Upgrade rb500 to .22.1, add the LED driver from #986

[openwrt.git] / target / linux / rb532-2.6 / files / drivers / leds / leds-rb500.c

diff --git a/target/linux/rb532-2.6/files/drivers/leds/leds-rb500.c b/target/linux/rb532-2.6/files/drivers/leds/leds-rb500.c
new file mode 100644 (file)
index 0000000..3ab530a
--- /dev/null
+++ b/target/linux/rb532-2.6/files/drivers/leds/leds-rb500.c
@@ -0,0 +1,81 @@
+/*
+ * linux/drivers/leds/leds-rb500.c
+ *
+ * Copyright (C) 2006
+ *     Twente Institute for Wireless and Mobile Communications BV
+ *
+ * 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 (see file GPLv2).
+ *
+ * Author: Tjalling Hattink <tjalling.hattink@ti-wmc.nl>
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+#include <asm/rc32434/rb.h>
+
+static void rb500led_amber_set(struct led_classdev *led_cdev, enum led_brightness value)
+{
+       if (value)
+               changeLatchU5(LO_ULED, 0);
+       else
+               changeLatchU5(0, LO_ULED);
+}
+
+static struct led_classdev rb500_amber_led = {
+       .name                   = "rb500led:amber",
+       .default_trigger        = "ide-disk",
+       .brightness_set         = rb500led_amber_set,
+};
+
+static int rb500led_probe(struct platform_device *pdev)
+{
+       int ret;
+
+       changeLatchU5(0, LO_ULED);
+
+       ret = led_classdev_register(&pdev->dev, &rb500_amber_led);
+
+       return ret;
+}
+
+static int rb500led_remove(struct platform_device *pdev)
+{
+       led_classdev_unregister(&rb500_amber_led);
+
+       return 0;
+}
+
+static struct platform_driver rb500led_driver = {
+       .probe          = rb500led_probe,
+       .remove         = rb500led_remove,
+       .driver         = {
+               .name           = "rb500-led",
+       },
+};
+
+static int __init rb500led_init(void)
+{
+       return platform_driver_register(&rb500led_driver);
+}
+
+static void __exit rb500led_exit(void)
+{
+       platform_driver_unregister(&rb500led_driver);
+}
+
+module_init(rb500led_init);
+module_exit(rb500led_exit);
+
+MODULE_AUTHOR("tjalling.hattink@ti-wmc.nl");
+MODULE_DESCRIPTION("Mikrotik RB500 LED driver");
+MODULE_LICENSE("GPL");