Index: linux-2.6.24.3/drivers/leds/Kconfig =================================================================== --- linux-2.6.24.3.orig/drivers/leds/Kconfig 2008-02-26 01:20:20.000000000 +0100 +++ linux-2.6.24.3/drivers/leds/Kconfig 2008-02-29 00:43:28.000000000 +0100 @@ -114,6 +114,12 @@ help This option enables support for the CM-X270 LEDs. +config LEDS_MPC8313E_RDB + tristate "LED Support for MPC8313E-RDB LEDs" + depends on LEDS_CLASS && PPC_83xx + help + This option enables support for the LEDs on MPC8313E-RDB board. + comment "LED Triggers" config LEDS_TRIGGERS Index: linux-2.6.24.3/drivers/leds/leds-mpc8313e-rdb.c =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ linux-2.6.24.3/drivers/leds/leds-mpc8313e-rdb.c 2008-02-29 01:36:07.000000000 +0100 @@ -0,0 +1,173 @@ +/* + * drivers/leds/leds-mpc8313e-rdb.c + * Copyright (C) 2007-2008 Jeremy Laine + * Copyright (C) 2007-2008 Leon Woestenberg + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + * + * MPC8313E-RDB LEDs driver + * + */ + +#include +#include +#include +#include +#include +#include + +/* note the board is not wired for read access from the LED buffer */ +#define LEDS_BASE 0xfa000000 +#define LEDS_SIZE 0x2 + +static struct platform_device *leds_pdev = NULL; +static struct resource *led_mem = NULL; +static void *led_io = NULL; +static u8 led_state = 0xff; + +struct mpc8313_led { + struct led_classdev cdev; + u8 bitmask; +}; + +static void mpc8313leds_set(struct led_classdev *led_cdev, enum led_brightness value) +{ + struct mpc8313_led *led_dev = container_of(led_cdev, struct mpc8313_led, cdev); + if (value) + led_state &= ~led_dev->bitmask; + else + led_state |= led_dev->bitmask; + iowrite8(led_state, led_io); +} + +/* led0 is red, led1 is yellow, led2-7 are green */ +static struct mpc8313_led mpc8313_leds[] = { + { + .cdev = { + .name = "mpc8313:led0", + .brightness_set = mpc8313leds_set, + }, + .bitmask = 128, + }, + { + .cdev = { + .name = "mpc8313:led1", + .brightness_set = mpc8313leds_set, + }, + .bitmask = 64, + }, + { + .cdev = { + .name = "mpc8313:led2", + .brightness_set = mpc8313leds_set, + }, + .bitmask = 32, + }, + { + .cdev = { + .name = "mpc8313:led3", + .brightness_set = mpc8313leds_set, + }, + .bitmask = 16, + }, + { + .cdev = { + .name = "mpc8313:led4", + .brightness_set = mpc8313leds_set, + }, + .bitmask = 8, + }, + { + .cdev = { + .name = "mpc8313:led5", + .brightness_set = mpc8313leds_set, + }, + .bitmask = 4, + }, + { + .cdev = { + .name = "mpc8313:led6", + .brightness_set = mpc8313leds_set, + }, + .bitmask = 2, + }, + { + .cdev = { + .name = "mpc8313:led7", + .brightness_set = mpc8313leds_set, + }, + .bitmask = 1, + }, +}; + +static int mpc8313leds_probe(struct platform_device *pdev) +{ + int i; + int ret; + + for (i = ret = 0; ret >= 0 && i < ARRAY_SIZE(mpc8313_leds); i++) { + ret = led_classdev_register(&pdev->dev, + &mpc8313_leds[i].cdev); + } + + if (ret < 0 && i > 1) { + for (i = i - 2; i >= 0; i--) + led_classdev_unregister(&mpc8313_leds[i].cdev); + } + + return ret; +} + +static int mpc8313leds_remove(struct platform_device *pdev) +{ + int i; + + for (i = ARRAY_SIZE(mpc8313_leds) - 1; i >= 0; i--) + led_classdev_unregister(&mpc8313_leds[i].cdev); + + return 0; +} + +static struct platform_driver mpc8313leds_driver = { + .driver = { + .name = "mpc8313-leds", + .owner = THIS_MODULE, + }, + .probe = mpc8313leds_probe, + .remove = mpc8313leds_remove, +}; + +static int __init mpc8313leds_init(void) +{ + if (!(led_mem = request_mem_region(LEDS_BASE, LEDS_SIZE, "mpc8313-leds"))) + return -ENOMEM; + if (!(led_io = ioremap(LEDS_BASE, LEDS_SIZE))) + { + release_mem_region(LEDS_BASE, LEDS_SIZE); + led_mem = NULL; + return -ENOMEM; + } + iowrite8(led_state, led_io); + + leds_pdev = platform_device_register_simple("mpc8313-leds", -1, NULL, 0); + + return platform_driver_register(&mpc8313leds_driver); +} + +static void __exit mpc8313leds_exit(void) +{ + if (led_mem) release_mem_region(LEDS_BASE, LEDS_SIZE); + led_mem = NULL; + platform_driver_unregister(&mpc8313leds_driver); + + platform_device_unregister(leds_pdev); +} + +module_init(mpc8313leds_init); +module_exit(mpc8313leds_exit); + +MODULE_AUTHOR("Jeremy Laine "); +MODULE_DESCRIPTION("MPC8313E-RDB LED driver"); +MODULE_LICENSE("GPL"); Index: linux-2.6.24.3/drivers/leds/Makefile =================================================================== --- linux-2.6.24.3.orig/drivers/leds/Makefile 2008-02-26 01:20:20.000000000 +0100 +++ linux-2.6.24.3/drivers/leds/Makefile 2008-02-29 00:43:28.000000000 +0100 @@ -19,6 +19,7 @@ obj-$(CONFIG_LEDS_COBALT_RAQ) += leds-cobalt-raq.o obj-$(CONFIG_LEDS_GPIO) += leds-gpio.o obj-$(CONFIG_LEDS_CM_X270) += leds-cm-x270.o +obj-$(CONFIG_LEDS_MPC8313E_RDB) += leds-mpc8313e-rdb.o # LED Triggers obj-$(CONFIG_LEDS_TRIGGER_TIMER) += ledtrig-timer.o