diff options
Diffstat (limited to 'arch/arm/mach-shmobile/clock-sh7367.c')
-rw-r--r-- | arch/arm/mach-shmobile/clock-sh7367.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/clock-sh7367.c b/arch/arm/mach-shmobile/clock-sh7367.c new file mode 100644 index 000000000000..58bd54e1113a --- /dev/null +++ b/arch/arm/mach-shmobile/clock-sh7367.c | |||
@@ -0,0 +1,96 @@ | |||
1 | /* | ||
2 | * Preliminary clock framework support for sh7367 | ||
3 | * | ||
4 | * Copyright (C) 2010 Magnus Damm | ||
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 as published by | ||
8 | * the Free Software Foundation; version 2 of the License. | ||
9 | * | ||
10 | * This program is distributed in the hope that it will be useful, | ||
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
13 | * GNU General Public License for more details. | ||
14 | * | ||
15 | * You should have received a copy of the GNU General Public License | ||
16 | * along with this program; if not, write to the Free Software | ||
17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
18 | */ | ||
19 | #include <linux/init.h> | ||
20 | #include <linux/module.h> | ||
21 | #include <linux/kernel.h> | ||
22 | #include <linux/list.h> | ||
23 | #include <linux/clk.h> | ||
24 | |||
25 | struct clk { | ||
26 | const char *name; | ||
27 | unsigned long rate; | ||
28 | }; | ||
29 | |||
30 | #include <asm/clkdev.h> | ||
31 | |||
32 | int __clk_get(struct clk *clk) | ||
33 | { | ||
34 | return 1; | ||
35 | } | ||
36 | EXPORT_SYMBOL(__clk_get); | ||
37 | |||
38 | void __clk_put(struct clk *clk) | ||
39 | { | ||
40 | } | ||
41 | EXPORT_SYMBOL(__clk_put); | ||
42 | |||
43 | |||
44 | int clk_enable(struct clk *clk) | ||
45 | { | ||
46 | return 0; | ||
47 | } | ||
48 | EXPORT_SYMBOL(clk_enable); | ||
49 | |||
50 | void clk_disable(struct clk *clk) | ||
51 | { | ||
52 | } | ||
53 | EXPORT_SYMBOL(clk_disable); | ||
54 | |||
55 | unsigned long clk_get_rate(struct clk *clk) | ||
56 | { | ||
57 | return clk ? clk->rate : 0; | ||
58 | } | ||
59 | EXPORT_SYMBOL(clk_get_rate); | ||
60 | |||
61 | /* a static peripheral clock for now - enough to get sh-sci working */ | ||
62 | static struct clk peripheral_clk = { | ||
63 | .name = "peripheral_clk", | ||
64 | .rate = 48000000, | ||
65 | }; | ||
66 | |||
67 | /* a static rclk for now - enough to get sh_cmt working */ | ||
68 | static struct clk r_clk = { | ||
69 | .name = "r_clk", | ||
70 | .rate = 32768, | ||
71 | }; | ||
72 | |||
73 | /* a static usb0 for now - enough to get r8a66597 working */ | ||
74 | static struct clk usb0_clk = { | ||
75 | .name = "usb0", | ||
76 | }; | ||
77 | |||
78 | static struct clk_lookup lookups[] = { | ||
79 | { | ||
80 | .clk = &peripheral_clk, | ||
81 | }, { | ||
82 | .clk = &r_clk, | ||
83 | }, { | ||
84 | .clk = &usb0_clk, | ||
85 | } | ||
86 | }; | ||
87 | |||
88 | void __init sh7367_clock_init(void) | ||
89 | { | ||
90 | int i; | ||
91 | |||
92 | for (i = 0; i < ARRAY_SIZE(lookups); i++) { | ||
93 | lookups[i].con_id = lookups[i].clk->name; | ||
94 | clkdev_add(&lookups[i]); | ||
95 | } | ||
96 | } | ||