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ARM: mach-clps711x: retire custom LED code of P720T machine 

Add tigger based LED driver into board file of P720T.
Remove old LED driver file.

Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
This commit is contained in:
Bryan Wu 2012-03-14 01:55:26 +08:00
parent 95f4965cf8
commit 8ee8ef2996
4 changed files with 61 additions and 66 deletions
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2
arch/arm/mach-clps711x/Makefile
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@ -16,5 +16,3 @@ obj-$(CONFIG_ARCH_CLEP7312) += clep7312.o
obj-$(CONFIG_ARCH_EDB7211) += edb7211-arch.o edb7211-mm.o
obj-$(CONFIG_ARCH_FORTUNET) += fortunet.o
obj-$(CONFIG_ARCH_P720T) += p720t.o
leds-$(CONFIG_ARCH_P720T) += p720t-leds.o
obj-$(CONFIG_LEDS) += $(leds-y)

1
arch/arm/mach-clps711x/common.c
View File

@ -31,7 +31,6 @@
#include <asm/sizes.h>
#include <mach/hardware.h>
#include <asm/irq.h>
#include <asm/leds.h>
#include <asm/pgtable.h>
#include <asm/page.h>
#include <asm/mach/map.h>

63
arch/arm/mach-clps711x/p720t-leds.c
View File

@ -1,63 +0,0 @@
/*
* linux/arch/arm/mach-clps711x/leds.c
*
* Integrator LED control routines
*
* Copyright (C) 2000 Deep Blue Solutions Ltd
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/io.h>
#include <mach/hardware.h>
#include <asm/leds.h>
#include <asm/mach-types.h>
static void p720t_leds_event(led_event_t ledevt)
{
unsigned long flags;
u32 pddr;
local_irq_save(flags);
switch(ledevt) {
case led_idle_start:
break;
case led_idle_end:
break;
case led_timer:
pddr = clps_readb(PDDR);
clps_writeb(pddr ^ 1, PDDR);
break;
default:
break;
}
local_irq_restore(flags);
}
static int __init leds_init(void)
{
if (machine_is_p720t())
leds_event = p720t_leds_event;
return 0;
}
arch_initcall(leds_init);

61
arch/arm/mach-clps711x/p720t.c
View File

@ -23,6 +23,8 @@
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/io.h>
#include <linux/slab.h>
#include <linux/leds.h>
#include <mach/hardware.h>
#include <asm/pgtable.h>
@ -34,6 +36,8 @@
#include <asm/mach/map.h>
#include <mach/syspld.h>
#include <asm/hardware/clps7111.h>
#include "common.h"
/*
@ -121,3 +125,60 @@ static int p720t_hw_init(void)
__initcall(p720t_hw_init);
/*
* LED controled by CPLD
*/
#if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS)
static void p720t_led_set(struct led_classdev *cdev,
enum led_brightness b)
{
u8 reg = clps_readb(PDDR);
if (b != LED_OFF)
reg |= 0x1;
else
reg &= ~0x1;
clps_writeb(reg, PDDR);
}
static enum led_brightness p720t_led_get(struct led_classdev *cdev)
{
u8 reg = clps_readb(PDDR);
return (reg & 0x1) ? LED_FULL : LED_OFF;
}
static int __init p720t_leds_init(void)
{
struct led_classdev *cdev;
int ret;
if (!machine_is_p720t())
return -ENODEV;
cdev = kzalloc(sizeof(*cdev), GFP_KERNEL);
if (!cdev)
return -ENOMEM;
cdev->name = "p720t:0";
cdev->brightness_set = p720t_led_set;
cdev->brightness_get = p720t_led_get;
cdev->default_trigger = "heartbeat";
ret = led_classdev_register(NULL, cdev);
if (ret < 0) {
kfree(cdev);
return ret;
}
return 0;
}
/*
* Since we may have triggers on any subsystem, defer registration
* until after subsystem_init.
*/
fs_initcall(p720t_leds_init);
#endif