1 files changed, 65 insertions, 0 deletions

diff --git a/arch/m68k/platform/5249/gpio.c b/arch/m68k/platform/5249/gpio.c
new file mode 100644
index 00000000000..2b56c6ef65b
--- /dev/null
+++ b/arch/m68k/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                           = (void __iomem *) MCFSIM2_GPIOENABLE,
+                .podr                           = (void __iomem *) MCFSIM2_GPIOWRITE,
+                .ppdr                           = (void __iomem *) 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                           = (void __iomem *) MCFSIM2_GPIO1ENABLE,
+                .podr                           = (void __iomem *) MCFSIM2_GPIO1WRITE,
+                .ppdr                           = (void __iomem *) 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);