diff options
Diffstat (limited to 'drivers/leds')
| -rw-r--r-- | drivers/leds/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/leds/Makefile | 1 | ||||
| -rw-r--r-- | drivers/leds/leds-rb532.c | 77 |
3 files changed, 85 insertions, 0 deletions
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig index 89ea7ef39fe4..db5e6a64c7cf 100644 --- a/drivers/leds/Kconfig +++ b/drivers/leds/Kconfig @@ -31,6 +31,13 @@ config LEDS_LOCOMO This option enables support for the LEDs on Sharp Locomo. Zaurus models SL-5500 and SL-5600. +config LEDS_MIKROTIK_RB532 + tristate "LED Support for Mikrotik Routerboard 532" + depends on LEDS_CLASS && MIKROTIK_RB532 + help + This option enables support for the so called "User LED" of + Mikrotik's Routerboard 532. + config LEDS_S3C24XX tristate "LED Support for Samsung S3C24XX GPIO LEDs" depends on LEDS_CLASS && ARCH_S3C2410 diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile index 584a3f6c2530..017f69aa2ecd 100644 --- a/drivers/leds/Makefile +++ b/drivers/leds/Makefile @@ -7,6 +7,7 @@ obj-$(CONFIG_LEDS_TRIGGERS) += led-triggers.o # LED Platform Drivers obj-$(CONFIG_LEDS_ATMEL_PWM) += leds-atmel-pwm.o obj-$(CONFIG_LEDS_LOCOMO) += leds-locomo.o +obj-$(CONFIG_LEDS_MIKROTIK_RB532) += leds-rb532.o obj-$(CONFIG_LEDS_S3C24XX) += leds-s3c24xx.o obj-$(CONFIG_LEDS_AMS_DELTA) += leds-ams-delta.o obj-$(CONFIG_LEDS_NET48XX) += leds-net48xx.o diff --git a/drivers/leds/leds-rb532.c b/drivers/leds/leds-rb532.c new file mode 100644 index 000000000000..c3525f37f73d --- /dev/null +++ b/drivers/leds/leds-rb532.c @@ -0,0 +1,77 @@ +/* + * LEDs driver for the "User LED" on Routerboard532 + * + * Copyright (C) 2009 Phil Sutter <n0-1@freewrt.org> + * + * Based on leds-cobalt-qube.c by Florian Fainelly and + * rb-diag.c (my own standalone driver for both LED and + * button of Routerboard532). + */ + +#include <linux/leds.h> +#include <linux/module.h> +#include <linux/platform_device.h> + +#include <asm/mach-rc32434/gpio.h> +#include <asm/mach-rc32434/rb.h> + +static void rb532_led_set(struct led_classdev *cdev, + enum led_brightness brightness) +{ + if (brightness) + set_latch_u5(LO_ULED, 0); + + else + set_latch_u5(0, LO_ULED); +} + +static enum led_brightness rb532_led_get(struct led_classdev *cdev) +{ + return (get_latch_u5() & LO_ULED) ? LED_FULL : LED_OFF; +} + +static struct led_classdev rb532_uled = { + .name = "uled", + .brightness_set = rb532_led_set, + .brightness_get = rb532_led_get, + .default_trigger = "nand-disk", +}; + +static int __devinit rb532_led_probe(struct platform_device *pdev) +{ + return led_classdev_register(&pdev->dev, &rb532_uled); +} + +static int __devexit rb532_led_remove(struct platform_device *pdev) +{ + led_classdev_unregister(&rb532_uled); + return 0; +} + +static struct platform_driver rb532_led_driver = { + .probe = rb532_led_probe, + .remove = __devexit_p(rb532_led_remove), + .driver = { + .name = "rb532-led", + .owner = THIS_MODULE, + }, +}; + +static int __init rb532_led_init(void) +{ + return platform_driver_register(&rb532_led_driver); +} + +static void __exit rb532_led_exit(void) +{ + platform_driver_unregister(&rb532_led_driver); +} + +module_init(rb532_led_init); +module_exit(rb532_led_exit); + +MODULE_ALIAS("platform:rb532-led"); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("User LED support for Routerboard532"); +MODULE_AUTHOR("Phil Sutter <n0-1@freewrt.org>"); |