mcs814x: remove linux 3.3 support

[openwrt/svn-archive/archive.git] / target / linux / mcs814x / files-3.3 / drivers / gpio / gpio-mcs814x.c

diff --git a/target/linux/mcs814x/files-3.3/drivers/gpio/gpio-mcs814x.c b/target/linux/mcs814x/files-3.3/drivers/gpio/gpio-mcs814x.c
deleted file mode 100644 (file)
index f138229..0000000
--- a/target/linux/mcs814x/files-3.3/drivers/gpio/gpio-mcs814x.c
+++ /dev/null
@@ -1,148 +0,0 @@
-/*
- * Moschip MCS814x GPIO support
- *
- * Copyright (C) 2012, Florian Fainelli <florian@openwrt.org>
- *
- * Licensed under the GPLv2
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/platform_device.h>
-#include <linux/gpio.h>
-#include <linux/io.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-
-struct mcs814x_gpio_chip {
-       void __iomem *regs;
-       struct gpio_chip chip;
-};
-
-#define GPIO_PIN       0x00
-#define GPIO_DIR       0x04
-
-#define to_mcs814x_gpio_chip(x)        container_of(x, struct mcs814x_gpio_chip, chip)
-
-static int mcs814x_gpio_get(struct gpio_chip *chip, unsigned offset)
-{
-       struct mcs814x_gpio_chip *mcs814x = to_mcs814x_gpio_chip(chip);
-
-       return readl_relaxed(mcs814x->regs + GPIO_PIN) & (1 << offset);
-}
-
-static void mcs814x_gpio_set(struct gpio_chip *chip,
-                               unsigned offset, int value)
-{
-       struct mcs814x_gpio_chip *mcs814x = to_mcs814x_gpio_chip(chip);
-       u32 mask;
-
-       mask = readl_relaxed(mcs814x->regs + GPIO_PIN);
-       if (value)
-               mask |= (1 << offset);
-       else
-               mask &= ~(1 << offset);
-       writel_relaxed(mask, mcs814x->regs + GPIO_PIN);
-}
-
-static int mcs814x_gpio_direction_output(struct gpio_chip *chip,
-                                       unsigned offset, int value)
-{
-       struct mcs814x_gpio_chip *mcs814x = to_mcs814x_gpio_chip(chip);
-       u32 mask;
-
-       mask = readl_relaxed(mcs814x->regs + GPIO_DIR);
-       mask &= ~(1 << offset);
-       writel_relaxed(mask, mcs814x->regs + GPIO_DIR);
-
-       return 0;
-}
-
-static int mcs814x_gpio_direction_input(struct gpio_chip *chip,
-                                       unsigned offset)
-{
-       struct mcs814x_gpio_chip *mcs814x = to_mcs814x_gpio_chip(chip);
-       u32 mask;
-
-       mask = readl_relaxed(mcs814x->regs + GPIO_DIR);
-       mask |= (1 << offset);
-       writel_relaxed(mask, mcs814x->regs + GPIO_DIR);
-
-       return 0;
-}
-
-static int __devinit mcs814x_gpio_probe(struct platform_device *pdev)
-{
-       struct resource *res;
-       struct mcs814x_gpio_chip *mcs814x_chip;
-       int ret;
-       const unsigned int *num_gpios;
-
-       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       if (!res)
-               return -ENODEV;
-
-       num_gpios = of_get_property(pdev->dev.of_node, "num-gpios", NULL);
-       if (!num_gpios)
-               dev_err(&pdev->dev, "FIXME: no num-gpios property\n");
-
-       mcs814x_chip = kzalloc(sizeof(*mcs814x_chip), GFP_KERNEL);
-       if (!mcs814x_chip)
-               return -ENOMEM;
-
-       mcs814x_chip->regs = devm_request_and_ioremap(&pdev->dev, res);
-       if (!mcs814x_chip->regs) {
-               ret = -ENOMEM;
-               goto out;
-       }
-
-       platform_set_drvdata(pdev, mcs814x_chip);
-
-#ifdef CONFIG_OF_GPIO
-       mcs814x_chip->chip.of_node = pdev->dev.of_node;
-#endif
-
-       mcs814x_chip->chip.label = pdev->name;
-       mcs814x_chip->chip.get = mcs814x_gpio_get;
-       mcs814x_chip->chip.set = mcs814x_gpio_set;
-       mcs814x_chip->chip.direction_input = mcs814x_gpio_direction_input;
-       mcs814x_chip->chip.direction_output = mcs814x_gpio_direction_output;
-       mcs814x_chip->chip.ngpio = be32_to_cpup(num_gpios);
-       /* we want dynamic base allocation */
-       mcs814x_chip->chip.base = -1;
-
-       ret = gpiochip_add(&mcs814x_chip->chip);
-       if (ret) {
-               dev_err(&pdev->dev, "failed to register gpiochip\n");
-               goto out;
-       }
-
-       return 0;
-
-out:
-       platform_set_drvdata(pdev, NULL);
-       kfree(mcs814x_chip);
-       return ret;
-}
-
-static struct of_device_id mcs814x_gpio_ids[] __devinitdata = {
-       { .compatible = "moschip,mcs814x-gpio" },
-       { /* sentinel */ },
-};
-
-static struct platform_driver mcs814x_gpio_driver = {
-       .driver = {
-               .name   = "mcs814x-gpio",
-               .owner  = THIS_MODULE,
-               .of_match_table = mcs814x_gpio_ids,
-       },
-       .probe  = mcs814x_gpio_probe,
-};
-
-int __init mcs814x_gpio_init(void)
-{
-       return platform_driver_register(&mcs814x_gpio_driver);
-}
-postcore_initcall(mcs814x_gpio_init);