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@@ -0,0 +1,449 @@
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+diff -ruN trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/drivers/leds/Kconfig linux-2.6.24.5/drivers/leds/Kconfig
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+--- trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/drivers/leds/Kconfig 2008-04-29 11:29:49.000000000 -0700
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++++ linux-2.6.24.5/drivers/leds/Kconfig 2008-04-29 17:18:47.000000000 -0700
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+@@ -120,6 +120,12 @@
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+ outputs. To be useful the particular board must have LEDs
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+ and they must be connected to the GPIO lines.
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+
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++config LEDS_LATCH
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++ tristate "LED Support for Memory Latched LEDs"
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++ depends on LEDS_CLASS
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++ help
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++ -- To Do --
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++
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+ config LEDS_CM_X270
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+ tristate "LED Support for the CM-X270 LEDs"
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+ depends on LEDS_CLASS && MACH_ARMCORE
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+diff -ruN trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/drivers/leds/leds-latch.c linux-2.6.24.5/drivers/leds/leds-latch.c
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+--- trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/drivers/leds/leds-latch.c 1969-12-31 16:00:00.000000000 -0800
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++++ linux-2.6.24.5/drivers/leds/leds-latch.c 2008-04-30 14:03:21.000000000 -0700
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+@@ -0,0 +1,141 @@
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++/*
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++ * LEDs driver for Memory Latched Devices
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++ *
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++ * Copyright (C) 2008 Gateworks Corp.
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++ * Chris Lang <[email protected]>
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++ *
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++ * This program is free software; you can redistribute it and/or modify
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++ * it under the terms of the GNU General Public License version 2 as
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++ * published by the Free Software Foundation.
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++ *
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++ */
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++#include <linux/kernel.h>
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++#include <linux/init.h>
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++#include <linux/platform_device.h>
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++#include <linux/leds.h>
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++#include <linux/workqueue.h>
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++#include <asm/io.h>
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++#include <linux/spinlock.h>
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++
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++static unsigned int mem_keep = 0xFF;
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++static spinlock_t mem_lock;
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++static unsigned char *iobase;
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++
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++struct latch_led_data {
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++ struct led_classdev cdev;
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++ struct work_struct work;
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++ u8 new_level;
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++ u8 bit;
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++};
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++
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++static void latch_led_set(struct led_classdev *led_cdev,
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++ enum led_brightness value)
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++{
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++ struct latch_led_data *led_dat =
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++ container_of(led_cdev, struct latch_led_data, cdev);
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++
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++ spin_lock(mem_lock);
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++
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++ if (value == LED_OFF)
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++ mem_keep |= (0x1 << led_dat->bit);
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++ else
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++ mem_keep &= ~(0x1 << led_dat->bit);
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++
