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authorGrant Likely <grant.likely@secretlab.ca>2011-06-04 18:38:28 -0600
committerGrant Likely <grant.likely@secretlab.ca>2011-06-06 10:10:11 -0600
commitc103de240439dfee24ac50eb99c8be3a30d13323 (patch)
tree014eeda779510d7d3dfabd1183ce7f1a288d367b /drivers/gpio/wm8350-gpiolib.c
parent8c31b1635b91e48f867e010cd7bcd06393e5858a (diff)
downloadop-kernel-dev-c103de240439dfee24ac50eb99c8be3a30d13323.zip
op-kernel-dev-c103de240439dfee24ac50eb99c8be3a30d13323.tar.gz
gpio: reorganize drivers
Sort the gpio makefile and enforce the naming convention gpio-*.c for gpio drivers. v2: cleaned up filenames in Kconfig and comment blocks v3: fixup use of BASIC_MMIO to GENERIC_GPIO for mxc Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'drivers/gpio/wm8350-gpiolib.c')
-rw-r--r--drivers/gpio/wm8350-gpiolib.c182
1 files changed, 0 insertions, 182 deletions
diff --git a/drivers/gpio/wm8350-gpiolib.c b/drivers/gpio/wm8350-gpiolib.c
deleted file mode 100644
index 3599992..0000000
--- a/drivers/gpio/wm8350-gpiolib.c
+++ /dev/null
@@ -1,182 +0,0 @@
-/*
- * wm835x-gpiolib.c -- gpiolib support for Wolfson WM835x PMICs
- *
- * Copyright 2009 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/slab.h>
-#include <linux/module.h>
-#include <linux/gpio.h>
-#include <linux/mfd/core.h>
-#include <linux/platform_device.h>
-#include <linux/seq_file.h>
-
-#include <linux/mfd/wm8350/core.h>
-#include <linux/mfd/wm8350/gpio.h>
-
-struct wm8350_gpio_data {
- struct wm8350 *wm8350;
- struct gpio_chip gpio_chip;
-};
-
-static inline struct wm8350_gpio_data *to_wm8350_gpio(struct gpio_chip *chip)
-{
- return container_of(chip, struct wm8350_gpio_data, gpio_chip);
-}
-
-static int wm8350_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
-{
- struct wm8350_gpio_data *wm8350_gpio = to_wm8350_gpio(chip);
- struct wm8350 *wm8350 = wm8350_gpio->wm8350;
-
- return wm8350_set_bits(wm8350, WM8350_GPIO_CONFIGURATION_I_O,
- 1 << offset);
-}
-
-static int wm8350_gpio_get(struct gpio_chip *chip, unsigned offset)
-{
- struct wm8350_gpio_data *wm8350_gpio = to_wm8350_gpio(chip);
- struct wm8350 *wm8350 = wm8350_gpio->wm8350;
- int ret;
-
- ret = wm8350_reg_read(wm8350, WM8350_GPIO_LEVEL);
- if (ret < 0)
- return ret;
-
- if (ret & (1 << offset))
- return 1;
- else
- return 0;
-}
-
-static void wm8350_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
-{
- struct wm8350_gpio_data *wm8350_gpio = to_wm8350_gpio(chip);
- struct wm8350 *wm8350 = wm8350_gpio->wm8350;
-
- if (value)
- wm8350_set_bits(wm8350, WM8350_GPIO_LEVEL, 1 << offset);
- else
- wm8350_clear_bits(wm8350, WM8350_GPIO_LEVEL, 1 << offset);
-}
-
-static int wm8350_gpio_direction_out(struct gpio_chip *chip,
- unsigned offset, int value)
-{
- struct wm8350_gpio_data *wm8350_gpio = to_wm8350_gpio(chip);
- struct wm8350 *wm8350 = wm8350_gpio->wm8350;
- int ret;
-
- ret = wm8350_clear_bits(wm8350, WM8350_GPIO_CONFIGURATION_I_O,
- 1 << offset);
- if (ret < 0)
- return ret;
-
- /* Don't have an atomic direction/value setup */
- wm8350_gpio_set(chip, offset, value);
-
- return 0;
-}
-
-static int wm8350_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
-{
- struct wm8350_gpio_data *wm8350_gpio = to_wm8350_gpio(chip);
- struct wm8350 *wm8350 = wm8350_gpio->wm8350;
-
- if (!wm8350->irq_base)
- return -EINVAL;
-
- return wm8350->irq_base + WM8350_IRQ_GPIO(offset);
-}
-
-static struct gpio_chip template_chip = {
- .label = "wm8350",
- .owner = THIS_MODULE,
- .direction_input = wm8350_gpio_direction_in,
- .get = wm8350_gpio_get,
- .direction_output = wm8350_gpio_direction_out,
- .set = wm8350_gpio_set,
- .to_irq = wm8350_gpio_to_irq,
- .can_sleep = 1,
-};
-
-static int __devinit wm8350_gpio_probe(struct platform_device *pdev)
-{
- struct wm8350 *wm8350 = dev_get_drvdata(pdev->dev.parent);
- struct wm8350_platform_data *pdata = wm8350->dev->platform_data;
- struct wm8350_gpio_data *wm8350_gpio;
- int ret;
-
- wm8350_gpio = kzalloc(sizeof(*wm8350_gpio), GFP_KERNEL);
- if (wm8350_gpio == NULL)
- return -ENOMEM;
-
- wm8350_gpio->wm8350 = wm8350;
- wm8350_gpio->gpio_chip = template_chip;
- wm8350_gpio->gpio_chip.ngpio = 13;
- wm8350_gpio->gpio_chip.dev = &pdev->dev;
- if (pdata && pdata->gpio_base)
- wm8350_gpio->gpio_chip.base = pdata->gpio_base;
- else
- wm8350_gpio->gpio_chip.base = -1;
-
- ret = gpiochip_add(&wm8350_gpio->gpio_chip);
- if (ret < 0) {
- dev_err(&pdev->dev, "Could not register gpiochip, %d\n",
- ret);
- goto err;
- }
-
- platform_set_drvdata(pdev, wm8350_gpio);
-
- return ret;
-
-err:
- kfree(wm8350_gpio);
- return ret;
-}
-
-static int __devexit wm8350_gpio_remove(struct platform_device *pdev)
-{
- struct wm8350_gpio_data *wm8350_gpio = platform_get_drvdata(pdev);
- int ret;
-
- ret = gpiochip_remove(&wm8350_gpio->gpio_chip);
- if (ret == 0)
- kfree(wm8350_gpio);
-
- return ret;
-}
-
-static struct platform_driver wm8350_gpio_driver = {
- .driver.name = "wm8350-gpio",
- .driver.owner = THIS_MODULE,
- .probe = wm8350_gpio_probe,
- .remove = __devexit_p(wm8350_gpio_remove),
-};
-
-static int __init wm8350_gpio_init(void)
-{
- return platform_driver_register(&wm8350_gpio_driver);
-}
-subsys_initcall(wm8350_gpio_init);
-
-static void __exit wm8350_gpio_exit(void)
-{
- platform_driver_unregister(&wm8350_gpio_driver);
-}
-module_exit(wm8350_gpio_exit);
-
-MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
-MODULE_DESCRIPTION("GPIO interface for WM8350 PMICs");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:wm8350-gpio");
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