diff options
Diffstat (limited to 'arch/arm/mach-highbank/clock.c')
-rw-r--r-- | arch/arm/mach-highbank/clock.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/arch/arm/mach-highbank/clock.c b/arch/arm/mach-highbank/clock.c new file mode 100644 index 000000000000..c25a2ae4fde1 --- /dev/null +++ b/arch/arm/mach-highbank/clock.c | |||
@@ -0,0 +1,62 @@ | |||
1 | /* | ||
2 | * Copyright 2011 Calxeda, Inc. | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or modify it | ||
5 | * under the terms and conditions of the GNU General Public License, | ||
6 | * version 2, as published by the Free Software Foundation. | ||
7 | * | ||
8 | * This program is distributed in the hope it will be useful, but WITHOUT | ||
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
11 | * more details. | ||
12 | * | ||
13 | * You should have received a copy of the GNU General Public License along with | ||
14 | * this program. If not, see <http://www.gnu.org/licenses/>. | ||
15 | */ | ||
16 | #include <linux/module.h> | ||
17 | #include <linux/kernel.h> | ||
18 | #include <linux/errno.h> | ||
19 | #include <linux/clk.h> | ||
20 | #include <linux/clkdev.h> | ||
21 | |||
22 | struct clk { | ||
23 | unsigned long rate; | ||
24 | }; | ||
25 | |||
26 | int clk_enable(struct clk *clk) | ||
27 | { | ||
28 | return 0; | ||
29 | } | ||
30 | |||
31 | void clk_disable(struct clk *clk) | ||
32 | {} | ||
33 | |||
34 | unsigned long clk_get_rate(struct clk *clk) | ||
35 | { | ||
36 | return clk->rate; | ||
37 | } | ||
38 | |||
39 | long clk_round_rate(struct clk *clk, unsigned long rate) | ||
40 | { | ||
41 | return clk->rate; | ||
42 | } | ||
43 | |||
44 | int clk_set_rate(struct clk *clk, unsigned long rate) | ||
45 | { | ||
46 | return 0; | ||
47 | } | ||
48 | |||
49 | static struct clk eclk = { .rate = 200000000 }; | ||
50 | static struct clk pclk = { .rate = 150000000 }; | ||
51 | |||
52 | static struct clk_lookup lookups[] = { | ||
53 | { .clk = &pclk, .con_id = "apb_pclk", }, | ||
54 | { .clk = &pclk, .dev_id = "sp804", }, | ||
55 | { .clk = &eclk, .dev_id = "ffe0e000.sdhci", }, | ||
56 | { .clk = &pclk, .dev_id = "fff36000.serial", }, | ||
57 | }; | ||
58 | |||
59 | void __init highbank_clocks_init(void) | ||
60 | { | ||
61 | clkdev_add_table(lookups, ARRAY_SIZE(lookups)); | ||
62 | } | ||