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++ writeb(mem_keep, iobase);
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++
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++ spin_unlock(mem_lock);
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++}
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++
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++static int latch_led_probe(struct platform_device *pdev)
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++{
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++ struct latch_led_platform_data *pdata = pdev->dev.platform_data;
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++ struct latch_led *cur_led;
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++ struct latch_led_data *leds_data, *led_dat;
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++ int i, ret = 0;
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++
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++ if (!pdata)
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++ return -EBUSY;
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++
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++ leds_data = kzalloc(sizeof(struct latch_led_data) * pdata->num_leds,
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|
|
++ GFP_KERNEL);
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|
++ if (!leds_data)
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++ return -ENOMEM;
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++
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|
|
++ iobase = ioremap_nocache(pdata->mem, 0x1000);
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|
|
++ writeb(0xFF, iobase);
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++
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|
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++ for (i = 0; i < pdata->num_leds; i++) {
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|
++ cur_led = &pdata->leds[i];
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|
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++ led_dat = &leds_data[i];
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|
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++
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++ led_dat->cdev.name = cur_led->name;
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|
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++ led_dat->cdev.default_trigger = cur_led->default_trigger;
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|
|
++ led_dat->cdev.brightness_set = latch_led_set;
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++ led_dat->cdev.brightness = LED_OFF;
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|
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++ led_dat->bit = cur_led->bit;
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++
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++ ret = led_classdev_register(&pdev->dev, &led_dat->cdev);
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|
|
++ if (ret < 0) {
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|
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++ goto err;
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|
|
++ }
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|
|
++ }
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++
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|
|
++ platform_set_drvdata(pdev, leds_data);
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++
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|
|
++ return 0;
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++
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|
++err:
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|
|
++ if (i > 0) {
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|
|
++ for (i = i - 1; i >= 0; i--) {
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|
|
++ led_classdev_unregister(&leds_data[i].cdev);
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|
|
++ }
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|
|
++ }
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|
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++
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|
|
++ kfree(leds_data);
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|
|
++
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|
|
++ return ret;
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|
|
++}
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|
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++
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|
|
++static int __devexit latch_led_remove(struct platform_device *pdev)
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|
|
++{
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|
|
++ int i;
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|
|
++ struct latch_led_platform_data *pdata = pdev->dev.platform_data;
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|
|
++ struct latch_led_data *leds_data;
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|
|
++
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|
|
++ leds_data = platform_get_drvdata(pdev);
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|
|
++
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|
|
++ for (i = 0; i < pdata->num_leds; i++) {
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|
|
++ led_classdev_unregister(&leds_data[i].cdev);
