dm: Add GPIO support and tests

[karo-tx-uboot.git] / drivers / gpio / s3c2440_gpio.c

diff --git a/drivers/gpio/s3c2440_gpio.c b/drivers/gpio/s3c2440_gpio.c
index 43bbf1160c62075e89caff5bd98182d21c4934ef..e1e2d3f805e81ec7c81071fb46e4919670c75a67 100644 (file)
--- a/drivers/gpio/s3c2440_gpio.c
+++ b/drivers/gpio/s3c2440_gpio.c
@@ -2,23 +2,7 @@
  * Copyright (C) 2012
  * Gabriel Huau <contact@huau-gabriel.fr>
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 #include <common.h>
 #include <asm/arch/s3c2440.h>
@@ -61,7 +45,7 @@ int gpio_set_value(unsigned gpio, int value)
        else
                l &= ~bit;
 
-       return writel(port, l);
+       return writel(l, port);
 }
 
 int gpio_get_value(unsigned gpio)
@@ -85,11 +69,11 @@ int gpio_free(unsigned gpio)
 
 int gpio_direction_input(unsigned gpio)
 {
-       return writel(GPIO_FULLPORT(gpio), GPIO_INPUT << GPIO_BIT(gpio));
+       return writel(GPIO_INPUT << GPIO_BIT(gpio), GPIO_FULLPORT(gpio));
 }
 
 int gpio_direction_output(unsigned gpio, int value)
 {
-       writel(GPIO_FULLPORT(gpio), GPIO_OUTPUT << GPIO_BIT(gpio));
+       writel(GPIO_OUTPUT << GPIO_BIT(gpio), GPIO_FULLPORT(gpio));
        return gpio_set_value(gpio, value);
 }