79 lines
1.8 KiB
C
Executable file
79 lines
1.8 KiB
C
Executable file
// SPDX-License-Identifier: GPL-2.0
|
|
#include <linux/clk.h>
|
|
#include <linux/compiler.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/io.h>
|
|
#include <linux/clkdev.h>
|
|
#include <asm/clock.h>
|
|
|
|
static struct clk master_clk = {
|
|
.flags = CLK_ENABLE_ON_INIT,
|
|
.rate = CONFIG_SH_PCLK_FREQ,
|
|
};
|
|
|
|
static struct clk peripheral_clk = {
|
|
.parent = &master_clk,
|
|
.flags = CLK_ENABLE_ON_INIT,
|
|
};
|
|
|
|
static struct clk bus_clk = {
|
|
.parent = &master_clk,
|
|
.flags = CLK_ENABLE_ON_INIT,
|
|
};
|
|
|
|
static struct clk cpu_clk = {
|
|
.parent = &master_clk,
|
|
.flags = CLK_ENABLE_ON_INIT,
|
|
};
|
|
|
|
/*
|
|
* The ordering of these clocks matters, do not change it.
|
|
*/
|
|
static struct clk *onchip_clocks[] = {
|
|
&master_clk,
|
|
&peripheral_clk,
|
|
&bus_clk,
|
|
&cpu_clk,
|
|
};
|
|
|
|
static struct clk_lookup lookups[] = {
|
|
/* main clocks */
|
|
CLKDEV_CON_ID("master_clk", &master_clk),
|
|
CLKDEV_CON_ID("peripheral_clk", &peripheral_clk),
|
|
CLKDEV_CON_ID("bus_clk", &bus_clk),
|
|
CLKDEV_CON_ID("cpu_clk", &cpu_clk),
|
|
};
|
|
|
|
int __init __deprecated cpg_clk_init(void)
|
|
{
|
|
int i, ret = 0;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(onchip_clocks); i++) {
|
|
struct clk *clk = onchip_clocks[i];
|
|
arch_init_clk_ops(&clk->ops, i);
|
|
if (clk->ops)
|
|
ret |= clk_register(clk);
|
|
}
|
|
|
|
clkdev_add_table(lookups, ARRAY_SIZE(lookups));
|
|
|
|
clk_add_alias("fck", "sh-tmu-sh3.0", "peripheral_clk", NULL);
|
|
clk_add_alias("fck", "sh-tmu.0", "peripheral_clk", NULL);
|
|
clk_add_alias("fck", "sh-tmu.1", "peripheral_clk", NULL);
|
|
clk_add_alias("fck", "sh-tmu.2", "peripheral_clk", NULL);
|
|
clk_add_alias("fck", "sh-mtu2", "peripheral_clk", NULL);
|
|
clk_add_alias("fck", "sh-cmt-16.0", "peripheral_clk", NULL);
|
|
clk_add_alias("fck", "sh-cmt-32.0", "peripheral_clk", NULL);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Placeholder for compatibility, until the lazy CPUs do this
|
|
* on their own.
|
|
*/
|
|
int __init __weak arch_clk_init(void)
|
|
{
|
|
return cpg_clk_init();
|
|
}
|