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|
|
++ cancel_work_sync(&leds_data[i].work);
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|
|
++ }
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++
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|
|
++ kfree(leds_data);
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|
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++
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|
|
++ return 0;
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|
|
++}
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++
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|
|
++static struct platform_driver latch_led_driver = {
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|
|
++ .probe = latch_led_probe,
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|
|
++ .remove = __devexit_p(latch_led_remove),
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|
|
++ .driver = {
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|
|
++ .name = "leds-latch",
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|
|
++ .owner = THIS_MODULE,
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|
|
++ },
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|
|
++};
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++
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|
|
++static int __init latch_led_init(void)
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|
|
++{
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|
|
++ return platform_driver_register(&latch_led_driver);
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|
|
++}
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++
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|
|
++static void __exit latch_led_exit(void)
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|
|
++{
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|
|
++ platform_driver_unregister(&latch_led_driver);
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|
|
++}
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++
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|
|
++module_init(latch_led_init);
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|
|
++module_exit(latch_led_exit);
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++
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|
|
++MODULE_AUTHOR("Chris Lang <[email protected]>");
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|
|
++MODULE_DESCRIPTION("Latch LED driver");
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|
|
++MODULE_LICENSE("GPL");
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|
+diff -ruN trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/drivers/leds/Makefile linux-2.6.24.5/drivers/leds/Makefile
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|
|
+--- trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/drivers/leds/Makefile 2008-04-29 11:29:49.000000000 -0700
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|
++++ linux-2.6.24.5/drivers/leds/Makefile 2008-04-29 17:19:02.000000000 -0700
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+@@ -21,6 +21,7 @@
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|
|
+ obj-$(CONFIG_LEDS_GPIO) += leds-gpio.o
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|
|
+ obj-$(CONFIG_LEDS_CM_X270) += leds-cm-x270.o
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|
|
+ obj-$(CONFIG_LEDS_FSG) += leds-fsg.o
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|
|
++obj-$(CONFIG_LEDS_LATCH) += leds-latch.o
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+
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|
|
+ # LED Triggers
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|
+ obj-$(CONFIG_LEDS_TRIGGER_TIMER) += ledtrig-timer.o
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|
+diff -ruN trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/arch/arm/mach-ixp4xx/avila-setup.c linux-2.6.24.5/arch/arm/mach-ixp4xx/avila-setup.c
|
|
|
+--- trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/arch/arm/mach-ixp4xx/avila-setup.c 2008-04-29 11:29:50.000000000 -0700
|
|
|
++++ linux-2.6.24.5/arch/arm/mach-ixp4xx/avila-setup.c 2008-04-30 15:43:40.000000000 -0700
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|
+@@ -173,7 +173,7 @@
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|
+ .dev.platform_data = &avila_npec_data,
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|
|
+ };
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|
+
|
|
|
+-static struct gpio_led avila_leds[] = {
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|
|
++static struct gpio_led avila_gpio_leds[] = {
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|
|
+ {
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|
|
+ .name = "user", /* green led */
|
|
|
+ .gpio = AVILA_GW23XX_LED_USER_GPIO,
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|
+@@ -181,17 +181,65 @@
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|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+-static struct gpio_led_platform_data avila_leds_data = {
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|
|
++static struct gpio_led_platform_data avila_gpio_leds_data = {
|
|
|
+ .num_leds = 1,
|
|
|
+- .leds = avila_leds,
|
|
|
++ .leds = avila_gpio_leds,
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|
|
+ };
|
|
|
+
|
|
|
+-static struct platform_device avila_leds_device = {
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|
|
++static struct platform_device avila_gpio_leds_device = {
