1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
@@ -15,6 +15,8 @@
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/ssb/ssb.h>
+#include <linux/gpio_buttons.h>
+#include <linux/input.h>
#include <asm/addrspace.h>
#include <bcm63xx_board.h>
#include <bcm63xx_cpu.h>
@@ -288,6 +290,16 @@ static struct board_info __initdata boar
.active_low = 1,
},
},
+ .reset_buttons = {
+ {
+ .desc = "reset",
+ .gpio = 32,
+ .active_low = 1,
+ .type = EV_KEY,
+ .code = BTN_0,
+ .threshold = 3,
+ },
+ },
};
static struct board_info __initdata board_96348gw = {
@@ -345,6 +357,16 @@ static struct board_info __initdata boar
.active_low = 1,
},
},
+ .reset_buttons = {
+ {
+ .desc = "reset",
+ .gpio = 36,
+ .active_low = 1,
+ .type = EV_KEY,
+ .code = BTN_0,
+ .threshold = 3,
+ },
+ },
};
static struct board_info __initdata board_FAST2404 = {
@@ -770,12 +792,23 @@ static struct platform_device bcm63xx_gp
.dev.platform_data = &bcm63xx_led_data,
};
+static struct gpio_buttons_platform_data bcm63xx_gpio_buttons_data = {
+ .poll_interval = 20,
+};
+
+static struct platform_device bcm63xx_gpio_buttons_device = {
+ .name = "gpio-buttons",
+ .id = 0,
+ .dev.platform_data = &bcm63xx_gpio_buttons_data,
+};
+
/*
* third stage init callback, register all board devices.
*/
int __init board_register_devices(void)
{
u32 val;
+ int button_count = 0;
if (board.has_pccard)
bcm63xx_pcmcia_register();
@@ -825,6 +858,17 @@ int __init board_register_devices(void)
platform_device_register(&bcm63xx_gpio_leds);
+ /* count number of BUTTONs defined by this device */
+ while (button_count < ARRAY_SIZE(board.reset_buttons) && board.reset_buttons[button_count].desc)
+ button_count++;
+
+ if (button_count) {
+ bcm63xx_gpio_buttons_data.nbuttons = button_count;
+ bcm63xx_gpio_buttons_data.buttons = board.reset_buttons;
+
+ platform_device_register(&bcm63xx_gpio_buttons_device);
+ }
+
return 0;
}
--- a/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
+++ b/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
@@ -55,6 +55,9 @@ struct board_info {
/* GPIO LEDs */
struct gpio_led leds[5];
+
+ /* Reset button */
+ struct gpio_button reset_buttons[1];
};
#endif /* ! BOARD_BCM963XX_H_ */
|
