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 61