Merge remote-tracking branches 'asoc/fix/intel', 'asoc/fix/jz4740', 'asoc/fix/rcar...
[pandora-kernel.git] / arch / arm / mach-nspire / nspire.c
1 /*
2  *      linux/arch/arm/mach-nspire/nspire.c
3  *
4  *      Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2, as
8  * published by the Free Software Foundation.
9  *
10  */
11 #include <linux/init.h>
12 #include <linux/of_irq.h>
13 #include <linux/of_address.h>
14 #include <linux/of_platform.h>
15 #include <linux/irqchip.h>
16 #include <linux/irqchip/arm-vic.h>
17 #include <linux/clkdev.h>
18 #include <linux/amba/bus.h>
19 #include <linux/amba/clcd.h>
20
21 #include <asm/mach/arch.h>
22 #include <asm/mach-types.h>
23 #include <asm/mach/map.h>
24
25 #include <asm/hardware/timer-sp.h>
26
27 #include "mmio.h"
28 #include "clcd.h"
29
30 static const char *nspire_dt_match[] __initconst = {
31         "ti,nspire",
32         "ti,nspire-cx",
33         "ti,nspire-tp",
34         "ti,nspire-clp",
35         NULL,
36 };
37
38 static void __init nspire_map_io(void)
39 {
40         debug_ll_io_init();
41 }
42
43 static struct clcd_board nspire_clcd_data = {
44         .name           = "LCD",
45         .caps           = CLCD_CAP_5551 | CLCD_CAP_565,
46         .check          = clcdfb_check,
47         .decode         = clcdfb_decode,
48         .setup          = nspire_clcd_setup,
49         .mmap           = nspire_clcd_mmap,
50         .remove         = nspire_clcd_remove,
51 };
52
53
54 static struct of_dev_auxdata nspire_auxdata[] __initdata = {
55         OF_DEV_AUXDATA("arm,pl111", NSPIRE_LCD_PHYS_BASE,
56                         NULL, &nspire_clcd_data),
57         { }
58 };
59
60 static void __init nspire_init(void)
61 {
62         of_platform_populate(NULL, of_default_bus_match_table,
63                         nspire_auxdata, NULL);
64 }
65
66 static void nspire_restart(enum reboot_mode mode, const char *cmd)
67 {
68         void __iomem *base = ioremap(NSPIRE_MISC_PHYS_BASE, SZ_4K);
69         if (!base)
70                 return;
71
72         writel(2, base + NSPIRE_MISC_HWRESET);
73 }
74
75 DT_MACHINE_START(NSPIRE, "TI-NSPIRE")
76         .dt_compat      = nspire_dt_match,
77         .map_io         = nspire_map_io,
78         .init_machine   = nspire_init,
79         .restart        = nspire_restart,
80 MACHINE_END