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Commit 6d0cf3e0 authored by Dirk Opfer's avatar Dirk Opfer Committed by Linus Torvalds
Browse files

[PATCH] LED: add device support for tosa 



Adds LED drivers for LEDs found on the Sharp Zaurus c6000 model (tosa).

Signed-off-by: default avatarDirk Opfer <dirk@opfer-online.de>
Signed-off-by: default avatarRichard Purdie <rpurdie@rpsys.net>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 6a0c51bf

arch/arm/mach-pxa/tosa.c

+9 −0
Original line number Diff line number Diff line
@@ -251,10 +251,19 @@ static struct platform_device tosakbd_device = { 
	.id		= -1,

};



/*

 * Tosa LEDs

 */

static struct platform_device tosaled_device = {

    .name   = "tosa-led",

    .id     = -1,

};



static struct platform_device *devices[] __initdata = {

	&tosascoop_device,

	&tosascoop_jc_device,

	&tosakbd_device,

	&tosaled_device,

};



static void __init tosa_init(void)

drivers/leds/Kconfig

+7 −0
Original line number Diff line number Diff line
@@ -52,6 +52,13 @@ config LEDS_IXP4XX 
	  particular board must have LEDs and they must be connected

	  to the GPIO lines.  If unsure, say Y.



config LEDS_TOSA

	tristate "LED Support for the Sharp SL-6000 series"

	depends LEDS_CLASS && PXA_SHARPSL

	help

	  This option enables support for the LEDs on Sharp Zaurus

	  SL-6000 series.



config LEDS_TRIGGER_TIMER

	tristate "LED Timer Trigger"

	depends LEDS_TRIGGERS

drivers/leds/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -9,6 +9,7 @@ obj-$(CONFIG_LEDS_CORGI) += leds-corgi.o 
obj-$(CONFIG_LEDS_LOCOMO)		+= leds-locomo.o

obj-$(CONFIG_LEDS_SPITZ)		+= leds-spitz.o

obj-$(CONFIG_LEDS_IXP4XX)		+= leds-ixp4xx-gpio.o

obj-$(CONFIG_LEDS_TOSA)			+= leds-tosa.o



# LED Triggers

obj-$(CONFIG_LEDS_TRIGGER_TIMER)	+= ledtrig-timer.o

drivers/leds/leds-tosa.c

0 → 100644
+131 −0
Original line number Diff line number Diff line 
/*

 * LED Triggers Core

 *

 * Copyright 2005 Dirk Opfer

 *

 * Author: Dirk Opfer <Dirk@Opfer-Online.de>

 *	based on spitz.c

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 *

 */



#include <linux/config.h>

#include <linux/kernel.h>

#include <linux/init.h>

#include <linux/platform_device.h>

#include <linux/leds.h>

#include <asm/hardware/scoop.h>

#include <asm/mach-types.h>

#include <asm/arch/hardware.h>

#include <asm/arch/pxa-regs.h>

#include <asm/arch/tosa.h>



static void tosaled_amber_set(struct led_classdev *led_cdev,

				enum led_brightness value)

{

	if (value)

		set_scoop_gpio(&tosascoop_jc_device.dev,

				TOSA_SCOOP_JC_CHRG_ERR_LED);

	else

		reset_scoop_gpio(&tosascoop_jc_device.dev,

				TOSA_SCOOP_JC_CHRG_ERR_LED);

}



static void tosaled_green_set(struct led_classdev *led_cdev,

				enum led_brightness value)

{

	if (value)

		set_scoop_gpio(&tosascoop_jc_device.dev,

				TOSA_SCOOP_JC_NOTE_LED);

	else

		reset_scoop_gpio(&tosascoop_jc_device.dev,

				TOSA_SCOOP_JC_NOTE_LED);

}



static struct led_classdev tosa_amber_led = {

	.name			= "tosa:amber",

	.default_trigger	= "sharpsl-charge",

	.brightness_set		= tosaled_amber_set,

};



static struct led_classdev tosa_green_led = {

	.name			= "tosa:green",

	.default_trigger	= "nand-disk",

	.brightness_set		= tosaled_green_set,

};



#ifdef CONFIG_PM

static int tosaled_suspend(struct platform_device *dev, pm_message_t state)

{

#ifdef CONFIG_LEDS_TRIGGERS

	if (tosa_amber_led.trigger && strcmp(tosa_amber_led.trigger->name,

						"sharpsl-charge"))

#endif

		led_classdev_suspend(&tosa_amber_led);

	led_classdev_suspend(&tosa_green_led);

	return 0;

}



static int tosaled_resume(struct platform_device *dev)

{

	led_classdev_resume(&tosa_amber_led);

	led_classdev_resume(&tosa_green_led);

	return 0;

}

#else

#define tosaled_suspend NULL

#define tosaled_resume NULL

#endif



static int tosaled_probe(struct platform_device *pdev)

{

	int ret;



	ret = led_classdev_register(&pdev->dev, &tosa_amber_led);

	if (ret < 0)

		return ret;



	ret = led_classdev_register(&pdev->dev, &tosa_green_led);

	if (ret < 0)

		led_classdev_unregister(&tosa_amber_led);



	return ret;

}



static int tosaled_remove(struct platform_device *pdev)

{

	led_classdev_unregister(&tosa_amber_led);

	led_classdev_unregister(&tosa_green_led);



	return 0;

}



static struct platform_driver tosaled_driver = {

	.probe		= tosaled_probe,

	.remove		= tosaled_remove,

	.suspend	= tosaled_suspend,

	.resume		= tosaled_resume,

	.driver		= {

		.name		= "tosa-led",

	},

};



static int __init tosaled_init(void)

{

	return platform_driver_register(&tosaled_driver);

}



static void __exit tosaled_exit(void)

{

 	platform_driver_unregister(&tosaled_driver);

}



module_init(tosaled_init);

module_exit(tosaled_exit);



MODULE_AUTHOR("Dirk Opfer <Dirk@Opfer-Online.de>");

MODULE_DESCRIPTION("Tosa LED driver");

MODULE_LICENSE("GPL");