tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
ARM: mmp: append OF support on pxa168
Enable PXA168 and aspenite support.
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
authored by
Haojian Zhuang
and committed by
Haojian Zhuang
5d489766
9613b210
+86
+10
arch/arm/mach-mmp/Kconfig
+10
arch/arm/mach-mmp/Kconfig
···
2
2
3
3
menu "Marvell PXA168/910/MMP2 Implmentations"
4
4
5
+
config MACH_MMP_DT
6
+
bool "Support MMP2 platforms from device tree"
7
+
select CPU_PXA168
8
+
select CPU_PXA910
9
+
select USE_OF
10
+
help
11
+
Include support for Marvell MMP2 based platforms using
12
+
the device tree. Needn't select any other machine while
13
+
MACH_MMP_DT is enabled.
14
+
5
15
config MACH_ASPENITE
6
16
bool "Marvell's PXA168 Aspenite Development Board"
7
17
select CPU_PXA168
+1
arch/arm/mach-mmp/Makefile
+1
arch/arm/mach-mmp/Makefile
+75
arch/arm/mach-mmp/mmp-dt.c
+75
arch/arm/mach-mmp/mmp-dt.c
···
1
+
/*
2
+
* linux/arch/arm/mach-mmp/mmp-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/irq.h>
13
+
#include <linux/irqdomain.h>
14
+
#include <linux/of_irq.h>
15
+
#include <linux/of_platform.h>
16
+
#include <asm/mach/arch.h>
17
+
#include <mach/irqs.h>
18
+
19
+
#include "common.h"
20
+
21
+
extern struct sys_timer pxa168_timer;
22
+
extern void __init icu_init_irq(void);
23
+
24
+
static const struct of_dev_auxdata mmp_auxdata_lookup[] __initconst = {
25
+
OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4017000, "pxa2xx-uart.0", NULL),
26
+
OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4018000, "pxa2xx-uart.1", NULL),
27
+
OF_DEV_AUXDATA("mrvl,mmp-uart", 0xd4026000, "pxa2xx-uart.2", NULL),
28
+
OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4011000, "pxa2xx-i2c.0", NULL),
29
+
OF_DEV_AUXDATA("mrvl,mmp-twsi", 0xd4025000, "pxa2xx-i2c.1", NULL),
30
+
OF_DEV_AUXDATA("mrvl,mmp-gpio", 0xd4019000, "pxa-gpio", NULL),
31
+
OF_DEV_AUXDATA("mrvl,mmp-rtc", 0xd4010000, "sa1100-rtc", NULL),
32
+
{}
33
+
};
34
+
35
+
static int __init mmp_intc_add_irq_domain(struct device_node *np,
36
+
struct device_node *parent)
37
+
{
38
+
irq_domain_add_simple(np, 0);
39
+
return 0;
40
+
}
41
+
42
+
static int __init mmp_gpio_add_irq_domain(struct device_node *np,
43
+
struct device_node *parent)
44
+
{
45
+
irq_domain_add_simple(np, IRQ_GPIO_START);
46
+
return 0;
47
+
}
48
+
49
+
static const struct of_device_id mmp_irq_match[] __initconst = {
50
+
{ .compatible = "mrvl,mmp-intc", .data = mmp_intc_add_irq_domain, },
51
+
{ .compatible = "mrvl,mmp-gpio", .data = mmp_gpio_add_irq_domain, },
52
+
{}
53
+
};
54
+
55
+
static void __init mmp_dt_init(void)
56
+
{
57
+
58
+
of_irq_init(mmp_irq_match);
59
+
60
+
of_platform_populate(NULL, of_default_bus_match_table,
61
+
mmp_auxdata_lookup, NULL);
62
+
}
63
+
64
+
static const char *pxa168_dt_board_compat[] __initdata = {
65
+
"mrvl,pxa168-aspenite",
66
+
NULL,
67
+
};
68
+
69
+
DT_MACHINE_START(PXA168_DT, "Marvell PXA168 (Device Tree Support)")
70
+
.map_io = mmp_map_io,
71
+
.init_irq = icu_init_irq,
72
+
.timer = &pxa168_timer,
73
+
.init_machine = mmp_dt_init,
74
+
.dt_compat = pxa168_dt_board_compat,
75
+
MACHINE_END