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| author | Haojian Zhuang <haojian.zhuang@gmail.com> | 2012-04-19 17:46:53 +0800 |
|---|---|---|
| committer | Haojian Zhuang <haojian.zhuang@gmail.com> | 2012-05-05 16:37:57 +0800 |
| commit | a56f9162dd2b160b7faff610116ddcfe33a59081 (patch) | |
| tree | d403694c9ef87676595a531a818cc2052a88c28d /arch/arm/mach-mmp/mmp2-dt.c | |
| parent | 7a4d5079baf205f39efa0d9a1b273812c15a93aa (diff) | |
| download | linux-a56f9162dd2b160b7faff610116ddcfe33a59081.tar.bz2 | |
ARM: mmp: support mmp2 with device tree
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mach-mmp/mmp2-dt.c')
| -rw-r--r-- | arch/arm/mach-mmp/mmp2-dt.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/arch/arm/mach-mmp/mmp2-dt.c b/arch/arm/mach-mmp/mmp2-dt.c new file mode 100644 index 000000000000..535a5ed5977b --- /dev/null +++ b/arch/arm/mach-mmp/mmp2-dt.c @@ -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 |