|
|
|
+ .name = "leds-gpio",
|
|
|
+ .id = -1,
|
|
|
+- .dev.platform_data = &avila_leds_data,
|
|
|
++ .dev.platform_data = &avila_gpio_leds_data,
|
|
|
+ };
|
|
|
+
|
|
|
++static struct latch_led avila_latch_leds[] = {
|
|
|
++ {
|
|
|
++ .name = "led0", /* green led */
|
|
|
++ .bit = 0,
|
|
|
++ },
|
|
|
++ {
|
|
|
++ .name = "led1", /* green led */
|
|
|
++ .bit = 1,
|
|
|
++ },
|
|
|
++ {
|
|
|
++ .name = "led2", /* green led */
|
|
|
++ .bit = 2,
|
|
|
++ },
|
|
|
++ {
|
|
|
++ .name = "led3", /* green led */
|
|
|
++ .bit = 3,
|
|
|
++ },
|
|
|
++ {
|
|
|
++ .name = "led4", /* green led */
|
|
|
++ .bit = 4,
|
|
|
++ },
|
|
|
++ {
|
|
|
++ .name = "led5", /* green led */
|
|
|
++ .bit = 5,
|
|
|
++ },
|
|
|
++ {
|
|
|
++ .name = "led6", /* green led */
|
|
|
++ .bit = 6,
|
|
|
++ },
|
|
|
++ {
|
|
|
++ .name = "led7", /* green led */
|
|
|
++ .bit = 7,
|
|
|
++ }
|
|
|
++};
|
|
|
++
|
|
|
++static struct latch_led_platform_data avila_latch_leds_data = {
|
|
|
++ .num_leds = 8,
|
|
|
++ .leds = avila_latch_leds,
|
|
|
++ .mem = 0x51000000,
|
|
|
++};
|
|
|
++
|
|
|
++static struct platform_device avila_latch_leds_device = {
|
|
|
++ .name = "leds-latch",
|
|
|
++ .id = -1,
|
|
|
++ .dev.platform_data = &avila_latch_leds_data,
|
|
|
++};
|
|
|
++
|
|
|
++
|
|
|
+ static struct resource avila_gpio_resources[] = {
|
|
|
+ {
|
|
|
+ .name = "gpio",
|
|
|
+@@ -221,7 +269,7 @@
|
|
|
+ platform_device_register(&avila_npeb_device);
|
|
|
+ platform_device_register(&avila_npec_device);
|
|
|
+
|
|
|
+- platform_device_register(&avila_leds_device);
|
|
|
++ platform_device_register(&avila_gpio_leds_device);
|
|
|
+ }
|
|
|
+
|
|
|
+ #ifdef CONFIG_SENSORS_EEPROM
|
|
|
+@@ -230,7 +278,7 @@
|
|
|
+ platform_device_register(&avila_npeb_device);
|
|
|
+ platform_device_register(&avila_npec_device);
|
|
|
+
|
|
|
+- platform_device_register(&avila_leds_device);
|
|
|
++ platform_device_register(&avila_gpio_leds_device);
|
|
|
+ }
|
|
|
+
|
|
|
+ static void __init avila_gw2345_setup(void)
|
|
|
+@@ -242,7 +290,7 @@
|
|
|
+ avila_npec_data.phy = 5; /* port 5 of the KS8995 switch */
|
|
|
+ platform_device_register(&avila_npec_device);
|
|
|
+
|
|
|
+- platform_device_register(&avila_leds_device);
|
|
|
++ platform_device_register(&avila_gpio_leds_device);
|
|
|
+ }
|
|
|
+
|
|
|
+ static void __init avila_gw2347_setup(void)
|
|
|
+@@ -250,8 +298,8 @@
|
|
|
+ avila_npeb_data.quirks |= IXP4XX_ETH_QUIRK_GW23X7;
|
|
|
+ platform_device_register(&avila_npeb_device);
|
|
|
+
|
|
|
+- avila_leds[0].gpio = AVILA_GW23X7_LED_USER_GPIO;
|
|
|
+- platform_device_register(&avila_leds_device);
|
|
|
++ avila_gpio_leds[0].gpio = AVILA_GW23X7_LED_USER_GPIO;
|
|
|
++ platform_device_register(&avila_gpio_leds_device);
|
|
|
+ }
|
|
|
+
|
|
|
+ static void __init avila_gw2348_setup(void)
|
|
|
+@@ -259,13 +307,13 @@
|
|
|
+ platform_device_register(&avila_npeb_device);
|
|
|
+ platform_device_register(&avila_npec_device);
|
|
|
+
|
|
|
+- platform_device_register(&avila_leds_device);
|
|
|
++ platform_device_register(&avila_gpio_leds_device);
|
|
|
+ }
|
|
|
+
|
|
|
+ static void __init avila_gw2353_setup(void)
|
|
|
+ {
|
|
|
+ platform_device_register(&avila_npeb_device);
|
|
|
+- platform_device_register(&avila_leds_device);
|
|
|
++ platform_device_register(&avila_gpio_leds_device);
|
|
|
+ }
|
|
|
+
|
|
|
+ static void __init avila_gw2355_setup(void)
|
|
|
+@@ -277,7 +325,17 @@
|
|
|
+ avila_npec_data.phy = 16;
|
|
|
+ platform_device_register(&avila_npec_device);
|
|
|
+
|
|
|
+- platform_device_register(&avila_leds_device);
|
|
|
++ platform_device_register(&avila_gpio_leds_device);
|
|
|
++
|
|
|
++ *IXP4XX_EXP_CS4 |= 0xbfff3c03;
|
|
|
++ avila_latch_leds[0].name = "RXD";
|
|
|
++ avila_latch_leds[1].name = "TXD";
|
|
|
++ avila_latch_leds[2].name = "POL";
|
|
|
++ avila_latch_leds[3].name = "LNK";
|
|
|
++ avila_latch_leds[4].name = "ERR";
|
|
|
++ avila_latch_leds_data.num_leds = 5;
|
|
|
++ avila_latch_leds_data.mem = 0x54000000;
|
|
|
++ platform_device_register(&avila_latch_leds_device);
|
|
|
+ }
|
|
|
+
|
|
|
+ static void __init avila_gw2357_setup(void)
|
|
|
+@@ -285,8 +343,11 @@
|
|
|
+ avila_npeb_data.quirks |= IXP4XX_ETH_QUIRK_GW23X7;
|
|
|
+ platform_device_register(&avila_npeb_device);
|
|
|
+
|
|
|
+- avila_leds[0].gpio = AVILA_GW23X7_LED_USER_GPIO;
|
|
|
+- platform_device_register(&avila_leds_device);
|
|
|
++ avila_gpio_leds[0].gpio = AVILA_GW23X7_LED_USER_GPIO;
|
|
|
++ platform_device_register(&avila_gpio_leds_device);
|
|
|
++
|
|
|
++ *IXP4XX_EXP_CS1 |= 0xbfff3c03;
|
|
|
++ platform_device_register(&avila_latch_leds_device);
|
|
|
+ }
|
|
|
+
|
|
|
+ static struct avila_board_info avila_boards[] __initdata = {
|
|
|
+diff -ruN trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/arch/arm/mach-ixp4xx/cambria-setup.c linux-2.6.24.5/arch/arm/mach-ixp4xx/cambria-setup.c
|
|
|
+--- trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/arch/arm/mach-ixp4xx/cambria-setup.c 2008-04-29 11:29:49.000000000 -0700
|
|
|
++++ linux-2.6.24.5/arch/arm/mach-ixp4xx/cambria-setup.c 2008-04-30 14:43:57.000000000 -0700
|
|
|
+@@ -25,6 +25,8 @@
|
|
|
+ # include <linux/i2c.h>
|
|
|
+ # include <linux/eeprom.h>
|
|
|
+ #endif
|
|
|
++
|
|
|
++#include <linux/leds.h>
|
|
|
+
|
|
|
+ #include <linux/i2c-gpio.h>
|
|
|
+ #include <asm/types.h>
|
|
|
+@@ -149,19 +151,52 @@
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+-#ifdef CONFIG_LEDS_IXP4XX
|
|
|
+-static struct platform_device cambria_leds_pld = {
|
|
|
+- .name = "IXP4XX-PLD-LED",
|
|
|
