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Commit f7fc06e3 authored by Linus Torvalds's avatar Linus Torvalds
Browse files
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6: (42 commits)
  regulator: Fix _regulator_get_voltage if get_voltage callback is NULL
  USB: TWL6025 allow different regulator name
  REGULATOR: TWL6025: add support to twl-regulator
  regulator: twl6030: do not write to _GRP for regulator disable
  regulator: twl6030: do not write to _GRP for regulator enable
  TPS65911: Comparator: Add comparator driver
  TPS65911: Add support for added GPIO lines
  GPIO: TPS65910: Move driver to drivers/gpio/
  TPS65911: Add new irq definitions
  regulator: tps65911: Add new chip version
  MFD: TPS65910: Add support for TPS65911 device
  regulator: Fix off-by-one value range checking for mc13xxx_regulator_get_voltage
  regulator: mc13892: Fix voltage unit in test case.
  regulator: Remove MAX8997_REG_BUCK1DVS/MAX8997_REG_BUCK2DVS/MAX8997_REG_BUCK5DVS macros
  mfd: Fix off-by-one value range checking for tps65910_i2c_write
  regulator: Only apply voltage constraints from consumers that set them
  regulator: If we can't configure optimum mode we're always in the best one
  regulator: max8997: remove useless code
  regulator: Fix memory leak in max8998_pmic_probe failure path
  regulator: Fix desc_id for tps65023/6507x/65910
  ...
parents ea0ca3a8 cb220d16
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+2 −2
Original line number Diff line number Diff line
@@ -53,11 +53,11 @@ static struct regulator_init_data regulator1_data = {

Regulator-1 supplies power to Regulator-2. This relationship must be registered
with the core so that Regulator-1 is also enabled when Consumer A enables its
supply (Regulator-2). The supply regulator is set by the supply_regulator_dev
supply (Regulator-2). The supply regulator is set by the supply_regulator
field below:-

static struct regulator_init_data regulator2_data = {
	.supply_regulator_dev = &platform_regulator1_device.dev,
	.supply_regulator = "regulator_name",
	.constraints = {
		.min_uV = 1800000,
		.max_uV = 2000000,
+7 −0
Original line number Diff line number Diff line
@@ -424,4 +424,11 @@ config AB8500_GPIO
	depends on AB8500_CORE && BROKEN
	help
	  Select this to enable the AB8500 IC GPIO driver

config GPIO_TPS65910
	bool "TPS65910 GPIO"
	depends on MFD_TPS65910
	help
	  Select this option to enable GPIO driver for the TPS65910
	  chip family.
endif
+1 −0
Original line number Diff line number Diff line
@@ -40,3 +40,4 @@ obj-$(CONFIG_GPIO_SX150X) += sx150x.o
obj-$(CONFIG_GPIO_VX855)	+= vx855_gpio.o
obj-$(CONFIG_GPIO_ML_IOH)	+= ml_ioh_gpio.o
obj-$(CONFIG_AB8500_GPIO)       += ab8500-gpio.o
obj-$(CONFIG_GPIO_TPS65910)	+= tps65910-gpio.o
+100 −0
Original line number Diff line number Diff line
/*
 * tps65910-gpio.c  --  TI TPS6591x
 *
 * Copyright 2010 Texas Instruments Inc.
 *
 * Author: Graeme Gregory <gg@slimlogic.co.uk>
 * Author: Jorge Eduardo Candelaria jedu@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.
 *
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/gpio.h>
#include <linux/i2c.h>
#include <linux/mfd/tps65910.h>

static int tps65910_gpio_get(struct gpio_chip *gc, unsigned offset)
{
	struct tps65910 *tps65910 = container_of(gc, struct tps65910, gpio);
	uint8_t val;

	tps65910->read(tps65910, TPS65910_GPIO0 + offset, 1, &val);

	if (val & GPIO_STS_MASK)
		return 1;

	return 0;
}

static void tps65910_gpio_set(struct gpio_chip *gc, unsigned offset,
			      int value)
{
	struct tps65910 *tps65910 = container_of(gc, struct tps65910, gpio);

	if (value)
		tps65910_set_bits(tps65910, TPS65910_GPIO0 + offset,
						GPIO_SET_MASK);
	else
		tps65910_clear_bits(tps65910, TPS65910_GPIO0 + offset,
						GPIO_SET_MASK);
}

static int tps65910_gpio_output(struct gpio_chip *gc, unsigned offset,
				int value)
{
	struct tps65910 *tps65910 = container_of(gc, struct tps65910, gpio);

	/* Set the initial value */
	tps65910_gpio_set(gc, 0, value);

	return tps65910_set_bits(tps65910, TPS65910_GPIO0 + offset,
						GPIO_CFG_MASK);
}

static int tps65910_gpio_input(struct gpio_chip *gc, unsigned offset)
{
	struct tps65910 *tps65910 = container_of(gc, struct tps65910, gpio);

	return tps65910_clear_bits(tps65910, TPS65910_GPIO0 + offset,
						GPIO_CFG_MASK);
}

void tps65910_gpio_init(struct tps65910 *tps65910, int gpio_base)
{
	int ret;

	if (!gpio_base)
		return;

	tps65910->gpio.owner		= THIS_MODULE;
	tps65910->gpio.label		= tps65910->i2c_client->name;
	tps65910->gpio.dev		= tps65910->dev;
	tps65910->gpio.base		= gpio_base;

	switch(tps65910_chip_id(tps65910)) {
	case TPS65910:
		tps65910->gpio.ngpio	= 6;
	case TPS65911:
		tps65910->gpio.ngpio	= 9;
	default:
		return;
	}
	tps65910->gpio.can_sleep	= 1;

	tps65910->gpio.direction_input	= tps65910_gpio_input;
	tps65910->gpio.direction_output	= tps65910_gpio_output;
	tps65910->gpio.set		= tps65910_gpio_set;
	tps65910->gpio.get		= tps65910_gpio_get;

	ret = gpiochip_add(&tps65910->gpio);

	if (ret)
		dev_warn(tps65910->dev, "GPIO registration failed: %d\n", ret);
}
+9 −0
Original line number Diff line number Diff line
@@ -719,6 +719,15 @@ 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
	select MFD_CORE
	select GPIO_TPS65910
	help
	  if you say yes here you get support for the TPS65910 series of
	  Power Management chips.

endif # MFD_SUPPORT

menu "Multimedia Capabilities Port drivers"
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