forked from luck/tmp_suning_uos_patched
220e6cf7b7
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>
63 lines
1.5 KiB
C
63 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));
|
|
}
|