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Commit 3179108d authored by Richard Purdie's avatar Richard Purdie Committed by Linus Torvalds
Browse files

[PATCH] LED: add LED device support for the zaurus corgi and spitz models 



Adds LED drivers for LEDs found on the Sharp Zaurus c7x0 (corgi, shepherd,
husky) and cxx00 (akita, spitz, borzoi) models.

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 181bf8aa

arch/arm/mach-pxa/corgi.c

+9 −0
Original line number Diff line number Diff line
@@ -163,6 +163,14 @@ static struct platform_device corgikbd_device = { 
};





/*

 * Corgi LEDs

 */

static struct platform_device corgiled_device = {

	.name		= "corgi-led",

	.id		= -1,

};



/*

 * Corgi Touch Screen Device

 */
@@ -297,6 +305,7 @@ static struct platform_device *devices[] __initdata = { 
	&corgikbd_device,

	&corgibl_device,

	&corgits_device,

	&corgiled_device,

};



static void __init corgi_init(void)

arch/arm/mach-pxa/spitz.c

+9 −0
Original line number Diff line number Diff line
@@ -241,6 +241,14 @@ static struct platform_device spitzkbd_device = { 
};





/*

 * Spitz LEDs

 */

static struct platform_device spitzled_device = {

	.name		= "spitz-led",

	.id		= -1,

};



/*

 * Spitz Touch Screen Device

 */
@@ -418,6 +426,7 @@ static struct platform_device *devices[] __initdata = { 
	&spitzkbd_device,

	&spitzts_device,

	&spitzbl_device,

	&spitzled_device,

};



static void __init common_init(void)

drivers/leds/Kconfig

+14 −0
Original line number Diff line number Diff line
@@ -22,6 +22,20 @@ config LEDS_TRIGGERS 
	  These triggers allow kernel events to drive the LEDs and can

	  be configured via sysfs. If unsure, say Y.



config LEDS_CORGI

	tristate "LED Support for the Sharp SL-C7x0 series"

	depends LEDS_CLASS && PXA_SHARP_C7xx

	help

	  This option enables support for the LEDs on Sharp Zaurus

	  SL-C7x0 series (C700, C750, C760, C860).



config LEDS_SPITZ

	tristate "LED Support for the Sharp SL-Cxx00 series"

	depends LEDS_CLASS && PXA_SHARP_Cxx00

	help

	  This option enables support for the LEDs on Sharp Zaurus

	  SL-Cxx00 series (C1000, C3000, C3100).



config LEDS_TRIGGER_TIMER

	tristate "LED Timer Trigger"

	depends LEDS_TRIGGERS

drivers/leds/Makefile

+4 −0
Original line number Diff line number Diff line
@@ -4,5 +4,9 @@ obj-$(CONFIG_NEW_LEDS) += led-core.o 
obj-$(CONFIG_LEDS_CLASS)		+= led-class.o

obj-$(CONFIG_LEDS_TRIGGERS)		+= led-triggers.o



# LED Platform Drivers

obj-$(CONFIG_LEDS_CORGI)		+= leds-corgi.o

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



# LED Triggers

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

drivers/leds/leds-corgi.c

0 → 100644
+121 −0
Original line number Diff line number Diff line 
/*

 * LED Triggers Core

 *

 * Copyright 2005-2006 Openedhand Ltd.

 *

 * Author: Richard Purdie <rpurdie@openedhand.com>

 *

 * 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/mach-types.h>

#include <asm/arch/corgi.h>

#include <asm/arch/hardware.h>

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

#include <asm/hardware/scoop.h>



static void corgiled_amber_set(struct led_classdev *led_cdev, enum led_brightness value)

{

	if (value)

		GPSR0 = GPIO_bit(CORGI_GPIO_LED_ORANGE);

	else

		GPCR0 = GPIO_bit(CORGI_GPIO_LED_ORANGE);

}



static void corgiled_green_set(struct led_classdev *led_cdev, enum led_brightness value)

{

	if (value)

		set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_LED_GREEN);

	else

		reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_LED_GREEN);

}



static struct led_classdev corgi_amber_led = {

	.name			= "corgi:amber",

	.default_trigger	= "sharpsl-charge",

	.brightness_set		= corgiled_amber_set,

};



static struct led_classdev corgi_green_led = {

	.name			= "corgi:green",

	.default_trigger	= "nand-disk",

	.brightness_set		= corgiled_green_set,

};



#ifdef CONFIG_PM

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

{

#ifdef CONFIG_LEDS_TRIGGERS

	if (corgi_amber_led.trigger && strcmp(corgi_amber_led.trigger->name, "sharpsl-charge"))

#endif

		led_classdev_suspend(&corgi_amber_led);

	led_classdev_suspend(&corgi_green_led);

	return 0;

}



static int corgiled_resume(struct platform_device *dev)

{

	led_classdev_resume(&corgi_amber_led);

	led_classdev_resume(&corgi_green_led);

	return 0;

}

#endif



static int corgiled_probe(struct platform_device *pdev)

{

	int ret;



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

	if (ret < 0)

		return ret;



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

	if (ret < 0)

		led_classdev_unregister(&corgi_amber_led);



	return ret;

}



static int corgiled_remove(struct platform_device *pdev)

{

	led_classdev_unregister(&corgi_amber_led);

	led_classdev_unregister(&corgi_green_led);

	return 0;

}



static struct platform_driver corgiled_driver = {

	.probe		= corgiled_probe,

	.remove		= corgiled_remove,

#ifdef CONFIG_PM

	.suspend	= corgiled_suspend,

	.resume		= corgiled_resume,

#endif

	.driver		= {

		.name		= "corgi-led",

	},

};



static int __init corgiled_init(void)

{

	return platform_driver_register(&corgiled_driver);

}



static void __exit corgiled_exit(void)

{

 	platform_driver_unregister(&corgiled_driver);

}



module_init(corgiled_init);

module_exit(corgiled_exit);



MODULE_AUTHOR("Richard Purdie <rpurdie@openedhand.com>");

MODULE_DESCRIPTION("Corgi LED driver");

MODULE_LICENSE("GPL");