Commit a56f9162dd2b160b7faff610116ddcfe33a59081
1 parent
7a4d5079ba
Exists in
smarc-l5.0.0_1.0.0-ga
and in
5 other branches
ARM: mmp: support mmp2 with device tree
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
Showing 2 changed files with 61 additions and 0 deletions Side-by-side Diff
arch/arm/mach-mmp/Makefile
| ... | ... | @@ -19,6 +19,7 @@ |
| 19 | 19 | obj-$(CONFIG_MACH_FLINT) += flint.o |
| 20 | 20 | obj-$(CONFIG_MACH_MARVELL_JASPER) += jasper.o |
| 21 | 21 | obj-$(CONFIG_MACH_MMP_DT) += mmp-dt.o |
| 22 | +obj-$(CONFIG_MACH_MMP2_DT) += mmp2-dt.o | |
| 22 | 23 | obj-$(CONFIG_MACH_TETON_BGA) += teton_bga.o |
| 23 | 24 | obj-$(CONFIG_MACH_GPLUGD) += gplugd.o |
arch/arm/mach-mmp/mmp2-dt.c
| 1 | +/* | |
| 2 | + * linux/arch/arm/mach-mmp/mmp2-dt.c | |
| 3 | + * | |
| 4 | + * Copyright (C) 2012 Marvell Technology Group Ltd. | |
| 5 | + * Author: Haojian Zhuang <haojian.zhuang@marvell.com> | |
| 6 | + * | |
| 7 | + * This program is free software; you can redistribute it and/or modify | |
| 8 | + * it under the terms of the GNU General Public License version 2 as | |
| 9 | + * publishhed by the Free Software Foundation. | |
| 10 | + */ | |
| 11 | + | |
| 12 | +#include <linux/io.h> | |
| 13 | +#include <linux/irq.h> | |
| 14 | +#include <linux/irqdomain.h> | |
| 15 | +#include <linux/of_irq.h> | |
| 16 | +#include <linux/of_platform.h> | |
| 17 | +#include <asm/mach/arch.h> | |
| 18 | +#include <asm/mach/time.h> | |
| 19 | +#include <mach/irqs.h> | |
| 20 | +#include <mach/regs-apbc.h> | |
| 21 | + | |
| 22 | +#include "common.h" | |
| 23 | + | |
| 24 | +extern void __init mmp_dt_irq_init(void); | |
| 25 | +extern void __init mmp_dt_init_timer(void); | |
| 26 | + | |
| 27 | +static struct sys_timer mmp_dt_timer = { | |
| 28 | + .init = mmp_dt_init_timer, | |
| 29 | +}; | |
| 30 | + | |
| 31 | +static const struct of_dev_auxdata mmp2_auxdata_lookup[] __initconst = { | |
| 32 | + OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4030000, "pxa2xx-uart.0", NULL), | |
| 33 | + OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4017000, "pxa2xx-uart.1", NULL), | |
| 34 | + OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4018000, "pxa2xx-uart.2", NULL), | |
| 35 | + OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4016000, "pxa2xx-uart.3", NULL), | |
| 36 | + OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4011000, "pxa2xx-i2c.0", NULL), | |
| 37 | + OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4025000, "pxa2xx-i2c.1", NULL), | |
| 38 | + OF_DEV_AUXDATA("mrvl,mmp-gpio", 0xd4019000, "pxa-gpio", NULL), | |
| 39 | + OF_DEV_AUXDATA("mrvl,mmp-rtc", 0xd4010000, "sa1100-rtc", NULL), | |
| 40 | + {} | |
| 41 | +}; | |
| 42 | + | |
| 43 | +static void __init mmp2_dt_init(void) | |
| 44 | +{ | |
| 45 | + of_platform_populate(NULL, of_default_bus_match_table, | |
| 46 | + mmp2_auxdata_lookup, NULL); | |
| 47 | +} | |
| 48 | + | |
| 49 | +static const char *mmp2_dt_board_compat[] __initdata = { | |
| 50 | + "mrvl,mmp2-brownstone", | |
| 51 | + NULL, | |
| 52 | +}; | |
| 53 | + | |
| 54 | +DT_MACHINE_START(MMP2_DT, "Marvell MMP2 (Device Tree Support)") | |
| 55 | + .map_io = mmp_map_io, | |
| 56 | + .init_irq = mmp_dt_irq_init, | |
| 57 | + .timer = &mmp_dt_timer, | |
| 58 | + .init_machine = mmp2_dt_init, | |
| 59 | + .dt_compat = mmp2_dt_board_compat, | |
| 60 | +MACHINE_END |