+- .id = -1,
|
|
|
+- .num_resources = 0,
|
|
|
+-};
|
|
|
+-
|
|
|
+-static struct platform_device cambria_leds_mem = {
|
|
|
+- .name = "IXP4XX-MEM-LED",
|
|
|
+- .id = -1,
|
|
|
+- .num_resources = 0,
|
|
|
++static struct latch_led cambria_leds[] = {
|
|
|
++ {
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++ .name = "ledA", /* green led */
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++ .bit = 0,
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++ },
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++ {
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++ .name = "ledB", /* green led */
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++ .bit = 1,
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++ },
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++ {
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++ .name = "ledC", /* green led */
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++ .bit = 2,
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++ },
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++ {
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++ .name = "ledD", /* green led */
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++ .bit = 3,
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++ },
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++ {
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++ .name = "ledE", /* green led */
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++ .bit = 4,
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++ },
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++ {
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++ .name = "ledF", /* green led */
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++ .bit = 5,
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++ },
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++ {
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++ .name = "ledG", /* green led */
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++ .bit = 6,
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++ },
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++ {
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++ .name = "ledH", /* green led */
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++ .bit = 7,
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++ }
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++};
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++
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++static struct latch_led_platform_data cambria_leds_data = {
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++ .num_leds = 8,
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++ .leds = cambria_leds,
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++ .mem = 0x53F40000,
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++};
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++
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++static struct platform_device cambria_leds_device = {
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++ .name = "leds-latch",
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++ .id = -1,
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++ .dev.platform_data = &cambria_leds_data,
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+ };
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+-#endif
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+
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+ static struct platform_device *cambria_devices[] __initdata = {
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+ &cambria_i2c_gpio,
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+@@ -234,6 +269,9 @@
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+ cambria_pata_data.cs1_cfg = IXP4XX_EXP_CS3;
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+
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+ platform_device_register(&cambria_pata);
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|
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++
|
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++ *IXP4XX_EXP_CS3 |= 0xbfff3c03;
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|
|
++ platform_device_register(&cambria_leds_device);
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|
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+ }
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+
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+ #ifdef CONFIG_MACH_CAMBRIA
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|
|
+--- trunk/build_dir/linux-ixp4xx_generic/linux-2.6.24.5/include/linux/leds.h 2008-04-18 18:53:39.000000000 -0700
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|
|
++++ linux-2.6.24.5/include/linux/leds.h 2008-04-29 17:48:56.000000000 -0700
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|
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+@@ -123,5 +123,18 @@
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|
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+ struct gpio_led *leds;
|
|
|
+ };
|
|
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+
|
|
|
++/* For the leds-latch driver */
|
|
|
++struct latch_led {
|
|
|
++ const char *name;
|
|
|
++ char *default_trigger;
|
|
|
++ unsigned bit;
|
|
|
++};
|
|
|
++
|
|
|
++struct latch_led_platform_data {
|
|
|
++ int num_leds;
|
|
|
++ u32 mem;
|
|
|
++ struct latch_led *leds;
|
|
|
++};
|
|
|
++
|
|
|
+
|
|
|
+ #endif /* __LINUX_LEDS_H_INCLUDED */
|
Imre Kaloz