[PATCH][6/9][MIPS] add Cobalt Raq LED platform register

[Yoichi Yuasa <yoichi_yuasa@xxxxxxxxxxxxxx>]

Add Cobalt Raq LED platform register.

Signed-off-by: Yoichi Yuasa <yoichi_yuasa@xxxxxxxxxxxxxx>

diff -pruN -X mips/Documentation/dontdiff mips-orig/arch/mips/cobalt/Makefile mips/arch/mips/cobalt/Makefile
--- mips-orig/arch/mips/cobalt/Makefile	2007-08-24 19:30:37.053924000 +0900
+++ mips/arch/mips/cobalt/Makefile	2007-08-24 19:27:44.127116750 +0900
@@ -2,7 +2,7 @@
 # Makefile for the Cobalt micro systems family specific parts of the kernel
 #
 
-obj-y := buttons.o irq.o reset.o rtc.o serial.o setup.o
+obj-y := buttons.o irq.o led.o reset.o rtc.o serial.o setup.o
 
 obj-$(CONFIG_PCI)		+= pci.o
 obj-$(CONFIG_EARLY_PRINTK)	+= console.o
diff -pruN -X mips/Documentation/dontdiff mips-orig/arch/mips/cobalt/led.c mips/arch/mips/cobalt/led.c
--- mips-orig/arch/mips/cobalt/led.c	1970-01-01 09:00:00.000000000 +0900
+++ mips/arch/mips/cobalt/led.c	2007-08-24 19:28:13.988983000 +0900
@@ -0,0 +1,56 @@
+/*
+ *  Registration of Cobalt LED platform device.
+ *
+ *  Copyright (C) 2007  Yoichi Yuasa <yoichi_yuasa@xxxxxxxxxxxxxx>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/platform_device.h>
+
+static struct resource cobalt_led_resource __initdata = {
+	.start	= 0x1c000000,
+	.end	= 0x1c000000,
+	.flags	= IORESOURCE_MEM,
+};
+
+static __init int cobalt_led_add(void)
+{
+	struct platform_device *pdev;
+	int retval;
+
+	pdev = platform_device_alloc("Cobalt Raq LEDs", -1);
+
+	if (!pdev)
+		return -ENOMEM;
+
+	retval = platform_device_add_resources(pdev, &cobalt_led_resource, 1);
+	if (retval)
+		goto err_free_device;
+
+	retval = platform_device_add(pdev);
+	if (retval)
+		goto err_free_device;
+
+	return 0;
+
+err_free_device:
+	platform_device_put(pdev);
+
+	return retval;
+}
+device_initcall(cobalt_led_add);
diff -pruN -X mips/Documentation/dontdiff mips-orig/arch/mips/cobalt/reset.c mips/arch/mips/cobalt/reset.c
--- mips-orig/arch/mips/cobalt/reset.c	2007-08-24 19:30:37.077925500 +0900
+++ mips/arch/mips/cobalt/reset.c	2007-08-24 19:28:12.304877750 +0900
@@ -8,17 +8,29 @@
  * Copyright (C) 1995, 1996, 1997 by Ralf Baechle
  * Copyright (C) 2001 by Liam Davies (ldavies@xxxxxxxx)
  */
+#include <linux/init.h>
 #include <linux/irqflags.h>
 #include <linux/kernel.h>
+#include <linux/leds.h>
 
 #include <asm/processor.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)
 {
 	local_irq_disable();
 	printk("You can switch the machine off now.\n");
+	led_trigger_event(power_off_led_trigger, LED_FULL);
 	while (1) {
 		if (cpu_wait)
 			cpu_wait();