2 * System Specific setup for Traverse Technologies GEOS.
3 * At the moment this means setup of GPIO control of LEDs.
9 * TODO: There are large similarities with leds-net5501.c
11 * In the future leds-net5501.c should be migrated over to platform
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License version 2
15 * as published by the Free Software Foundation.
18 #include <linux/kernel.h>
19 #include <linux/init.h>
21 #include <linux/string.h>
22 #include <linux/module.h>
23 #include <linux/leds.h>
24 #include <linux/platform_device.h>
25 #include <linux/gpio.h>
26 #include <linux/input.h>
27 #include <linux/gpio_keys.h>
28 #include <linux/dmi.h>
30 #include <asm/geode.h>
32 static struct gpio_keys_button geos_gpio_buttons[] = {
37 .desc = "Reset button",
40 .debounce_interval = 100,
44 static struct gpio_keys_platform_data geos_buttons_data = {
45 .buttons = geos_gpio_buttons,
46 .nbuttons = ARRAY_SIZE(geos_gpio_buttons),
50 static struct platform_device geos_buttons_dev = {
51 .name = "gpio-keys-polled",
54 .platform_data = &geos_buttons_data,
58 static struct gpio_led geos_leds[] = {
62 .default_trigger = "default-on",
68 .default_trigger = "default-off",
74 .default_trigger = "default-off",
79 static struct gpio_led_platform_data geos_leds_data = {
80 .num_leds = ARRAY_SIZE(geos_leds),
84 static struct platform_device geos_leds_dev = {
87 .dev.platform_data = &geos_leds_data,
90 static struct platform_device *geos_devs[] __initdata = {
95 static void __init register_geos(void)
97 /* Setup LED control through leds-gpio driver */
98 platform_add_devices(geos_devs, ARRAY_SIZE(geos_devs));
101 static int __init geos_init(void)
103 const char *vendor, *product;
108 vendor = dmi_get_system_info(DMI_SYS_VENDOR);
109 if (!vendor || strcmp(vendor, "Traverse Technologies"))
112 product = dmi_get_system_info(DMI_PRODUCT_NAME);
113 if (!product || strcmp(product, "Geos"))
116 printk(KERN_INFO "%s: system is recognized as \"%s %s\"\n",
117 KBUILD_MODNAME, vendor, product);
124 module_init(geos_init);
127 MODULE_DESCRIPTION("Traverse Technologies Geos System Setup");
128 MODULE_LICENSE("GPL");