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authorHaojian Zhuang <haojian.zhuang@gmail.com>2012-04-19 17:46:53 +0800
committerHaojian Zhuang <haojian.zhuang@gmail.com>2012-05-05 16:37:57 +0800
commita56f9162dd2b160b7faff610116ddcfe33a59081 (patch)
treed403694c9ef87676595a531a818cc2052a88c28d /arch/arm/mach-mmp
parent7a4d5079baf205f39efa0d9a1b273812c15a93aa (diff)
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')
-rw-r--r--arch/arm/mach-mmp/Makefile1
-rw-r--r--arch/arm/mach-mmp/mmp2-dt.c60
2 files changed, 61 insertions, 0 deletions
diff --git a/arch/arm/mach-mmp/Makefile b/arch/arm/mach-mmp/Makefile
index 77f63c12e0b..b920b9bfbdb 100644
--- a/arch/arm/mach-mmp/Makefile
+++ b/arch/arm/mach-mmp/Makefile
@@ -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
diff --git a/arch/arm/mach-mmp/mmp2-dt.c b/arch/arm/mach-mmp/mmp2-dt.c
new file mode 100644
index 00000000000..535a5ed5977
--- /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