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

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

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Richard Purdie 2006-03-31 02:31:09 -08:00 committed by Linus Torvalds
parent 181bf8aa68
commit 3179108daa
6 changed files with 282 additions and 0 deletions
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9
arch/arm/mach-pxa/corgi.c
View File

@ -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)

9
arch/arm/mach-pxa/spitz.c
View File

@ -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)

14
drivers/leds/Kconfig
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@ -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

4
drivers/leds/Makefile
View File

@ -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

121
drivers/leds/leds-corgi.c Normal file
View File

@ -0,0 +1,121 @@
/*
* 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");

125
drivers/leds/leds-spitz.c Normal file
View File

@ -0,0 +1,125 @@
/*
* 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/hardware/scoop.h>
#include <asm/mach-types.h>
#include <asm/arch/hardware.h>
#include <asm/arch/pxa-regs.h>
#include <asm/arch/spitz.h>
static void spitzled_amber_set(struct led_classdev *led_cdev, enum led_brightness value)
{
if (value)
set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_LED_ORANGE);
else
reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_LED_ORANGE);
}
static void spitzled_green_set(struct led_classdev *led_cdev, enum led_brightness value)
{
if (value)
set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_LED_GREEN);
else
reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_LED_GREEN);
}
static struct led_classdev spitz_amber_led = {
.name = "spitz:amber",
.default_trigger = "sharpsl-charge",
.brightness_set = spitzled_amber_set,
};
static struct led_classdev spitz_green_led = {
.name = "spitz:green",
.default_trigger = "ide-disk",
.brightness_set = spitzled_green_set,
};
#ifdef CONFIG_PM
static int spitzled_suspend(struct platform_device *dev, pm_message_t state)
{
#ifdef CONFIG_LEDS_TRIGGERS
if (spitz_amber_led.trigger && strcmp(spitz_amber_led.trigger->name, "sharpsl-charge"))
#endif
led_classdev_suspend(&spitz_amber_led);
led_classdev_suspend(&spitz_green_led);
return 0;
}
static int spitzled_resume(struct platform_device *dev)
{
led_classdev_resume(&spitz_amber_led);
led_classdev_resume(&spitz_green_led);
return 0;
}
#endif
static int spitzled_probe(struct platform_device *pdev)
{
int ret;
if (machine_is_akita())
spitz_green_led.default_trigger = "nand-disk";
ret = led_classdev_register(&pdev->dev, &spitz_amber_led);
if (ret < 0)
return ret;
ret = led_classdev_register(&pdev->dev, &spitz_green_led);
if (ret < 0)
led_classdev_unregister(&spitz_amber_led);
return ret;
}
static int spitzled_remove(struct platform_device *pdev)
{
led_classdev_unregister(&spitz_amber_led);
led_classdev_unregister(&spitz_green_led);
return 0;
}
static struct platform_driver spitzled_driver = {
.probe = spitzled_probe,
.remove = spitzled_remove,
#ifdef CONFIG_PM
.suspend = spitzled_suspend,
.resume = spitzled_resume,
#endif
.driver = {
.name = "spitz-led",
},
};
static int __init spitzled_init(void)
{
return platform_driver_register(&spitzled_driver);
}
static void __exit spitzled_exit(void)
{
platform_driver_unregister(&spitzled_driver);
}
module_init(spitzled_init);
module_exit(spitzled_exit);
MODULE_AUTHOR("Richard Purdie <rpurdie@openedhand.com>");
MODULE_DESCRIPTION("Spitz LED driver");
MODULE_LICENSE("GPL");