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authorRichard Purdie <rpurdie@rpsys.net>2006-03-31 02:31:09 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-31 12:18:57 -0800
commit3179108daaaccbf28b17d6d8b0e06abf0eee6d9f (patch)
tree6e8f1e9b1d78f1c08bcd7dcfd5f9d4321849d3ec /drivers
parent181bf8aa68a1d062d7f98abb0f1cb8871910320c (diff)
[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: 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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/leds/Kconfig14
-rw-r--r--drivers/leds/Makefile4
-rw-r--r--drivers/leds/leds-corgi.c121
-rw-r--r--drivers/leds/leds-spitz.c125
4 files changed, 264 insertions, 0 deletions
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index fda44df5921..f7846b40c84 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -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
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
index 81e4abb9dcb..cb5d0ada6a8 100644
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -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
diff --git a/drivers/leds/leds-corgi.c b/drivers/leds/leds-corgi.c
new file mode 100644
index 00000000000..bb7d84df012
--- /dev/null
+++ b/drivers/leds/leds-corgi.c
@@ -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");
diff --git a/drivers/leds/leds-spitz.c b/drivers/leds/leds-spitz.c
new file mode 100644
index 00000000000..65bbef4a5e0
--- /dev/null
+++ b/drivers/leds/leds-spitz.c
@@ -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");