ARM: i.MX: Move GPIO driver to drivers/gpio

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 0 insertions, 207 deletions

diff --git a/arch/arm/mach-imx/gpio.c b/arch/arm/mach-imx/gpio.c
deleted file mode 100644
index 1bf4100964..0000000000
--- a/arch/arm/mach-imx/gpio.c
+++ /dev/null
@@ -1,207 +0,0 @@
-/*
- *  arch/arm/mach-imx/gpio.c
- *
- *  author: Sascha Hauer
- *  Created: april 20th, 2004
- *  Copyright: Synertronixx GmbH
- *
- *  Common code for i.MX machines
- *
- * 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 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.
- *
- *
- */
-
-#include <common.h>
-#include <errno.h>
-#include <io.h>
-#include <gpio.h>
-#include <init.h>
-
-struct imx_gpio_chip {
-	void __iomem *base;
-	struct gpio_chip chip;
-	struct imx_gpio_regs *regs;
-};
-
-struct imx_gpio_regs {
-	unsigned int dr;
-	unsigned int gdir;
-	unsigned int psr;
-};
-
-static struct imx_gpio_regs regs_imx1 = {
-	.dr = 0x1c,
-	.gdir = 0x00,
-	.psr = 0x24,
-};
-
-static struct imx_gpio_regs regs_imx31 = {
-	.dr = 0x00,
-	.gdir = 0x04,
-	.psr = 0x08,
-};
-
-static void imx_gpio_set_value(struct gpio_chip *chip, unsigned gpio, int value)
-{
-	struct imx_gpio_chip *imxgpio = container_of(chip, struct imx_gpio_chip, chip);
-	void __iomem *base = imxgpio->base;
-	u32 val;
-
-	if (!base)
-		return;
-
-	val = readl(base + imxgpio->regs->dr);
-
-	if (value)
-		val |= 1 << gpio;
-	else
-		val &= ~(1 << gpio);
-
-	writel(val, base + imxgpio->regs->dr);
-}
-
-static int imx_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
-{
-	struct imx_gpio_chip *imxgpio = container_of(chip, struct imx_gpio_chip, chip);
-	void __iomem *base = imxgpio->base;
-	u32 val;
-
-	if (!base)
-		return -EINVAL;
-
-	val = readl(base + imxgpio->regs->gdir);
-	val &= ~(1 << gpio);
-	writel(val, base + imxgpio->regs->gdir);
-
-	return 0;
-}
-
-
-static int imx_gpio_direction_output(struct gpio_chip *chip, unsigned gpio, int value)
-{
-	struct imx_gpio_chip *imxgpio = container_of(chip, struct imx_gpio_chip, chip);
-	void __iomem *base = imxgpio->base;
-	u32 val;
-
-	gpio_set_value(gpio + chip->base, value);
-
-	val = readl(base + imxgpio->regs->gdir);
-	val |= 1 << gpio;
-	writel(val, base + imxgpio->regs->gdir);
-
-	return 0;
-}
-
-static int imx_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
-{
-	struct imx_gpio_chip *imxgpio = container_of(chip, struct imx_gpio_chip, chip);
-	void __iomem *base = imxgpio->base;
-	u32 val;
-
-	val = readl(base + imxgpio->regs->psr);
-
-	return val & (1 << gpio) ? 1 : 0;
-}
-
-static struct gpio_ops imx_gpio_ops = {
-	.direction_input = imx_gpio_direction_input,
-	.direction_output = imx_gpio_direction_output,
-	.get = imx_gpio_get_value,
-	.set = imx_gpio_set_value,
-};
-
-static int imx_gpio_probe(struct device_d *dev)
-{
-	struct imx_gpio_chip *imxgpio;
-	struct imx_gpio_regs *regs;
-	int ret;
-
-	ret = dev_get_drvdata(dev, (unsigned long *)&regs);
-	if (ret)
-		return ret;
-
-	imxgpio = xzalloc(sizeof(*imxgpio));
-	imxgpio->base = dev_request_mem_region(dev, 0);
-	imxgpio->chip.ops = &imx_gpio_ops;
-	if (dev->id < 0) {
-		imxgpio->chip.base = of_alias_get_id(dev->device_node, "gpio");
-		if (imxgpio->chip.base < 0)
-			return imxgpio->chip.base;
-		imxgpio->chip.base *= 32;
-	} else {
-		imxgpio->chip.base = dev->id * 32;
-	}
-	imxgpio->chip.ngpio = 32;
-	imxgpio->chip.dev = dev;
-	imxgpio->regs = regs;
-	gpiochip_add(&imxgpio->chip);
-
-	dev_dbg(dev, "probed gpiochip%d with base %d\n", dev->id, imxgpio->chip.base);
-
-	return 0;
-}
-
-static __maybe_unused struct of_device_id imx_gpio_dt_ids[] = {
-	{
-		.compatible = "fsl,imx1-gpio",
-		.data = (unsigned long)&regs_imx1,
-	}, {
-		.compatible = "fsl,imx21-gpio",
-		.data = (unsigned long)&regs_imx1,
-	}, {
-		.compatible = "fsl,imx27-gpio",
-		.data = (unsigned long)&regs_imx1,
-	}, {
-		.compatible = "fsl,imx31-gpio",
-		.data = (unsigned long)&regs_imx31,
-	}, {
-		.compatible = "fsl,imx35-gpio",
-		.data = (unsigned long)&regs_imx31,
-	}, {
-		.compatible = "fsl,imx51-gpio",
-		.data = (unsigned long)&regs_imx31,
-	}, {
-		.compatible = "fsl,imx53-gpio",
-		.data = (unsigned long)&regs_imx31,
-	}, {
-		.compatible = "fsl,imx6q-gpio",
-		.data = (unsigned long)&regs_imx31,
-	}, {
-		/* sentinel */
-	}
-};
-
-static struct platform_device_id imx_gpio_ids[] = {
-	{
-		.name = "imx1-gpio",
-		.driver_data = (unsigned long)&regs_imx1,
-	}, {
-		.name = "imx31-gpio",
-		.driver_data = (unsigned long)&regs_imx31,
-	}, {
-		/* sentinel */
-	},
-};
-
-static struct driver_d imx_gpio_driver = {
-	.name = "imx-gpio",
-	.probe = imx_gpio_probe,
-	.of_compatible = DRV_OF_COMPAT(imx_gpio_dt_ids),
-	.id_table = imx_gpio_ids,
-};
-
-static int imx_gpio_add(void)
-{
-	platform_driver_register(&imx_gpio_driver);
-	return 0;
-}
-coredevice_initcall(imx_gpio_add);