diff options
Diffstat (limited to 'arch/arm/mach-at91/leds.c')
-rw-r--r-- | arch/arm/mach-at91/leds.c | 68 |
1 files changed, 67 insertions, 1 deletions
diff --git a/arch/arm/mach-at91/leds.c b/arch/arm/mach-at91/leds.c index 0d5144973988..9cdcda500fe8 100644 --- a/arch/arm/mach-at91/leds.c +++ b/arch/arm/mach-at91/leds.c | |||
@@ -14,11 +14,62 @@ | |||
14 | #include <linux/init.h> | 14 | #include <linux/init.h> |
15 | 15 | ||
16 | #include <asm/mach-types.h> | 16 | #include <asm/mach-types.h> |
17 | #include <asm/leds.h> | ||
18 | #include <asm/arch/board.h> | 17 | #include <asm/arch/board.h> |
19 | #include <asm/arch/gpio.h> | 18 | #include <asm/arch/gpio.h> |
20 | 19 | ||
21 | 20 | ||
21 | /* ------------------------------------------------------------------------- */ | ||
22 | |||
23 | #if defined(CONFIG_NEW_LEDS) | ||
24 | |||
25 | #include <linux/platform_device.h> | ||
26 | |||
27 | /* | ||
28 | * New cross-platform LED support. | ||
29 | */ | ||
30 | |||
31 | static struct gpio_led_platform_data led_data; | ||
32 | |||
33 | static struct platform_device at91_leds = { | ||
34 | .name = "leds-gpio", | ||
35 | .id = -1, | ||
36 | .dev.platform_data = &led_data, | ||
37 | }; | ||
38 | |||
39 | void __init at91_gpio_leds(struct gpio_led *leds, int nr) | ||
40 | { | ||
41 | int i; | ||
42 | |||
43 | if (!nr) | ||
44 | return; | ||
45 | |||
46 | for (i = 0; i < nr; i++) | ||
47 | at91_set_gpio_output(leds[i].gpio, leds[i].active_low); | ||
48 | |||
49 | led_data.leds = leds; | ||
50 | led_data.num_leds = nr; | ||
51 | platform_device_register(&at91_leds); | ||
52 | } | ||
53 | |||
54 | #else | ||
55 | void __init at91_gpio_leds(struct gpio_led *leds, int nr) {} | ||
56 | #endif | ||
57 | |||
58 | |||
59 | /* ------------------------------------------------------------------------- */ | ||
60 | |||
61 | #if defined(CONFIG_LEDS) | ||
62 | |||
63 | #include <asm/leds.h> | ||
64 | |||
65 | /* | ||
66 | * Old ARM-specific LED framework; not fully functional when generic time is | ||
67 | * in use. | ||
68 | */ | ||
69 | |||
70 | static u8 at91_leds_cpu; | ||
71 | static u8 at91_leds_timer; | ||
72 | |||
22 | static inline void at91_led_on(unsigned int led) | 73 | static inline void at91_led_on(unsigned int led) |
23 | { | 74 | { |
24 | at91_set_gpio_value(led, 0); | 75 | at91_set_gpio_value(led, 0); |
@@ -93,3 +144,18 @@ static int __init leds_init(void) | |||
93 | } | 144 | } |
94 | 145 | ||
95 | __initcall(leds_init); | 146 | __initcall(leds_init); |
147 | |||
148 | |||
149 | void __init at91_init_leds(u8 cpu_led, u8 timer_led) | ||
150 | { | ||
151 | /* Enable GPIO to access the LEDs */ | ||
152 | at91_set_gpio_output(cpu_led, 1); | ||
153 | at91_set_gpio_output(timer_led, 1); | ||
154 | |||
155 | at91_leds_cpu = cpu_led; | ||
156 | at91_leds_timer = timer_led; | ||
157 | } | ||
158 | |||
159 | #else | ||
160 | void __init at91_init_leds(u8 cpu_led, u8 timer_led) {} | ||
161 | #endif | ||