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ARM: mmp: support mmp2 with device tree 

Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Haojian Zhuang 2012-04-19 17:46:53 +08:00
parent 7a4d5079ba
commit a56f9162dd
2 changed files with 61 additions and 0 deletions
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1
arch/arm/mach-mmp/Makefile
View File

@ -19,5 +19,6 @@ obj-$(CONFIG_MACH_BROWNSTONE) += brownstone.o
obj-$(CONFIG_MACH_FLINT) += flint.o
obj-$(CONFIG_MACH_MARVELL_JASPER) += jasper.o
obj-$(CONFIG_MACH_MMP_DT) += mmp-dt.o
obj-$(CONFIG_MACH_MMP2_DT) += mmp2-dt.o
obj-$(CONFIG_MACH_TETON_BGA) += teton_bga.o
obj-$(CONFIG_MACH_GPLUGD) += gplugd.o

60
arch/arm/mach-mmp/mmp2-dt.c Normal file
View File

@ -0,0 +1,60 @@
/*
* linux/arch/arm/mach-mmp/mmp2-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/io.h>
#include <linux/irq.h>
#include <linux/irqdomain.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <mach/irqs.h>
#include <mach/regs-apbc.h>
#include "common.h"
extern void __init mmp_dt_irq_init(void);
extern void __init mmp_dt_init_timer(void);
static struct sys_timer mmp_dt_timer = {
.init = mmp_dt_init_timer,
};
static const struct of_dev_auxdata mmp2_auxdata_lookup[] __initconst = {
OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4030000, "pxa2xx-uart.0", NULL),
OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4017000, "pxa2xx-uart.1", NULL),
OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4018000, "pxa2xx-uart.2", NULL),
OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4016000, "pxa2xx-uart.3", 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 void __init mmp2_dt_init(void)
{
of_platform_populate(NULL, of_default_bus_match_table,
mmp2_auxdata_lookup, NULL);
}
static const char *mmp2_dt_board_compat[] __initdata = {
"mrvl,mmp2-brownstone",
NULL,
};
DT_MACHINE_START(MMP2_DT, "Marvell MMP2 (Device Tree Support)")
.map_io = mmp_map_io,
.init_irq = mmp_dt_irq_init,
.timer = &mmp_dt_timer,
.init_machine = mmp2_dt_init,
.dt_compat = mmp2_dt_board_compat,
MACHINE_END