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diff -urN linux-2.6.23.orig/drivers/leds/Kconfig linux-2.6.23/drivers/leds/Kconfig
--- linux-2.6.23.orig/drivers/leds/Kconfig 2007-10-09 22:31:38.000000000 +0200
+++ linux-2.6.23/drivers/leds/Kconfig 2007-12-14 15:32:37.000000000 +0100
@@ -101,6 +101,12 @@
outputs. To be useful the particular board must have LEDs
and they must be connected to the GPIO lines.
+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
diff -urN linux-2.6.23.orig/drivers/leds/leds-mpc8313e-rdb.c linux-2.6.23/drivers/leds/leds-mpc8313e-rdb.c
--- linux-2.6.23.orig/drivers/leds/leds-mpc8313e-rdb.c 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.23/drivers/leds/leds-mpc8313e-rdb.c 2007-12-14 15:32:55.000000000 +0100
@@ -0,0 +1,171 @@
+/*
+ * drivers/leds/leds-mpc8313e-rdb.c
+ * Copyright (C) 2007 Jeremy Laine <jeremy.laine@bolloretelecom.eu>
+ * Copyright (C) 2007 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>
+
+#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);
+}
+
+static struct mpc8313_led mpc8313_leds[] = {
+ {
+ .cdev = {
+ .name = "mpc8313:led0",
+ .brightness_set = mpc8313leds_set,
+ },
+ .bitmask = 1,
+ },
+ {
+ .cdev = {
+ .name = "mpc8313:led1",
+ .brightness_set = mpc8313leds_set,
+ },
+ .bitmask = 2,
+ },
+ {
+ .cdev = {
+ .name = "mpc8313:led2",
+ .brightness_set = mpc8313leds_set,
+ },
+ .bitmask = 4,
+ },
+ {
+ .cdev = {
+ .name = "mpc8313:led3",
+ .brightness_set = mpc8313leds_set,
+ },
+ .bitmask = 8,
+ },
+ {
+ .cdev = {
+ .name = "mpc8313:led4",
+ .brightness_set = mpc8313leds_set,
+ },
+ .bitmask = 16,
+ },
+ {
+ .cdev = {
+ .name = "mpc8313:led5",
+ .brightness_set = mpc8313leds_set,
+ },
+ .bitmask = 32,
+ },
+ {
+ .cdev = {
+ .name = "mpc8313:led6",
+ .brightness_set = mpc8313leds_set,
+ },
+ .bitmask = 64,
+ },
+ {
+ .cdev = {
+ .name = "mpc8313:led7",
+ .brightness_set = mpc8313leds_set,
+ },
+ .bitmask = 128,
+ },
+};
+
+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");
diff -urN linux-2.6.23.orig/drivers/leds/Makefile linux-2.6.23/drivers/leds/Makefile
--- linux-2.6.23.orig/drivers/leds/Makefile 2007-10-09 22:31:38.000000000 +0200
+++ linux-2.6.23/drivers/leds/Makefile 2007-12-14 15:32:37.000000000 +0100
@@ -17,6 +17,7 @@
obj-$(CONFIG_LEDS_H1940) += leds-h1940.o
obj-$(CONFIG_LEDS_COBALT) += leds-cobalt.o
obj-$(CONFIG_LEDS_GPIO) += leds-gpio.o
+obj-$(CONFIG_LEDS_MPC8313E_RDB) += leds-mpc8313e-rdb.o
# LED Triggers
obj-$(CONFIG_LEDS_TRIGGER_TIMER) += ledtrig-timer.o
|
