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GPIO: TPS65910: Move driver to drivers/gpio/

Browse source 
The GPIO driver should reside in drivers/gpio/ for better
organization.

Signed-off-by: Jorge Eduardo Candelaria <[email protected]>
Acked-by: Grant Likely <[email protected]>
Signed-off-by: Liam Girdwood <[email protected]>
This commit is contained in:
Jorge Eduardo Candelaria 2011-05-16 18:35:37 -05:00 • committed by Liam Girdwood
commit 83545d836c
5 changed files with 11 additions and 2 deletions
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7
drivers/gpio/Kconfig
View file

@ -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
drivers/gpio/Makefile
View file

@ -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

91
drivers/gpio/tps65910-gpio.c Normal file
View file

@ -0,0 +1,91 @@
/*
* 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, 1, &val);
if (val & GPIO0_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,
GPIO0_GPIO_SET_MASK);
else
tps65910_clear_bits(tps65910, TPS65910_GPIO0,
GPIO0_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, GPIO0_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,
GPIO0_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;
tps65910->gpio.ngpio = 1;
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);
}