[MIPS] Cobalt: Add Cobalt Raq LED platform register and power off trigger

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 14 insertions, 8 deletions

diff --git a/arch/mips/cobalt/reset.c b/arch/mips/cobalt/reset.c
index 43cca21fdbc0..f503a0d04b3b 100644
--- a/arch/mips/cobalt/reset.c
+++ b/arch/mips/cobalt/reset.c
@@ -8,31 +8,37 @@
  * Copyright (C) 1995, 1996, 1997 by Ralf Baechle
  * Copyright (C) 2001 by Liam Davies (ldavies@agile.tv)
  */
+#include <linux/init.h>
 #include <linux/jiffies.h>
-
-#include <asm/io.h>
-#include <asm/reboot.h>
+#include <linux/leds.h>
 
 #include <cobalt.h>
 
+DEFINE_LED_TRIGGER(power_off_led_trigger);
+
+static int __init ledtrig_power_off_init(void)
+{
+        led_trigger_register_simple("power-off", &power_off_led_trigger);
+        return 0;
+}
+device_initcall(ledtrig_power_off_init);
+
 void cobalt_machine_halt(void)
 {
         int state, last, diff;
         unsigned long mark;
 
         /*
-         * turn off bar on Qube, flash power off LED on RaQ (0.5Hz)
+         * turn on power off LED on RaQ
          *
          * restart if ENTER and SELECT are pressed
          */
 
         last = COBALT_KEY_PORT;
 
-        for (state = 0;;) {
-
-                state ^= COBALT_LED_POWER_OFF;
-                COBALT_LED_PORT = state;
+        led_trigger_event(power_off_led_trigger, LED_FULL);
 
+        for (state = 0;;) {
                 diff = COBALT_KEY_PORT ^ last;
                 last ^= diff;