Commit aa8e87ca authored by Haavard Skinnemoen's avatar Haavard Skinnemoen Committed by Haavard Skinnemoen

avr32: Add system device for the internal interrupt controller (intc)

This makes the intc show up in sysfs (probably not very useful), and
allows us to easily add suspend/resume support later.
Signed-off-by: default avatarHaavard Skinnemoen <hskinnemoen@atmel.com>
parent b83d6ee1
/* /*
* Copyright (C) 2006 Atmel Corporation * Copyright (C) 2006, 2008 Atmel Corporation
* *
* This program is free software; you can redistribute it and/or modify * This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as * it under the terms of the GNU General Public License version 2 as
...@@ -12,6 +12,7 @@ ...@@ -12,6 +12,7 @@
#include <linux/interrupt.h> #include <linux/interrupt.h>
#include <linux/irq.h> #include <linux/irq.h>
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <linux/sysdev.h>
#include <asm/io.h> #include <asm/io.h>
...@@ -20,6 +21,7 @@ ...@@ -20,6 +21,7 @@
struct intc { struct intc {
void __iomem *regs; void __iomem *regs;
struct irq_chip chip; struct irq_chip chip;
struct sys_device sysdev;
}; };
extern struct platform_device at32_intc0_device; extern struct platform_device at32_intc0_device;
...@@ -136,6 +138,26 @@ void __init init_IRQ(void) ...@@ -136,6 +138,26 @@ void __init init_IRQ(void)
panic("Interrupt controller initialization failed!\n"); panic("Interrupt controller initialization failed!\n");
} }
static struct sysdev_class intc_class = {
.name = "intc",
};
static int __init intc_init_sysdev(void)
{
int ret;
ret = sysdev_class_register(&intc_class);
if (ret)
return ret;
intc0.sysdev.id = 0;
intc0.sysdev.cls = &intc_class;
ret = sysdev_register(&intc0.sysdev);
return ret;
}
device_initcall(intc_init_sysdev);
unsigned long intc_get_pending(unsigned int group) unsigned long intc_get_pending(unsigned int group)
{ {
return intc_readl(&intc0, INTREQ0 + 4 * group); return intc_readl(&intc0, INTREQ0 + 4 * group);
......
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