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1 | /* |
2 | * MTX-1 platform devices registration | |
3 | * | |
a1b021d3 | 4 | * Copyright (C) 2007-2009, Florian Fainelli <florian@openwrt.org> |
26c288f8 FF |
5 | * |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #include <linux/init.h> | |
26c288f8 FF |
22 | #include <linux/platform_device.h> |
23 | #include <linux/leds.h> | |
1ff1a78c | 24 | #include <linux/gpio.h> |
f6ed10ab FF |
25 | #include <linux/gpio_keys.h> |
26 | #include <linux/input.h> | |
95283563 YY |
27 | #include <linux/mtd/partitions.h> |
28 | #include <linux/mtd/physmap.h> | |
29 | #include <mtd/mtd-abi.h> | |
26c288f8 | 30 | |
f6ed10ab FF |
31 | static struct gpio_keys_button mtx1_gpio_button[] = { |
32 | { | |
33 | .gpio = 207, | |
34 | .code = BTN_0, | |
35 | .desc = "System button", | |
36 | } | |
37 | }; | |
38 | ||
39 | static struct gpio_keys_platform_data mtx1_buttons_data = { | |
40 | .buttons = mtx1_gpio_button, | |
41 | .nbuttons = ARRAY_SIZE(mtx1_gpio_button), | |
42 | }; | |
43 | ||
44 | static struct platform_device mtx1_button = { | |
45 | .name = "gpio-keys", | |
46 | .id = -1, | |
47 | .dev = { | |
48 | .platform_data = &mtx1_buttons_data, | |
49 | } | |
50 | }; | |
51 | ||
26c288f8 FF |
52 | static struct resource mtx1_wdt_res[] = { |
53 | [0] = { | |
54 | .start = 15, | |
55 | .end = 15, | |
56 | .name = "mtx1-wdt-gpio", | |
57 | .flags = IORESOURCE_IRQ, | |
58 | } | |
59 | }; | |
60 | ||
26c288f8 FF |
61 | static struct platform_device mtx1_wdt = { |
62 | .name = "mtx1-wdt", | |
63 | .id = 0, | |
64 | .num_resources = ARRAY_SIZE(mtx1_wdt_res), | |
65 | .resource = mtx1_wdt_res, | |
66 | }; | |
67 | ||
68 | static struct gpio_led default_leds[] = { | |
69 | { | |
70 | .name = "mtx1:green", | |
71 | .gpio = 211, | |
72 | }, { | |
73 | .name = "mtx1:red", | |
74 | .gpio = 212, | |
75 | }, | |
76 | }; | |
77 | ||
78 | static struct gpio_led_platform_data mtx1_led_data = { | |
79 | .num_leds = ARRAY_SIZE(default_leds), | |
80 | .leds = default_leds, | |
81 | }; | |
82 | ||
83 | static struct platform_device mtx1_gpio_leds = { | |
84 | .name = "leds-gpio", | |
85 | .id = -1, | |
86 | .dev = { | |
87 | .platform_data = &mtx1_led_data, | |
88 | } | |
89 | }; | |
90 | ||
95283563 YY |
91 | static struct mtd_partition mtx1_mtd_partitions[] = { |
92 | { | |
93 | .name = "filesystem", | |
94 | .size = 0x01C00000, | |
95 | .offset = 0, | |
96 | }, | |
97 | { | |
98 | .name = "yamon", | |
99 | .size = 0x00100000, | |
100 | .offset = MTDPART_OFS_APPEND, | |
101 | .mask_flags = MTD_WRITEABLE, | |
102 | }, | |
103 | { | |
104 | .name = "kernel", | |
105 | .size = 0x002c0000, | |
106 | .offset = MTDPART_OFS_APPEND, | |
107 | }, | |
108 | { | |
109 | .name = "yamon env", | |
110 | .size = 0x00040000, | |
111 | .offset = MTDPART_OFS_APPEND, | |
112 | }, | |
113 | }; | |
114 | ||
115 | static struct physmap_flash_data mtx1_flash_data = { | |
116 | .width = 4, | |
117 | .nr_parts = 4, | |
118 | .parts = mtx1_mtd_partitions, | |
119 | }; | |
120 | ||
121 | static struct resource mtx1_mtd_resource = { | |
122 | .start = 0x1e000000, | |
123 | .end = 0x1fffffff, | |
124 | .flags = IORESOURCE_MEM, | |
125 | }; | |
126 | ||
127 | static struct platform_device mtx1_mtd = { | |
128 | .name = "physmap-flash", | |
129 | .dev = { | |
130 | .platform_data = &mtx1_flash_data, | |
131 | }, | |
132 | .num_resources = 1, | |
133 | .resource = &mtx1_mtd_resource, | |
134 | }; | |
135 | ||
26c288f8 FF |
136 | static struct __initdata platform_device * mtx1_devs[] = { |
137 | &mtx1_gpio_leds, | |
f6ed10ab | 138 | &mtx1_wdt, |
95283563 YY |
139 | &mtx1_button, |
140 | &mtx1_mtd, | |
26c288f8 FF |
141 | }; |
142 | ||
143 | static int __init mtx1_register_devices(void) | |
144 | { | |
a1b021d3 FF |
145 | int rc; |
146 | ||
147 | rc = gpio_request(mtx1_gpio_button[0].gpio, | |
148 | mtx1_gpio_button[0].desc); | |
149 | if (rc < 0) { | |
150 | printk(KERN_INFO "mtx1: failed to request %d\n", | |
151 | mtx1_gpio_button[0].gpio); | |
152 | goto out; | |
153 | } | |
154 | gpio_direction_input(mtx1_gpio_button[0].gpio); | |
155 | out: | |
26c288f8 FF |
156 | return platform_add_devices(mtx1_devs, ARRAY_SIZE(mtx1_devs)); |
157 | } | |
158 | ||
159 | arch_initcall(mtx1_register_devices); |