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-rw-r--r--arch/arm/mach-omap/leds.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/arch/arm/mach-omap/leds.c b/arch/arm/mach-omap/leds.c
new file mode 100644
index 000000000000..8ab21fe98e1b
--- /dev/null
+++ b/arch/arm/mach-omap/leds.c
@@ -0,0 +1,61 @@
+/*
+ * linux/arch/arm/mach-omap/leds.c
+ *
+ * OMAP LEDs dispatcher
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+
+#include <asm/leds.h>
+#include <asm/mach-types.h>
+
+#include <asm/arch/gpio.h>
+#include <asm/arch/mux.h>
+
+#include "leds.h"
+
+static int __init
+omap_leds_init(void)
+{
+ if (machine_is_omap_innovator())
+ leds_event = innovator_leds_event;
+
+ else if (machine_is_omap_h2() || machine_is_omap_perseus2())
+ leds_event = h2p2_dbg_leds_event;
+
+ else if (machine_is_omap_osk())
+ leds_event = osk_leds_event;
+
+ else
+ return -1;
+
+ if (machine_is_omap_h2()
+ || machine_is_omap_perseus2()
+ || machine_is_omap_osk()) {
+
+ /* LED1/LED2 pins can be used as GPIO (as done here), or by
+ * the LPG (works even in deep sleep!), to drive a bicolor
+ * LED on the H2 sample board, and another on the H2/P2
+ * "surfer" expansion board.
+ *
+ * The same pins drive a LED on the OSK Mistral board, but
+ * that's a different kind of LED (just one color at a time).
+ */
+ omap_cfg_reg(P18_1610_GPIO3);
+ if (omap_request_gpio(3) == 0)
+ omap_set_gpio_direction(3, 0);
+ else
+ printk(KERN_WARNING "LED: can't get GPIO3/red?\n");
+
+ omap_cfg_reg(MPUIO4);
+ if (omap_request_gpio(OMAP_MPUIO(4)) == 0)
+ omap_set_gpio_direction(OMAP_MPUIO(4), 0);
+ else
+ printk(KERN_WARNING "LED: can't get MPUIO4/green?\n");
+ }
+
+ leds_event(led_start);
+ return 0;
+}
+
+__initcall(omap_leds_init);