diff options
Diffstat (limited to 'recipes/linux/linux-rt-2.6.24/mpc8313e-rdb/mpc8313e-rdb-leds.patch')
| -rw-r--r-- | recipes/linux/linux-rt-2.6.24/mpc8313e-rdb/mpc8313e-rdb-leds.patch | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/recipes/linux/linux-rt-2.6.24/mpc8313e-rdb/mpc8313e-rdb-leds.patch b/recipes/linux/linux-rt-2.6.24/mpc8313e-rdb/mpc8313e-rdb-leds.patch new file mode 100644 index 0000000000..157df51c04 --- /dev/null +++ b/recipes/linux/linux-rt-2.6.24/mpc8313e-rdb/mpc8313e-rdb-leds.patch @@ -0,0 +1,207 @@ +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 <jeremy.laine@bolloretelecom.eu> ++ * Copyright (C) 2007-2008 Leon Woestenberg <leon@sidebranch.com> ++ * ++ * 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 <linux/module.h> ++#include <linux/platform_device.h> ++#include <linux/ioport.h> ++#include <linux/leds.h> ++#include <linux/err.h> ++#include <asm/io.h> ++ ++/* 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 <jeremy.laine@bolloretelecom.eu>"); ++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 |