Merge branch 'next' of git://github.com/kernelslacker/cpufreq
[pandora-kernel.git] / arch / arm / plat-omap / debug-devices.c
1 /*
2  * linux/arch/arm/plat-omap/debug-devices.c
3  *
4  * Copyright (C) 2005 Nokia Corporation
5  * Modified from mach-omap2/board-h4.c
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License version 2 as
9  * published by the Free Software Foundation.
10  */
11 #include <linux/gpio.h>
12 #include <linux/kernel.h>
13 #include <linux/init.h>
14 #include <linux/platform_device.h>
15 #include <linux/io.h>
16 #include <linux/smc91x.h>
17
18 #include <mach/hardware.h>
19
20 #include <plat/board.h>
21
22
23 /* Many OMAP development platforms reuse the same "debug board"; these
24  * platforms include H2, H3, H4, and Perseus2.
25  */
26
27 static struct smc91x_platdata smc91x_info = {
28         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
29         .leda   = RPC_LED_100_10,
30         .ledb   = RPC_LED_TX_RX,
31 };
32
33 static struct resource smc91x_resources[] = {
34         [0] = {
35                 .flags  = IORESOURCE_MEM,
36         },
37         [1] = {
38                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
39         },
40 };
41
42 static struct platform_device smc91x_device = {
43         .name           = "smc91x",
44         .id             = -1,
45         .dev            = {
46                 .platform_data = &smc91x_info,
47         },
48         .num_resources  = ARRAY_SIZE(smc91x_resources),
49         .resource       = smc91x_resources,
50 };
51
52 static struct resource led_resources[] = {
53         [0] = {
54                 .flags  = IORESOURCE_MEM,
55         },
56 };
57
58 static struct platform_device led_device = {
59         .name           = "omap_dbg_led",
60         .id             = -1,
61         .num_resources  = ARRAY_SIZE(led_resources),
62         .resource       = led_resources,
63 };
64
65 static struct platform_device *debug_devices[] __initdata = {
66         &smc91x_device,
67         &led_device,
68         /* ps2 kbd + mouse ports */
69         /* 4 extra uarts */
70         /* 6 input dip switches */
71         /* 8 output pins */
72 };
73
74 int __init debug_card_init(u32 addr, unsigned gpio)
75 {
76         int     status;
77
78         smc91x_resources[0].start = addr + 0x300;
79         smc91x_resources[0].end   = addr + 0x30f;
80
81         smc91x_resources[1].start = gpio_to_irq(gpio);
82         smc91x_resources[1].end   = gpio_to_irq(gpio);
83
84         status = gpio_request(gpio, "SMC91x irq");
85         if (status < 0) {
86                 printk(KERN_ERR "GPIO%d unavailable for smc91x IRQ\n", gpio);
87                 return status;
88         }
89         gpio_direction_input(gpio);
90
91         led_resources[0].start = addr;
92         led_resources[0].end   = addr + SZ_4K - 1;
93
94         return platform_add_devices(debug_devices, ARRAY_SIZE(debug_devices));
95 }