe.h
View file @ 3da3f872
......@@ -57,6 +57,7 @@ struct stmpe_variant_info;
* @irq_lock: IRQ bus lock
* @dev: device, mostly for dev_dbg()
* @i2c: i2c client
* @partnum: part number
* @variant: the detected STMPE model number
* @regs: list of addresses of registers which are at different addresses on
* different variants. Indexed by one of STMPE_IDX_*.
......@@ -121,6 +122,8 @@ struct stmpe_keypad_platform_data {
* @norequest_mask: bitmask specifying which GPIOs should _not_ be
* requestable due to different usage (e.g. touch, keypad)
* STMPE_GPIO_NOREQ_* macros can be used here.
* @setup: board specific setup callback.
* @remove: board specific remove callback
*/
struct stmpe_gpio_platform_data {
int gpio_base;
......
include/linux/mfd/tps65910.h
View file @ 3da3f872
......@@ -791,6 +791,7 @@ int tps65910_clear_bits(struct tps65910 *tps65910, u8 reg, u8 mask);
void tps65910_gpio_init(struct tps65910 *tps65910, int gpio_base);
int tps65910_irq_init(struct tps65910 *tps65910, int irq,
struct tps65910_platform_data *pdata);
int tps65910_irq_exit(struct tps65910 *tps65910);
static inline int tps65910_chip_id(struct tps65910 *tps65910)
{
......
include/linux/mfd/tps65912.h 0 → 100644
View file @ 3da3f872
This diff is collapsed.
include/linux/mfd/wm831x/core.h
View file @ 3da3f872
This diff is collapsed.
include/linux/mfd/wm831x/pdata.h
View file @ 3da3f872
......@@ -120,6 +120,9 @@ struct wm831x_pdata {
/** Put the /IRQ line into CMOS mode */
bool irq_cmos;
/** Disable the touchscreen */
bool disable_touch;
int irq_base;
int gpio_base;
int gpio_defaults[WM831X_GPIO_NUM];
......
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