X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=drivers%2Fgpio%2Fmxs_gpio.c;h=367b852039da52ccd23b9f99162cc53984dcc516;hb=47edaea4943c99f560f3d055b2468333e9192628;hp=29f19badda5ddf68c1bbe1c9bf11dc722adc3698;hpb=8f082d78fafd94db3f21b503794e0875d3331e53;p=oweals%2Fu-boot.git

diff --git a/drivers/gpio/mxs_gpio.c b/drivers/gpio/mxs_gpio.c
index 29f19badda..367b852039 100644
--- a/drivers/gpio/mxs_gpio.c
+++ b/drivers/gpio/mxs_gpio.c
@@ -4,28 +4,11 @@
  * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
  * on behalf of DENX Software Engineering GmbH
  *
- * 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 <netdev.h>
-#include <asm/errno.h>
+#include <linux/errno.h>
 #include <asm/io.h>
 #include <asm/arch/iomux.h>
 #include <asm/arch/imx-regs.h>
@@ -111,10 +94,10 @@ int gpio_direction_output(unsigned gpio, int value)
 	struct mxs_register_32 *reg =
 		(struct mxs_register_32 *)(MXS_PINCTRL_BASE + offset);
 
-	writel(1 << PAD_PIN(gpio), &reg->reg_set);
-
 	gpio_set_value(gpio, value);
 
+	writel(1 << PAD_PIN(gpio), &reg->reg_set);
+
 	return 0;
 }
 
@@ -130,3 +113,18 @@ int gpio_free(unsigned gpio)
 {
 	return 0;
 }
+
+int name_to_gpio(const char *name)
+{
+	unsigned bank, pin;
+	char *end;
+
+	bank = simple_strtoul(name, &end, 10);
+
+	if (!*end || *end != ':')
+		return bank;
+
+	pin = simple_strtoul(end + 1, NULL, 10);
+
+	return (bank << MXS_PAD_BANK_SHIFT) | (pin << MXS_PAD_PIN_SHIFT);
+}