linux-stable/arch/arm/mach-highbank/clock.c
Rob Herring 220e6cf7b7 ARM: add Highbank core platform support
This adds basic support for the Calxeda Highbank platform.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Reviewed-by: Jamie Iles <jamie@jamieiles.com>
Reviewed-by: Shawn Guo <shawn.guo@linaro.org>
2011-10-31 14:14:00 +01:00

62 lines
1.5 KiB
C

/*
* Copyright 2011 Calxeda, Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/clk.h>
#include <linux/clkdev.h>
struct clk {
unsigned long rate;
};
int clk_enable(struct clk *clk)
{
return 0;
}
void clk_disable(struct clk *clk)
{}
unsigned long clk_get_rate(struct clk *clk)
{
return clk->rate;
}
long clk_round_rate(struct clk *clk, unsigned long rate)
{
return clk->rate;
}
int clk_set_rate(struct clk *clk, unsigned long rate)
{
return 0;
}
static struct clk eclk = { .rate = 200000000 };
static struct clk pclk = { .rate = 150000000 };
static struct clk_lookup lookups[] = {
{ .clk = &pclk, .con_id = "apb_pclk", },
{ .clk = &pclk, .dev_id = "sp804", },
{ .clk = &eclk, .dev_id = "ffe0e000.sdhci", },
{ .clk = &pclk, .dev_id = "fff36000.serial", },
};
void __init highbank_clocks_init(void)
{
clkdev_add_table(lookups, ARRAY_SIZE(lookups));
}