linux/drivers/gpio/gpio-iop.c
Thomas Gleixner 2874c5fd28 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
Based on 1 normalized pattern(s):

  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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 3029 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:32 -07:00

59 lines
1.3 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* arch/arm/plat-iop/gpio.c
* GPIO handling for Intel IOP3xx processors.
*
* Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
*/
#include <linux/err.h>
#include <linux/module.h>
#include <linux/gpio/driver.h>
#include <linux/platform_device.h>
#define IOP3XX_GPOE 0x0000
#define IOP3XX_GPID 0x0004
#define IOP3XX_GPOD 0x0008
static int iop3xx_gpio_probe(struct platform_device *pdev)
{
struct gpio_chip *gc;
void __iomem *base;
int err;
gc = devm_kzalloc(&pdev->dev, sizeof(*gc), GFP_KERNEL);
if (!gc)
return -ENOMEM;
base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(base))
return PTR_ERR(base);
err = bgpio_init(gc, &pdev->dev, 1, base + IOP3XX_GPID,
base + IOP3XX_GPOD, NULL, NULL, base + IOP3XX_GPOE, 0);
if (err)
return err;
gc->base = 0;
gc->owner = THIS_MODULE;
return devm_gpiochip_add_data(&pdev->dev, gc, NULL);
}
static struct platform_driver iop3xx_gpio_driver = {
.driver = {
.name = "gpio-iop",
},
.probe = iop3xx_gpio_probe,
};
static int __init iop3xx_gpio_init(void)
{
return platform_driver_register(&iop3xx_gpio_driver);
}
arch_initcall(iop3xx_gpio_init);
MODULE_DESCRIPTION("GPIO handling for Intel IOP3xx processors");
MODULE_AUTHOR("Lennert Buytenhek <buytenh@wantstofly.org>");
MODULE_LICENSE("GPL");