mirror of https://gitee.com/openkylin/linux.git
76 lines
2.1 KiB
C
76 lines
2.1 KiB
C
|
/*
|
||
|
|
* linux/arch/arm/mach-mmp/mmp-dt.c
|
||
|
|
*
|
||
|
|
* Copyright (C) 2012 Marvell Technology Group Ltd.
|
||
|
|
* Author: Haojian Zhuang <haojian.zhuang@marvell.com>
|
||
|
|
*
|
||
|
|
* 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
|
||
|
|
* publishhed by the Free Software Foundation.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/irq.h>
|
||
|
|
#include <linux/irqdomain.h>
|
||
|
|
#include <linux/of_irq.h>
|
||
|
|
#include <linux/of_platform.h>
|
||
|
|
#include <asm/mach/arch.h>
|
||
|
|
#include <mach/irqs.h>
|
||
|
|
|
||
|
|
#include "common.h"
|
||
|
|
|
||
|
|
extern struct sys_timer pxa168_timer;
|
||
|
|
extern void __init icu_init_irq(void);
|
||
|
|
|
||
|
|
static const struct of_dev_auxdata mmp_auxdata_lookup[] __initconst = {
|
||
|
|
OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4017000, "pxa2xx-uart.0", NULL),
|
||
|
|
OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4018000, "pxa2xx-uart.1", NULL),
|
||
|
|
OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4026000, "pxa2xx-uart.2", NULL),
|
||
|
|
OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4011000, "pxa2xx-i2c.0", NULL),
|
||
|
|
OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4025000, "pxa2xx-i2c.1", NULL),
|
||
|
|
OF_DEV_AUXDATA("mrvl,mmp-gpio", 0xd4019000, "pxa-gpio", NULL),
|
||
|
|
OF_DEV_AUXDATA("mrvl,mmp-rtc", 0xd4010000, "sa1100-rtc", NULL),
|
||
|
|
{}
|
||
|
|
};
|
||
|
|
|
||
|
|
static int __init mmp_intc_add_irq_domain(struct device_node *np,
|
||
|
|
struct device_node *parent)
|
||
|
|
{
|
||
|
|
irq_domain_add_simple(np, 0);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int __init mmp_gpio_add_irq_domain(struct device_node *np,
|
||
|
|
struct device_node *parent)
|
||
|
|
{
|
||
|
|
irq_domain_add_simple(np, IRQ_GPIO_START);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct of_device_id mmp_irq_match[] __initconst = {
|
||
|
|
{ .compatible = "mrvl,mmp-intc", .data = mmp_intc_add_irq_domain, },
|
||
|
|
{ .compatible = "mrvl,mmp-gpio", .data = mmp_gpio_add_irq_domain, },
|
||
|
|
{}
|
||
|
|
};
|
||
|
|
|
||
|
|
static void __init mmp_dt_init(void)
|
||
|
|
{
|
||
|
|
|
||
|
|
of_irq_init(mmp_irq_match);
|
||
|
|
|
||
|
|
of_platform_populate(NULL, of_default_bus_match_table,
|
||
|
|
mmp_auxdata_lookup, NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
static const char *pxa168_dt_board_compat[] __initdata = {
|
||
|
|
"mrvl,pxa168-aspenite",
|
||
|
|
NULL,
|
||
|
|
};
|
||
|
|
|
||
|
|
DT_MACHINE_START(PXA168_DT, "Marvell PXA168 (Device Tree Support)")
|
||
|
|
.map_io = mmp_map_io,
|
||
|
|
.init_irq = icu_init_irq,
|
||
|
|
.timer = &pxa168_timer,
|
||
|
|
.init_machine = mmp_dt_init,
|
||
|
|
.dt_compat = pxa168_dt_board_compat,
|
||
|
|
MACHINE_END
|