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/*
* (c) Copyright 2010 Western Digital Technologies, Inc. All Rights Reserved.
*
* /sys drivers for GPIO pins
*/
#include <linux/platform_device.h>
#include <linux/of_platform.h>
/*
* resource data should be in dts file, but, for now ...
*/
static struct resource apollo3g_gpio1_resources[] = {
[0] = {
.start = 0xe0000000,
.end = 0xe0000003,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device apollo3g_gpio1_device = {
.name = "apollo3g_gpio1",
.id = 0,
.num_resources = ARRAY_SIZE(apollo3g_gpio1_resources),
.resource = apollo3g_gpio1_resources,
};
static struct resource apollo3g_gpio2_resources[] = {
[0] = {
.start = 0xe1000000,
.end = 0xe1000003,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device apollo3g_gpio2_device = {
.name = "apollo3g_gpio2",
.id = 0,
.num_resources = ARRAY_SIZE(apollo3g_gpio2_resources),
.resource = apollo3g_gpio2_resources,
};
static struct platform_device *apollo3g_devs[] __initdata = {
&apollo3g_gpio1_device,
&apollo3g_gpio2_device,
};
static const struct of_device_id apollo3g_gpio_match[] = {
{ .compatible = "amcc,apollo3g", },
{}
};
static struct of_platform_driver apollo3g_gpio_driver = {
.name = "apollo3g-gpio",
};
static int __init apollo3g_gpio_init(void)
{
printk(KERN_INFO "%s: GPIO 1 @ 0x%llx; GPIO 2 @ 0x%llx\n",
__FUNCTION__, apollo3g_gpio1_device.resource[0].start,
apollo3g_gpio2_device.resource[0].start);
return of_register_platform_driver(&apollo3g_gpio_driver);
}
device_initcall(apollo3g_gpio_init);
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