From 8c72b797b421258e17ad6f7afcbc2ab9105e8dc8 Mon Sep 17 00:00:00 2001
From: ejka <ejka@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Sun, 18 Mar 2007 09:40:51 +0000
Subject: Add ar7-2.6 port (marked as broken for now).

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@6600 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 target/linux/ar7-2.6/files/arch/mips/ar7/gpio.c | 56 +++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 target/linux/ar7-2.6/files/arch/mips/ar7/gpio.c

(limited to 'target/linux/ar7-2.6/files/arch/mips/ar7/gpio.c')

diff --git a/target/linux/ar7-2.6/files/arch/mips/ar7/gpio.c b/target/linux/ar7-2.6/files/arch/mips/ar7/gpio.c
new file mode 100644
index 000000000..8b3d3a958
--- /dev/null
+++ b/target/linux/ar7-2.6/files/arch/mips/ar7/gpio.c
@@ -0,0 +1,56 @@
+/*
+ * $Id$
+ * 
+ * Copyright (C) 2007 OpenWrt.org
+ * 
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <asm/addrspace.h>
+#include <asm/io.h>
+#include <asm/ar7/ar7.h>
+#include <asm/ar7/gpio.h>
+
+static char *ar7_gpio_list[AR7_GPIO_MAX] = { 0, };
+
+int gpio_request(unsigned gpio, char *label)
+{
+	if (gpio >= AR7_GPIO_MAX)
+		return -EINVAL;
+
+	if (ar7_gpio_list[gpio])
+		return -EBUSY;
+
+	if (label) {
+		ar7_gpio_list[gpio] = label;
+	} else {
+		ar7_gpio_list[gpio] = "busy";
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL(gpio_request);
+
+void gpio_free(unsigned gpio)
+{
+	BUG_ON(!ar7_gpio_list[gpio]);
+	ar7_gpio_list[gpio] = NULL;
+}
+EXPORT_SYMBOL(gpio_free);
-- 
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