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authorLinus Torvalds <torvalds@linux-foundation.org>2011-11-02 00:08:03 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-11-02 00:08:03 -0400
commit994c0e992522c123298b4a91b72f5e67ba2d1123 (patch)
tree411952f844b8e1d5ef2854e44df793529078d3eb /arch/arm/mach-highbank/clock.c
parent367069f16e32e188d4687fe2c3e30f2ca583836f (diff)
parentabc3f126ac736280c68db6472eb0040ddf6e1b1f (diff)
Merge branch 'next/soc' of git://git.linaro.org/people/arnd/arm-soc
* 'next/soc' of git://git.linaro.org/people/arnd/arm-soc: (21 commits) MAINTAINERS: add ARM/FREESCALE IMX6 entry arm/imx: merge i.MX3 and i.MX6 arm/imx6q: add suspend/resume support arm/imx6q: add device tree machine support arm/imx6q: add smp and cpu hotplug support arm/imx6q: add core drivers clock, gpc, mmdc and src arm/imx: add gic_handle_irq function arm/imx6q: add core definitions and low-level debug uart arm/imx6q: add device tree source ARM: highbank: add suspend support ARM: highbank: Add cpu hotplug support ARM: highbank: add SMP support MAINTAINERS: add Calxeda Highbank ARM platform ARM: add Highbank core platform support ARM: highbank: add devicetree source ARM: l2x0: add empty l2x0_of_init picoxcell: add a definition of VMALLOC_END picoxcell: remove custom ioremap implementation picoxcell: add the DTS for the PC7302 board picoxcell: add the DTS for pc3x2 and pc3x3 devices ... Fix up trivial conflicts in arch/arm/Kconfig, and some more header file conflicts in arch/arm/mach-omap2/board-generic.c (as per an ealier merge by Arnd).
Diffstat (limited to 'arch/arm/mach-highbank/clock.c')
-rw-r--r--arch/arm/mach-highbank/clock.c62
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
22struct clk {
23 unsigned long rate;
24};
25
26int clk_enable(struct clk *clk)
27{
28 return 0;
29}
30
31void clk_disable(struct clk *clk)
32{}
33
34unsigned long clk_get_rate(struct clk *clk)
35{
36 return clk->rate;
37}
38
39long clk_round_rate(struct clk *clk, unsigned long rate)
40{
41 return clk->rate;
42}
43
44int clk_set_rate(struct clk *clk, unsigned long rate)
45{
46 return 0;
47}
48
49static struct clk eclk = { .rate = 200000000 };
50static struct clk pclk = { .rate = 150000000 };
51
52static 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
59void __init highbank_clocks_init(void)
60{
61 clkdev_add_table(lookups, ARRAY_SIZE(lookups));
62}