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Diffstat (limited to 'arch/m68k/platform/5206/gpio.c')
-rw-r--r--arch/m68k/platform/5206/gpio.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/arch/m68k/platform/5206/gpio.c b/arch/m68k/platform/5206/gpio.c
new file mode 100644
index 000000000000..b9ab4a120f28
--- /dev/null
+++ b/arch/m68k/platform/5206/gpio.c
@@ -0,0 +1,49 @@
+/*
+ * 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 = "PP",
+ .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 = 8,
+ },
+ .pddr = (void __iomem *) MCFSIM_PADDR,
+ .podr = (void __iomem *) MCFSIM_PADAT,
+ .ppdr = (void __iomem *) MCFSIM_PADAT,
+ },
+};
+
+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);