From 9e8ded166dcc7831ee6f31f8a0937cd9b58e83b0 Mon Sep 17 00:00:00 2001
From: "sfking@fdwdc.com" <sfking@fdwdc.com>
Date: Fri, 19 Jun 2009 18:11:05 -0700
Subject: generic GPIO support for the Freescale Coldfire 5249.

Add support for the 5249.

Signed-off-by: Steven King <sfking@fdwdc.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
---
 arch/m68knommu/platform/5249/gpio.c | 65 +++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 arch/m68knommu/platform/5249/gpio.c

(limited to 'arch/m68knommu/platform/5249/gpio.c')

diff --git a/arch/m68knommu/platform/5249/gpio.c b/arch/m68knommu/platform/5249/gpio.c
new file mode 100644
index 000000000000..c611eab8b3b6
--- /dev/null
+++ b/arch/m68knommu/platform/5249/gpio.c
@@ -0,0 +1,65 @@
+/*
+ * Coldfire generic GPIO support
+ *
+ * (C) Copyright 2009, Steven King <sfking@fdwdc.com>
+ *
+ * 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; version 2 of the License.
+ *
+ * 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 <linux/kernel.h>
+#include <linux/init.h>
+
+#include <asm/coldfire.h>
+#include <asm/mcfsim.h>
+#include <asm/mcfgpio.h>
+
+static struct mcf_gpio_chip mcf_gpio_chips[] = {
+	{
+		.gpio_chip			= {
+			.label			= "GPIO0",
+			.request		= mcf_gpio_request,
+			.free			= mcf_gpio_free,
+			.direction_input	= mcf_gpio_direction_input,
+			.direction_output	= mcf_gpio_direction_output,
+			.get			= mcf_gpio_get_value,
+			.set			= mcf_gpio_set_value,
+			.ngpio			= 32,
+		},
+		.pddr				= MCFSIM2_GPIOENABLE,
+		.podr				= MCFSIM2_GPIOWRITE,
+		.ppdr				= MCFSIM2_GPIOREAD,
+	},
+	{
+		.gpio_chip			= {
+			.label			= "GPIO1",
+			.request		= mcf_gpio_request,
+			.free			= mcf_gpio_free,
+			.direction_input	= mcf_gpio_direction_input,
+			.direction_output	= mcf_gpio_direction_output,
+			.get			= mcf_gpio_get_value,
+			.set			= mcf_gpio_set_value,
+			.base			= 32,
+			.ngpio			= 32,
+		},
+		.pddr				= MCFSIM2_GPIO1ENABLE,
+		.podr				= MCFSIM2_GPIO1WRITE,
+		.ppdr				= MCFSIM2_GPIO1READ,
+	},
+};
+
+static int __init mcf_gpio_init(void)
+{
+	unsigned i = 0;
+	while (i < ARRAY_SIZE(mcf_gpio_chips))
+		(void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]);
+	return 0;
+}
+
+core_initcall(mcf_gpio_init);
-- 
cgit v1.2.2